From 73ef62598e773a44112f61d2a7c2c92ac0ee8efc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Tim=20D=C3=BCsterhus?= Date: Tue, 30 Jun 2020 09:28:54 +0200 Subject: [PATCH] Replace leafo/scssphp by scssphp/scssphp in composer.json see #3398 --- .../install/files/lib/system/api/bin/pscss | 2 +- .../files/lib/system/api/composer.json | 2 +- .../files/lib/system/api/composer.lock | 116 +- .../lib/system/api/composer/autoload_psr4.php | 2 +- .../system/api/composer/autoload_static.php | 13 +- .../lib/system/api/composer/installed.json | 118 +- .../system/api/leafo/scssphp/composer.json | 41 - .../api/leafo/scssphp/example/Server.php | 515 -- .../system/api/leafo/scssphp/src/Compiler.php | 5415 ------------ .../leafo/scssphp/src/Formatter/Nested.php | 201 - .../src/SourceMap/Base64VLQEncoder.php | 217 - .../api/{leafo => scssphp}/scssphp/LICENSE.md | 2 +- .../api/{leafo => scssphp}/scssphp/README.md | 9 +- .../api/{leafo => scssphp}/scssphp/bin/pscss | 44 +- .../system/api/scssphp/scssphp/composer.json | 51 + .../{leafo => scssphp}/scssphp/scss.inc.php | 7 +- .../scssphp/src/Base/Range.php | 6 +- .../{leafo => scssphp}/scssphp/src/Block.php | 11 +- .../system/api/scssphp/scssphp/src/Cache.php | 239 + .../{leafo => scssphp}/scssphp/src/Colors.php | 70 +- .../api/scssphp/scssphp/src/Compiler.php | 7844 +++++++++++++++++ .../scssphp/src/Compiler/Environment.php | 10 +- .../src/Exception/CompilerException.php | 6 +- .../scssphp/src/Exception/ParserException.php | 6 +- .../scssphp/src/Exception/RangeException.php | 6 +- .../scssphp/src/Exception/ServerException.php | 6 +- .../scssphp/src/Formatter.php | 121 +- .../scssphp/src/Formatter/Compact.php | 8 +- .../scssphp/src/Formatter/Compressed.php | 29 +- .../scssphp/src/Formatter/Crunched.php | 29 +- .../scssphp/src/Formatter/Debug.php | 10 +- .../scssphp/src/Formatter/Expanded.php | 12 +- .../scssphp/scssphp/src/Formatter/Nested.php | 229 + .../scssphp/src/Formatter/OutputBlock.php | 8 +- .../{leafo => scssphp}/scssphp/src/Node.php | 6 +- .../scssphp/src/Node/Number.php | 134 +- .../{leafo => scssphp}/scssphp/src/Parser.php | 1394 ++- .../scssphp/src/SourceMap/Base64.php | 6 +- .../scssphp/src/SourceMap/Base64VLQ.php | 27 +- .../src/SourceMap/SourceMapGenerator.php | 59 +- .../{leafo => scssphp}/scssphp/src/Type.php | 7 +- .../{leafo => scssphp}/scssphp/src/Util.php | 14 +- .../scssphp/src/Version.php | 8 +- 43 files changed, 10028 insertions(+), 7032 deletions(-) delete mode 100644 wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json delete mode 100644 wcfsetup/install/files/lib/system/api/leafo/scssphp/example/Server.php delete mode 100644 wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler.php delete mode 100644 wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Nested.php delete mode 100644 wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQEncoder.php rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/LICENSE.md (93%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/README.md (78%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/bin/pscss (74%) create mode 100644 wcfsetup/install/files/lib/system/api/scssphp/scssphp/composer.json rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/scss.inc.php (87%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Base/Range.php (85%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Block.php (80%) create mode 100644 wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Cache.php rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Colors.php (76%) create mode 100644 wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler.php rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Compiler/Environment.php (68%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Exception/CompilerException.php (65%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Exception/ParserException.php (64%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Exception/RangeException.php (64%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Exception/ServerException.php (64%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter.php (58%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter/Compact.php (81%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter/Compressed.php (64%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter/Crunched.php (61%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter/Debug.php (92%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter/Expanded.php (81%) create mode 100644 wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Nested.php rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Formatter/OutputBlock.php (80%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Node.php (79%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Node/Number.php (65%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Parser.php (61%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/SourceMap/Base64.php (96%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/SourceMap/Base64VLQ.php (78%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/SourceMap/SourceMapGenerator.php (85%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Type.php (92%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Util.php (83%) rename wcfsetup/install/files/lib/system/api/{leafo => scssphp}/scssphp/src/Version.php (56%) diff --git a/wcfsetup/install/files/lib/system/api/bin/pscss b/wcfsetup/install/files/lib/system/api/bin/pscss index 395e1c8bd7..d08fca2ff6 120000 --- a/wcfsetup/install/files/lib/system/api/bin/pscss +++ b/wcfsetup/install/files/lib/system/api/bin/pscss @@ -1 +1 @@ -../leafo/scssphp/bin/pscss \ No newline at end of file +../scssphp/scssphp/bin/pscss \ No newline at end of file diff --git a/wcfsetup/install/files/lib/system/api/composer.json b/wcfsetup/install/files/lib/system/api/composer.json index 8170b33960..bc3aa51322 100644 --- a/wcfsetup/install/files/lib/system/api/composer.json +++ b/wcfsetup/install/files/lib/system/api/composer.json @@ -14,6 +14,6 @@ "chrisjean/php-ico": "1.0.*", "true/punycode": "~2.0", "pear/net_idna2": "^0.2.0", - "leafo/scssphp": "^0.7.7" + "scssphp/scssphp": "^1.1" } } diff --git a/wcfsetup/install/files/lib/system/api/composer.lock b/wcfsetup/install/files/lib/system/api/composer.lock index d19278b887..a6129fe737 100644 --- a/wcfsetup/install/files/lib/system/api/composer.lock +++ b/wcfsetup/install/files/lib/system/api/composer.lock @@ -4,7 +4,7 @@ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", "This file is @generated automatically" ], - "content-hash": "0b588fa9bae7b0d713b4dadff7fbe829", + "content-hash": "0bd58cb566e528713f56929143b51bcb", "packages": [ { "name": "chrisjean/php-ico", @@ -142,59 +142,6 @@ ], "time": "2019-10-28T03:44:26+00:00" }, - { - "name": "leafo/scssphp", - "version": "v0.7.8", - "source": { - "type": "git", - "url": "https://github.com/leafo/scssphp.git", - "reference": "a384906af3d078e98b089d7d36f6ceab8703f7ff" - }, - "dist": { - "type": "zip", - "url": "https://api.github.com/repos/leafo/scssphp/zipball/a384906af3d078e98b089d7d36f6ceab8703f7ff", - "reference": "a384906af3d078e98b089d7d36f6ceab8703f7ff", - "shasum": "" - }, - "require": { - "php": ">=5.4.0" - }, - "require-dev": { - "phpunit/phpunit": "~4.6", - "squizlabs/php_codesniffer": "~2.5" - }, - "bin": [ - "bin/pscss" - ], - "type": "library", - "autoload": { - "psr-4": { - "Leafo\\ScssPhp\\": "src/" - } - }, - "notification-url": "https://packagist.org/downloads/", - "license": [ - "MIT" - ], - "authors": [ - { - "name": "Leaf Corcoran", - "email": "leafot@gmail.com", - "homepage": "http://leafo.net" - } - ], - "description": "scssphp is a compiler for SCSS written in PHP.", - "homepage": "http://leafo.github.io/scssphp/", - "keywords": [ - "css", - "less", - "sass", - "scss", - "stylesheet" - ], - "abandoned": "scssphp/scssphp", - "time": "2019-04-24T18:10:10+00:00" - }, { "name": "pear/net_idna2", "version": "v0.2.0", @@ -372,6 +319,67 @@ ], "time": "2018-12-10T10:36:30+00:00" }, + { + "name": "scssphp/scssphp", + "version": "1.1.1", + "source": { + "type": "git", + "url": "https://github.com/scssphp/scssphp.git", + "reference": "824e4cec10b2bfa88eec5dac23991cb9106622c1" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/scssphp/scssphp/zipball/824e4cec10b2bfa88eec5dac23991cb9106622c1", + "reference": "824e4cec10b2bfa88eec5dac23991cb9106622c1", + "shasum": "" + }, + "require": { + "ext-ctype": "*", + "ext-json": "*", + "php": ">=5.6.0" + }, + "require-dev": { + "phpunit/phpunit": "^5.7 || ^6.5 || ^7.5 || ^8.3", + "squizlabs/php_codesniffer": "~3.5", + "twbs/bootstrap": "~4.3", + "zurb/foundation": "~6.5" + }, + "bin": [ + "bin/pscss" + ], + "type": "library", + "autoload": { + "psr-4": { + "ScssPhp\\ScssPhp\\": "src/" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Anthon Pang", + "email": "apang@softwaredevelopment.ca", + "homepage": "https://github.com/robocoder" + }, + { + "name": "Cédric Morin", + "email": "cedric@yterium.com", + "homepage": "https://github.com/Cerdic" + } + ], + "description": "scssphp is a compiler for SCSS written in PHP.", + "homepage": "http://scssphp.github.io/scssphp/", + "keywords": [ + "css", + "less", + "sass", + "scss", + "stylesheet" + ], + "time": "2020-06-04T17:30:40+00:00" + }, { "name": "symfony/css-selector", "version": "v3.4.42", diff --git a/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php b/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php index 1cae62ff68..ae627b8c10 100644 --- a/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php +++ b/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php @@ -9,6 +9,6 @@ return array( 'TrueBV\\' => array($vendorDir . '/true/punycode/src'), 'Symfony\\Polyfill\\Mbstring\\' => array($vendorDir . '/symfony/polyfill-mbstring'), 'Symfony\\Component\\CssSelector\\' => array($vendorDir . '/symfony/css-selector'), + 'ScssPhp\\ScssPhp\\' => array($vendorDir . '/scssphp/scssphp/src'), 'Pelago\\' => array($vendorDir . '/pelago/emogrifier/src'), - 'Leafo\\ScssPhp\\' => array($vendorDir . '/leafo/scssphp/src'), ); diff --git a/wcfsetup/install/files/lib/system/api/composer/autoload_static.php b/wcfsetup/install/files/lib/system/api/composer/autoload_static.php index d9a103a2c4..1e091d8dd2 100644 --- a/wcfsetup/install/files/lib/system/api/composer/autoload_static.php +++ b/wcfsetup/install/files/lib/system/api/composer/autoload_static.php @@ -20,15 +20,12 @@ class ComposerStaticInitf07e6bf6487a19c1ad4a7f66aa2be118 array ( 'Symfony\\Polyfill\\Mbstring\\' => 26, 'Symfony\\Component\\CssSelector\\' => 30, + 'ScssPhp\\ScssPhp\\' => 16, ), 'P' => array ( 'Pelago\\' => 7, ), - 'L' => - array ( - 'Leafo\\ScssPhp\\' => 14, - ), ); public static $prefixDirsPsr4 = array ( @@ -44,13 +41,13 @@ class ComposerStaticInitf07e6bf6487a19c1ad4a7f66aa2be118 array ( 0 => __DIR__ . '/..' . '/symfony/css-selector', ), - 'Pelago\\' => + 'ScssPhp\\ScssPhp\\' => array ( - 0 => __DIR__ . '/..' . '/pelago/emogrifier/src', + 0 => __DIR__ . '/..' . '/scssphp/scssphp/src', ), - 'Leafo\\ScssPhp\\' => + 'Pelago\\' => array ( - 0 => __DIR__ . '/..' . '/leafo/scssphp/src', + 0 => __DIR__ . '/..' . '/pelago/emogrifier/src', ), ); diff --git a/wcfsetup/install/files/lib/system/api/composer/installed.json b/wcfsetup/install/files/lib/system/api/composer/installed.json index b053e3263f..797c242003 100644 --- a/wcfsetup/install/files/lib/system/api/composer/installed.json +++ b/wcfsetup/install/files/lib/system/api/composer/installed.json @@ -141,61 +141,6 @@ "html" ] }, - { - "name": "leafo/scssphp", - "version": "v0.7.8", - "version_normalized": "0.7.8.0", - "source": { - "type": "git", - "url": "https://github.com/leafo/scssphp.git", - "reference": "a384906af3d078e98b089d7d36f6ceab8703f7ff" - }, - "dist": { - "type": "zip", - "url": "https://api.github.com/repos/leafo/scssphp/zipball/a384906af3d078e98b089d7d36f6ceab8703f7ff", - "reference": "a384906af3d078e98b089d7d36f6ceab8703f7ff", - "shasum": "" - }, - "require": { - "php": ">=5.4.0" - }, - "require-dev": { - "phpunit/phpunit": "~4.6", - "squizlabs/php_codesniffer": "~2.5" - }, - "time": "2019-04-24T18:10:10+00:00", - "bin": [ - "bin/pscss" - ], - "type": "library", - "installation-source": "dist", - "autoload": { - "psr-4": { - "Leafo\\ScssPhp\\": "src/" - } - }, - "notification-url": "https://packagist.org/downloads/", - "license": [ - "MIT" - ], - "authors": [ - { - "name": "Leaf Corcoran", - "email": "leafot@gmail.com", - "homepage": "http://leafo.net" - } - ], - "description": "scssphp is a compiler for SCSS written in PHP.", - "homepage": "http://leafo.github.io/scssphp/", - "keywords": [ - "css", - "less", - "sass", - "scss", - "stylesheet" - ], - "abandoned": "scssphp/scssphp" - }, { "name": "pear/net_idna2", "version": "v0.2.0", @@ -379,6 +324,69 @@ "pre-processing" ] }, + { + "name": "scssphp/scssphp", + "version": "1.1.1", + "version_normalized": "1.1.1.0", + "source": { + "type": "git", + "url": "https://github.com/scssphp/scssphp.git", + "reference": "824e4cec10b2bfa88eec5dac23991cb9106622c1" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/scssphp/scssphp/zipball/824e4cec10b2bfa88eec5dac23991cb9106622c1", + "reference": "824e4cec10b2bfa88eec5dac23991cb9106622c1", + "shasum": "" + }, + "require": { + "ext-ctype": "*", + "ext-json": "*", + "php": ">=5.6.0" + }, + "require-dev": { + "phpunit/phpunit": "^5.7 || ^6.5 || ^7.5 || ^8.3", + "squizlabs/php_codesniffer": "~3.5", + "twbs/bootstrap": "~4.3", + "zurb/foundation": "~6.5" + }, + "time": "2020-06-04T17:30:40+00:00", + "bin": [ + "bin/pscss" + ], + "type": "library", + "installation-source": "dist", + "autoload": { + "psr-4": { + "ScssPhp\\ScssPhp\\": "src/" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Anthon Pang", + "email": "apang@softwaredevelopment.ca", + "homepage": "https://github.com/robocoder" + }, + { + "name": "Cédric Morin", + "email": "cedric@yterium.com", + "homepage": "https://github.com/Cerdic" + } + ], + "description": "scssphp is a compiler for SCSS written in PHP.", + "homepage": "http://scssphp.github.io/scssphp/", + "keywords": [ + "css", + "less", + "sass", + "scss", + "stylesheet" + ] + }, { "name": "symfony/css-selector", "version": "v3.4.42", diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json b/wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json deleted file mode 100644 index 95118a32bf..0000000000 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json +++ /dev/null @@ -1,41 +0,0 @@ -{ - "name": "leafo/scssphp", - "type": "library", - "description": "scssphp is a compiler for SCSS written in PHP.", - "keywords": ["css", "stylesheet", "scss", "sass", "less"], - "homepage": "http://leafo.github.io/scssphp/", - "license": [ - "MIT" - ], - "authors": [ - { - "name": "Leaf Corcoran", - "email": "leafot@gmail.com", - "homepage": "http://leafo.net" - } - ], - "autoload": { - "psr-4": { "Leafo\\ScssPhp\\": "src/" } - }, - "autoload-dev": { - "psr-4": { "Leafo\\ScssPhp\\Test\\": "tests/" } - }, - "require": { - "php": ">=5.4.0" - }, - "require-dev": { - "squizlabs/php_codesniffer": "~2.5", - "phpunit/phpunit": "~4.6" - }, - "bin": ["bin/pscss"], - "archive": { - "exclude": [ - "/Makefile", - "/.gitattributes", - "/.gitignore", - "/.travis.yml", - "/phpunit.xml.dist", - "/tests" - ] - } -} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/example/Server.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/example/Server.php deleted file mode 100644 index 54060b1a2b..0000000000 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/example/Server.php +++ /dev/null @@ -1,515 +0,0 @@ - - */ -class Server -{ - /** - * @var boolean - */ - private $showErrorsAsCSS; - - /** - * @var string - */ - private $dir; - - /** - * @var string - */ - private $cacheDir; - - /** - * @var \Leafo\ScssPhp\Compiler - */ - private $scss; - - /** - * Join path components - * - * @param string $left Path component, left of the directory separator - * @param string $right Path component, right of the directory separator - * - * @return string - */ - protected function join($left, $right) - { - return rtrim($left, '/\\') . DIRECTORY_SEPARATOR . ltrim($right, '/\\'); - } - - /** - * Get name of requested .scss file - * - * @return string|null - */ - protected function inputName() - { - switch (true) { - case isset($_GET['p']): - return $_GET['p']; - case isset($_SERVER['PATH_INFO']): - return $_SERVER['PATH_INFO']; - case isset($_SERVER['DOCUMENT_URI']): - return substr($_SERVER['DOCUMENT_URI'], strlen($_SERVER['SCRIPT_NAME'])); - } - } - - /** - * Get path to requested .scss file - * - * @return string - */ - protected function findInput() - { - if (($input = $this->inputName()) - && strpos($input, '..') === false - && substr($input, -5) === '.scss' - ) { - $name = $this->join($this->dir, $input); - - if (is_file($name) && is_readable($name)) { - return $name; - } - } - - return false; - } - - /** - * Get path to cached .css file - * - * @return string - */ - protected function cacheName($fname) - { - return $this->join($this->cacheDir, md5($fname) . '.css'); - } - - /** - * Get path to meta data - * - * @return string - */ - protected function metadataName($out) - { - return $out . '.meta'; - } - - /** - * Determine whether .scss file needs to be re-compiled. - * - * @param string $out Output path - * @param string $etag ETag - * - * @return boolean True if compile required. - */ - protected function needsCompile($out, &$etag) - { - if (! is_file($out)) { - return true; - } - - $mtime = filemtime($out); - - $metadataName = $this->metadataName($out); - - if (is_readable($metadataName)) { - $metadata = unserialize(file_get_contents($metadataName)); - - foreach ($metadata['imports'] as $import => $originalMtime) { - $currentMtime = filemtime($import); - - if ($currentMtime !== $originalMtime || $currentMtime > $mtime) { - return true; - } - } - - $metaVars = crc32(serialize($this->scss->getVariables())); - - if ($metaVars !== $metadata['vars']) { - return true; - } - - $etag = $metadata['etag']; - - return false; - } - - return true; - } - - /** - * Get If-Modified-Since header from client request - * - * @return string|null - */ - protected function getIfModifiedSinceHeader() - { - $modifiedSince = null; - - if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) { - $modifiedSince = $_SERVER['HTTP_IF_MODIFIED_SINCE']; - - if (false !== ($semicolonPos = strpos($modifiedSince, ';'))) { - $modifiedSince = substr($modifiedSince, 0, $semicolonPos); - } - } - - return $modifiedSince; - } - - /** - * Get If-None-Match header from client request - * - * @return string|null - */ - protected function getIfNoneMatchHeader() - { - $noneMatch = null; - - if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) { - $noneMatch = $_SERVER['HTTP_IF_NONE_MATCH']; - } - - return $noneMatch; - } - - /** - * Compile .scss file - * - * @param string $in Input path (.scss) - * @param string $out Output path (.css) - * - * @return array - */ - protected function compile($in, $out) - { - $start = microtime(true); - $css = $this->scss->compile(file_get_contents($in), $in); - $elapsed = round((microtime(true) - $start), 4); - - $v = Version::VERSION; - $t = gmdate('r'); - $css = "/* compiled by scssphp $v on $t (${elapsed}s) */\n\n" . $css; - $etag = md5($css); - - file_put_contents($out, $css); - file_put_contents( - $this->metadataName($out), - serialize([ - 'etag' => $etag, - 'imports' => $this->scss->getParsedFiles(), - 'vars' => crc32(serialize($this->scss->getVariables())), - ]) - ); - - return [$css, $etag]; - } - - /** - * Format error as a pseudo-element in CSS - * - * @param \Exception $error - * - * @return string - */ - protected function createErrorCSS(\Exception $error) - { - $message = str_replace( - ["'", "\n"], - ["\\'", "\\A"], - $error->getfile() . ":\n\n" . $error->getMessage() - ); - - return "body { display: none !important; } - html:after { - background: white; - color: black; - content: '$message'; - display: block !important; - font-family: mono; - padding: 1em; - white-space: pre; - }"; - } - - /** - * Render errors as a pseudo-element within valid CSS, displaying the errors on any - * page that includes this CSS. - * - * @param boolean $show - */ - public function showErrorsAsCSS($show = true) - { - $this->showErrorsAsCSS = $show; - } - - /** - * Compile .scss file - * - * @param string $in Input file (.scss) - * @param string $out Output file (.css) optional - * - * @return string|bool - * - * @throws \Leafo\ScssPhp\Exception\ServerException - */ - public function compileFile($in, $out = null) - { - if (! is_readable($in)) { - throw new ServerException('load error: failed to find ' . $in); - } - - $pi = pathinfo($in); - - $this->scss->addImportPath($pi['dirname'] . '/'); - - $compiled = $this->scss->compile(file_get_contents($in), $in); - - if ($out !== null) { - return file_put_contents($out, $compiled); - } - - return $compiled; - } - - /** - * Check if file need compiling - * - * @param string $in Input file (.scss) - * @param string $out Output file (.css) - * - * @return bool - */ - public function checkedCompile($in, $out) - { - if (! is_file($out) || filemtime($in) > filemtime($out)) { - $this->compileFile($in, $out); - - return true; - } - - return false; - } - - /** - * Compile requested scss and serve css. Outputs HTTP response. - * - * @param string $salt Prefix a string to the filename for creating the cache name hash - */ - public function serve($salt = '') - { - $protocol = isset($_SERVER['SERVER_PROTOCOL']) - ? $_SERVER['SERVER_PROTOCOL'] - : 'HTTP/1.0'; - - if ($input = $this->findInput()) { - $output = $this->cacheName($salt . $input); - $etag = $noneMatch = trim($this->getIfNoneMatchHeader(), '"'); - - if ($this->needsCompile($output, $etag)) { - try { - list($css, $etag) = $this->compile($input, $output); - - $lastModified = gmdate('r', filemtime($output)); - - header('Last-Modified: ' . $lastModified); - header('Content-type: text/css'); - header('ETag: "' . $etag . '"'); - - echo $css; - } catch (\Exception $e) { - if ($this->showErrorsAsCSS) { - header('Content-type: text/css'); - - echo $this->createErrorCSS($e); - } else { - header($protocol . ' 500 Internal Server Error'); - header('Content-type: text/plain'); - - echo 'Parse error: ' . $e->getMessage() . "\n"; - } - } - - return; - } - - header('X-SCSS-Cache: true'); - header('Content-type: text/css'); - header('ETag: "' . $etag . '"'); - - if ($etag === $noneMatch) { - header($protocol . ' 304 Not Modified'); - - return; - } - - $modifiedSince = $this->getIfModifiedSinceHeader(); - $mtime = filemtime($output); - - if (strtotime($modifiedSince) === $mtime) { - header($protocol . ' 304 Not Modified'); - - return; - } - - $lastModified = gmdate('r', $mtime); - header('Last-Modified: ' . $lastModified); - - echo file_get_contents($output); - - return; - } - - header($protocol . ' 404 Not Found'); - header('Content-type: text/plain'); - - $v = Version::VERSION; - echo "/* INPUT NOT FOUND scss $v */\n"; - } - - /** - * Based on explicit input/output files does a full change check on cache before compiling. - * - * @param string $in - * @param string $out - * @param boolean $force - * - * @return string Compiled CSS results - * - * @throws \Leafo\ScssPhp\Exception\ServerException - */ - public function checkedCachedCompile($in, $out, $force = false) - { - if (! is_file($in) || ! is_readable($in)) { - throw new ServerException('Invalid or unreadable input file specified.'); - } - - if (is_dir($out) || ! is_writable(file_exists($out) ? $out : dirname($out))) { - throw new ServerException('Invalid or unwritable output file specified.'); - } - - if ($force || $this->needsCompile($out, $etag)) { - list($css, $etag) = $this->compile($in, $out); - } else { - $css = file_get_contents($out); - } - - return $css; - } - - /** - * Execute scssphp on a .scss file or a scssphp cache structure - * - * The scssphp cache structure contains information about a specific - * scss file having been parsed. It can be used as a hint for future - * calls to determine whether or not a rebuild is required. - * - * The cache structure contains two important keys that may be used - * externally: - * - * compiled: The final compiled CSS - * updated: The time (in seconds) the CSS was last compiled - * - * The cache structure is a plain-ol' PHP associative array and can - * be serialized and unserialized without a hitch. - * - * @param mixed $in Input - * @param boolean $force Force rebuild? - * - * @return array scssphp cache structure - */ - public function cachedCompile($in, $force = false) - { - // assume no root - $root = null; - - if (is_string($in)) { - $root = $in; - } elseif (is_array($in) and isset($in['root'])) { - if ($force or ! isset($in['files'])) { - // If we are forcing a recompile or if for some reason the - // structure does not contain any file information we should - // specify the root to trigger a rebuild. - $root = $in['root']; - } elseif (isset($in['files']) and is_array($in['files'])) { - foreach ($in['files'] as $fname => $ftime) { - if (! file_exists($fname) or filemtime($fname) > $ftime) { - // One of the files we knew about previously has changed - // so we should look at our incoming root again. - $root = $in['root']; - break; - } - } - } - } else { - // TODO: Throw an exception? We got neither a string nor something - // that looks like a compatible lessphp cache structure. - return null; - } - - if ($root !== null) { - // If we have a root value which means we should rebuild. - $out = []; - $out['root'] = $root; - $out['compiled'] = $this->compileFile($root); - $out['files'] = $this->scss->getParsedFiles(); - $out['updated'] = time(); - return $out; - } else { - // No changes, pass back the structure - // we were given initially. - return $in; - } - } - - /** - * Constructor - * - * @param string $dir Root directory to .scss files - * @param string $cacheDir Cache directory - * @param \Leafo\ScssPhp\Compiler|null $scss SCSS compiler instance - */ - public function __construct($dir, $cacheDir = null, $scss = null) - { - $this->dir = $dir; - - if (! isset($cacheDir)) { - $cacheDir = $this->join($dir, 'scss_cache'); - } - - $this->cacheDir = $cacheDir; - - if (! is_dir($this->cacheDir)) { - throw new ServerException('Cache directory doesn\'t exist: ' . $cacheDir); - } - - if (! isset($scss)) { - $scss = new Compiler(); - $scss->setImportPaths($this->dir); - } - - $this->scss = $scss; - $this->showErrorsAsCSS = false; - - date_default_timezone_set('UTC'); - } -} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler.php deleted file mode 100644 index d547c1564a..0000000000 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler.php +++ /dev/null @@ -1,5415 +0,0 @@ - - */ -class Compiler -{ - const LINE_COMMENTS = 1; - const DEBUG_INFO = 2; - - const WITH_RULE = 1; - const WITH_MEDIA = 2; - const WITH_SUPPORTS = 4; - const WITH_ALL = 7; - - const SOURCE_MAP_NONE = 0; - const SOURCE_MAP_INLINE = 1; - const SOURCE_MAP_FILE = 2; - - /** - * @var array - */ - static protected $operatorNames = [ - '+' => 'add', - '-' => 'sub', - '*' => 'mul', - '/' => 'div', - '%' => 'mod', - - '==' => 'eq', - '!=' => 'neq', - '<' => 'lt', - '>' => 'gt', - - '<=' => 'lte', - '>=' => 'gte', - '<=>' => 'cmp', - ]; - - /** - * @var array - */ - static protected $namespaces = [ - 'special' => '%', - 'mixin' => '@', - 'function' => '^', - ]; - - static public $true = [Type::T_KEYWORD, 'true']; - static public $false = [Type::T_KEYWORD, 'false']; - static public $null = [Type::T_NULL]; - static public $nullString = [Type::T_STRING, '', []]; - static public $defaultValue = [Type::T_KEYWORD, '']; - static public $selfSelector = [Type::T_SELF]; - static public $emptyList = [Type::T_LIST, '', []]; - static public $emptyMap = [Type::T_MAP, [], []]; - static public $emptyString = [Type::T_STRING, '"', []]; - static public $with = [Type::T_KEYWORD, 'with']; - static public $without = [Type::T_KEYWORD, 'without']; - - protected $importPaths = ['']; - protected $importCache = []; - protected $importedFiles = []; - protected $userFunctions = []; - protected $registeredVars = []; - protected $registeredFeatures = [ - 'extend-selector-pseudoclass' => false, - 'at-error' => true, - 'units-level-3' => false, - 'global-variable-shadowing' => false, - ]; - - protected $encoding = null; - protected $lineNumberStyle = null; - - protected $sourceMap = self::SOURCE_MAP_NONE; - protected $sourceMapOptions = []; - - /** - * @var string|\Leafo\ScssPhp\Formatter - */ - protected $formatter = 'Leafo\ScssPhp\Formatter\Nested'; - - protected $rootEnv; - protected $rootBlock; - - /** - * @var \Leafo\ScssPhp\Compiler\Environment - */ - protected $env; - protected $scope; - protected $storeEnv; - protected $charsetSeen; - protected $sourceNames; - - protected $indentLevel; - protected $commentsSeen; - protected $extends; - protected $extendsMap; - protected $parsedFiles; - protected $parser; - protected $sourceIndex; - protected $sourceLine; - protected $sourceColumn; - protected $stderr; - protected $shouldEvaluate; - protected $ignoreErrors; - - /** - * Constructor - */ - public function __construct() - { - $this->parsedFiles = []; - $this->sourceNames = []; - } - - /** - * Compile scss - * - * @api - * - * @param string $code - * @param string $path - * - * @return string - */ - public function compile($code, $path = null) - { - $this->indentLevel = -1; - $this->commentsSeen = []; - $this->extends = []; - $this->extendsMap = []; - $this->sourceIndex = null; - $this->sourceLine = null; - $this->sourceColumn = null; - $this->env = null; - $this->scope = null; - $this->storeEnv = null; - $this->charsetSeen = null; - $this->shouldEvaluate = null; - $this->stderr = fopen('php://stderr', 'w'); - - $this->parser = $this->parserFactory($path); - $tree = $this->parser->parse($code); - $this->parser = null; - - $this->formatter = new $this->formatter(); - $this->rootBlock = null; - $this->rootEnv = $this->pushEnv($tree); - - $this->injectVariables($this->registeredVars); - $this->compileRoot($tree); - $this->popEnv(); - - $sourceMapGenerator = null; - - if ($this->sourceMap) { - if (is_object($this->sourceMap) && $this->sourceMap instanceof SourceMapGenerator) { - $sourceMapGenerator = $this->sourceMap; - $this->sourceMap = self::SOURCE_MAP_FILE; - } elseif ($this->sourceMap !== self::SOURCE_MAP_NONE) { - $sourceMapGenerator = new SourceMapGenerator($this->sourceMapOptions); - } - } - - $out = $this->formatter->format($this->scope, $sourceMapGenerator); - - if (! empty($out) && $this->sourceMap && $this->sourceMap !== self::SOURCE_MAP_NONE) { - $sourceMap = $sourceMapGenerator->generateJson(); - $sourceMapUrl = null; - - switch ($this->sourceMap) { - case self::SOURCE_MAP_INLINE: - $sourceMapUrl = sprintf('data:application/json,%s', Util::encodeURIComponent($sourceMap)); - break; - - case self::SOURCE_MAP_FILE: - $sourceMapUrl = $sourceMapGenerator->saveMap($sourceMap); - break; - } - - $out .= sprintf('/*# sourceMappingURL=%s */', $sourceMapUrl); - } - - return $out; - } - - /** - * Instantiate parser - * - * @param string $path - * - * @return \Leafo\ScssPhp\Parser - */ - protected function parserFactory($path) - { - $parser = new Parser($path, count($this->sourceNames), $this->encoding); - - $this->sourceNames[] = $path; - $this->addParsedFile($path); - - return $parser; - } - - /** - * Is self extend? - * - * @param array $target - * @param array $origin - * - * @return boolean - */ - protected function isSelfExtend($target, $origin) - { - foreach ($origin as $sel) { - if (in_array($target, $sel)) { - return true; - } - } - - return false; - } - - /** - * Push extends - * - * @param array $target - * @param array $origin - * @param \stdClass $block - */ - protected function pushExtends($target, $origin, $block) - { - if ($this->isSelfExtend($target, $origin)) { - return; - } - - $i = count($this->extends); - $this->extends[] = [$target, $origin, $block]; - - foreach ($target as $part) { - if (isset($this->extendsMap[$part])) { - $this->extendsMap[$part][] = $i; - } else { - $this->extendsMap[$part] = [$i]; - } - } - } - - /** - * Make output block - * - * @param string $type - * @param array $selectors - * - * @return \Leafo\ScssPhp\Formatter\OutputBlock - */ - protected function makeOutputBlock($type, $selectors = null) - { - $out = new OutputBlock; - $out->type = $type; - $out->lines = []; - $out->children = []; - $out->parent = $this->scope; - $out->selectors = $selectors; - $out->depth = $this->env->depth; - - if ($this->env->block instanceof Block) { - $out->sourceName = $this->env->block->sourceName; - $out->sourceLine = $this->env->block->sourceLine; - $out->sourceColumn = $this->env->block->sourceColumn; - } else { - $out->sourceName = null; - $out->sourceLine = null; - $out->sourceColumn = null; - } - - return $out; - } - - /** - * Compile root - * - * @param \Leafo\ScssPhp\Block $rootBlock - */ - protected function compileRoot(Block $rootBlock) - { - $this->rootBlock = $this->scope = $this->makeOutputBlock(Type::T_ROOT); - - $this->compileChildrenNoReturn($rootBlock->children, $this->scope); - $this->flattenSelectors($this->scope); - $this->missingSelectors(); - } - - /** - * Report missing selectors - */ - protected function missingSelectors() - { - foreach ($this->extends as $extend) { - if (isset($extend[3])) { - continue; - } - - list($target, $origin, $block) = $extend; - - // ignore if !optional - if ($block[2]) { - continue; - } - - $target = implode(' ', $target); - $origin = $this->collapseSelectors($origin); - - $this->sourceLine = $block[Parser::SOURCE_LINE]; - $this->throwError("\"$origin\" failed to @extend \"$target\". The selector \"$target\" was not found."); - } - } - - /** - * Flatten selectors - * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block - * @param string $parentKey - */ - protected function flattenSelectors(OutputBlock $block, $parentKey = null) - { - if ($block->selectors) { - $selectors = []; - - foreach ($block->selectors as $s) { - $selectors[] = $s; - - if (! is_array($s)) { - continue; - } - - // check extends - if (! empty($this->extendsMap)) { - $this->matchExtends($s, $selectors); - - // remove duplicates - array_walk($selectors, function (&$value) { - $value = serialize($value); - }); - - $selectors = array_unique($selectors); - - array_walk($selectors, function (&$value) { - $value = unserialize($value); - }); - } - } - - $block->selectors = []; - $placeholderSelector = false; - - foreach ($selectors as $selector) { - if ($this->hasSelectorPlaceholder($selector)) { - $placeholderSelector = true; - continue; - } - - $block->selectors[] = $this->compileSelector($selector); - } - - if ($placeholderSelector && 0 === count($block->selectors) && null !== $parentKey) { - unset($block->parent->children[$parentKey]); - - return; - } - } - - foreach ($block->children as $key => $child) { - $this->flattenSelectors($child, $key); - } - } - - /** - * Match extends - * - * @param array $selector - * @param array $out - * @param integer $from - * @param boolean $initial - */ - protected function matchExtends($selector, &$out, $from = 0, $initial = true) - { - foreach ($selector as $i => $part) { - if ($i < $from) { - continue; - } - - if ($this->matchExtendsSingle($part, $origin)) { - $after = array_slice($selector, $i + 1); - $before = array_slice($selector, 0, $i); - - list($before, $nonBreakableBefore) = $this->extractRelationshipFromFragment($before); - - foreach ($origin as $new) { - $k = 0; - - // remove shared parts - if ($initial) { - while ($k < $i && isset($new[$k]) && $selector[$k] === $new[$k]) { - $k++; - } - } - - $replacement = []; - $tempReplacement = $k > 0 ? array_slice($new, $k) : $new; - - for ($l = count($tempReplacement) - 1; $l >= 0; $l--) { - $slice = []; - foreach ($tempReplacement[$l] as $chunk) { - if (!in_array($chunk, $slice)) { - $slice[] = $chunk; - } - } - array_unshift($replacement, $slice); - - if (! $this->isImmediateRelationshipCombinator(end($slice))) { - break; - } - } - - $afterBefore = $l != 0 ? array_slice($tempReplacement, 0, $l) : []; - - // Merge shared direct relationships. - $mergedBefore = $this->mergeDirectRelationships($afterBefore, $nonBreakableBefore); - - $result = array_merge( - $before, - $mergedBefore, - $replacement, - $after - ); - - if ($result === $selector) { - continue; - } - - $out[] = $result; - - // recursively check for more matches - $this->matchExtends($result, $out, count($before) + count($mergedBefore), false); - - // selector sequence merging - if (! empty($before) && count($new) > 1) { - $sharedParts = $k > 0 ? array_slice($before, 0, $k) : []; - $postSharedParts = $k > 0 ? array_slice($before, $k) : $before; - - list($injectBetweenSharedParts, $nonBreakable2) = $this->extractRelationshipFromFragment($afterBefore); - - $result2 = array_merge( - $sharedParts, - $injectBetweenSharedParts, - $postSharedParts, - $nonBreakable2, - $nonBreakableBefore, - $replacement, - $after - ); - - $out[] = $result2; - } - } - } - } - } - - /** - * Match extends single - * - * @param array $rawSingle - * @param array $outOrigin - * - * @return boolean - */ - protected function matchExtendsSingle($rawSingle, &$outOrigin) - { - $counts = []; - $single = []; - - foreach ($rawSingle as $part) { - // matches Number - if (! is_string($part)) { - return false; - } - - if (! preg_match('/^[\[.:#%]/', $part) && count($single)) { - $single[count($single) - 1] .= $part; - } else { - $single[] = $part; - } - } - - $extendingDecoratedTag = false; - - if (count($single) > 1) { - $matches = null; - $extendingDecoratedTag = preg_match('/^[a-z0-9]+$/i', $single[0], $matches) ? $matches[0] : false; - } - - foreach ($single as $part) { - if (isset($this->extendsMap[$part])) { - foreach ($this->extendsMap[$part] as $idx) { - $counts[$idx] = isset($counts[$idx]) ? $counts[$idx] + 1 : 1; - } - } - } - - $outOrigin = []; - $found = false; - - foreach ($counts as $idx => $count) { - list($target, $origin, /* $block */) = $this->extends[$idx]; - - // check count - if ($count !== count($target)) { - continue; - } - - $this->extends[$idx][3] = true; - - $rem = array_diff($single, $target); - - foreach ($origin as $j => $new) { - // prevent infinite loop when target extends itself - if ($this->isSelfExtend($single, $origin)) { - return false; - } - - $replacement = end($new); - - // Extending a decorated tag with another tag is not possible. - if ($extendingDecoratedTag && $replacement[0] != $extendingDecoratedTag && - preg_match('/^[a-z0-9]+$/i', $replacement[0]) - ) { - unset($origin[$j]); - continue; - } - - $combined = $this->combineSelectorSingle($replacement, $rem); - - if (count(array_diff($combined, $origin[$j][count($origin[$j]) - 1]))) { - $origin[$j][count($origin[$j]) - 1] = $combined; - } - } - - $outOrigin = array_merge($outOrigin, $origin); - - $found = true; - } - - return $found; - } - - - /** - * Extract a relationship from the fragment. - * - * When extracting the last portion of a selector we will be left with a - * fragment which may end with a direction relationship combinator. This - * method will extract the relationship fragment and return it along side - * the rest. - * - * @param array $fragment The selector fragment maybe ending with a direction relationship combinator. - * @return array The selector without the relationship fragment if any, the relationship fragment. - */ - protected function extractRelationshipFromFragment(array $fragment) - { - $parents = []; - $children = []; - $j = $i = count($fragment); - - for (;;) { - $children = $j != $i ? array_slice($fragment, $j, $i - $j) : []; - $parents = array_slice($fragment, 0, $j); - $slice = end($parents); - - if (empty($slice) || ! $this->isImmediateRelationshipCombinator($slice[0])) { - break; - } - - $j -= 2; - } - - return [$parents, $children]; - } - - /** - * Combine selector single - * - * @param array $base - * @param array $other - * - * @return array - */ - protected function combineSelectorSingle($base, $other) - { - $tag = []; - $out = []; - $wasTag = true; - - foreach ([$base, $other] as $single) { - foreach ($single as $part) { - if (preg_match('/^[\[.:#]/', $part)) { - $out[] = $part; - $wasTag = false; - } elseif (preg_match('/^[^_-]/', $part)) { - $tag[] = $part; - $wasTag = true; - } elseif ($wasTag) { - $tag[count($tag) - 1] .= $part; - } else { - $out[count($out) - 1] .= $part; - } - } - } - - if (count($tag)) { - array_unshift($out, $tag[0]); - } - - return $out; - } - - /** - * Compile media - * - * @param \Leafo\ScssPhp\Block $media - */ - protected function compileMedia(Block $media) - { - $this->pushEnv($media); - - $mediaQuery = $this->compileMediaQuery($this->multiplyMedia($this->env)); - - if (! empty($mediaQuery)) { - $this->scope = $this->makeOutputBlock(Type::T_MEDIA, [$mediaQuery]); - - $parentScope = $this->mediaParent($this->scope); - $parentScope->children[] = $this->scope; - - // top level properties in a media cause it to be wrapped - $needsWrap = false; - - foreach ($media->children as $child) { - $type = $child[0]; - - if ($type !== Type::T_BLOCK && - $type !== Type::T_MEDIA && - $type !== Type::T_DIRECTIVE && - $type !== Type::T_IMPORT - ) { - $needsWrap = true; - break; - } - } - - if ($needsWrap) { - $wrapped = new Block; - $wrapped->sourceName = $media->sourceName; - $wrapped->sourceIndex = $media->sourceIndex; - $wrapped->sourceLine = $media->sourceLine; - $wrapped->sourceColumn = $media->sourceColumn; - $wrapped->selectors = []; - $wrapped->comments = []; - $wrapped->parent = $media; - $wrapped->children = $media->children; - - $media->children = [[Type::T_BLOCK, $wrapped]]; - } - - $this->compileChildrenNoReturn($media->children, $this->scope); - - $this->scope = $this->scope->parent; - } - - $this->popEnv(); - } - - /** - * Media parent - * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $scope - * - * @return \Leafo\ScssPhp\Formatter\OutputBlock - */ - protected function mediaParent(OutputBlock $scope) - { - while (! empty($scope->parent)) { - if (! empty($scope->type) && $scope->type !== Type::T_MEDIA) { - break; - } - - $scope = $scope->parent; - } - - return $scope; - } - - /** - * Compile directive - * - * @param \Leafo\ScssPhp\Block $block - */ - protected function compileDirective(Block $block) - { - $s = '@' . $block->name; - - if (! empty($block->value)) { - $s .= ' ' . $this->compileValue($block->value); - } - - if ($block->name === 'keyframes' || substr($block->name, -10) === '-keyframes') { - $this->compileKeyframeBlock($block, [$s]); - } else { - $this->compileNestedBlock($block, [$s]); - } - } - - /** - * Compile at-root - * - * @param \Leafo\ScssPhp\Block $block - */ - protected function compileAtRoot(Block $block) - { - $env = $this->pushEnv($block); - $envs = $this->compactEnv($env); - $without = isset($block->with) ? $this->compileWith($block->with) : static::WITH_RULE; - - // wrap inline selector - if ($block->selector) { - $wrapped = new Block; - $wrapped->sourceName = $block->sourceName; - $wrapped->sourceIndex = $block->sourceIndex; - $wrapped->sourceLine = $block->sourceLine; - $wrapped->sourceColumn = $block->sourceColumn; - $wrapped->selectors = $block->selector; - $wrapped->comments = []; - $wrapped->parent = $block; - $wrapped->children = $block->children; - $wrapped->selfParent = $block->selfParent; - - $block->children = [[Type::T_BLOCK, $wrapped]]; - } - - $this->env = $this->filterWithout($envs, $without); - $newBlock = $this->spliceTree($envs, $block, $without); - - $saveScope = $this->scope; - $this->scope = $this->rootBlock; - - $this->compileChild($newBlock, $this->scope); - - $this->scope = $saveScope; - $this->env = $this->extractEnv($envs); - - $this->popEnv(); - } - - /** - * Splice parse tree - * - * @param array $envs - * @param \Leafo\ScssPhp\Block $block - * @param integer $without - * - * @return array - */ - protected function spliceTree($envs, Block $block, $without) - { - $newBlock = null; - - foreach ($envs as $e) { - if (! isset($e->block)) { - continue; - } - - if ($e->block === $block) { - continue; - } - - if (isset($e->block->type) && $e->block->type === Type::T_AT_ROOT) { - continue; - } - - if ($e->block && $this->isWithout($without, $e->block)) { - continue; - } - - $b = new Block; - $b->sourceName = $e->block->sourceName; - $b->sourceIndex = $e->block->sourceIndex; - $b->sourceLine = $e->block->sourceLine; - $b->sourceColumn = $e->block->sourceColumn; - $b->selectors = []; - $b->comments = $e->block->comments; - $b->parent = null; - - if ($newBlock) { - $type = isset($newBlock->type) ? $newBlock->type : Type::T_BLOCK; - - $b->children = [[$type, $newBlock]]; - - $newBlock->parent = $b; - } elseif (count($block->children)) { - foreach ($block->children as $child) { - if ($child[0] === Type::T_BLOCK) { - $child[1]->parent = $b; - } - } - - $b->children = $block->children; - } - - if (isset($e->block->type)) { - $b->type = $e->block->type; - } - - if (isset($e->block->name)) { - $b->name = $e->block->name; - } - - if (isset($e->block->queryList)) { - $b->queryList = $e->block->queryList; - } - - if (isset($e->block->value)) { - $b->value = $e->block->value; - } - - $newBlock = $b; - } - - $newBlock->selfParent = $block->selfParent; - $type = isset($newBlock->type) ? $newBlock->type : Type::T_BLOCK; - - return [$type, $newBlock]; - } - - /** - * Compile @at-root's with: inclusion / without: exclusion into filter flags - * - * @param array $with - * - * @return integer - */ - protected function compileWith($with) - { - static $mapping = [ - 'rule' => self::WITH_RULE, - 'media' => self::WITH_MEDIA, - 'supports' => self::WITH_SUPPORTS, - 'all' => self::WITH_ALL, - ]; - - // exclude selectors by default - $without = static::WITH_RULE; - - if ($this->libMapHasKey([$with, static::$with])) { - $without = static::WITH_ALL; - - $list = $this->coerceList($this->libMapGet([$with, static::$with])); - - foreach ($list[2] as $item) { - $keyword = $this->compileStringContent($this->coerceString($item)); - - if (array_key_exists($keyword, $mapping)) { - $without &= ~($mapping[$keyword]); - } - } - } - - if ($this->libMapHasKey([$with, static::$without])) { - $without = 0; - - $list = $this->coerceList($this->libMapGet([$with, static::$without])); - - foreach ($list[2] as $item) { - $keyword = $this->compileStringContent($this->coerceString($item)); - - if (array_key_exists($keyword, $mapping)) { - $without |= $mapping[$keyword]; - } - } - } - - return $without; - } - - /** - * Filter env stack - * - * @param array $envs - * @param integer $without - * - * @return \Leafo\ScssPhp\Compiler\Environment - */ - protected function filterWithout($envs, $without) - { - $filtered = []; - - foreach ($envs as $e) { - if ($e->block && $this->isWithout($without, $e->block)) { - continue; - } - - $filtered[] = $e; - } - - return $this->extractEnv($filtered); - } - - /** - * Filter WITH rules - * - * @param integer $without - * @param \Leafo\ScssPhp\Block $block - * - * @return boolean - */ - protected function isWithout($without, Block $block) - { - if ((($without & static::WITH_RULE) && isset($block->selectors)) || - (($without & static::WITH_MEDIA) && - isset($block->type) && $block->type === Type::T_MEDIA) || - (($without & static::WITH_SUPPORTS) && - isset($block->type) && $block->type === Type::T_DIRECTIVE && - isset($block->name) && $block->name === 'supports') - ) { - return true; - } - - return false; - } - - /** - * Compile keyframe block - * - * @param \Leafo\ScssPhp\Block $block - * @param array $selectors - */ - protected function compileKeyframeBlock(Block $block, $selectors) - { - $env = $this->pushEnv($block); - - $envs = $this->compactEnv($env); - - $this->env = $this->extractEnv(array_filter($envs, function (Environment $e) { - return ! isset($e->block->selectors); - })); - - $this->scope = $this->makeOutputBlock($block->type, $selectors); - $this->scope->depth = 1; - $this->scope->parent->children[] = $this->scope; - - $this->compileChildrenNoReturn($block->children, $this->scope); - - $this->scope = $this->scope->parent; - $this->env = $this->extractEnv($envs); - - $this->popEnv(); - } - - /** - * Compile nested block - * - * @param \Leafo\ScssPhp\Block $block - * @param array $selectors - */ - protected function compileNestedBlock(Block $block, $selectors) - { - $this->pushEnv($block); - - $this->scope = $this->makeOutputBlock($block->type, $selectors); - $this->scope->parent->children[] = $this->scope; - - $this->compileChildrenNoReturn($block->children, $this->scope); - - $this->scope = $this->scope->parent; - - $this->popEnv(); - } - - /** - * Recursively compiles a block. - * - * A block is analogous to a CSS block in most cases. A single SCSS document - * is encapsulated in a block when parsed, but it does not have parent tags - * so all of its children appear on the root level when compiled. - * - * Blocks are made up of selectors and children. - * - * The children of a block are just all the blocks that are defined within. - * - * Compiling the block involves pushing a fresh environment on the stack, - * and iterating through the props, compiling each one. - * - * @see Compiler::compileChild() - * - * @param \Leafo\ScssPhp\Block $block - */ - protected function compileBlock(Block $block) - { - $env = $this->pushEnv($block); - $env->selectors = $this->evalSelectors($block->selectors); - - $out = $this->makeOutputBlock(null); - - if (isset($this->lineNumberStyle) && count($env->selectors) && count($block->children)) { - $annotation = $this->makeOutputBlock(Type::T_COMMENT); - $annotation->depth = 0; - - $file = $this->sourceNames[$block->sourceIndex]; - $line = $block->sourceLine; - - switch ($this->lineNumberStyle) { - case static::LINE_COMMENTS: - $annotation->lines[] = '/* line ' . $line - . ($file ? ', ' . $file : '') - . ' */'; - break; - - case static::DEBUG_INFO: - $annotation->lines[] = '@media -sass-debug-info{' - . ($file ? 'filename{font-family:"' . $file . '"}' : '') - . 'line{font-family:' . $line . '}}'; - break; - } - - $this->scope->children[] = $annotation; - } - - $this->scope->children[] = $out; - - if (count($block->children)) { - $out->selectors = $this->multiplySelectors($env, $block->selfParent); - - $this->compileChildrenNoReturn($block->children, $out); - } - - $this->formatter->stripSemicolon($out->lines); - - $this->popEnv(); - } - - /** - * Compile root level comment - * - * @param array $block - */ - protected function compileComment($block) - { - $out = $this->makeOutputBlock(Type::T_COMMENT); - $out->lines[] = $block[1]; - $this->scope->children[] = $out; - } - - /** - * Evaluate selectors - * - * @param array $selectors - * - * @return array - */ - protected function evalSelectors($selectors) - { - $this->shouldEvaluate = false; - - $selectors = array_map([$this, 'evalSelector'], $selectors); - - // after evaluating interpolates, we might need a second pass - if ($this->shouldEvaluate) { - $buffer = $this->collapseSelectors($selectors); - $parser = $this->parserFactory(__METHOD__); - - if ($parser->parseSelector($buffer, $newSelectors)) { - $selectors = array_map([$this, 'evalSelector'], $newSelectors); - } - } - - return $selectors; - } - - /** - * Evaluate selector - * - * @param array $selector - * - * @return array - */ - protected function evalSelector($selector) - { - return array_map([$this, 'evalSelectorPart'], $selector); - } - - /** - * Evaluate selector part; replaces all the interpolates, stripping quotes - * - * @param array $part - * - * @return array - */ - protected function evalSelectorPart($part) - { - foreach ($part as &$p) { - if (is_array($p) && ($p[0] === Type::T_INTERPOLATE || $p[0] === Type::T_STRING)) { - $p = $this->compileValue($p); - - // force re-evaluation - if (strpos($p, '&') !== false || strpos($p, ',') !== false) { - $this->shouldEvaluate = true; - } - } elseif (is_string($p) && strlen($p) >= 2 && - ($first = $p[0]) && ($first === '"' || $first === "'") && - substr($p, -1) === $first - ) { - $p = substr($p, 1, -1); - } - } - - return $this->flattenSelectorSingle($part); - } - - /** - * Collapse selectors - * - * @param array $selectors - * - * @return string - */ - protected function collapseSelectors($selectors) - { - $parts = []; - - foreach ($selectors as $selector) { - $output = ''; - - array_walk_recursive( - $selector, - function ($value, $key) use (&$output) { - $output .= $value; - } - ); - - $parts[] = $output; - } - - return implode(', ', $parts); - } - - /** - * Flatten selector single; joins together .classes and #ids - * - * @param array $single - * - * @return array - */ - protected function flattenSelectorSingle($single) - { - $joined = []; - - foreach ($single as $part) { - if (empty($joined) || - ! is_string($part) || - preg_match('/[\[.:#%]/', $part) - ) { - $joined[] = $part; - continue; - } - - if (is_array(end($joined))) { - $joined[] = $part; - } else { - $joined[count($joined) - 1] .= $part; - } - } - - return $joined; - } - - /** - * Compile selector to string; self(&) should have been replaced by now - * - * @param string|array $selector - * - * @return string - */ - protected function compileSelector($selector) - { - if (! is_array($selector)) { - return $selector; // media and the like - } - - return implode( - ' ', - array_map( - [$this, 'compileSelectorPart'], - $selector - ) - ); - } - - /** - * Compile selector part - * - * @param array $piece - * - * @return string - */ - protected function compileSelectorPart($piece) - { - foreach ($piece as &$p) { - if (! is_array($p)) { - continue; - } - - switch ($p[0]) { - case Type::T_SELF: - $p = '&'; - break; - - default: - $p = $this->compileValue($p); - break; - } - } - - return implode($piece); - } - - /** - * Has selector placeholder? - * - * @param array $selector - * - * @return boolean - */ - protected function hasSelectorPlaceholder($selector) - { - if (! is_array($selector)) { - return false; - } - - foreach ($selector as $parts) { - foreach ($parts as $part) { - if (strlen($part) && '%' === $part[0]) { - return true; - } - } - } - - return false; - } - - /** - * Compile children and return result - * - * @param array $stms - * @param \Leafo\ScssPhp\Formatter\OutputBlock $out - * - * @return array|null - */ - protected function compileChildren($stms, OutputBlock $out) - { - foreach ($stms as $stm) { - $ret = $this->compileChild($stm, $out); - - if (isset($ret)) { - return $ret; - } - } - return null; - } - - /** - * Compile children and throw exception if unexpected @return - * - * @param array $stms - * @param \Leafo\ScssPhp\Formatter\OutputBlock $out - * - * @throws \Exception - */ - protected function compileChildrenNoReturn($stms, OutputBlock $out) - { - foreach ($stms as $stm) { - $ret = $this->compileChild($stm, $out); - - if (isset($ret)) { - $this->throwError('@return may only be used within a function'); - - return; - } - } - } - - /** - * Compile media query - * - * @param array $queryList - * - * @return string - */ - protected function compileMediaQuery($queryList) - { - $out = '@media'; - $first = true; - - foreach ($queryList as $query) { - $type = null; - $parts = []; - - foreach ($query as $q) { - switch ($q[0]) { - case Type::T_MEDIA_TYPE: - if ($type) { - $type = $this->mergeMediaTypes( - $type, - array_map([$this, 'compileValue'], array_slice($q, 1)) - ); - - if (empty($type)) { // merge failed - return null; - } - } else { - $type = array_map([$this, 'compileValue'], array_slice($q, 1)); - } - break; - - case Type::T_MEDIA_EXPRESSION: - if (isset($q[2])) { - $parts[] = '(' - . $this->compileValue($q[1]) - . $this->formatter->assignSeparator - . $this->compileValue($q[2]) - . ')'; - } else { - $parts[] = '(' - . $this->compileValue($q[1]) - . ')'; - } - break; - - case Type::T_MEDIA_VALUE: - $parts[] = $this->compileValue($q[1]); - break; - } - } - - if ($type) { - array_unshift($parts, implode(' ', array_filter($type))); - } - - if (! empty($parts)) { - if ($first) { - $first = false; - $out .= ' '; - } else { - $out .= $this->formatter->tagSeparator; - } - - $out .= implode(' and ', $parts); - } - } - - return $out; - } - - protected function mergeDirectRelationships($selectors1, $selectors2) - { - if (empty($selectors1) || empty($selectors2)) { - return array_merge($selectors1, $selectors2); - } - - $part1 = end($selectors1); - $part2 = end($selectors2); - - if (! $this->isImmediateRelationshipCombinator($part1[0]) || $part1 !== $part2) { - return array_merge($selectors1, $selectors2); - } - - $merged = []; - - do { - $part1 = array_pop($selectors1); - $part2 = array_pop($selectors2); - - if ($this->isImmediateRelationshipCombinator($part1[0]) && $part1 !== $part2) { - $merged = array_merge($selectors1, [$part1], $selectors2, [$part2], $merged); - break; - } - - array_unshift($merged, $part1); - array_unshift($merged, [array_pop($selectors1)[0] . array_pop($selectors2)[0]]); - } while (! empty($selectors1) && ! empty($selectors2)); - - return $merged; - } - - /** - * Merge media types - * - * @param array $type1 - * @param array $type2 - * - * @return array|null - */ - protected function mergeMediaTypes($type1, $type2) - { - if (empty($type1)) { - return $type2; - } - - if (empty($type2)) { - return $type1; - } - - $m1 = ''; - $t1 = ''; - - if (count($type1) > 1) { - $m1= strtolower($type1[0]); - $t1= strtolower($type1[1]); - } else { - $t1 = strtolower($type1[0]); - } - - $m2 = ''; - $t2 = ''; - - if (count($type2) > 1) { - $m2 = strtolower($type2[0]); - $t2 = strtolower($type2[1]); - } else { - $t2 = strtolower($type2[0]); - } - - if (($m1 === Type::T_NOT) ^ ($m2 === Type::T_NOT)) { - if ($t1 === $t2) { - return null; - } - - return [ - $m1 === Type::T_NOT ? $m2 : $m1, - $m1 === Type::T_NOT ? $t2 : $t1, - ]; - } - - if ($m1 === Type::T_NOT && $m2 === Type::T_NOT) { - // CSS has no way of representing "neither screen nor print" - if ($t1 !== $t2) { - return null; - } - - return [Type::T_NOT, $t1]; - } - - if ($t1 !== $t2) { - return null; - } - - // t1 == t2, neither m1 nor m2 are "not" - return [empty($m1)? $m2 : $m1, $t1]; - } - - /** - * Compile import; returns true if the value was something that could be imported - * - * @param array $rawPath - * @param array $out - * @param boolean $once - * - * @return boolean - */ - protected function compileImport($rawPath, $out, $once = false) - { - if ($rawPath[0] === Type::T_STRING) { - $path = $this->compileStringContent($rawPath); - - if ($path = $this->findImport($path)) { - if (! $once || ! in_array($path, $this->importedFiles)) { - $this->importFile($path, $out); - $this->importedFiles[] = $path; - } - - return true; - } - - return false; - } - - if ($rawPath[0] === Type::T_LIST) { - // handle a list of strings - if (count($rawPath[2]) === 0) { - return false; - } - - foreach ($rawPath[2] as $path) { - if ($path[0] !== Type::T_STRING) { - return false; - } - } - - foreach ($rawPath[2] as $path) { - $this->compileImport($path, $out); - } - - return true; - } - - return false; - } - - /** - * Compile child; returns a value to halt execution - * - * @param array $child - * @param \Leafo\ScssPhp\Formatter\OutputBlock $out - * - * @return array - */ - protected function compileChild($child, OutputBlock $out) - { - $this->sourceIndex = isset($child[Parser::SOURCE_INDEX]) ? $child[Parser::SOURCE_INDEX] : null; - $this->sourceLine = isset($child[Parser::SOURCE_LINE]) ? $child[Parser::SOURCE_LINE] : -1; - $this->sourceColumn = isset($child[Parser::SOURCE_COLUMN]) ? $child[Parser::SOURCE_COLUMN] : -1; - - switch ($child[0]) { - case Type::T_SCSSPHP_IMPORT_ONCE: - $rawPath = $this->reduce($child[1]); - - if (! $this->compileImport($rawPath, $out, true)) { - $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';'; - } - break; - - case Type::T_IMPORT: - $rawPath = $this->reduce($child[1]); - - if (! $this->compileImport($rawPath, $out)) { - $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';'; - } - break; - - case Type::T_DIRECTIVE: - $this->compileDirective($child[1]); - break; - - case Type::T_AT_ROOT: - $this->compileAtRoot($child[1]); - break; - - case Type::T_MEDIA: - $this->compileMedia($child[1]); - break; - - case Type::T_BLOCK: - $this->compileBlock($child[1]); - break; - - case Type::T_CHARSET: - if (! $this->charsetSeen) { - $this->charsetSeen = true; - - $out->lines[] = '@charset ' . $this->compileValue($child[1]) . ';'; - } - break; - - case Type::T_ASSIGN: - list(, $name, $value) = $child; - - if ($name[0] === Type::T_VARIABLE) { - $flags = isset($child[3]) ? $child[3] : []; - $isDefault = in_array('!default', $flags); - $isGlobal = in_array('!global', $flags); - - if ($isGlobal) { - $this->set($name[1], $this->reduce($value), false, $this->rootEnv, $value); - break; - } - - $shouldSet = $isDefault && - (($result = $this->get($name[1], false)) === null - || $result === static::$null); - - if (! $isDefault || $shouldSet) { - $this->set($name[1], $this->reduce($value), false, null, $value); - } - break; - } - - $compiledName = $this->compileValue($name); - - // handle shorthand syntax: size / line-height - if ($compiledName === 'font') { - if ($value[0] === Type::T_VARIABLE) { - // if the font value comes from variable, the content is already reduced (which means formulars where already calculated) - // so we need the original unreduced value - $value = $this->get($value[1], true, null, true); - } - - $fontValue=&$value; - if ($value[0] === Type::T_LIST && $value[1]==',') { - // this is the case if more than one font is given: example: "font: 400 1em/1.3 arial,helvetica" - // we need to handle the first list element - $fontValue=&$value[2][0]; - } - - if ($fontValue[0] === Type::T_EXPRESSION && $fontValue[1] === '/') { - $fontValue = $this->expToString($fontValue); - } elseif ($fontValue[0] === Type::T_LIST) { - foreach ($fontValue[2] as &$item) { - if ($item[0] === Type::T_EXPRESSION && $item[1] === '/') { - $item = $this->expToString($item); - } - } - } - } - - // if the value reduces to null from something else then - // the property should be discarded - if ($value[0] !== Type::T_NULL) { - $value = $this->reduce($value); - - if ($value[0] === Type::T_NULL || $value === static::$nullString) { - break; - } - } - - $compiledValue = $this->compileValue($value); - - $out->lines[] = $this->formatter->property( - $compiledName, - $compiledValue - ); - break; - - case Type::T_COMMENT: - if ($out->type === Type::T_ROOT) { - $this->compileComment($child); - break; - } - - $out->lines[] = $child[1]; - break; - - case Type::T_MIXIN: - case Type::T_FUNCTION: - list(, $block) = $child; - - $this->set(static::$namespaces[$block->type] . $block->name, $block); - break; - - case Type::T_EXTEND: - foreach ($child[1] as $sel) { - $results = $this->evalSelectors([$sel]); - - foreach ($results as $result) { - // only use the first one - $result = current($result); - - $this->pushExtends($result, $out->selectors, $child); - } - } - break; - - case Type::T_IF: - list(, $if) = $child; - - if ($this->isTruthy($this->reduce($if->cond, true))) { - return $this->compileChildren($if->children, $out); - } - - foreach ($if->cases as $case) { - if ($case->type === Type::T_ELSE || - $case->type === Type::T_ELSEIF && $this->isTruthy($this->reduce($case->cond)) - ) { - return $this->compileChildren($case->children, $out); - } - } - break; - - case Type::T_EACH: - list(, $each) = $child; - - $list = $this->coerceList($this->reduce($each->list)); - - $this->pushEnv(); - - foreach ($list[2] as $item) { - if (count($each->vars) === 1) { - $this->set($each->vars[0], $item, true); - } else { - list(,, $values) = $this->coerceList($item); - - foreach ($each->vars as $i => $var) { - $this->set($var, isset($values[$i]) ? $values[$i] : static::$null, true); - } - } - - $ret = $this->compileChildren($each->children, $out); - - if ($ret) { - if ($ret[0] !== Type::T_CONTROL) { - $this->popEnv(); - - return $ret; - } - - if ($ret[1]) { - break; - } - } - } - - $this->popEnv(); - break; - - case Type::T_WHILE: - list(, $while) = $child; - - while ($this->isTruthy($this->reduce($while->cond, true))) { - $ret = $this->compileChildren($while->children, $out); - - if ($ret) { - if ($ret[0] !== Type::T_CONTROL) { - return $ret; - } - - if ($ret[1]) { - break; - } - } - } - break; - - case Type::T_FOR: - list(, $for) = $child; - - $start = $this->reduce($for->start, true); - $end = $this->reduce($for->end, true); - - if (! ($start[2] == $end[2] || $end->unitless())) { - $this->throwError('Incompatible units: "%s" and "%s".', $start->unitStr(), $end->unitStr()); - - break; - } - - $unit = $start[2]; - $start = $start[1]; - $end = $end[1]; - - $d = $start < $end ? 1 : -1; - - for (;;) { - if ((! $for->until && $start - $d == $end) || - ($for->until && $start == $end) - ) { - break; - } - - $this->set($for->var, new Node\Number($start, $unit)); - $start += $d; - - $ret = $this->compileChildren($for->children, $out); - - if ($ret) { - if ($ret[0] !== Type::T_CONTROL) { - return $ret; - } - - if ($ret[1]) { - break; - } - } - } - break; - - case Type::T_BREAK: - return [Type::T_CONTROL, true]; - - case Type::T_CONTINUE: - return [Type::T_CONTROL, false]; - - case Type::T_RETURN: - return $this->reduce($child[1], true); - - case Type::T_NESTED_PROPERTY: - list(, $prop) = $child; - - $prefixed = []; - $prefix = $this->compileValue($prop->prefix) . '-'; - - foreach ($prop->children as $child) { - switch ($child[0]) { - case Type::T_ASSIGN: - array_unshift($child[1][2], $prefix); - break; - - case Type::T_NESTED_PROPERTY: - array_unshift($child[1]->prefix[2], $prefix); - break; - } - - $prefixed[] = $child; - } - - $this->compileChildrenNoReturn($prefixed, $out); - break; - - case Type::T_INCLUDE: - // including a mixin - list(, $name, $argValues, $content) = $child; - - $mixin = $this->get(static::$namespaces['mixin'] . $name, false); - - if (! $mixin) { - $this->throwError("Undefined mixin $name"); - break; - } - - $callingScope = $this->getStoreEnv(); - - // push scope, apply args - $this->pushEnv(); - $this->env->depth--; - - $storeEnv = $this->storeEnv; - $this->storeEnv = $this->env; - - if (isset($content)) { - $content->scope = $callingScope; - - $this->setRaw(static::$namespaces['special'] . 'content', $content, $this->env); - } - - if (isset($mixin->args)) { - $this->applyArguments($mixin->args, $argValues); - } - - $this->env->marker = 'mixin'; - - $this->compileChildrenNoReturn($mixin->children, $out); - - $this->storeEnv = $storeEnv; - - $this->popEnv(); - break; - - case Type::T_MIXIN_CONTENT: - $content = $this->get(static::$namespaces['special'] . 'content', false, $this->getStoreEnv()) - ?: $this->get(static::$namespaces['special'] . 'content', false, $this->env); - - if (! $content) { - $content = new \stdClass(); - $content->scope = new \stdClass(); - $content->children = $this->storeEnv->parent->block->children; - break; - } - - $storeEnv = $this->storeEnv; - $this->storeEnv = $content->scope; - - $this->compileChildrenNoReturn($content->children, $out); - - $this->storeEnv = $storeEnv; - break; - - case Type::T_DEBUG: - list(, $value) = $child; - - $fname = $this->sourceNames[$this->sourceIndex]; - $line = $this->sourceLine; - $value = $this->compileValue($this->reduce($value, true)); - fwrite($this->stderr, "File $fname on line $line DEBUG: $value\n"); - break; - - case Type::T_WARN: - list(, $value) = $child; - - $fname = $this->sourceNames[$this->sourceIndex]; - $line = $this->sourceLine; - $value = $this->compileValue($this->reduce($value, true)); - fwrite($this->stderr, "File $fname on line $line WARN: $value\n"); - break; - - case Type::T_ERROR: - list(, $value) = $child; - - $fname = $this->sourceNames[$this->sourceIndex]; - $line = $this->sourceLine; - $value = $this->compileValue($this->reduce($value, true)); - $this->throwError("File $fname on line $line ERROR: $value\n"); - break; - - case Type::T_CONTROL: - $this->throwError('@break/@continue not permitted in this scope'); - break; - - default: - $this->throwError("unknown child type: $child[0]"); - } - } - - /** - * Reduce expression to string - * - * @param array $exp - * - * @return array - */ - protected function expToString($exp) - { - list(, $op, $left, $right, /* $inParens */, $whiteLeft, $whiteRight) = $exp; - - $content = [$this->reduce($left)]; - - if ($whiteLeft) { - $content[] = ' '; - } - - $content[] = $op; - - if ($whiteRight) { - $content[] = ' '; - } - - $content[] = $this->reduce($right); - - return [Type::T_STRING, '', $content]; - } - - /** - * Is truthy? - * - * @param array $value - * - * @return array - */ - protected function isTruthy($value) - { - return $value !== static::$false && $value !== static::$null; - } - - /** - * Is the value a direct relationship combinator? - * - * @param string $value - * - * @return boolean - */ - protected function isImmediateRelationshipCombinator($value) - { - return $value === '>' || $value === '+' || $value === '~'; - } - - /** - * Should $value cause its operand to eval - * - * @param array $value - * - * @return boolean - */ - protected function shouldEval($value) - { - switch ($value[0]) { - case Type::T_EXPRESSION: - if ($value[1] === '/') { - return $this->shouldEval($value[2]) || $this->shouldEval($value[3]); - } - - // fall-thru - case Type::T_VARIABLE: - case Type::T_FUNCTION_CALL: - return true; - } - - return false; - } - - /** - * Reduce value - * - * @param array $value - * @param boolean $inExp - * - * @return array|\Leafo\ScssPhp\Node\Number - */ - protected function reduce($value, $inExp = false) - { - if ($value === null) { - return $value; - } - - switch ($value[0]) { - case Type::T_EXPRESSION: - list(, $op, $left, $right, $inParens) = $value; - - $opName = isset(static::$operatorNames[$op]) ? static::$operatorNames[$op] : $op; - $inExp = $inExp || $this->shouldEval($left) || $this->shouldEval($right); - - $left = $this->reduce($left, true); - - if ($op !== 'and' && $op !== 'or') { - $right = $this->reduce($right, true); - } - - // special case: looks like css shorthand - if ($opName == 'div' && ! $inParens && ! $inExp && isset($right[2]) - && (($right[0] !== Type::T_NUMBER && $right[2] != '') - || ($right[0] === Type::T_NUMBER && ! $right->unitless())) - ) { - return $this->expToString($value); - } - - $left = $this->coerceForExpression($left); - $right = $this->coerceForExpression($right); - - $ltype = $left[0]; - $rtype = $right[0]; - - $ucOpName = ucfirst($opName); - $ucLType = ucfirst($ltype); - $ucRType = ucfirst($rtype); - - // this tries: - // 1. op[op name][left type][right type] - // 2. op[left type][right type] (passing the op as first arg - // 3. op[op name] - $fn = "op${ucOpName}${ucLType}${ucRType}"; - - if (is_callable([$this, $fn]) || - (($fn = "op${ucLType}${ucRType}") && - is_callable([$this, $fn]) && - $passOp = true) || - (($fn = "op${ucOpName}") && - is_callable([$this, $fn]) && - $genOp = true) - ) { - $coerceUnit = false; - - if (! isset($genOp) && - $left[0] === Type::T_NUMBER && $right[0] === Type::T_NUMBER - ) { - $coerceUnit = true; - - switch ($opName) { - case 'mul': - $targetUnit = $left[2]; - - foreach ($right[2] as $unit => $exp) { - $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) + $exp; - } - break; - - case 'div': - $targetUnit = $left[2]; - - foreach ($right[2] as $unit => $exp) { - $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) - $exp; - } - break; - - case 'mod': - $targetUnit = $left[2]; - break; - - default: - $targetUnit = $left->unitless() ? $right[2] : $left[2]; - } - - if (! $left->unitless() && ! $right->unitless()) { - $left = $left->normalize(); - $right = $right->normalize(); - } - } - - $shouldEval = $inParens || $inExp; - - if (isset($passOp)) { - $out = $this->$fn($op, $left, $right, $shouldEval); - } else { - $out = $this->$fn($left, $right, $shouldEval); - } - - if (isset($out)) { - if ($coerceUnit && $out[0] === Type::T_NUMBER) { - $out = $out->coerce($targetUnit); - } - - return $out; - } - } - - return $this->expToString($value); - - case Type::T_UNARY: - list(, $op, $exp, $inParens) = $value; - - $inExp = $inExp || $this->shouldEval($exp); - $exp = $this->reduce($exp); - - if ($exp[0] === Type::T_NUMBER) { - switch ($op) { - case '+': - return new Node\Number($exp[1], $exp[2]); - - case '-': - return new Node\Number(-$exp[1], $exp[2]); - } - } - - if ($op === 'not') { - if ($inExp || $inParens) { - if ($exp === static::$false || $exp === static::$null) { - return static::$true; - } - - return static::$false; - } - - $op = $op . ' '; - } - - return [Type::T_STRING, '', [$op, $exp]]; - - case Type::T_VARIABLE: - return $this->reduce($this->get($value[1])); - - case Type::T_LIST: - foreach ($value[2] as &$item) { - $item = $this->reduce($item); - } - - return $value; - - case Type::T_MAP: - foreach ($value[1] as &$item) { - $item = $this->reduce($item); - } - - foreach ($value[2] as &$item) { - $item = $this->reduce($item); - } - - return $value; - - case Type::T_STRING: - foreach ($value[2] as &$item) { - if (is_array($item) || $item instanceof \ArrayAccess) { - $item = $this->reduce($item); - } - } - - return $value; - - case Type::T_INTERPOLATE: - $value[1] = $this->reduce($value[1]); - - return $value; - - case Type::T_FUNCTION_CALL: - return $this->fncall($value[1], $value[2]); - - default: - return $value; - } - } - - /** - * Function caller - * - * @param string $name - * @param array $argValues - * - * @return array|null - */ - protected function fncall($name, $argValues) - { - // SCSS @function - if ($this->callScssFunction($name, $argValues, $returnValue)) { - return $returnValue; - } - - // native PHP functions - if ($this->callNativeFunction($name, $argValues, $returnValue)) { - return $returnValue; - } - - // for CSS functions, simply flatten the arguments into a list - $listArgs = []; - - foreach ((array) $argValues as $arg) { - if (empty($arg[0])) { - $listArgs[] = $this->reduce($arg[1]); - } - } - - return [Type::T_FUNCTION, $name, [Type::T_LIST, ',', $listArgs]]; - } - - /** - * Normalize name - * - * @param string $name - * - * @return string - */ - protected function normalizeName($name) - { - return str_replace('-', '_', $name); - } - - /** - * Normalize value - * - * @param array $value - * - * @return array - */ - public function normalizeValue($value) - { - $value = $this->coerceForExpression($this->reduce($value)); - - switch ($value[0]) { - case Type::T_LIST: - $value = $this->extractInterpolation($value); - - if ($value[0] !== Type::T_LIST) { - return [Type::T_KEYWORD, $this->compileValue($value)]; - } - - foreach ($value[2] as $key => $item) { - $value[2][$key] = $this->normalizeValue($item); - } - - return $value; - - case Type::T_STRING: - return [$value[0], '"', [$this->compileStringContent($value)]]; - - case Type::T_NUMBER: - return $value->normalize(); - - case Type::T_INTERPOLATE: - return [Type::T_KEYWORD, $this->compileValue($value)]; - - default: - return $value; - } - } - - /** - * Add numbers - * - * @param array $left - * @param array $right - * - * @return \Leafo\ScssPhp\Node\Number - */ - protected function opAddNumberNumber($left, $right) - { - return new Node\Number($left[1] + $right[1], $left[2]); - } - - /** - * Multiply numbers - * - * @param array $left - * @param array $right - * - * @return \Leafo\ScssPhp\Node\Number - */ - protected function opMulNumberNumber($left, $right) - { - return new Node\Number($left[1] * $right[1], $left[2]); - } - - /** - * Subtract numbers - * - * @param array $left - * @param array $right - * - * @return \Leafo\ScssPhp\Node\Number - */ - protected function opSubNumberNumber($left, $right) - { - return new Node\Number($left[1] - $right[1], $left[2]); - } - - /** - * Divide numbers - * - * @param array $left - * @param array $right - * - * @return array|\Leafo\ScssPhp\Node\Number - */ - protected function opDivNumberNumber($left, $right) - { - if ($right[1] == 0) { - return [Type::T_STRING, '', [$left[1] . $left[2] . '/' . $right[1] . $right[2]]]; - } - - return new Node\Number($left[1] / $right[1], $left[2]); - } - - /** - * Mod numbers - * - * @param array $left - * @param array $right - * - * @return \Leafo\ScssPhp\Node\Number - */ - protected function opModNumberNumber($left, $right) - { - return new Node\Number($left[1] % $right[1], $left[2]); - } - - /** - * Add strings - * - * @param array $left - * @param array $right - * - * @return array|null - */ - protected function opAdd($left, $right) - { - if ($strLeft = $this->coerceString($left)) { - if ($right[0] === Type::T_STRING) { - $right[1] = ''; - } - - $strLeft[2][] = $right; - - return $strLeft; - } - - if ($strRight = $this->coerceString($right)) { - if ($left[0] === Type::T_STRING) { - $left[1] = ''; - } - - array_unshift($strRight[2], $left); - - return $strRight; - } - return null; - } - - /** - * Boolean and - * - * @param array $left - * @param array $right - * @param boolean $shouldEval - * - * @return array|null - */ - protected function opAnd($left, $right, $shouldEval) - { - if (! $shouldEval) { - return null; - } - - if ($left !== static::$false and $left !== static::$null) { - return $this->reduce($right, true); - } - - return $left; - } - - /** - * Boolean or - * - * @param array $left - * @param array $right - * @param boolean $shouldEval - * - * @return array|null - */ - protected function opOr($left, $right, $shouldEval) - { - if (! $shouldEval) { - return null; - } - - if ($left !== static::$false and $left !== static::$null) { - return $left; - } - - return $this->reduce($right, true); - } - - /** - * Compare colors - * - * @param string $op - * @param array $left - * @param array $right - * - * @return array - */ - protected function opColorColor($op, $left, $right) - { - $out = [Type::T_COLOR]; - - foreach ([1, 2, 3] as $i) { - $lval = isset($left[$i]) ? $left[$i] : 0; - $rval = isset($right[$i]) ? $right[$i] : 0; - - switch ($op) { - case '+': - $out[] = $lval + $rval; - break; - - case '-': - $out[] = $lval - $rval; - break; - - case '*': - $out[] = $lval * $rval; - break; - - case '%': - $out[] = $lval % $rval; - break; - - case '/': - if ($rval == 0) { - $this->throwError("color: Can't divide by zero"); - break 2; - } - - $out[] = (int) ($lval / $rval); - break; - - case '==': - return $this->opEq($left, $right); - - case '!=': - return $this->opNeq($left, $right); - - default: - $this->throwError("color: unknown op $op"); - break 2; - } - } - - if (isset($left[4])) { - $out[4] = $left[4]; - } elseif (isset($right[4])) { - $out[4] = $right[4]; - } - - return $this->fixColor($out); - } - - /** - * Compare color and number - * - * @param string $op - * @param array $left - * @param array $right - * - * @return array - */ - protected function opColorNumber($op, $left, $right) - { - $value = $right[1]; - - return $this->opColorColor( - $op, - $left, - [Type::T_COLOR, $value, $value, $value] - ); - } - - /** - * Compare number and color - * - * @param string $op - * @param array $left - * @param array $right - * - * @return array - */ - protected function opNumberColor($op, $left, $right) - { - $value = $left[1]; - - return $this->opColorColor( - $op, - [Type::T_COLOR, $value, $value, $value], - $right - ); - } - - /** - * Compare number1 == number2 - * - * @param array $left - * @param array $right - * - * @return array - */ - protected function opEq($left, $right) - { - if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) { - $lStr[1] = ''; - $rStr[1] = ''; - - $left = $this->compileValue($lStr); - $right = $this->compileValue($rStr); - } - - return $this->toBool($left === $right); - } - - /** - * Compare number1 != number2 - * - * @param array $left - * @param array $right - * - * @return array - */ - protected function opNeq($left, $right) - { - if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) { - $lStr[1] = ''; - $rStr[1] = ''; - - $left = $this->compileValue($lStr); - $right = $this->compileValue($rStr); - } - - return $this->toBool($left !== $right); - } - - /** - * Compare number1 >= number2 - * - * @param array $left - * @param array $right - * - * @return array - */ - protected function opGteNumberNumber($left, $right) - { - return $this->toBool($left[1] >= $right[1]); - } - - /** - * Compare number1 > number2 - * - * @param array $left - * @param array $right - * - * @return array - */ - protected function opGtNumberNumber($left, $right) - { - return $this->toBool($left[1] > $right[1]); - } - - /** - * Compare number1 <= number2 - * - * @param array $left - * @param array $right - * - * @return array - */ - protected function opLteNumberNumber($left, $right) - { - return $this->toBool($left[1] <= $right[1]); - } - - /** - * Compare number1 < number2 - * - * @param array $left - * @param array $right - * - * @return array - */ - protected function opLtNumberNumber($left, $right) - { - return $this->toBool($left[1] < $right[1]); - } - - /** - * Three-way comparison, aka spaceship operator - * - * @param array $left - * @param array $right - * - * @return \Leafo\ScssPhp\Node\Number - */ - protected function opCmpNumberNumber($left, $right) - { - $n = $left[1] - $right[1]; - - return new Node\Number($n ? $n / abs($n) : 0, ''); - } - - /** - * Cast to boolean - * - * @api - * - * @param mixed $thing - * - * @return array - */ - public function toBool($thing) - { - return $thing ? static::$true : static::$false; - } - - /** - * Compiles a primitive value into a CSS property value. - * - * Values in scssphp are typed by being wrapped in arrays, their format is - * typically: - * - * array(type, contents [, additional_contents]*) - * - * The input is expected to be reduced. This function will not work on - * things like expressions and variables. - * - * @api - * - * @param array $value - * - * @return string - */ - public function compileValue($value) - { - $value = $this->reduce($value); - - switch ($value[0]) { - case Type::T_KEYWORD: - return $value[1]; - - case Type::T_COLOR: - // [1] - red component (either number for a %) - // [2] - green component - // [3] - blue component - // [4] - optional alpha component - list(, $r, $g, $b) = $value; - - $r = round($r); - $g = round($g); - $b = round($b); - - if (count($value) === 5 && $value[4] !== 1) { // rgba - $a = new Node\Number($value[4], ''); - - return 'rgba(' . $r . ', ' . $g . ', ' . $b . ', ' . $a . ')'; - } - - $h = sprintf('#%02x%02x%02x', $r, $g, $b); - - // Converting hex color to short notation (e.g. #003399 to #039) - if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) { - $h = '#' . $h[1] . $h[3] . $h[5]; - } - - return $h; - - case Type::T_NUMBER: - return $value->output($this); - - case Type::T_STRING: - return $value[1] . $this->compileStringContent($value) . $value[1]; - - case Type::T_FUNCTION: - $args = ! empty($value[2]) ? $this->compileValue($value[2]) : ''; - - return "$value[1]($args)"; - - case Type::T_LIST: - $value = $this->extractInterpolation($value); - - if ($value[0] !== Type::T_LIST) { - return $this->compileValue($value); - } - - list(, $delim, $items) = $value; - - if ($delim !== ' ') { - $delim .= ' '; - } - - $filtered = []; - - foreach ($items as $item) { - if ($item[0] === Type::T_NULL) { - continue; - } - - $filtered[] = $this->compileValue($item); - } - - return implode("$delim", $filtered); - - case Type::T_MAP: - $keys = $value[1]; - $values = $value[2]; - $filtered = []; - - for ($i = 0, $s = count($keys); $i < $s; $i++) { - $filtered[$this->compileValue($keys[$i])] = $this->compileValue($values[$i]); - } - - array_walk($filtered, function (&$value, $key) { - $value = $key . ': ' . $value; - }); - - return '(' . implode(', ', $filtered) . ')'; - - case Type::T_INTERPOLATED: - // node created by extractInterpolation - list(, $interpolate, $left, $right) = $value; - list(,, $whiteLeft, $whiteRight) = $interpolate; - - $left = count($left[2]) > 0 ? - $this->compileValue($left) . $whiteLeft : ''; - - $right = count($right[2]) > 0 ? - $whiteRight . $this->compileValue($right) : ''; - - return $left . $this->compileValue($interpolate) . $right; - - case Type::T_INTERPOLATE: - // strip quotes if it's a string - $reduced = $this->reduce($value[1]); - - switch ($reduced[0]) { - case Type::T_LIST: - $reduced = $this->extractInterpolation($reduced); - - if ($reduced[0] !== Type::T_LIST) { - break; - } - - list(, $delim, $items) = $reduced; - - if ($delim !== ' ') { - $delim .= ' '; - } - - $filtered = []; - - foreach ($items as $item) { - if ($item[0] === Type::T_NULL) { - continue; - } - - $temp = $this->compileValue([Type::T_KEYWORD, $item]); - if ($temp[0] === Type::T_STRING) { - $filtered[] = $this->compileStringContent($temp); - } elseif ($temp[0] === Type::T_KEYWORD) { - $filtered[] = $temp[1]; - } else { - $filtered[] = $this->compileValue($temp); - } - } - - $reduced = [Type::T_KEYWORD, implode("$delim", $filtered)]; - break; - - case Type::T_STRING: - $reduced = [Type::T_KEYWORD, $this->compileStringContent($reduced)]; - break; - - case Type::T_NULL: - $reduced = [Type::T_KEYWORD, '']; - } - - return $this->compileValue($reduced); - - case Type::T_NULL: - return 'null'; - - default: - $this->throwError("unknown value type: $value[0]"); - } - } - - /** - * Flatten list - * - * @param array $list - * - * @return string - */ - protected function flattenList($list) - { - return $this->compileValue($list); - } - - /** - * Compile string content - * - * @param array $string - * - * @return string - */ - protected function compileStringContent($string) - { - $parts = []; - - foreach ($string[2] as $part) { - if (is_array($part) || $part instanceof \ArrayAccess) { - $parts[] = $this->compileValue($part); - } else { - $parts[] = $part; - } - } - - return implode($parts); - } - - /** - * Extract interpolation; it doesn't need to be recursive, compileValue will handle that - * - * @param array $list - * - * @return array - */ - protected function extractInterpolation($list) - { - $items = $list[2]; - - foreach ($items as $i => $item) { - if ($item[0] === Type::T_INTERPOLATE) { - $before = [Type::T_LIST, $list[1], array_slice($items, 0, $i)]; - $after = [Type::T_LIST, $list[1], array_slice($items, $i + 1)]; - - return [Type::T_INTERPOLATED, $item, $before, $after]; - } - } - - return $list; - } - - /** - * Find the final set of selectors - * - * @param \Leafo\ScssPhp\Compiler\Environment $env - * @param Leafo\ScssPhp\Block $selfParent - * - * @return array - */ - protected function multiplySelectors(Environment $env, $selfParent = null) - { - $envs = $this->compactEnv($env); - $selectors = []; - $parentSelectors = [[]]; - - $selfParentSelectors = null; - if (!is_null($selfParent) and $selfParent->selectors) { - $selfParentSelectors = $this->evalSelectors($selfParent->selectors); - } - - while ($env = array_pop($envs)) { - if (empty($env->selectors)) { - continue; - } - - $selectors = []; - - foreach ($env->selectors as $selector) { - foreach ($parentSelectors as $parent) { - $selectors[] = $this->joinSelectors($parent, $selector, $selfParentSelectors); - } - } - - $parentSelectors = $selectors; - } - - return $selectors; - } - - /** - * Join selectors; looks for & to replace, or append parent before child - * - * @param array $parent - * @param array $child - * @param array $selfParentSelectors - * @return array - */ - protected function joinSelectors($parent, $child, $selfParentSelectors = null) - { - $setSelf = false; - $out = []; - - foreach ($child as $part) { - $newPart = []; - - foreach ($part as $p) { - if ($p === static::$selfSelector) { - $setSelf = true; - if (is_null($selfParentSelectors)) { - $selfParentSelectors = $parent; - } - foreach ($selfParentSelectors as $i => $parentPart) { - if ($i > 0) { - $out[] = $newPart; - $newPart = []; - } - - foreach ($parentPart as $pp) { - $newPart[] = (is_array($pp) ? implode($pp) : $pp); - } - } - } else { - $newPart[] = $p; - } - } - - $out[] = $newPart; - } - - return $setSelf ? $out : array_merge($parent, $child); - } - - /** - * Multiply media - * - * @param \Leafo\ScssPhp\Compiler\Environment $env - * @param array $childQueries - * - * @return array - */ - protected function multiplyMedia(Environment $env = null, $childQueries = null) - { - if (! isset($env) || - ! empty($env->block->type) && $env->block->type !== Type::T_MEDIA - ) { - return $childQueries; - } - - // plain old block, skip - if (empty($env->block->type)) { - return $this->multiplyMedia($env->parent, $childQueries); - } - - $parentQueries = isset($env->block->queryList) - ? $env->block->queryList - : [[[Type::T_MEDIA_VALUE, $env->block->value]]]; - - if ($childQueries === null) { - $childQueries = $parentQueries; - } else { - $originalQueries = $childQueries; - $childQueries = []; - - foreach ($parentQueries as $parentQuery) { - foreach ($originalQueries as $childQuery) { - $childQueries []= array_merge($parentQuery, $childQuery); - } - } - } - - return $this->multiplyMedia($env->parent, $childQueries); - } - - /** - * Convert env linked list to stack - * - * @param \Leafo\ScssPhp\Compiler\Environment $env - * - * @return array - */ - protected function compactEnv(Environment $env) - { - for ($envs = []; $env; $env = $env->parent) { - $envs[] = $env; - } - - return $envs; - } - - /** - * Convert env stack to singly linked list - * - * @param array $envs - * - * @return \Leafo\ScssPhp\Compiler\Environment - */ - protected function extractEnv($envs) - { - for ($env = null; $e = array_pop($envs);) { - $e->parent = $env; - $env = $e; - } - - return $env; - } - - /** - * Push environment - * - * @param \Leafo\ScssPhp\Block $block - * - * @return \Leafo\ScssPhp\Compiler\Environment - */ - protected function pushEnv(Block $block = null) - { - $env = new Environment; - $env->parent = $this->env; - $env->store = []; - $env->block = $block; - $env->depth = isset($this->env->depth) ? $this->env->depth + 1 : 0; - - $this->env = $env; - - return $env; - } - - /** - * Pop environment - */ - protected function popEnv() - { - $this->env = $this->env->parent; - } - - /** - * Get store environment - * - * @return \Leafo\ScssPhp\Compiler\Environment - */ - protected function getStoreEnv() - { - return isset($this->storeEnv) ? $this->storeEnv : $this->env; - } - - /** - * Set variable - * - * @param string $name - * @param mixed $value - * @param boolean $shadow - * @param \Leafo\ScssPhp\Compiler\Environment $env - * @param mixed $valueUnreduced - */ - protected function set($name, $value, $shadow = false, Environment $env = null, $valueUnreduced = null) - { - $name = $this->normalizeName($name); - - if (! isset($env)) { - $env = $this->getStoreEnv(); - } - - if ($shadow) { - $this->setRaw($name, $value, $env, $valueUnreduced); - } else { - $this->setExisting($name, $value, $env, $valueUnreduced); - } - } - - /** - * Set existing variable - * - * @param string $name - * @param mixed $value - * @param \Leafo\ScssPhp\Compiler\Environment $env - * @param mixed $valueUnreduced - */ - protected function setExisting($name, $value, Environment $env, $valueUnreduced = null) - { - $storeEnv = $env; - - $hasNamespace = $name[0] === '^' || $name[0] === '@' || $name[0] === '%'; - - for (;;) { - if (array_key_exists($name, $env->store)) { - break; - } - - if (! $hasNamespace && isset($env->marker)) { - $env = $storeEnv; - break; - } - - if (! isset($env->parent)) { - $env = $storeEnv; - break; - } - - $env = $env->parent; - } - - $env->store[$name] = $value; - if ($valueUnreduced) { - $env->storeUnreduced[$name] = $valueUnreduced; - } - } - - /** - * Set raw variable - * - * @param string $name - * @param mixed $value - * @param \Leafo\ScssPhp\Compiler\Environment $env - * @param mixed $valueUnreduced - */ - protected function setRaw($name, $value, Environment $env, $valueUnreduced = null) - { - $env->store[$name] = $value; - if ($valueUnreduced) { - $env->storeUnreduced[$name] = $valueUnreduced; - } - } - - /** - * Get variable - * - * @api - * - * @param string $name - * @param boolean $shouldThrow - * @param \Leafo\ScssPhp\Compiler\Environment $env - * @param boolean $unreduced - * - * @return mixed|null - */ - public function get($name, $shouldThrow = true, Environment $env = null, $unreduced = false) - { - $normalizedName = $this->normalizeName($name); - $specialContentKey = static::$namespaces['special'] . 'content'; - - if (! isset($env)) { - $env = $this->getStoreEnv(); - } - - $nextIsRoot = false; - $hasNamespace = $normalizedName[0] === '^' || $normalizedName[0] === '@' || $normalizedName[0] === '%'; - - for (;;) { - if (array_key_exists($normalizedName, $env->store)) { - if ($unreduced && isset($env->storeUnreduced[$normalizedName])) { - return $env->storeUnreduced[$normalizedName]; - } - return $env->store[$normalizedName]; - } - - if (! $hasNamespace && isset($env->marker)) { - if (! $nextIsRoot && ! empty($env->store[$specialContentKey])) { - $env = $env->store[$specialContentKey]->scope; - $nextIsRoot = true; - continue; - } - - $env = $this->rootEnv; - continue; - } - - if (! isset($env->parent)) { - break; - } - - $env = $env->parent; - } - - if ($shouldThrow) { - $this->throwError("Undefined variable \$$name"); - } - - // found nothing - return null; - } - - /** - * Has variable? - * - * @param string $name - * @param \Leafo\ScssPhp\Compiler\Environment $env - * - * @return boolean - */ - protected function has($name, Environment $env = null) - { - return $this->get($name, false, $env) !== null; - } - - /** - * Inject variables - * - * @param array $args - */ - protected function injectVariables(array $args) - { - if (empty($args)) { - return; - } - - $parser = $this->parserFactory(__METHOD__); - - foreach ($args as $name => $strValue) { - if ($name[0] === '$') { - $name = substr($name, 1); - } - - if (! $parser->parseValue($strValue, $value)) { - $value = $this->coerceValue($strValue); - } - - $this->set($name, $value); - } - } - - /** - * Set variables - * - * @api - * - * @param array $variables - */ - public function setVariables(array $variables) - { - $this->registeredVars = array_merge($this->registeredVars, $variables); - } - - /** - * Unset variable - * - * @api - * - * @param string $name - */ - public function unsetVariable($name) - { - unset($this->registeredVars[$name]); - } - - /** - * Returns list of variables - * - * @api - * - * @return array - */ - public function getVariables() - { - return $this->registeredVars; - } - - /** - * Adds to list of parsed files - * - * @api - * - * @param string $path - */ - public function addParsedFile($path) - { - if (isset($path) && file_exists($path)) { - $this->parsedFiles[realpath($path)] = filemtime($path); - } - } - - /** - * Returns list of parsed files - * - * @api - * - * @return array - */ - public function getParsedFiles() - { - return $this->parsedFiles; - } - - /** - * Add import path - * - * @api - * - * @param string|callable $path - */ - public function addImportPath($path) - { - if (! in_array($path, $this->importPaths)) { - $this->importPaths[] = $path; - } - } - - /** - * Set import paths - * - * @api - * - * @param string|array $path - */ - public function setImportPaths($path) - { - $this->importPaths = (array) $path; - } - - /** - * Set number precision - * - * @api - * - * @param integer $numberPrecision - */ - public function setNumberPrecision($numberPrecision) - { - Node\Number::$precision = $numberPrecision; - } - - /** - * Set formatter - * - * @api - * - * @param string $formatterName - */ - public function setFormatter($formatterName) - { - $this->formatter = $formatterName; - } - - /** - * Set line number style - * - * @api - * - * @param string $lineNumberStyle - */ - public function setLineNumberStyle($lineNumberStyle) - { - $this->lineNumberStyle = $lineNumberStyle; - } - - /** - * Enable/disable source maps - * - * @api - * - * @param integer $sourceMap - */ - public function setSourceMap($sourceMap) - { - $this->sourceMap = $sourceMap; - } - - /** - * Set source map options - * - * @api - * - * @param array $sourceMapOptions - */ - public function setSourceMapOptions($sourceMapOptions) - { - $this->sourceMapOptions = $sourceMapOptions; - } - - /** - * Register function - * - * @api - * - * @param string $name - * @param callable $func - * @param array $prototype - */ - public function registerFunction($name, $func, $prototype = null) - { - $this->userFunctions[$this->normalizeName($name)] = [$func, $prototype]; - } - - /** - * Unregister function - * - * @api - * - * @param string $name - */ - public function unregisterFunction($name) - { - unset($this->userFunctions[$this->normalizeName($name)]); - } - - /** - * Add feature - * - * @api - * - * @param string $name - */ - public function addFeature($name) - { - $this->registeredFeatures[$name] = true; - } - - /** - * Import file - * - * @param string $path - * @param array $out - */ - protected function importFile($path, $out) - { - // see if tree is cached - $realPath = realpath($path); - - if (isset($this->importCache[$realPath])) { - $this->handleImportLoop($realPath); - - $tree = $this->importCache[$realPath]; - } else { - $code = file_get_contents($path); - $parser = $this->parserFactory($path); - $tree = $parser->parse($code); - - $this->importCache[$realPath] = $tree; - } - - $pi = pathinfo($path); - array_unshift($this->importPaths, $pi['dirname']); - $this->compileChildrenNoReturn($tree->children, $out); - array_shift($this->importPaths); - } - - /** - * Return the file path for an import url if it exists - * - * @api - * - * @param string $url - * - * @return string|null - */ - public function findImport($url) - { - $urls = []; - - // for "normal" scss imports (ignore vanilla css and external requests) - if (! preg_match('/\.css$|^https?:\/\//', $url)) { - // try both normal and the _partial filename - $urls = [$url, preg_replace('/[^\/]+$/', '_\0', $url)]; - } - - $hasExtension = preg_match('/[.]s?css$/', $url); - - foreach ($this->importPaths as $dir) { - if (is_string($dir)) { - // check urls for normal import paths - foreach ($urls as $full) { - $separator = ( - !empty($dir) && - substr($dir, -1) !== '/' && - substr($full, 0, 1) !== '/' - ) ? '/' : ''; - $full = $dir . $separator . $full; - - if ($this->fileExists($file = $full . '.scss') || - ($hasExtension && $this->fileExists($file = $full)) - ) { - return $file; - } - } - } elseif (is_callable($dir)) { - // check custom callback for import path - $file = call_user_func($dir, $url); - - if ($file !== null) { - return $file; - } - } - } - - return null; - } - - /** - * Set encoding - * - * @api - * - * @param string $encoding - */ - public function setEncoding($encoding) - { - $this->encoding = $encoding; - } - - /** - * Ignore errors? - * - * @api - * - * @param boolean $ignoreErrors - * - * @return \Leafo\ScssPhp\Compiler - */ - public function setIgnoreErrors($ignoreErrors) - { - $this->ignoreErrors = $ignoreErrors; - return $this; - } - - /** - * Throw error (exception) - * - * @api - * - * @param string $msg Message with optional sprintf()-style vararg parameters - * - * @throws \Leafo\ScssPhp\Exception\CompilerException - */ - public function throwError($msg) - { - if ($this->ignoreErrors) { - return; - } - - if (func_num_args() > 1) { - $msg = call_user_func_array('sprintf', func_get_args()); - } - - $line = $this->sourceLine; - $loc = isset($this->sourceNames[$this->sourceIndex]) ? $this->sourceNames[$this->sourceIndex] . " on line $line" : "line: $line"; - $msg = "$msg: $loc"; - - throw new CompilerException($msg); - } - - /** - * Handle import loop - * - * @param string $name - * - * @throws \Exception - */ - protected function handleImportLoop($name) - { - for ($env = $this->env; $env; $env = $env->parent) { - $file = $this->sourceNames[$env->block->sourceIndex]; - - if (realpath($file) === $name) { - $this->throwError('An @import loop has been found: %s imports %s', $file, basename($file)); - break; - } - } - } - - /** - * Does file exist? - * - * @param string $name - * - * @return boolean - */ - protected function fileExists($name) - { - return file_exists($name) && is_file($name); - } - - /** - * Call SCSS @function - * - * @param string $name - * @param array $argValues - * @param array $returnValue - * - * @return boolean Returns true if returnValue is set; otherwise, false - */ - protected function callScssFunction($name, $argValues, &$returnValue) - { - $func = $this->get(static::$namespaces['function'] . $name, false); - - if (! $func) { - return false; - } - - $this->pushEnv(); - - $storeEnv = $this->storeEnv; - $this->storeEnv = $this->env; - - // set the args - if (isset($func->args)) { - $this->applyArguments($func->args, $argValues); - } - - // throw away lines and children - $tmp = new OutputBlock; - $tmp->lines = []; - $tmp->children = []; - - $this->env->marker = 'function'; - - $ret = $this->compileChildren($func->children, $tmp); - - $this->storeEnv = $storeEnv; - - $this->popEnv(); - - $returnValue = ! isset($ret) ? static::$defaultValue : $ret; - - return true; - } - - /** - * Call built-in and registered (PHP) functions - * - * @param string $name - * @param array $args - * @param array $returnValue - * - * @return boolean Returns true if returnValue is set; otherwise, false - */ - protected function callNativeFunction($name, $args, &$returnValue) - { - // try a lib function - $name = $this->normalizeName($name); - - if (isset($this->userFunctions[$name])) { - // see if we can find a user function - list($f, $prototype) = $this->userFunctions[$name]; - } elseif (($f = $this->getBuiltinFunction($name)) && is_callable($f)) { - $libName = $f[1]; - $prototype = isset(static::$$libName) ? static::$$libName : null; - } else { - return false; - } - - @list($sorted, $kwargs) = $this->sortArgs($prototype, $args); - - if ($name !== 'if' && $name !== 'call') { - foreach ($sorted as &$val) { - $val = $this->reduce($val, true); - } - } - - $returnValue = call_user_func($f, $sorted, $kwargs); - - if (! isset($returnValue)) { - return false; - } - - $returnValue = $this->coerceValue($returnValue); - - return true; - } - - /** - * Get built-in function - * - * @param string $name Normalized name - * - * @return array - */ - protected function getBuiltinFunction($name) - { - $libName = 'lib' . preg_replace_callback( - '/_(.)/', - function ($m) { - return ucfirst($m[1]); - }, - ucfirst($name) - ); - - return [$this, $libName]; - } - - /** - * Sorts keyword arguments - * - * @param array $prototype - * @param array $args - * - * @return array - */ - protected function sortArgs($prototype, $args) - { - $keyArgs = []; - $posArgs = []; - - // separate positional and keyword arguments - foreach ($args as $arg) { - list($key, $value) = $arg; - - $key = $key[1]; - - if (empty($key)) { - $posArgs[] = empty($arg[2]) ? $value : $arg; - } else { - $keyArgs[$key] = $value; - } - } - - if (! isset($prototype)) { - return [$posArgs, $keyArgs]; - } - - // copy positional args - $finalArgs = array_pad($posArgs, count($prototype), null); - - // overwrite positional args with keyword args - foreach ($prototype as $i => $names) { - foreach ((array) $names as $name) { - if (isset($keyArgs[$name])) { - $finalArgs[$i] = $keyArgs[$name]; - } - } - } - - return [$finalArgs, $keyArgs]; - } - - /** - * Apply argument values per definition - * - * @param array $argDef - * @param array $argValues - * - * @throws \Exception - */ - protected function applyArguments($argDef, $argValues) - { - $storeEnv = $this->getStoreEnv(); - - $env = new Environment; - $env->store = $storeEnv->store; - - $hasVariable = false; - $args = []; - - foreach ($argDef as $i => $arg) { - list($name, $default, $isVariable) = $argDef[$i]; - - $args[$name] = [$i, $name, $default, $isVariable]; - $hasVariable |= $isVariable; - } - - $keywordArgs = []; - $deferredKeywordArgs = []; - $remaining = []; - - // assign the keyword args - foreach ((array) $argValues as $arg) { - if (! empty($arg[0])) { - if (! isset($args[$arg[0][1]])) { - if ($hasVariable) { - $deferredKeywordArgs[$arg[0][1]] = $arg[1]; - } else { - $this->throwError("Mixin or function doesn't have an argument named $%s.", $arg[0][1]); - break; - } - } elseif ($args[$arg[0][1]][0] < count($remaining)) { - $this->throwError("The argument $%s was passed both by position and by name.", $arg[0][1]); - break; - } else { - $keywordArgs[$arg[0][1]] = $arg[1]; - } - } elseif (count($keywordArgs)) { - $this->throwError('Positional arguments must come before keyword arguments.'); - break; - } elseif ($arg[2] === true) { - $val = $this->reduce($arg[1], true); - - if ($val[0] === Type::T_LIST) { - foreach ($val[2] as $name => $item) { - if (! is_numeric($name)) { - $keywordArgs[$name] = $item; - } else { - $remaining[] = $item; - } - } - } elseif ($val[0] === Type::T_MAP) { - foreach ($val[1] as $i => $name) { - $name = $this->compileStringContent($this->coerceString($name)); - $item = $val[2][$i]; - - if (! is_numeric($name)) { - $keywordArgs[$name] = $item; - } else { - $remaining[] = $item; - } - } - } else { - $remaining[] = $val; - } - } else { - $remaining[] = $arg[1]; - } - } - - foreach ($args as $arg) { - list($i, $name, $default, $isVariable) = $arg; - - if ($isVariable) { - $val = [Type::T_LIST, ',', [], $isVariable]; - - for ($count = count($remaining); $i < $count; $i++) { - $val[2][] = $remaining[$i]; - } - - foreach ($deferredKeywordArgs as $itemName => $item) { - $val[2][$itemName] = $item; - } - } elseif (isset($remaining[$i])) { - $val = $remaining[$i]; - } elseif (isset($keywordArgs[$name])) { - $val = $keywordArgs[$name]; - } elseif (! empty($default)) { - continue; - } else { - $this->throwError("Missing argument $name"); - break; - } - - $this->set($name, $this->reduce($val, true), true, $env); - } - - $storeEnv->store = $env->store; - - foreach ($args as $arg) { - list($i, $name, $default, $isVariable) = $arg; - - if ($isVariable || isset($remaining[$i]) || isset($keywordArgs[$name]) || empty($default)) { - continue; - } - - $this->set($name, $this->reduce($default, true), true); - } - } - - /** - * Coerce a php value into a scss one - * - * @param mixed $value - * - * @return array|\Leafo\ScssPhp\Node\Number - */ - protected function coerceValue($value) - { - if (is_array($value) || $value instanceof \ArrayAccess) { - return $value; - } - - if (is_bool($value)) { - return $this->toBool($value); - } - - if ($value === null) { - return static::$null; - } - - if (is_numeric($value)) { - return new Node\Number($value, ''); - } - - if ($value === '') { - return static::$emptyString; - } - - if (preg_match('/^(#([0-9a-f]{6})|#([0-9a-f]{3}))$/i', $value, $m)) { - $color = [Type::T_COLOR]; - - if (isset($m[3])) { - $num = hexdec($m[3]); - - foreach ([3, 2, 1] as $i) { - $t = $num & 0xf; - $color[$i] = $t << 4 | $t; - $num >>= 4; - } - } else { - $num = hexdec($m[2]); - - foreach ([3, 2, 1] as $i) { - $color[$i] = $num & 0xff; - $num >>= 8; - } - } - - return $color; - } - - return [Type::T_KEYWORD, $value]; - } - - /** - * Coerce something to map - * - * @param array $item - * - * @return array - */ - protected function coerceMap($item) - { - if ($item[0] === Type::T_MAP) { - return $item; - } - - if ($item === static::$emptyList) { - return static::$emptyMap; - } - - return [Type::T_MAP, [$item], [static::$null]]; - } - - /** - * Coerce something to list - * - * @param array $item - * @param string $delim - * - * @return array - */ - protected function coerceList($item, $delim = ',') - { - if (isset($item) && $item[0] === Type::T_LIST) { - return $item; - } - - if (isset($item) && $item[0] === Type::T_MAP) { - $keys = $item[1]; - $values = $item[2]; - $list = []; - - for ($i = 0, $s = count($keys); $i < $s; $i++) { - $key = $keys[$i]; - $value = $values[$i]; - - $list[] = [ - Type::T_LIST, - '', - [[Type::T_KEYWORD, $this->compileStringContent($this->coerceString($key))], $value] - ]; - } - - return [Type::T_LIST, ',', $list]; - } - - return [Type::T_LIST, $delim, ! isset($item) ? []: [$item]]; - } - - /** - * Coerce color for expression - * - * @param array $value - * - * @return array|null - */ - protected function coerceForExpression($value) - { - if ($color = $this->coerceColor($value)) { - return $color; - } - - return $value; - } - - /** - * Coerce value to color - * - * @param array $value - * - * @return array|null - */ - protected function coerceColor($value) - { - switch ($value[0]) { - case Type::T_COLOR: - return $value; - - case Type::T_KEYWORD: - $name = strtolower($value[1]); - - if (isset(Colors::$cssColors[$name])) { - $rgba = explode(',', Colors::$cssColors[$name]); - - return isset($rgba[3]) - ? [Type::T_COLOR, (int) $rgba[0], (int) $rgba[1], (int) $rgba[2], (int) $rgba[3]] - : [Type::T_COLOR, (int) $rgba[0], (int) $rgba[1], (int) $rgba[2]]; - } - - return null; - } - - return null; - } - - /** - * Coerce value to string - * - * @param array $value - * - * @return array|null - */ - protected function coerceString($value) - { - if ($value[0] === Type::T_STRING) { - return $value; - } - - return [Type::T_STRING, '', [$this->compileValue($value)]]; - } - - /** - * Coerce value to a percentage - * - * @param array $value - * - * @return integer|float - */ - protected function coercePercent($value) - { - if ($value[0] === Type::T_NUMBER) { - if (! empty($value[2]['%'])) { - return $value[1] / 100; - } - - return $value[1]; - } - - return 0; - } - - /** - * Assert value is a map - * - * @api - * - * @param array $value - * - * @return array - * - * @throws \Exception - */ - public function assertMap($value) - { - $value = $this->coerceMap($value); - - if ($value[0] !== Type::T_MAP) { - $this->throwError('expecting map, %s received', $value[0]); - } - - return $value; - } - - /** - * Assert value is a list - * - * @api - * - * @param array $value - * - * @return array - * - * @throws \Exception - */ - public function assertList($value) - { - if ($value[0] !== Type::T_LIST) { - $this->throwError('expecting list, %s received', $value[0]); - } - - return $value; - } - - /** - * Assert value is a color - * - * @api - * - * @param array $value - * - * @return array - * - * @throws \Exception - */ - public function assertColor($value) - { - if ($color = $this->coerceColor($value)) { - return $color; - } - - $this->throwError('expecting color, %s received', $value[0]); - } - - /** - * Assert value is a number - * - * @api - * - * @param array $value - * - * @return integer|float - * - * @throws \Exception - */ - public function assertNumber($value) - { - if ($value[0] !== Type::T_NUMBER) { - $this->throwError('expecting number, %s received', $value[0]); - } - - return $value[1]; - } - - /** - * Make sure a color's components don't go out of bounds - * - * @param array $c - * - * @return array - */ - protected function fixColor($c) - { - foreach ([1, 2, 3] as $i) { - if ($c[$i] < 0) { - $c[$i] = 0; - } - - if ($c[$i] > 255) { - $c[$i] = 255; - } - } - - return $c; - } - - /** - * Convert RGB to HSL - * - * @api - * - * @param integer $red - * @param integer $green - * @param integer $blue - * - * @return array - */ - public function toHSL($red, $green, $blue) - { - $min = min($red, $green, $blue); - $max = max($red, $green, $blue); - - $l = $min + $max; - $d = $max - $min; - - if ((int) $d === 0) { - $h = $s = 0; - } else { - if ($l < 255) { - $s = $d / $l; - } else { - $s = $d / (510 - $l); - } - - if ($red == $max) { - $h = 60 * ($green - $blue) / $d; - } elseif ($green == $max) { - $h = 60 * ($blue - $red) / $d + 120; - } elseif ($blue == $max) { - $h = 60 * ($red - $green) / $d + 240; - } - } - - return [Type::T_HSL, fmod($h, 360), $s * 100, $l / 5.1]; - } - - /** - * Hue to RGB helper - * - * @param float $m1 - * @param float $m2 - * @param float $h - * - * @return float - */ - protected function hueToRGB($m1, $m2, $h) - { - if ($h < 0) { - $h += 1; - } elseif ($h > 1) { - $h -= 1; - } - - if ($h * 6 < 1) { - return $m1 + ($m2 - $m1) * $h * 6; - } - - if ($h * 2 < 1) { - return $m2; - } - - if ($h * 3 < 2) { - return $m1 + ($m2 - $m1) * (2/3 - $h) * 6; - } - - return $m1; - } - - /** - * Convert HSL to RGB - * - * @api - * - * @param integer $hue H from 0 to 360 - * @param integer $saturation S from 0 to 100 - * @param integer $lightness L from 0 to 100 - * - * @return array - */ - public function toRGB($hue, $saturation, $lightness) - { - if ($hue < 0) { - $hue += 360; - } - - $h = $hue / 360; - $s = min(100, max(0, $saturation)) / 100; - $l = min(100, max(0, $lightness)) / 100; - - $m2 = $l <= 0.5 ? $l * ($s + 1) : $l + $s - $l * $s; - $m1 = $l * 2 - $m2; - - $r = $this->hueToRGB($m1, $m2, $h + 1/3) * 255; - $g = $this->hueToRGB($m1, $m2, $h) * 255; - $b = $this->hueToRGB($m1, $m2, $h - 1/3) * 255; - - $out = [Type::T_COLOR, $r, $g, $b]; - - return $out; - } - - // Built in functions - - //protected static $libCall = ['name', 'args...']; - protected function libCall($args, $kwargs) - { - $name = $this->compileStringContent($this->coerceString($this->reduce(array_shift($args), true))); - - $posArgs = []; - - foreach ($args as $arg) { - if (empty($arg[0])) { - if ($arg[2] === true) { - $tmp = $this->reduce($arg[1]); - - if ($tmp[0] === Type::T_LIST) { - foreach ($tmp[2] as $item) { - $posArgs[] = [null, $item, false]; - } - } else { - $posArgs[] = [null, $tmp, true]; - } - - continue; - } - - $posArgs[] = [null, $this->reduce($arg), false]; - continue; - } - - $posArgs[] = [null, $arg, false]; - } - - if (count($kwargs)) { - foreach ($kwargs as $key => $value) { - $posArgs[] = [[Type::T_VARIABLE, $key], $value, false]; - } - } - - return $this->reduce([Type::T_FUNCTION_CALL, $name, $posArgs]); - } - - protected static $libIf = ['condition', 'if-true', 'if-false']; - protected function libIf($args) - { - list($cond, $t, $f) = $args; - - if (! $this->isTruthy($this->reduce($cond, true))) { - return $this->reduce($f, true); - } - - return $this->reduce($t, true); - } - - protected static $libIndex = ['list', 'value']; - protected function libIndex($args) - { - list($list, $value) = $args; - - if ($value[0] === Type::T_MAP) { - return static::$null; - } - - if ($list[0] === Type::T_MAP || - $list[0] === Type::T_STRING || - $list[0] === Type::T_KEYWORD || - $list[0] === Type::T_INTERPOLATE - ) { - $list = $this->coerceList($list, ' '); - } - - if ($list[0] !== Type::T_LIST) { - return static::$null; - } - - $values = []; - - foreach ($list[2] as $item) { - $values[] = $this->normalizeValue($item); - } - - $key = array_search($this->normalizeValue($value), $values); - - return false === $key ? static::$null : $key + 1; - } - - protected static $libRgb = ['red', 'green', 'blue']; - protected function libRgb($args) - { - list($r, $g, $b) = $args; - - return [Type::T_COLOR, $r[1], $g[1], $b[1]]; - } - - protected static $libRgba = [ - ['red', 'color'], - 'green', 'blue', 'alpha']; - protected function libRgba($args) - { - if ($color = $this->coerceColor($args[0])) { - $num = isset($args[3]) ? $args[3] : $args[1]; - $alpha = $this->assertNumber($num); - $color[4] = $alpha; - - return $color; - } - - list($r, $g, $b, $a) = $args; - - return [Type::T_COLOR, $r[1], $g[1], $b[1], $a[1]]; - } - - // helper function for adjust_color, change_color, and scale_color - protected function alterColor($args, $fn) - { - $color = $this->assertColor($args[0]); - - foreach ([1, 2, 3, 7] as $i) { - if (isset($args[$i])) { - $val = $this->assertNumber($args[$i]); - $ii = $i === 7 ? 4 : $i; // alpha - $color[$ii] = call_user_func($fn, isset($color[$ii]) ? $color[$ii] : 0, $val, $i); - } - } - - if (isset($args[4]) || isset($args[5]) || isset($args[6])) { - $hsl = $this->toHSL($color[1], $color[2], $color[3]); - - foreach ([4, 5, 6] as $i) { - if (isset($args[$i])) { - $val = $this->assertNumber($args[$i]); - $hsl[$i - 3] = call_user_func($fn, $hsl[$i - 3], $val, $i); - } - } - - $rgb = $this->toRGB($hsl[1], $hsl[2], $hsl[3]); - - if (isset($color[4])) { - $rgb[4] = $color[4]; - } - - $color = $rgb; - } - - return $color; - } - - protected static $libAdjustColor = [ - 'color', 'red', 'green', 'blue', - 'hue', 'saturation', 'lightness', 'alpha' - ]; - protected function libAdjustColor($args) - { - return $this->alterColor($args, function ($base, $alter, $i) { - return $base + $alter; - }); - } - - protected static $libChangeColor = [ - 'color', 'red', 'green', 'blue', - 'hue', 'saturation', 'lightness', 'alpha' - ]; - protected function libChangeColor($args) - { - return $this->alterColor($args, function ($base, $alter, $i) { - return $alter; - }); - } - - protected static $libScaleColor = [ - 'color', 'red', 'green', 'blue', - 'hue', 'saturation', 'lightness', 'alpha' - ]; - protected function libScaleColor($args) - { - return $this->alterColor($args, function ($base, $scale, $i) { - // 1, 2, 3 - rgb - // 4, 5, 6 - hsl - // 7 - a - switch ($i) { - case 1: - case 2: - case 3: - $max = 255; - break; - - case 4: - $max = 360; - break; - - case 7: - $max = 1; - break; - - default: - $max = 100; - } - - $scale = $scale / 100; - - if ($scale < 0) { - return $base * $scale + $base; - } - - return ($max - $base) * $scale + $base; - }); - } - - protected static $libIeHexStr = ['color']; - protected function libIeHexStr($args) - { - $color = $this->coerceColor($args[0]); - $color[4] = isset($color[4]) ? round(255 * $color[4]) : 255; - - return sprintf('#%02X%02X%02X%02X', $color[4], $color[1], $color[2], $color[3]); - } - - protected static $libRed = ['color']; - protected function libRed($args) - { - $color = $this->coerceColor($args[0]); - - return $color[1]; - } - - protected static $libGreen = ['color']; - protected function libGreen($args) - { - $color = $this->coerceColor($args[0]); - - return $color[2]; - } - - protected static $libBlue = ['color']; - protected function libBlue($args) - { - $color = $this->coerceColor($args[0]); - - return $color[3]; - } - - protected static $libAlpha = ['color']; - protected function libAlpha($args) - { - if ($color = $this->coerceColor($args[0])) { - return isset($color[4]) ? $color[4] : 1; - } - - // this might be the IE function, so return value unchanged - return null; - } - - protected static $libOpacity = ['color']; - protected function libOpacity($args) - { - $value = $args[0]; - - if ($value[0] === Type::T_NUMBER) { - return null; - } - - return $this->libAlpha($args); - } - - // mix two colors - protected static $libMix = ['color-1', 'color-2', 'weight']; - protected function libMix($args) - { - list($first, $second, $weight) = $args; - - $first = $this->assertColor($first); - $second = $this->assertColor($second); - - if (! isset($weight)) { - $weight = 0.5; - } else { - $weight = $this->coercePercent($weight); - } - - $firstAlpha = isset($first[4]) ? $first[4] : 1; - $secondAlpha = isset($second[4]) ? $second[4] : 1; - - $w = $weight * 2 - 1; - $a = $firstAlpha - $secondAlpha; - - $w1 = (($w * $a === -1 ? $w : ($w + $a) / (1 + $w * $a)) + 1) / 2.0; - $w2 = 1.0 - $w1; - - $new = [Type::T_COLOR, - $w1 * $first[1] + $w2 * $second[1], - $w1 * $first[2] + $w2 * $second[2], - $w1 * $first[3] + $w2 * $second[3], - ]; - - if ($firstAlpha != 1.0 || $secondAlpha != 1.0) { - $new[] = $firstAlpha * $weight + $secondAlpha * (1 - $weight); - } - - return $this->fixColor($new); - } - - protected static $libHsl = ['hue', 'saturation', 'lightness']; - protected function libHsl($args) - { - list($h, $s, $l) = $args; - - return $this->toRGB($h[1], $s[1], $l[1]); - } - - protected static $libHsla = ['hue', 'saturation', 'lightness', 'alpha']; - protected function libHsla($args) - { - list($h, $s, $l, $a) = $args; - - $color = $this->toRGB($h[1], $s[1], $l[1]); - $color[4] = $a[1]; - - return $color; - } - - protected static $libHue = ['color']; - protected function libHue($args) - { - $color = $this->assertColor($args[0]); - $hsl = $this->toHSL($color[1], $color[2], $color[3]); - - return new Node\Number($hsl[1], 'deg'); - } - - protected static $libSaturation = ['color']; - protected function libSaturation($args) - { - $color = $this->assertColor($args[0]); - $hsl = $this->toHSL($color[1], $color[2], $color[3]); - - return new Node\Number($hsl[2], '%'); - } - - protected static $libLightness = ['color']; - protected function libLightness($args) - { - $color = $this->assertColor($args[0]); - $hsl = $this->toHSL($color[1], $color[2], $color[3]); - - return new Node\Number($hsl[3], '%'); - } - - protected function adjustHsl($color, $idx, $amount) - { - $hsl = $this->toHSL($color[1], $color[2], $color[3]); - $hsl[$idx] += $amount; - $out = $this->toRGB($hsl[1], $hsl[2], $hsl[3]); - - if (isset($color[4])) { - $out[4] = $color[4]; - } - - return $out; - } - - protected static $libAdjustHue = ['color', 'degrees']; - protected function libAdjustHue($args) - { - $color = $this->assertColor($args[0]); - $degrees = $this->assertNumber($args[1]); - - return $this->adjustHsl($color, 1, $degrees); - } - - protected static $libLighten = ['color', 'amount']; - protected function libLighten($args) - { - $color = $this->assertColor($args[0]); - $amount = Util::checkRange('amount', new Range(0, 100), $args[1], '%'); - - return $this->adjustHsl($color, 3, $amount); - } - - protected static $libDarken = ['color', 'amount']; - protected function libDarken($args) - { - $color = $this->assertColor($args[0]); - $amount = Util::checkRange('amount', new Range(0, 100), $args[1], '%'); - - return $this->adjustHsl($color, 3, -$amount); - } - - protected static $libSaturate = ['color', 'amount']; - protected function libSaturate($args) - { - $value = $args[0]; - - if ($value[0] === Type::T_NUMBER) { - return null; - } - - $color = $this->assertColor($value); - $amount = 100 * $this->coercePercent($args[1]); - - return $this->adjustHsl($color, 2, $amount); - } - - protected static $libDesaturate = ['color', 'amount']; - protected function libDesaturate($args) - { - $color = $this->assertColor($args[0]); - $amount = 100 * $this->coercePercent($args[1]); - - return $this->adjustHsl($color, 2, -$amount); - } - - protected static $libGrayscale = ['color']; - protected function libGrayscale($args) - { - $value = $args[0]; - - if ($value[0] === Type::T_NUMBER) { - return null; - } - - return $this->adjustHsl($this->assertColor($value), 2, -100); - } - - protected static $libComplement = ['color']; - protected function libComplement($args) - { - return $this->adjustHsl($this->assertColor($args[0]), 1, 180); - } - - protected static $libInvert = ['color']; - protected function libInvert($args) - { - $value = $args[0]; - - if ($value[0] === Type::T_NUMBER) { - return null; - } - - $color = $this->assertColor($value); - $color[1] = 255 - $color[1]; - $color[2] = 255 - $color[2]; - $color[3] = 255 - $color[3]; - - return $color; - } - - // increases opacity by amount - protected static $libOpacify = ['color', 'amount']; - protected function libOpacify($args) - { - $color = $this->assertColor($args[0]); - $amount = $this->coercePercent($args[1]); - - $color[4] = (isset($color[4]) ? $color[4] : 1) + $amount; - $color[4] = min(1, max(0, $color[4])); - - return $color; - } - - protected static $libFadeIn = ['color', 'amount']; - protected function libFadeIn($args) - { - return $this->libOpacify($args); - } - - // decreases opacity by amount - protected static $libTransparentize = ['color', 'amount']; - protected function libTransparentize($args) - { - $color = $this->assertColor($args[0]); - $amount = $this->coercePercent($args[1]); - - $color[4] = (isset($color[4]) ? $color[4] : 1) - $amount; - $color[4] = min(1, max(0, $color[4])); - - return $color; - } - - protected static $libFadeOut = ['color', 'amount']; - protected function libFadeOut($args) - { - return $this->libTransparentize($args); - } - - protected static $libUnquote = ['string']; - protected function libUnquote($args) - { - $str = $args[0]; - - if ($str[0] === Type::T_STRING) { - $str[1] = ''; - } - - return $str; - } - - protected static $libQuote = ['string']; - protected function libQuote($args) - { - $value = $args[0]; - - if ($value[0] === Type::T_STRING && ! empty($value[1])) { - return $value; - } - - return [Type::T_STRING, '"', [$value]]; - } - - protected static $libPercentage = ['value']; - protected function libPercentage($args) - { - return new Node\Number($this->coercePercent($args[0]) * 100, '%'); - } - - protected static $libRound = ['value']; - protected function libRound($args) - { - $num = $args[0]; - - return new Node\Number(round($num[1]), $num[2]); - } - - protected static $libFloor = ['value']; - protected function libFloor($args) - { - $num = $args[0]; - - return new Node\Number(floor($num[1]), $num[2]); - } - - protected static $libCeil = ['value']; - protected function libCeil($args) - { - $num = $args[0]; - - return new Node\Number(ceil($num[1]), $num[2]); - } - - protected static $libAbs = ['value']; - protected function libAbs($args) - { - $num = $args[0]; - - return new Node\Number(abs($num[1]), $num[2]); - } - - protected function libMin($args) - { - $numbers = $this->getNormalizedNumbers($args); - $min = null; - - foreach ($numbers as $key => $number) { - if (null === $min || $number[1] <= $min[1]) { - $min = [$key, $number[1]]; - } - } - - return $args[$min[0]]; - } - - protected function libMax($args) - { - $numbers = $this->getNormalizedNumbers($args); - $max = null; - - foreach ($numbers as $key => $number) { - if (null === $max || $number[1] >= $max[1]) { - $max = [$key, $number[1]]; - } - } - - return $args[$max[0]]; - } - - /** - * Helper to normalize args containing numbers - * - * @param array $args - * - * @return array - */ - protected function getNormalizedNumbers($args) - { - $unit = null; - $originalUnit = null; - $numbers = []; - - foreach ($args as $key => $item) { - if ($item[0] !== Type::T_NUMBER) { - $this->throwError('%s is not a number', $item[0]); - break; - } - - $number = $item->normalize(); - - if (null === $unit) { - $unit = $number[2]; - $originalUnit = $item->unitStr(); - } elseif ($number[1] && $unit !== $number[2]) { - $this->throwError('Incompatible units: "%s" and "%s".', $originalUnit, $item->unitStr()); - break; - } - - $numbers[$key] = $number; - } - - return $numbers; - } - - protected static $libLength = ['list']; - protected function libLength($args) - { - $list = $this->coerceList($args[0]); - - return count($list[2]); - } - - //protected static $libListSeparator = ['list...']; - protected function libListSeparator($args) - { - if (count($args) > 1) { - return 'comma'; - } - - $list = $this->coerceList($args[0]); - - if (count($list[2]) <= 1) { - return 'space'; - } - - if ($list[1] === ',') { - return 'comma'; - } - - return 'space'; - } - - protected static $libNth = ['list', 'n']; - protected function libNth($args) - { - $list = $this->coerceList($args[0]); - $n = $this->assertNumber($args[1]); - - if ($n > 0) { - $n--; - } elseif ($n < 0) { - $n += count($list[2]); - } - - return isset($list[2][$n]) ? $list[2][$n] : static::$defaultValue; - } - - protected static $libSetNth = ['list', 'n', 'value']; - protected function libSetNth($args) - { - $list = $this->coerceList($args[0]); - $n = $this->assertNumber($args[1]); - - if ($n > 0) { - $n--; - } elseif ($n < 0) { - $n += count($list[2]); - } - - if (! isset($list[2][$n])) { - $this->throwError('Invalid argument for "n"'); - - return null; - } - - $list[2][$n] = $args[2]; - - return $list; - } - - protected static $libMapGet = ['map', 'key']; - protected function libMapGet($args) - { - $map = $this->assertMap($args[0]); - $key = $this->compileStringContent($this->coerceString($args[1])); - - for ($i = count($map[1]) - 1; $i >= 0; $i--) { - if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { - return $map[2][$i]; - } - } - - return static::$null; - } - - protected static $libMapKeys = ['map']; - protected function libMapKeys($args) - { - $map = $this->assertMap($args[0]); - $keys = $map[1]; - - return [Type::T_LIST, ',', $keys]; - } - - protected static $libMapValues = ['map']; - protected function libMapValues($args) - { - $map = $this->assertMap($args[0]); - $values = $map[2]; - - return [Type::T_LIST, ',', $values]; - } - - protected static $libMapRemove = ['map', 'key']; - protected function libMapRemove($args) - { - $map = $this->assertMap($args[0]); - $key = $this->compileStringContent($this->coerceString($args[1])); - - for ($i = count($map[1]) - 1; $i >= 0; $i--) { - if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { - array_splice($map[1], $i, 1); - array_splice($map[2], $i, 1); - } - } - - return $map; - } - - protected static $libMapHasKey = ['map', 'key']; - protected function libMapHasKey($args) - { - $map = $this->assertMap($args[0]); - $key = $this->compileStringContent($this->coerceString($args[1])); - - for ($i = count($map[1]) - 1; $i >= 0; $i--) { - if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { - return true; - } - } - - return false; - } - - protected static $libMapMerge = ['map-1', 'map-2']; - protected function libMapMerge($args) - { - $map1 = $this->assertMap($args[0]); - $map2 = $this->assertMap($args[1]); - - foreach ($map2[1] as $i2 => $key2) { - $key = $this->compileStringContent($this->coerceString($key2)); - - foreach ($map1[1] as $i1 => $key1) { - if ($key === $this->compileStringContent($this->coerceString($key1))) { - $map1[2][$i1] = $map2[2][$i2]; - continue 2; - } - } - - $map1[1][] = $map2[1][$i2]; - $map1[2][] = $map2[2][$i2]; - } - - return $map1; - } - - protected static $libKeywords = ['args']; - protected function libKeywords($args) - { - $this->assertList($args[0]); - - $keys = []; - $values = []; - - foreach ($args[0][2] as $name => $arg) { - $keys[] = [Type::T_KEYWORD, $name]; - $values[] = $arg; - } - - return [Type::T_MAP, $keys, $values]; - } - - protected function listSeparatorForJoin($list1, $sep) - { - if (! isset($sep)) { - return $list1[1]; - } - - switch ($this->compileValue($sep)) { - case 'comma': - return ','; - - case 'space': - return ''; - - default: - return $list1[1]; - } - } - - protected static $libJoin = ['list1', 'list2', 'separator']; - protected function libJoin($args) - { - list($list1, $list2, $sep) = $args; - - $list1 = $this->coerceList($list1, ' '); - $list2 = $this->coerceList($list2, ' '); - $sep = $this->listSeparatorForJoin($list1, $sep); - - return [Type::T_LIST, $sep, array_merge($list1[2], $list2[2])]; - } - - protected static $libAppend = ['list', 'val', 'separator']; - protected function libAppend($args) - { - list($list1, $value, $sep) = $args; - - $list1 = $this->coerceList($list1, ' '); - $sep = $this->listSeparatorForJoin($list1, $sep); - - return [Type::T_LIST, $sep, array_merge($list1[2], [$value])]; - } - - protected function libZip($args) - { - foreach ($args as $arg) { - $this->assertList($arg); - } - - $lists = []; - $firstList = array_shift($args); - - foreach ($firstList[2] as $key => $item) { - $list = [Type::T_LIST, '', [$item]]; - - foreach ($args as $arg) { - if (isset($arg[2][$key])) { - $list[2][] = $arg[2][$key]; - } else { - break 2; - } - } - - $lists[] = $list; - } - - return [Type::T_LIST, ',', $lists]; - } - - protected static $libTypeOf = ['value']; - protected function libTypeOf($args) - { - $value = $args[0]; - - switch ($value[0]) { - case Type::T_KEYWORD: - if ($value === static::$true || $value === static::$false) { - return 'bool'; - } - - if ($this->coerceColor($value)) { - return 'color'; - } - - // fall-thru - case Type::T_FUNCTION: - return 'string'; - - case Type::T_LIST: - if (isset($value[3]) && $value[3]) { - return 'arglist'; - } - - // fall-thru - default: - return $value[0]; - } - } - - protected static $libUnit = ['number']; - protected function libUnit($args) - { - $num = $args[0]; - - if ($num[0] === Type::T_NUMBER) { - return [Type::T_STRING, '"', [$num->unitStr()]]; - } - - return ''; - } - - protected static $libUnitless = ['number']; - protected function libUnitless($args) - { - $value = $args[0]; - - return $value[0] === Type::T_NUMBER && $value->unitless(); - } - - protected static $libComparable = ['number-1', 'number-2']; - protected function libComparable($args) - { - list($number1, $number2) = $args; - - if (! isset($number1[0]) || $number1[0] !== Type::T_NUMBER || - ! isset($number2[0]) || $number2[0] !== Type::T_NUMBER - ) { - $this->throwError('Invalid argument(s) for "comparable"'); - - return null; - } - - $number1 = $number1->normalize(); - $number2 = $number2->normalize(); - - return $number1[2] === $number2[2] || $number1->unitless() || $number2->unitless(); - } - - protected static $libStrIndex = ['string', 'substring']; - protected function libStrIndex($args) - { - $string = $this->coerceString($args[0]); - $stringContent = $this->compileStringContent($string); - - $substring = $this->coerceString($args[1]); - $substringContent = $this->compileStringContent($substring); - - $result = strpos($stringContent, $substringContent); - - return $result === false ? static::$null : new Node\Number($result + 1, ''); - } - - protected static $libStrInsert = ['string', 'insert', 'index']; - protected function libStrInsert($args) - { - $string = $this->coerceString($args[0]); - $stringContent = $this->compileStringContent($string); - - $insert = $this->coerceString($args[1]); - $insertContent = $this->compileStringContent($insert); - - list(, $index) = $args[2]; - - $string[2] = [substr_replace($stringContent, $insertContent, $index - 1, 0)]; - - return $string; - } - - protected static $libStrLength = ['string']; - protected function libStrLength($args) - { - $string = $this->coerceString($args[0]); - $stringContent = $this->compileStringContent($string); - - return new Node\Number(strlen($stringContent), ''); - } - - protected static $libStrSlice = ['string', 'start-at', 'end-at']; - protected function libStrSlice($args) - { - if (isset($args[2]) && $args[2][1] == 0) { - return static::$nullString; - } - - $string = $this->coerceString($args[0]); - $stringContent = $this->compileStringContent($string); - - $start = (int) $args[1][1]; - - if ($start > 0) { - $start--; - } - - $end = (int) $args[2][1]; - $length = $end < 0 ? $end + 1 : ($end > 0 ? $end - $start : $end); - - $string[2] = $length - ? [substr($stringContent, $start, $length)] - : [substr($stringContent, $start)]; - - return $string; - } - - protected static $libToLowerCase = ['string']; - protected function libToLowerCase($args) - { - $string = $this->coerceString($args[0]); - $stringContent = $this->compileStringContent($string); - - $string[2] = [function_exists('mb_strtolower') ? mb_strtolower($stringContent) : strtolower($stringContent)]; - - return $string; - } - - protected static $libToUpperCase = ['string']; - protected function libToUpperCase($args) - { - $string = $this->coerceString($args[0]); - $stringContent = $this->compileStringContent($string); - - $string[2] = [function_exists('mb_strtoupper') ? mb_strtoupper($stringContent) : strtoupper($stringContent)]; - - return $string; - } - - protected static $libFeatureExists = ['feature']; - protected function libFeatureExists($args) - { - $string = $this->coerceString($args[0]); - $name = $this->compileStringContent($string); - - return $this->toBool( - array_key_exists($name, $this->registeredFeatures) ? $this->registeredFeatures[$name] : false - ); - } - - protected static $libFunctionExists = ['name']; - protected function libFunctionExists($args) - { - $string = $this->coerceString($args[0]); - $name = $this->compileStringContent($string); - - // user defined functions - if ($this->has(static::$namespaces['function'] . $name)) { - return true; - } - - $name = $this->normalizeName($name); - - if (isset($this->userFunctions[$name])) { - return true; - } - - // built-in functions - $f = $this->getBuiltinFunction($name); - - return $this->toBool(is_callable($f)); - } - - protected static $libGlobalVariableExists = ['name']; - protected function libGlobalVariableExists($args) - { - $string = $this->coerceString($args[0]); - $name = $this->compileStringContent($string); - - return $this->has($name, $this->rootEnv); - } - - protected static $libMixinExists = ['name']; - protected function libMixinExists($args) - { - $string = $this->coerceString($args[0]); - $name = $this->compileStringContent($string); - - return $this->has(static::$namespaces['mixin'] . $name); - } - - protected static $libVariableExists = ['name']; - protected function libVariableExists($args) - { - $string = $this->coerceString($args[0]); - $name = $this->compileStringContent($string); - - return $this->has($name); - } - - /** - * Workaround IE7's content counter bug. - * - * @param array $args - * - * @return array - */ - protected function libCounter($args) - { - $list = array_map([$this, 'compileValue'], $args); - - return [Type::T_STRING, '', ['counter(' . implode(',', $list) . ')']]; - } - - protected static $libRandom = ['limit']; - protected function libRandom($args) - { - if (isset($args[0])) { - $n = $this->assertNumber($args[0]); - - if ($n < 1) { - $this->throwError("limit must be greater than or equal to 1"); - - return null; - } - - return new Node\Number(mt_rand(1, $n), ''); - } - - return new Node\Number(mt_rand(1, mt_getrandmax()), ''); - } - - protected function libUniqueId() - { - static $id; - - if (! isset($id)) { - $id = mt_rand(0, pow(36, 8)); - } - - $id += mt_rand(0, 10) + 1; - - return [Type::T_STRING, '', ['u' . str_pad(base_convert($id, 10, 36), 8, '0', STR_PAD_LEFT)]]; - } - - protected static $libInspect = ['value']; - protected function libInspect($args) - { - if ($args[0] === static::$null) { - return [Type::T_KEYWORD, 'null']; - } - - return $args[0]; - } -} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Nested.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Nested.php deleted file mode 100644 index 8f72206fd1..0000000000 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Nested.php +++ /dev/null @@ -1,201 +0,0 @@ - - */ -class Nested extends Formatter -{ - /** - * @var integer - */ - private $depth; - - /** - * {@inheritdoc} - */ - public function __construct() - { - $this->indentLevel = 0; - $this->indentChar = ' '; - $this->break = "\n"; - $this->open = ' {'; - $this->close = ' }'; - $this->tagSeparator = ', '; - $this->assignSeparator = ': '; - $this->keepSemicolons = true; - } - - /** - * {@inheritdoc} - */ - protected function indentStr() - { - $n = $this->depth - 1; - - return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); - } - - /** - * {@inheritdoc} - */ - protected function blockLines(OutputBlock $block) - { - $inner = $this->indentStr(); - - $glue = $this->break . $inner; - - foreach ($block->lines as $index => $line) { - if (substr($line, 0, 2) === '/*') { - $block->lines[$index] = preg_replace('/(\r|\n)+/', $glue, $line); - } - } - - $this->write($inner . implode($glue, $block->lines)); - - if (! empty($block->children)) { - $this->write($this->break); - } - } - - /** - * {@inheritdoc} - */ - protected function blockSelectors(OutputBlock $block) - { - $inner = $this->indentStr(); - - $this->write($inner - . implode($this->tagSeparator, $block->selectors) - . $this->open . $this->break); - } - - /** - * {@inheritdoc} - */ - protected function blockChildren(OutputBlock $block) - { - foreach ($block->children as $i => $child) { - $this->block($child); - - if ($i < count($block->children) - 1) { - $this->write($this->break); - - if (isset($block->children[$i + 1])) { - $next = $block->children[$i + 1]; - - if ($next->depth === max($block->depth, 1) && $child->depth >= $next->depth) { - $this->write($this->break); - } - } - } - } - } - - /** - * {@inheritdoc} - */ - protected function block(OutputBlock $block) - { - if ($block->type === 'root') { - $this->adjustAllChildren($block); - } - - if (empty($block->lines) && empty($block->children)) { - return; - } - - $this->currentBlock = $block; - - - $this->depth = $block->depth; - - if (! empty($block->selectors)) { - $this->blockSelectors($block); - - $this->indentLevel++; - } - - if (! empty($block->lines)) { - $this->blockLines($block); - } - - if (! empty($block->children)) { - $this->blockChildren($block); - } - - if (! empty($block->selectors)) { - $this->indentLevel--; - - $this->write($this->close); - } - - if ($block->type === 'root') { - $this->write($this->break); - } - } - - /** - * Adjust the depths of all children, depth first - * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block - */ - private function adjustAllChildren(OutputBlock $block) - { - // flatten empty nested blocks - $children = []; - - foreach ($block->children as $i => $child) { - if (empty($child->lines) && empty($child->children)) { - if (isset($block->children[$i + 1])) { - $block->children[$i + 1]->depth = $child->depth; - } - - continue; - } - - $children[] = $child; - } - - $count = count($children); - - for ($i = 0; $i < $count; $i++) { - $depth = $children[$i]->depth; - $j = $i + 1; - - if (isset($children[$j]) && $depth < $children[$j]->depth) { - $childDepth = $children[$j]->depth; - - for (; $j < $count; $j++) { - if ($depth < $children[$j]->depth && $childDepth >= $children[$j]->depth) { - $children[$j]->depth = $depth + 1; - } - } - } - } - - $block->children = $children; - - // make relative to parent - foreach ($block->children as $child) { - $this->adjustAllChildren($child); - - $child->depth = $child->depth - $block->depth; - } - } -} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQEncoder.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQEncoder.php deleted file mode 100644 index caf56c7716..0000000000 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQEncoder.php +++ /dev/null @@ -1,217 +0,0 @@ - - * @author Nicolas FRANÇOIS - */ -class Base64VLQEncoder -{ - /** - * Shift - * - * @var integer - */ - private $shift = 5; - - /** - * Mask - * - * @var integer - */ - private $mask = 0x1F; // == (1 << shift) == 0b00011111 - - /** - * Continuation bit - * - * @var integer - */ - private $continuationBit = 0x20; // == (mask - 1 ) == 0b00100000 - - /** - * Char to integer map - * - * @var array - */ - private $charToIntMap = [ - 'A' => 0, 'B' => 1, 'C' => 2, 'D' => 3, 'E' => 4, 'F' => 5, 'G' => 6, 'H' => 7, - 'I' => 8, 'J' => 9, 'K' => 10, 'L' => 11, 'M' => 12, 'N' => 13, 'O' => 14, 'P' => 15, - 'Q' => 16, 'R' => 17, 'S' => 18, 'T' => 19, 'U' => 20, 'V' => 21, 'W' => 22, 'X' => 23, - 'Y' => 24, 'Z' => 25, 'a' => 26, 'b' => 27, 'c' => 28, 'd' => 29, 'e' => 30, 'f' => 31, - 'g' => 32, 'h' => 33, 'i' => 34, 'j' => 35, 'k' => 36, 'l' => 37, 'm' => 38, 'n' => 39, - 'o' => 40, 'p' => 41, 'q' => 42, 'r' => 43, 's' => 44, 't' => 45, 'u' => 46, 'v' => 47, - 'w' => 48, 'x' => 49, 'y' => 50, 'z' => 51, 0 => 52, 1 => 53, 2 => 54, 3 => 55, - 4 => 56, 5 => 57, 6 => 58, 7 => 59, 8 => 60, 9 => 61, '+' => 62, '/' => 63, - ]; - - /** - * Integer to char map - * - * @var array - */ - private $intToCharMap = [ - 0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', 5 => 'F', 6 => 'G', 7 => 'H', - 8 => 'I', 9 => 'J', 10 => 'K', 11 => 'L', 12 => 'M', 13 => 'N', 14 => 'O', 15 => 'P', - 16 => 'Q', 17 => 'R', 18 => 'S', 19 => 'T', 20 => 'U', 21 => 'V', 22 => 'W', 23 => 'X', - 24 => 'Y', 25 => 'Z', 26 => 'a', 27 => 'b', 28 => 'c', 29 => 'd', 30 => 'e', 31 => 'f', - 32 => 'g', 33 => 'h', 34 => 'i', 35 => 'j', 36 => 'k', 37 => 'l', 38 => 'm', 39 => 'n', - 40 => 'o', 41 => 'p', 42 => 'q', 43 => 'r', 44 => 's', 45 => 't', 46 => 'u', 47 => 'v', - 48 => 'w', 49 => 'x', 50 => 'y', 51 => 'z', 52 => '0', 53 => '1', 54 => '2', 55 => '3', - 56 => '4', 57 => '5', 58 => '6', 59 => '7', 60 => '8', 61 => '9', 62 => '+', 63 => '/', - ]; - - /** - * Constructor - */ - public function __construct() - { - // I leave it here for future reference - // foreach (str_split('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/') as $i => $char) - // { - // $this->charToIntMap[$char] = $i; - // $this->intToCharMap[$i] = $char; - // } - } - - /** - * Convert from a two-complement value to a value where the sign bit is - * is placed in the least significant bit. For example, as decimals: - * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) - * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) - * We generate the value for 32 bit machines, hence -2147483648 becomes 1, not 4294967297, - * even on a 64 bit machine. - * - * @param string $aValue - */ - public function toVLQSigned($aValue) - { - return 0xffffffff & ($aValue < 0 ? ((-$aValue) << 1) + 1 : ($aValue << 1) + 0); - } - - /** - * Convert to a two-complement value from a value where the sign bit is - * is placed in the least significant bit. For example, as decimals: - * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 - * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 - * We assume that the value was generated with a 32 bit machine in mind. - * Hence - * 1 becomes -2147483648 - * even on a 64 bit machine. - * - * @param integer $aValue - */ - public function fromVLQSigned($aValue) - { - return $aValue & 1 ? $this->zeroFill(~$aValue + 2, 1) | (-1 - 0x7fffffff) : $this->zeroFill($aValue, 1); - } - - /** - * Return the base 64 VLQ encoded value. - * - * @param string $aValue The value to encode - * - * @return string The encoded value - */ - public function encode($aValue) - { - $encoded = ''; - $vlq = $this->toVLQSigned($aValue); - - do { - $digit = $vlq & $this->mask; - $vlq = $this->zeroFill($vlq, $this->shift); - - if ($vlq > 0) { - $digit |= $this->continuationBit; - } - - $encoded .= $this->base64Encode($digit); - } while ($vlq > 0); - - return $encoded; - } - - /** - * Return the value decoded from base 64 VLQ. - * - * @param string $encoded The encoded value to decode - * - * @return integer The decoded value - */ - public function decode($encoded) - { - $vlq = 0; - $i = 0; - - do { - $digit = $this->base64Decode($encoded[$i]); - $vlq |= ($digit & $this->mask) << ($i * $this->shift); - $i++; - } while ($digit & $this->continuationBit); - - return $this->fromVLQSigned($vlq); - } - - /** - * Right shift with zero fill. - * - * @param integer $a number to shift - * @param integer $b number of bits to shift - * - * @return integer - */ - public function zeroFill($a, $b) - { - return ($a >= 0) ? ($a >> $b) : ($a >> $b) & (PHP_INT_MAX >> ($b - 1)); - } - - /** - * Encode single 6-bit digit as base64. - * - * @param integer $number - * - * @return string - * - * @throws \Exception If the number is invalid - */ - public function base64Encode($number) - { - if ($number < 0 || $number > 63) { - throw new \Exception(sprintf('Invalid number "%s" given. Must be between 0 and 63.', $number)); - } - - return $this->intToCharMap[$number]; - } - - /** - * Decode single 6-bit digit from base64 - * - * @param string $char - * - * @return integer - * - * @throws \Exception If the number is invalid - */ - public function base64Decode($char) - { - if (! array_key_exists($char, $this->charToIntMap)) { - throw new \Exception(sprintf('Invalid base 64 digit "%s" given.', $char)); - } - - return $this->charToIntMap[$char]; - } -} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/LICENSE.md b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/LICENSE.md similarity index 93% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/LICENSE.md rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/LICENSE.md index 2f5412f9b5..afcfdfb264 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/LICENSE.md +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/LICENSE.md @@ -1,4 +1,4 @@ -Copyright (c) 2015 Leaf Corcoran, http://leafo.github.io/scssphp +Copyright (c) 2015 Leaf Corcoran, http://scssphp.github.io/scssphp Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/README.md b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/README.md similarity index 78% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/README.md rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/README.md index 53a4c7a41c..86eba25cad 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/README.md +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/README.md @@ -1,12 +1,12 @@ # scssphp -### +### -[![Build](https://travis-ci.org/leafo/scssphp.svg?branch=master)](http://travis-ci.org/leafo/scssphp) -[![License](https://poser.pugx.org/leafo/scssphp/license.svg)](https://packagist.org/packages/leafo/scssphp) +[![Build](https://travis-ci.org/scssphp/scssphp.svg?branch=master)](http://travis-ci.org/scssphp/scssphp) +[![License](https://poser.pugx.org/scssphp/scssphp/license)](https://packagist.org/packages/scssphp/scssphp) `scssphp` is a compiler for SCSS written in PHP. -Checkout the homepage, , for directions on how to use. +Checkout the homepage, , for directions on how to use. ## Running Tests @@ -24,7 +24,6 @@ There are several tests in the `tests/` directory: * `InputTest.php` compiles every `.scss` file in the `tests/inputs` directory then compares to the respective `.css` file in the `tests/outputs` directory. * `ScssTest.php` extracts (ruby) `scss` tests from the `tests/scss_test.rb` file. -* `ServerTest.php` contains functional tests for the `Server` class. When changing any of the tests in `tests/inputs`, the tests will most likely fail because the output has changed. Once you verify that the output is correct diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/bin/pscss b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/bin/pscss similarity index 74% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/bin/pscss rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/bin/pscss index ce80e6a992..56bf48fdc6 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/bin/pscss +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/bin/pscss @@ -3,24 +3,24 @@ /** * SCSSPHP * - * @copyright 2012-2015 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ error_reporting(E_ALL); -if (version_compare(PHP_VERSION, '5.4') < 0) { - die('Requires PHP 5.4 or above'); +if (version_compare(PHP_VERSION, '5.6') < 0) { + die('Requires PHP 5.6 or above'); } include __DIR__ . '/../scss.inc.php'; -use Leafo\ScssPhp\Compiler; -use Leafo\ScssPhp\Parser; -use Leafo\ScssPhp\Version; +use ScssPhp\ScssPhp\Compiler; +use ScssPhp\ScssPhp\Parser; +use ScssPhp\ScssPhp\Version; $style = null; $loadPaths = null; @@ -62,7 +62,7 @@ function parseArgument(&$i, $options) { } for ($i = 1; $i < $argc; $i++) { - if ($argv[$i] === '-h' || $argv[$i] === '--help') { + if ($argv[$i] === '-?' || $argv[$i] === '-h' || $argv[$i] === '--help') { $exe = $argv[0]; $HELP = <<setFormatter('Leafo\\ScssPhp\\Formatter\\' . ucfirst($style)); + $scss->setFormatter('ScssPhp\\ScssPhp\\Formatter\\' . ucfirst($style)); } if ($sourceMap) { diff --git a/wcfsetup/install/files/lib/system/api/scssphp/scssphp/composer.json b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/composer.json new file mode 100644 index 0000000000..43f5565370 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/composer.json @@ -0,0 +1,51 @@ +{ + "name": "scssphp/scssphp", + "type": "library", + "description": "scssphp is a compiler for SCSS written in PHP.", + "keywords": ["css", "stylesheet", "scss", "sass", "less"], + "homepage": "http://scssphp.github.io/scssphp/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Anthon Pang", + "email": "apang@softwaredevelopment.ca", + "homepage": "https://github.com/robocoder" + }, + { + "name": "Cédric Morin", + "email": "cedric@yterium.com", + "homepage": "https://github.com/Cerdic" + } + ], + "autoload": { + "psr-4": { "ScssPhp\\ScssPhp\\": "src/" } + }, + "autoload-dev": { + "psr-4": { "ScssPhp\\ScssPhp\\Tests\\": "tests/" } + }, + "require": { + "php": ">=5.6.0", + "ext-json": "*", + "ext-ctype": "*" + }, + "require-dev": { + "squizlabs/php_codesniffer": "~3.5", + "phpunit/phpunit": "^5.7 || ^6.5 || ^7.5 || ^8.3", + "twbs/bootstrap": "~4.3", + "zurb/foundation": "~6.5" + }, + "minimum-stability": "dev", + "bin": ["bin/pscss"], + "archive": { + "exclude": [ + "/Makefile", + "/.gitattributes", + "/.gitignore", + "/.travis.yml", + "/phpunit.xml.dist", + "/tests" + ] + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/scss.inc.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/scss.inc.php similarity index 87% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/scss.inc.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/scss.inc.php index d75ecb55ad..e4ec7f1815 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/scss.inc.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/scss.inc.php @@ -1,11 +1,12 @@ + */ +class Cache +{ + const CACHE_VERSION = 1; + + // directory used for storing data + public static $cacheDir = false; + + // prefix for the storing data + public static $prefix = 'scssphp_'; + + // force a refresh : 'once' for refreshing the first hit on a cache only, true to never use the cache in this hit + public static $forceRefresh = false; + + // specifies the number of seconds after which data cached will be seen as 'garbage' and potentially cleaned up + public static $gcLifetime = 604800; + + // array of already refreshed cache if $forceRefresh==='once' + protected static $refreshed = []; + + /** + * Constructor + * + * @param array $options + */ + public function __construct($options) + { + // check $cacheDir + if (isset($options['cacheDir'])) { + self::$cacheDir = $options['cacheDir']; + } + + if (empty(self::$cacheDir)) { + throw new Exception('cacheDir not set'); + } + + if (isset($options['prefix'])) { + self::$prefix = $options['prefix']; + } + + if (empty(self::$prefix)) { + throw new Exception('prefix not set'); + } + + if (isset($options['forceRefresh'])) { + self::$forceRefresh = $options['forceRefresh']; + } + + self::checkCacheDir(); + } + + /** + * Get the cached result of $operation on $what, + * which is known as dependant from the content of $options + * + * @param string $operation parse, compile... + * @param mixed $what content key (e.g., filename to be treated) + * @param array $options any option that affect the operation result on the content + * @param integer $lastModified last modified timestamp + * + * @return mixed + * + * @throws \Exception + */ + public function getCache($operation, $what, $options = [], $lastModified = null) + { + $fileCache = self::$cacheDir . self::cacheName($operation, $what, $options); + + if (((self::$forceRefresh === false) || (self::$forceRefresh === 'once' && + isset(self::$refreshed[$fileCache]))) && file_exists($fileCache) + ) { + $cacheTime = filemtime($fileCache); + + if ((\is_null($lastModified) || $cacheTime > $lastModified) && + $cacheTime + self::$gcLifetime > time() + ) { + $c = file_get_contents($fileCache); + $c = unserialize($c); + + if (\is_array($c) && isset($c['value'])) { + return $c['value']; + } + } + } + + return null; + } + + /** + * Put in cache the result of $operation on $what, + * which is known as dependant from the content of $options + * + * @param string $operation + * @param mixed $what + * @param mixed $value + * @param array $options + */ + public function setCache($operation, $what, $value, $options = []) + { + $fileCache = self::$cacheDir . self::cacheName($operation, $what, $options); + + $c = ['value' => $value]; + $c = serialize($c); + + file_put_contents($fileCache, $c); + + if (self::$forceRefresh === 'once') { + self::$refreshed[$fileCache] = true; + } + } + + /** + * Get the cache name for the caching of $operation on $what, + * which is known as dependant from the content of $options + * + * @param string $operation + * @param mixed $what + * @param array $options + * + * @return string + */ + private static function cacheName($operation, $what, $options = []) + { + $t = [ + 'version' => self::CACHE_VERSION, + 'operation' => $operation, + 'what' => $what, + 'options' => $options + ]; + + $t = self::$prefix + . sha1(json_encode($t)) + . ".$operation" + . ".scsscache"; + + return $t; + } + + /** + * Check that the cache dir exists and is writeable + * + * @throws \Exception + */ + public static function checkCacheDir() + { + self::$cacheDir = str_replace('\\', '/', self::$cacheDir); + self::$cacheDir = rtrim(self::$cacheDir, '/') . '/'; + + if (! is_dir(self::$cacheDir)) { + if (! mkdir(self::$cacheDir)) { + throw new Exception('Cache directory couldn\'t be created: ' . self::$cacheDir); + } + } + + if (! is_writable(self::$cacheDir)) { + throw new Exception('Cache directory isn\'t writable: ' . self::$cacheDir); + } + } + + /** + * Delete unused cached files + */ + public static function cleanCache() + { + static $clean = false; + + if ($clean || empty(self::$cacheDir)) { + return; + } + + $clean = true; + + // only remove files with extensions created by SCSSPHP Cache + // css files removed based on the list files + $removeTypes = ['scsscache' => 1]; + + $files = scandir(self::$cacheDir); + + if (! $files) { + return; + } + + $checkTime = time() - self::$gcLifetime; + + foreach ($files as $file) { + // don't delete if the file wasn't created with SCSSPHP Cache + if (strpos($file, self::$prefix) !== 0) { + continue; + } + + $parts = explode('.', $file); + $type = array_pop($parts); + + if (! isset($removeTypes[$type])) { + continue; + } + + $fullPath = self::$cacheDir . $file; + $mtime = filemtime($fullPath); + + // don't delete if it's a relatively new file + if ($mtime > $checkTime) { + continue; + } + + unlink($fullPath); + } + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Colors.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Colors.php similarity index 76% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Colors.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Colors.php index 2314ea58d1..c3ca1bfb20 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Colors.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Colors.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; /** * CSS Colors @@ -25,7 +25,7 @@ class Colors * * @var array */ - public static $cssColors = [ + protected static $cssColors = [ 'aliceblue' => '240,248,255', 'antiquewhite' => '250,235,215', 'aqua' => '0,255,255', @@ -176,4 +176,66 @@ class Colors 'yellow' => '255,255,0', 'yellowgreen' => '154,205,50', ]; + + /** + * Convert named color in a [r,g,b[,a]] array + * + * @param string $colorName + * + * @return array|null + */ + public static function colorNameToRGBa($colorName) + { + if (\is_string($colorName) && isset(static::$cssColors[$colorName])) { + $rgba = explode(',', static::$cssColors[$colorName]); + + // only case with opacity is transparent, with opacity=0, so we can intval on opacity also + $rgba = array_map('intval', $rgba); + + return $rgba; + } + + return null; + } + + /** + * Reverse conversion : from RGBA to a color name if possible + * + * @param integer $r + * @param integer $g + * @param integer $b + * @param integer $a + * + * @return string|null + */ + public static function RGBaToColorName($r, $g, $b, $a = 1) + { + static $reverseColorTable = null; + + if (! is_numeric($r) || ! is_numeric($g) || ! is_numeric($b) || ! is_numeric($a)) { + return null; + } + + if ($a < 1) { + return null; + } + + if (\is_null($reverseColorTable)) { + $reverseColorTable = []; + + foreach (static::$cssColors as $name => $rgb_str) { + $rgb_str = explode(',', $rgb_str); + + if (\count($rgb_str) == 3) { + $reverseColorTable[\intval($rgb_str[0])][\intval($rgb_str[1])][\intval($rgb_str[2])] = $name; + } + } + } + + if (isset($reverseColorTable[\intval($r)][\intval($g)][\intval($b)])) { + return $reverseColorTable[\intval($r)][\intval($g)][\intval($b)]; + } + + return null; + } } diff --git a/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler.php new file mode 100644 index 0000000000..eef6970a6a --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler.php @@ -0,0 +1,7844 @@ + + */ +class Compiler +{ + const LINE_COMMENTS = 1; + const DEBUG_INFO = 2; + + const WITH_RULE = 1; + const WITH_MEDIA = 2; + const WITH_SUPPORTS = 4; + const WITH_ALL = 7; + + const SOURCE_MAP_NONE = 0; + const SOURCE_MAP_INLINE = 1; + const SOURCE_MAP_FILE = 2; + + /** + * @var array + */ + protected static $operatorNames = [ + '+' => 'add', + '-' => 'sub', + '*' => 'mul', + '/' => 'div', + '%' => 'mod', + + '==' => 'eq', + '!=' => 'neq', + '<' => 'lt', + '>' => 'gt', + + '<=' => 'lte', + '>=' => 'gte', + '<=>' => 'cmp', + ]; + + /** + * @var array + */ + protected static $namespaces = [ + 'special' => '%', + 'mixin' => '@', + 'function' => '^', + ]; + + public static $true = [Type::T_KEYWORD, 'true']; + public static $false = [Type::T_KEYWORD, 'false']; + public static $NaN = [Type::T_KEYWORD, 'NaN']; + public static $Infinity = [Type::T_KEYWORD, 'Infinity']; + public static $null = [Type::T_NULL]; + public static $nullString = [Type::T_STRING, '', []]; + public static $defaultValue = [Type::T_KEYWORD, '']; + public static $selfSelector = [Type::T_SELF]; + public static $emptyList = [Type::T_LIST, '', []]; + public static $emptyMap = [Type::T_MAP, [], []]; + public static $emptyString = [Type::T_STRING, '"', []]; + public static $with = [Type::T_KEYWORD, 'with']; + public static $without = [Type::T_KEYWORD, 'without']; + + protected $importPaths = ['']; + protected $importCache = []; + protected $importedFiles = []; + protected $userFunctions = []; + protected $registeredVars = []; + protected $registeredFeatures = [ + 'extend-selector-pseudoclass' => false, + 'at-error' => true, + 'units-level-3' => false, + 'global-variable-shadowing' => false, + ]; + + protected $encoding = null; + protected $lineNumberStyle = null; + + protected $sourceMap = self::SOURCE_MAP_NONE; + protected $sourceMapOptions = []; + + /** + * @var string|\ScssPhp\ScssPhp\Formatter + */ + protected $formatter = 'ScssPhp\ScssPhp\Formatter\Nested'; + + protected $rootEnv; + protected $rootBlock; + + /** + * @var \ScssPhp\ScssPhp\Compiler\Environment + */ + protected $env; + protected $scope; + protected $storeEnv; + protected $charsetSeen; + protected $sourceNames; + + protected $cache; + + protected $indentLevel; + protected $extends; + protected $extendsMap; + protected $parsedFiles; + protected $parser; + protected $sourceIndex; + protected $sourceLine; + protected $sourceColumn; + protected $stderr; + protected $shouldEvaluate; + protected $ignoreErrors; + protected $ignoreCallStackMessage = false; + + protected $callStack = []; + + /** + * Constructor + * + * @param array|null $cacheOptions + */ + public function __construct($cacheOptions = null) + { + $this->parsedFiles = []; + $this->sourceNames = []; + + if ($cacheOptions) { + $this->cache = new Cache($cacheOptions); + } + + $this->stderr = fopen('php://stderr', 'w'); + } + + /** + * Get compiler options + * + * @return array + */ + public function getCompileOptions() + { + $options = [ + 'importPaths' => $this->importPaths, + 'registeredVars' => $this->registeredVars, + 'registeredFeatures' => $this->registeredFeatures, + 'encoding' => $this->encoding, + 'sourceMap' => serialize($this->sourceMap), + 'sourceMapOptions' => $this->sourceMapOptions, + 'formatter' => $this->formatter, + ]; + + return $options; + } + + /** + * Set an alternative error output stream, for testing purpose only + * + * @param resource $handle + */ + public function setErrorOuput($handle) + { + $this->stderr = $handle; + } + + /** + * Compile scss + * + * @api + * + * @param string $code + * @param string $path + * + * @return string + */ + public function compile($code, $path = null) + { + if ($this->cache) { + $cacheKey = ($path ? $path : "(stdin)") . ":" . md5($code); + $compileOptions = $this->getCompileOptions(); + $cache = $this->cache->getCache("compile", $cacheKey, $compileOptions); + + if (\is_array($cache) && isset($cache['dependencies']) && isset($cache['out'])) { + // check if any dependency file changed before accepting the cache + foreach ($cache['dependencies'] as $file => $mtime) { + if (! is_file($file) || filemtime($file) !== $mtime) { + unset($cache); + break; + } + } + + if (isset($cache)) { + return $cache['out']; + } + } + } + + + $this->indentLevel = -1; + $this->extends = []; + $this->extendsMap = []; + $this->sourceIndex = null; + $this->sourceLine = null; + $this->sourceColumn = null; + $this->env = null; + $this->scope = null; + $this->storeEnv = null; + $this->charsetSeen = null; + $this->shouldEvaluate = null; + $this->ignoreCallStackMessage = false; + + $this->parser = $this->parserFactory($path); + $tree = $this->parser->parse($code); + $this->parser = null; + + $this->formatter = new $this->formatter(); + $this->rootBlock = null; + $this->rootEnv = $this->pushEnv($tree); + + $this->injectVariables($this->registeredVars); + $this->compileRoot($tree); + $this->popEnv(); + + $sourceMapGenerator = null; + + if ($this->sourceMap) { + if (\is_object($this->sourceMap) && $this->sourceMap instanceof SourceMapGenerator) { + $sourceMapGenerator = $this->sourceMap; + $this->sourceMap = self::SOURCE_MAP_FILE; + } elseif ($this->sourceMap !== self::SOURCE_MAP_NONE) { + $sourceMapGenerator = new SourceMapGenerator($this->sourceMapOptions); + } + } + + $out = $this->formatter->format($this->scope, $sourceMapGenerator); + + if (! empty($out) && $this->sourceMap && $this->sourceMap !== self::SOURCE_MAP_NONE) { + $sourceMap = $sourceMapGenerator->generateJson(); + $sourceMapUrl = null; + + switch ($this->sourceMap) { + case self::SOURCE_MAP_INLINE: + $sourceMapUrl = sprintf('data:application/json,%s', Util::encodeURIComponent($sourceMap)); + break; + + case self::SOURCE_MAP_FILE: + $sourceMapUrl = $sourceMapGenerator->saveMap($sourceMap); + break; + } + + $out .= sprintf('/*# sourceMappingURL=%s */', $sourceMapUrl); + } + + if ($this->cache && isset($cacheKey) && isset($compileOptions)) { + $v = [ + 'dependencies' => $this->getParsedFiles(), + 'out' => &$out, + ]; + + $this->cache->setCache("compile", $cacheKey, $v, $compileOptions); + } + + return $out; + } + + /** + * Instantiate parser + * + * @param string $path + * + * @return \ScssPhp\ScssPhp\Parser + */ + protected function parserFactory($path) + { + // https://sass-lang.com/documentation/at-rules/import + // CSS files imported by Sass don’t allow any special Sass features. + // In order to make sure authors don’t accidentally write Sass in their CSS, + // all Sass features that aren’t also valid CSS will produce errors. + // Otherwise, the CSS will be rendered as-is. It can even be extended! + $cssOnly = false; + + if (substr($path, '-4') === '.css') { + $cssOnly = true; + } + + $parser = new Parser($path, \count($this->sourceNames), $this->encoding, $this->cache, $cssOnly); + + $this->sourceNames[] = $path; + $this->addParsedFile($path); + + return $parser; + } + + /** + * Is self extend? + * + * @param array $target + * @param array $origin + * + * @return boolean + */ + protected function isSelfExtend($target, $origin) + { + foreach ($origin as $sel) { + if (\in_array($target, $sel)) { + return true; + } + } + + return false; + } + + /** + * Push extends + * + * @param array $target + * @param array $origin + * @param array|null $block + */ + protected function pushExtends($target, $origin, $block) + { + $i = \count($this->extends); + $this->extends[] = [$target, $origin, $block]; + + foreach ($target as $part) { + if (isset($this->extendsMap[$part])) { + $this->extendsMap[$part][] = $i; + } else { + $this->extendsMap[$part] = [$i]; + } + } + } + + /** + * Make output block + * + * @param string $type + * @param array $selectors + * + * @return \ScssPhp\ScssPhp\Formatter\OutputBlock + */ + protected function makeOutputBlock($type, $selectors = null) + { + $out = new OutputBlock; + $out->type = $type; + $out->lines = []; + $out->children = []; + $out->parent = $this->scope; + $out->selectors = $selectors; + $out->depth = $this->env->depth; + + if ($this->env->block instanceof Block) { + $out->sourceName = $this->env->block->sourceName; + $out->sourceLine = $this->env->block->sourceLine; + $out->sourceColumn = $this->env->block->sourceColumn; + } else { + $out->sourceName = null; + $out->sourceLine = null; + $out->sourceColumn = null; + } + + return $out; + } + + /** + * Compile root + * + * @param \ScssPhp\ScssPhp\Block $rootBlock + */ + protected function compileRoot(Block $rootBlock) + { + $this->rootBlock = $this->scope = $this->makeOutputBlock(Type::T_ROOT); + + $this->compileChildrenNoReturn($rootBlock->children, $this->scope); + $this->flattenSelectors($this->scope); + $this->missingSelectors(); + } + + /** + * Report missing selectors + */ + protected function missingSelectors() + { + foreach ($this->extends as $extend) { + if (isset($extend[3])) { + continue; + } + + list($target, $origin, $block) = $extend; + + // ignore if !optional + if ($block[2]) { + continue; + } + + $target = implode(' ', $target); + $origin = $this->collapseSelectors($origin); + + $this->sourceLine = $block[Parser::SOURCE_LINE]; + $this->throwError("\"$origin\" failed to @extend \"$target\". The selector \"$target\" was not found."); + } + } + + /** + * Flatten selectors + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block + * @param string $parentKey + */ + protected function flattenSelectors(OutputBlock $block, $parentKey = null) + { + if ($block->selectors) { + $selectors = []; + + foreach ($block->selectors as $s) { + $selectors[] = $s; + + if (! \is_array($s)) { + continue; + } + + // check extends + if (! empty($this->extendsMap)) { + $this->matchExtends($s, $selectors); + + // remove duplicates + array_walk($selectors, function (&$value) { + $value = serialize($value); + }); + + $selectors = array_unique($selectors); + + array_walk($selectors, function (&$value) { + $value = unserialize($value); + }); + } + } + + $block->selectors = []; + $placeholderSelector = false; + + foreach ($selectors as $selector) { + if ($this->hasSelectorPlaceholder($selector)) { + $placeholderSelector = true; + continue; + } + + $block->selectors[] = $this->compileSelector($selector); + } + + if ($placeholderSelector && 0 === \count($block->selectors) && null !== $parentKey) { + unset($block->parent->children[$parentKey]); + + return; + } + } + + foreach ($block->children as $key => $child) { + $this->flattenSelectors($child, $key); + } + } + + /** + * Glue parts of :not( or :nth-child( ... that are in general splitted in selectors parts + * + * @param array $parts + * + * @return array + */ + protected function glueFunctionSelectors($parts) + { + $new = []; + + foreach ($parts as $part) { + if (\is_array($part)) { + $part = $this->glueFunctionSelectors($part); + $new[] = $part; + } else { + // a selector part finishing with a ) is the last part of a :not( or :nth-child( + // and need to be joined to this + if (\count($new) && \is_string($new[\count($new) - 1]) && + \strlen($part) && substr($part, -1) === ')' && strpos($part, '(') === false + ) { + while (\count($new)>1 && substr($new[\count($new) - 1], -1) !== '(') { + $part = array_pop($new) . $part; + } + $new[\count($new) - 1] .= $part; + } else { + $new[] = $part; + } + } + } + + return $new; + } + + /** + * Match extends + * + * @param array $selector + * @param array $out + * @param integer $from + * @param boolean $initial + */ + protected function matchExtends($selector, &$out, $from = 0, $initial = true) + { + static $partsPile = []; + $selector = $this->glueFunctionSelectors($selector); + + if (\count($selector) == 1 && \in_array(reset($selector), $partsPile)) { + return; + } + + $outRecurs = []; + + foreach ($selector as $i => $part) { + if ($i < $from) { + continue; + } + + // check that we are not building an infinite loop of extensions + // if the new part is just including a previous part don't try to extend anymore + if (\count($part) > 1) { + foreach ($partsPile as $previousPart) { + if (! \count(array_diff($previousPart, $part))) { + continue 2; + } + } + } + + $partsPile[] = $part; + + if ($this->matchExtendsSingle($part, $origin, $initial)) { + $after = \array_slice($selector, $i + 1); + $before = \array_slice($selector, 0, $i); + list($before, $nonBreakableBefore) = $this->extractRelationshipFromFragment($before); + + foreach ($origin as $new) { + $k = 0; + + // remove shared parts + if (\count($new) > 1) { + while ($k < $i && isset($new[$k]) && $selector[$k] === $new[$k]) { + $k++; + } + } + + if (\count($nonBreakableBefore) and $k == \count($new)) { + $k--; + } + + $replacement = []; + $tempReplacement = $k > 0 ? \array_slice($new, $k) : $new; + + for ($l = \count($tempReplacement) - 1; $l >= 0; $l--) { + $slice = []; + + foreach ($tempReplacement[$l] as $chunk) { + if (! \in_array($chunk, $slice)) { + $slice[] = $chunk; + } + } + + array_unshift($replacement, $slice); + + if (! $this->isImmediateRelationshipCombinator(end($slice))) { + break; + } + } + + $afterBefore = $l != 0 ? \array_slice($tempReplacement, 0, $l) : []; + + // Merge shared direct relationships. + $mergedBefore = $this->mergeDirectRelationships($afterBefore, $nonBreakableBefore); + + $result = array_merge( + $before, + $mergedBefore, + $replacement, + $after + ); + + if ($result === $selector) { + continue; + } + + $this->pushOrMergeExtentedSelector($out, $result); + + // recursively check for more matches + $startRecurseFrom = \count($before) + min(\count($nonBreakableBefore), \count($mergedBefore)); + + if (\count($origin) > 1) { + $this->matchExtends($result, $out, $startRecurseFrom, false); + } else { + $this->matchExtends($result, $outRecurs, $startRecurseFrom, false); + } + + // selector sequence merging + if (! empty($before) && \count($new) > 1) { + $preSharedParts = $k > 0 ? \array_slice($before, 0, $k) : []; + $postSharedParts = $k > 0 ? \array_slice($before, $k) : $before; + + list($betweenSharedParts, $nonBreakabl2) = $this->extractRelationshipFromFragment($afterBefore); + + $result2 = array_merge( + $preSharedParts, + $betweenSharedParts, + $postSharedParts, + $nonBreakabl2, + $nonBreakableBefore, + $replacement, + $after + ); + + $this->pushOrMergeExtentedSelector($out, $result2); + } + } + } + array_pop($partsPile); + } + + while (\count($outRecurs)) { + $result = array_shift($outRecurs); + $this->pushOrMergeExtentedSelector($out, $result); + } + } + + /** + * Test a part for being a pseudo selector + * + * @param string $part + * @param array $matches + * + * @return boolean + */ + protected function isPseudoSelector($part, &$matches) + { + if (strpos($part, ":") === 0 + && preg_match(",^::?([\w-]+)\((.+)\)$,", $part, $matches) + ) { + return true; + } + + return false; + } + + /** + * Push extended selector except if + * - this is a pseudo selector + * - same as previous + * - in a white list + * in this case we merge the pseudo selector content + * + * @param array $out + * @param array $extended + */ + protected function pushOrMergeExtentedSelector(&$out, $extended) + { + if (\count($out) && \count($extended) === 1 && \count(reset($extended)) === 1) { + $single = reset($extended); + $part = reset($single); + + if ($this->isPseudoSelector($part, $matchesExtended) && + \in_array($matchesExtended[1], [ 'slotted' ]) + ) { + $prev = end($out); + $prev = $this->glueFunctionSelectors($prev); + + if (\count($prev) === 1 && \count(reset($prev)) === 1) { + $single = reset($prev); + $part = reset($single); + + if ($this->isPseudoSelector($part, $matchesPrev) && + $matchesPrev[1] === $matchesExtended[1] + ) { + $extended = explode($matchesExtended[1] . '(', $matchesExtended[0], 2); + $extended[1] = $matchesPrev[2] . ", " . $extended[1]; + $extended = implode($matchesExtended[1] . '(', $extended); + $extended = [ [ $extended ]]; + array_pop($out); + } + } + } + } + $out[] = $extended; + } + + /** + * Match extends single + * + * @param array $rawSingle + * @param array $outOrigin + * @param boolean $initial + * + * @return boolean + */ + protected function matchExtendsSingle($rawSingle, &$outOrigin, $initial = true) + { + $counts = []; + $single = []; + + // simple usual cases, no need to do the whole trick + if (\in_array($rawSingle, [['>'],['+'],['~']])) { + return false; + } + + foreach ($rawSingle as $part) { + // matches Number + if (! \is_string($part)) { + return false; + } + + if (! preg_match('/^[\[.:#%]/', $part) && \count($single)) { + $single[\count($single) - 1] .= $part; + } else { + $single[] = $part; + } + } + + $extendingDecoratedTag = false; + + if (\count($single) > 1) { + $matches = null; + $extendingDecoratedTag = preg_match('/^[a-z0-9]+$/i', $single[0], $matches) ? $matches[0] : false; + } + + $outOrigin = []; + $found = false; + + foreach ($single as $k => $part) { + if (isset($this->extendsMap[$part])) { + foreach ($this->extendsMap[$part] as $idx) { + $counts[$idx] = isset($counts[$idx]) ? $counts[$idx] + 1 : 1; + } + } + + if ($initial && + $this->isPseudoSelector($part, $matches) && + ! \in_array($matches[1], [ 'not' ]) + ) { + $buffer = $matches[2]; + $parser = $this->parserFactory(__METHOD__); + + if ($parser->parseSelector($buffer, $subSelectors)) { + foreach ($subSelectors as $ksub => $subSelector) { + $subExtended = []; + $this->matchExtends($subSelector, $subExtended, 0, false); + + if ($subExtended) { + $subSelectorsExtended = $subSelectors; + $subSelectorsExtended[$ksub] = $subExtended; + + foreach ($subSelectorsExtended as $ksse => $sse) { + $subSelectorsExtended[$ksse] = $this->collapseSelectors($sse); + } + + $subSelectorsExtended = implode(', ', $subSelectorsExtended); + $singleExtended = $single; + $singleExtended[$k] = str_replace("(".$buffer.")", "($subSelectorsExtended)", $part); + $outOrigin[] = [ $singleExtended ]; + $found = true; + } + } + } + } + } + + foreach ($counts as $idx => $count) { + list($target, $origin, /* $block */) = $this->extends[$idx]; + + $origin = $this->glueFunctionSelectors($origin); + + // check count + if ($count !== \count($target)) { + continue; + } + + $this->extends[$idx][3] = true; + + $rem = array_diff($single, $target); + + foreach ($origin as $j => $new) { + // prevent infinite loop when target extends itself + if ($this->isSelfExtend($single, $origin) and !$initial) { + return false; + } + + $replacement = end($new); + + // Extending a decorated tag with another tag is not possible. + if ($extendingDecoratedTag && $replacement[0] != $extendingDecoratedTag && + preg_match('/^[a-z0-9]+$/i', $replacement[0]) + ) { + unset($origin[$j]); + continue; + } + + $combined = $this->combineSelectorSingle($replacement, $rem); + + if (\count(array_diff($combined, $origin[$j][\count($origin[$j]) - 1]))) { + $origin[$j][\count($origin[$j]) - 1] = $combined; + } + } + + $outOrigin = array_merge($outOrigin, $origin); + + $found = true; + } + + return $found; + } + + /** + * Extract a relationship from the fragment. + * + * When extracting the last portion of a selector we will be left with a + * fragment which may end with a direction relationship combinator. This + * method will extract the relationship fragment and return it along side + * the rest. + * + * @param array $fragment The selector fragment maybe ending with a direction relationship combinator. + * + * @return array The selector without the relationship fragment if any, the relationship fragment. + */ + protected function extractRelationshipFromFragment(array $fragment) + { + $parents = []; + $children = []; + + $j = $i = \count($fragment); + + for (;;) { + $children = $j != $i ? \array_slice($fragment, $j, $i - $j) : []; + $parents = \array_slice($fragment, 0, $j); + $slice = end($parents); + + if (empty($slice) || ! $this->isImmediateRelationshipCombinator($slice[0])) { + break; + } + + $j -= 2; + } + + return [$parents, $children]; + } + + /** + * Combine selector single + * + * @param array $base + * @param array $other + * + * @return array + */ + protected function combineSelectorSingle($base, $other) + { + $tag = []; + $out = []; + $wasTag = false; + $pseudo = []; + + while (\count($other) && strpos(end($other), ':')===0) { + array_unshift($pseudo, array_pop($other)); + } + + foreach ([array_reverse($base), array_reverse($other)] as $single) { + $rang = count($single); + foreach ($single as $part) { + if (preg_match('/^[\[:]/', $part)) { + $out[] = $part; + $wasTag = false; + } elseif (preg_match('/^[\.#]/', $part)) { + array_unshift($out, $part); + $wasTag = false; + } elseif (preg_match('/^[^_-]/', $part) and $rang==1) { + $tag[] = $part; + $wasTag = true; + } elseif ($wasTag) { + $tag[\count($tag) - 1] .= $part; + } else { + array_unshift($out, $part); + } + $rang--; + } + } + + if (\count($tag)) { + array_unshift($out, $tag[0]); + } + + while (\count($pseudo)) { + $out[] = array_shift($pseudo); + } + + return $out; + } + + /** + * Compile media + * + * @param \ScssPhp\ScssPhp\Block $media + */ + protected function compileMedia(Block $media) + { + $this->pushEnv($media); + + $mediaQueries = $this->compileMediaQuery($this->multiplyMedia($this->env)); + + if (! empty($mediaQueries) && $mediaQueries) { + $previousScope = $this->scope; + $parentScope = $this->mediaParent($this->scope); + + foreach ($mediaQueries as $mediaQuery) { + $this->scope = $this->makeOutputBlock(Type::T_MEDIA, [$mediaQuery]); + + $parentScope->children[] = $this->scope; + $parentScope = $this->scope; + } + + // top level properties in a media cause it to be wrapped + $needsWrap = false; + + foreach ($media->children as $child) { + $type = $child[0]; + + if ($type !== Type::T_BLOCK && + $type !== Type::T_MEDIA && + $type !== Type::T_DIRECTIVE && + $type !== Type::T_IMPORT + ) { + $needsWrap = true; + break; + } + } + + if ($needsWrap) { + $wrapped = new Block; + $wrapped->sourceName = $media->sourceName; + $wrapped->sourceIndex = $media->sourceIndex; + $wrapped->sourceLine = $media->sourceLine; + $wrapped->sourceColumn = $media->sourceColumn; + $wrapped->selectors = []; + $wrapped->comments = []; + $wrapped->parent = $media; + $wrapped->children = $media->children; + + $media->children = [[Type::T_BLOCK, $wrapped]]; + + if (isset($this->lineNumberStyle)) { + $annotation = $this->makeOutputBlock(Type::T_COMMENT); + $annotation->depth = 0; + + $file = $this->sourceNames[$media->sourceIndex]; + $line = $media->sourceLine; + + switch ($this->lineNumberStyle) { + case static::LINE_COMMENTS: + $annotation->lines[] = '/* line ' . $line + . ($file ? ', ' . $file : '') + . ' */'; + break; + + case static::DEBUG_INFO: + $annotation->lines[] = '@media -sass-debug-info{' + . ($file ? 'filename{font-family:"' . $file . '"}' : '') + . 'line{font-family:' . $line . '}}'; + break; + } + + $this->scope->children[] = $annotation; + } + } + + $this->compileChildrenNoReturn($media->children, $this->scope); + + $this->scope = $previousScope; + } + + $this->popEnv(); + } + + /** + * Media parent + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $scope + * + * @return \ScssPhp\ScssPhp\Formatter\OutputBlock + */ + protected function mediaParent(OutputBlock $scope) + { + while (! empty($scope->parent)) { + if (! empty($scope->type) && $scope->type !== Type::T_MEDIA) { + break; + } + + $scope = $scope->parent; + } + + return $scope; + } + + /** + * Compile directive + * + * @param \ScssPhp\ScssPhp\Block|array $block + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + */ + protected function compileDirective($directive, OutputBlock $out) + { + if (\is_array($directive)) { + $s = '@' . $directive[0]; + + if (! empty($directive[1])) { + $s .= ' ' . $this->compileValue($directive[1]); + } + + $this->appendRootDirective($s . ';', $out); + } else { + $s = '@' . $directive->name; + + if (! empty($directive->value)) { + $s .= ' ' . $this->compileValue($directive->value); + } + + if ($directive->name === 'keyframes' || substr($directive->name, -10) === '-keyframes') { + $this->compileKeyframeBlock($directive, [$s]); + } else { + $this->compileNestedBlock($directive, [$s]); + } + } + } + + /** + * Compile at-root + * + * @param \ScssPhp\ScssPhp\Block $block + */ + protected function compileAtRoot(Block $block) + { + $env = $this->pushEnv($block); + $envs = $this->compactEnv($env); + list($with, $without) = $this->compileWith(isset($block->with) ? $block->with : null); + + // wrap inline selector + if ($block->selector) { + $wrapped = new Block; + $wrapped->sourceName = $block->sourceName; + $wrapped->sourceIndex = $block->sourceIndex; + $wrapped->sourceLine = $block->sourceLine; + $wrapped->sourceColumn = $block->sourceColumn; + $wrapped->selectors = $block->selector; + $wrapped->comments = []; + $wrapped->parent = $block; + $wrapped->children = $block->children; + $wrapped->selfParent = $block->selfParent; + + $block->children = [[Type::T_BLOCK, $wrapped]]; + $block->selector = null; + } + + $selfParent = $block->selfParent; + + if (! $block->selfParent->selectors && isset($block->parent) && $block->parent && + isset($block->parent->selectors) && $block->parent->selectors + ) { + $selfParent = $block->parent; + } + + $this->env = $this->filterWithWithout($envs, $with, $without); + + $saveScope = $this->scope; + $this->scope = $this->filterScopeWithWithout($saveScope, $with, $without); + + // propagate selfParent to the children where they still can be useful + $this->compileChildrenNoReturn($block->children, $this->scope, $selfParent); + + $this->scope = $this->completeScope($this->scope, $saveScope); + $this->scope = $saveScope; + $this->env = $this->extractEnv($envs); + + $this->popEnv(); + } + + /** + * Filter at-root scope depending of with/without option + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $scope + * @param array $with + * @param array $without + * + * @return mixed + */ + protected function filterScopeWithWithout($scope, $with, $without) + { + $filteredScopes = []; + $childStash = []; + + if ($scope->type === TYPE::T_ROOT) { + return $scope; + } + + // start from the root + while ($scope->parent && $scope->parent->type !== TYPE::T_ROOT) { + array_unshift($childStash, $scope); + $scope = $scope->parent; + } + + for (;;) { + if (! $scope) { + break; + } + + if ($this->isWith($scope, $with, $without)) { + $s = clone $scope; + $s->children = []; + $s->lines = []; + $s->parent = null; + + if ($s->type !== Type::T_MEDIA && $s->type !== Type::T_DIRECTIVE) { + $s->selectors = []; + } + + $filteredScopes[] = $s; + } + + if (\count($childStash)) { + $scope = array_shift($childStash); + } elseif ($scope->children) { + $scope = end($scope->children); + } else { + $scope = null; + } + } + + if (! \count($filteredScopes)) { + return $this->rootBlock; + } + + $newScope = array_shift($filteredScopes); + $newScope->parent = $this->rootBlock; + + $this->rootBlock->children[] = $newScope; + + $p = &$newScope; + + while (\count($filteredScopes)) { + $s = array_shift($filteredScopes); + $s->parent = $p; + $p->children[] = $s; + $newScope = &$p->children[0]; + $p = &$p->children[0]; + } + + return $newScope; + } + + /** + * found missing selector from a at-root compilation in the previous scope + * (if at-root is just enclosing a property, the selector is in the parent tree) + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $scope + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $previousScope + * + * @return mixed + */ + protected function completeScope($scope, $previousScope) + { + if (! $scope->type && (! $scope->selectors || ! \count($scope->selectors)) && \count($scope->lines)) { + $scope->selectors = $this->findScopeSelectors($previousScope, $scope->depth); + } + + if ($scope->children) { + foreach ($scope->children as $k => $c) { + $scope->children[$k] = $this->completeScope($c, $previousScope); + } + } + + return $scope; + } + + /** + * Find a selector by the depth node in the scope + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $scope + * @param integer $depth + * + * @return array + */ + protected function findScopeSelectors($scope, $depth) + { + if ($scope->depth === $depth && $scope->selectors) { + return $scope->selectors; + } + + if ($scope->children) { + foreach (array_reverse($scope->children) as $c) { + if ($s = $this->findScopeSelectors($c, $depth)) { + return $s; + } + } + } + + return []; + } + + /** + * Compile @at-root's with: inclusion / without: exclusion into 2 lists uses to filter scope/env later + * + * @param array $withCondition + * + * @return array + */ + protected function compileWith($withCondition) + { + // just compile what we have in 2 lists + $with = []; + $without = ['rule' => true]; + + if ($withCondition) { + if ($this->libMapHasKey([$withCondition, static::$with])) { + $without = []; // cancel the default + $list = $this->coerceList($this->libMapGet([$withCondition, static::$with])); + + foreach ($list[2] as $item) { + $keyword = $this->compileStringContent($this->coerceString($item)); + + $with[$keyword] = true; + } + } + + if ($this->libMapHasKey([$withCondition, static::$without])) { + $without = []; // cancel the default + $list = $this->coerceList($this->libMapGet([$withCondition, static::$without])); + + foreach ($list[2] as $item) { + $keyword = $this->compileStringContent($this->coerceString($item)); + + $without[$keyword] = true; + } + } + } + + return [$with, $without]; + } + + /** + * Filter env stack + * + * @param array $envs + * @param array $with + * @param array $without + * + * @return \ScssPhp\ScssPhp\Compiler\Environment + */ + protected function filterWithWithout($envs, $with, $without) + { + $filtered = []; + + foreach ($envs as $e) { + if ($e->block && ! $this->isWith($e->block, $with, $without)) { + $ec = clone $e; + $ec->block = null; + $ec->selectors = []; + + $filtered[] = $ec; + } else { + $filtered[] = $e; + } + } + + return $this->extractEnv($filtered); + } + + /** + * Filter WITH rules + * + * @param \ScssPhp\ScssPhp\Block|\ScssPhp\ScssPhp\Formatter\OutputBlock $block + * @param array $with + * @param array $without + * + * @return boolean + */ + protected function isWith($block, $with, $without) + { + if (isset($block->type)) { + if ($block->type === Type::T_MEDIA) { + return $this->testWithWithout('media', $with, $without); + } + + if ($block->type === Type::T_DIRECTIVE) { + if (isset($block->name)) { + return $this->testWithWithout($block->name, $with, $without); + } elseif (isset($block->selectors) && preg_match(',@(\w+),ims', json_encode($block->selectors), $m)) { + return $this->testWithWithout($m[1], $with, $without); + } else { + return $this->testWithWithout('???', $with, $without); + } + } + } elseif (isset($block->selectors)) { + // a selector starting with number is a keyframe rule + if (\count($block->selectors)) { + $s = reset($block->selectors); + + while (\is_array($s)) { + $s = reset($s); + } + + if (\is_object($s) && $s instanceof Node\Number) { + return $this->testWithWithout('keyframes', $with, $without); + } + } + + return $this->testWithWithout('rule', $with, $without); + } + + return true; + } + + /** + * Test a single type of block against with/without lists + * + * @param string $what + * @param array $with + * @param array $without + * + * @return boolean + * true if the block should be kept, false to reject + */ + protected function testWithWithout($what, $with, $without) + { + + // if without, reject only if in the list (or 'all' is in the list) + if (\count($without)) { + return (isset($without[$what]) || isset($without['all'])) ? false : true; + } + + // otherwise reject all what is not in the with list + return (isset($with[$what]) || isset($with['all'])) ? true : false; + } + + + /** + * Compile keyframe block + * + * @param \ScssPhp\ScssPhp\Block $block + * @param array $selectors + */ + protected function compileKeyframeBlock(Block $block, $selectors) + { + $env = $this->pushEnv($block); + + $envs = $this->compactEnv($env); + + $this->env = $this->extractEnv(array_filter($envs, function (Environment $e) { + return ! isset($e->block->selectors); + })); + + $this->scope = $this->makeOutputBlock($block->type, $selectors); + $this->scope->depth = 1; + $this->scope->parent->children[] = $this->scope; + + $this->compileChildrenNoReturn($block->children, $this->scope); + + $this->scope = $this->scope->parent; + $this->env = $this->extractEnv($envs); + + $this->popEnv(); + } + + /** + * Compile nested properties lines + * + * @param \ScssPhp\ScssPhp\Block $block + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + */ + protected function compileNestedPropertiesBlock(Block $block, OutputBlock $out) + { + $prefix = $this->compileValue($block->prefix) . '-'; + + $nested = $this->makeOutputBlock($block->type); + $nested->parent = $out; + + if ($block->hasValue) { + $nested->depth = $out->depth + 1; + } + + $out->children[] = $nested; + + foreach ($block->children as $child) { + switch ($child[0]) { + case Type::T_ASSIGN: + array_unshift($child[1][2], $prefix); + break; + + case Type::T_NESTED_PROPERTY: + array_unshift($child[1]->prefix[2], $prefix); + break; + } + + $this->compileChild($child, $nested); + } + } + + /** + * Compile nested block + * + * @param \ScssPhp\ScssPhp\Block $block + * @param array $selectors + */ + protected function compileNestedBlock(Block $block, $selectors) + { + $this->pushEnv($block); + + $this->scope = $this->makeOutputBlock($block->type, $selectors); + $this->scope->parent->children[] = $this->scope; + + // wrap assign children in a block + // except for @font-face + if ($block->type !== Type::T_DIRECTIVE || $block->name !== "font-face") { + // need wrapping? + $needWrapping = false; + + foreach ($block->children as $child) { + if ($child[0] === Type::T_ASSIGN) { + $needWrapping = true; + break; + } + } + + if ($needWrapping) { + $wrapped = new Block; + $wrapped->sourceName = $block->sourceName; + $wrapped->sourceIndex = $block->sourceIndex; + $wrapped->sourceLine = $block->sourceLine; + $wrapped->sourceColumn = $block->sourceColumn; + $wrapped->selectors = []; + $wrapped->comments = []; + $wrapped->parent = $block; + $wrapped->children = $block->children; + $wrapped->selfParent = $block->selfParent; + + $block->children = [[Type::T_BLOCK, $wrapped]]; + } + } + + $this->compileChildrenNoReturn($block->children, $this->scope); + + $this->scope = $this->scope->parent; + + $this->popEnv(); + } + + /** + * Recursively compiles a block. + * + * A block is analogous to a CSS block in most cases. A single SCSS document + * is encapsulated in a block when parsed, but it does not have parent tags + * so all of its children appear on the root level when compiled. + * + * Blocks are made up of selectors and children. + * + * The children of a block are just all the blocks that are defined within. + * + * Compiling the block involves pushing a fresh environment on the stack, + * and iterating through the props, compiling each one. + * + * @see Compiler::compileChild() + * + * @param \ScssPhp\ScssPhp\Block $block + */ + protected function compileBlock(Block $block) + { + $env = $this->pushEnv($block); + $env->selectors = $this->evalSelectors($block->selectors); + + $out = $this->makeOutputBlock(null); + + if (isset($this->lineNumberStyle) && \count($env->selectors) && \count($block->children)) { + $annotation = $this->makeOutputBlock(Type::T_COMMENT); + $annotation->depth = 0; + + $file = $this->sourceNames[$block->sourceIndex]; + $line = $block->sourceLine; + + switch ($this->lineNumberStyle) { + case static::LINE_COMMENTS: + $annotation->lines[] = '/* line ' . $line + . ($file ? ', ' . $file : '') + . ' */'; + break; + + case static::DEBUG_INFO: + $annotation->lines[] = '@media -sass-debug-info{' + . ($file ? 'filename{font-family:"' . $file . '"}' : '') + . 'line{font-family:' . $line . '}}'; + break; + } + + $this->scope->children[] = $annotation; + } + + $this->scope->children[] = $out; + + if (\count($block->children)) { + $out->selectors = $this->multiplySelectors($env, $block->selfParent); + + // propagate selfParent to the children where they still can be useful + $selfParentSelectors = null; + + if (isset($block->selfParent->selectors)) { + $selfParentSelectors = $block->selfParent->selectors; + $block->selfParent->selectors = $out->selectors; + } + + $this->compileChildrenNoReturn($block->children, $out, $block->selfParent); + + // and revert for the following children of the same block + if ($selfParentSelectors) { + $block->selfParent->selectors = $selfParentSelectors; + } + } + + $this->popEnv(); + } + + + /** + * Compile the value of a comment that can have interpolation + * + * @param array $value + * @param boolean $pushEnv + * + * @return array|mixed|string + */ + protected function compileCommentValue($value, $pushEnv = false) + { + $c = $value[1]; + + if (isset($value[2])) { + if ($pushEnv) { + $this->pushEnv(); + } + + $ignoreCallStackMessage = $this->ignoreCallStackMessage; + $this->ignoreCallStackMessage = true; + + try { + $c = $this->compileValue($value[2]); + } catch (\Exception $e) { + // ignore error in comment compilation which are only interpolation + } + + $this->ignoreCallStackMessage = $ignoreCallStackMessage; + + if ($pushEnv) { + $this->popEnv(); + } + } + + return $c; + } + + /** + * Compile root level comment + * + * @param array $block + */ + protected function compileComment($block) + { + $out = $this->makeOutputBlock(Type::T_COMMENT); + $out->lines[] = $this->compileCommentValue($block, true); + + $this->scope->children[] = $out; + } + + /** + * Evaluate selectors + * + * @param array $selectors + * + * @return array + */ + protected function evalSelectors($selectors) + { + $this->shouldEvaluate = false; + + $selectors = array_map([$this, 'evalSelector'], $selectors); + + // after evaluating interpolates, we might need a second pass + if ($this->shouldEvaluate) { + $selectors = $this->revertSelfSelector($selectors); + $buffer = $this->collapseSelectors($selectors); + $parser = $this->parserFactory(__METHOD__); + + if ($parser->parseSelector($buffer, $newSelectors)) { + $selectors = array_map([$this, 'evalSelector'], $newSelectors); + } + } + + return $selectors; + } + + /** + * Evaluate selector + * + * @param array $selector + * + * @return array + */ + protected function evalSelector($selector) + { + return array_map([$this, 'evalSelectorPart'], $selector); + } + + /** + * Evaluate selector part; replaces all the interpolates, stripping quotes + * + * @param array $part + * + * @return array + */ + protected function evalSelectorPart($part) + { + foreach ($part as &$p) { + if (\is_array($p) && ($p[0] === Type::T_INTERPOLATE || $p[0] === Type::T_STRING)) { + $p = $this->compileValue($p); + + // force re-evaluation + if (strpos($p, '&') !== false || strpos($p, ',') !== false) { + $this->shouldEvaluate = true; + } + } elseif (\is_string($p) && \strlen($p) >= 2 && + ($first = $p[0]) && ($first === '"' || $first === "'") && + substr($p, -1) === $first + ) { + $p = substr($p, 1, -1); + } + } + + return $this->flattenSelectorSingle($part); + } + + /** + * Collapse selectors + * + * @param array $selectors + * @param boolean $selectorFormat + * if false return a collapsed string + * if true return an array description of a structured selector + * + * @return string + */ + protected function collapseSelectors($selectors, $selectorFormat = false) + { + $parts = []; + + foreach ($selectors as $selector) { + $output = []; + $glueNext = false; + + foreach ($selector as $node) { + $compound = ''; + + array_walk_recursive( + $node, + function ($value, $key) use (&$compound) { + $compound .= $value; + } + ); + + if ($selectorFormat && $this->isImmediateRelationshipCombinator($compound)) { + if (\count($output)) { + $output[\count($output) - 1] .= ' ' . $compound; + } else { + $output[] = $compound; + } + + $glueNext = true; + } elseif ($glueNext) { + $output[\count($output) - 1] .= ' ' . $compound; + $glueNext = false; + } else { + $output[] = $compound; + } + } + + if ($selectorFormat) { + foreach ($output as &$o) { + $o = [Type::T_STRING, '', [$o]]; + } + + $output = [Type::T_LIST, ' ', $output]; + } else { + $output = implode(' ', $output); + } + + $parts[] = $output; + } + + if ($selectorFormat) { + $parts = [Type::T_LIST, ',', $parts]; + } else { + $parts = implode(', ', $parts); + } + + return $parts; + } + + /** + * Parse down the selector and revert [self] to "&" before a reparsing + * + * @param array $selectors + * + * @return array + */ + protected function revertSelfSelector($selectors) + { + foreach ($selectors as &$part) { + if (\is_array($part)) { + if ($part === [Type::T_SELF]) { + $part = '&'; + } else { + $part = $this->revertSelfSelector($part); + } + } + } + + return $selectors; + } + + /** + * Flatten selector single; joins together .classes and #ids + * + * @param array $single + * + * @return array + */ + protected function flattenSelectorSingle($single) + { + $joined = []; + + foreach ($single as $part) { + if (empty($joined) || + ! \is_string($part) || + preg_match('/[\[.:#%]/', $part) + ) { + $joined[] = $part; + continue; + } + + if (\is_array(end($joined))) { + $joined[] = $part; + } else { + $joined[\count($joined) - 1] .= $part; + } + } + + return $joined; + } + + /** + * Compile selector to string; self(&) should have been replaced by now + * + * @param string|array $selector + * + * @return string + */ + protected function compileSelector($selector) + { + if (! \is_array($selector)) { + return $selector; // media and the like + } + + return implode( + ' ', + array_map( + [$this, 'compileSelectorPart'], + $selector + ) + ); + } + + /** + * Compile selector part + * + * @param array $piece + * + * @return string + */ + protected function compileSelectorPart($piece) + { + foreach ($piece as &$p) { + if (! \is_array($p)) { + continue; + } + + switch ($p[0]) { + case Type::T_SELF: + $p = '&'; + break; + + default: + $p = $this->compileValue($p); + break; + } + } + + return implode($piece); + } + + /** + * Has selector placeholder? + * + * @param array $selector + * + * @return boolean + */ + protected function hasSelectorPlaceholder($selector) + { + if (! \is_array($selector)) { + return false; + } + + foreach ($selector as $parts) { + foreach ($parts as $part) { + if (\strlen($part) && '%' === $part[0]) { + return true; + } + } + } + + return false; + } + + protected function pushCallStack($name = '') + { + $this->callStack[] = [ + 'n' => $name, + Parser::SOURCE_INDEX => $this->sourceIndex, + Parser::SOURCE_LINE => $this->sourceLine, + Parser::SOURCE_COLUMN => $this->sourceColumn + ]; + + // infinite calling loop + if (\count($this->callStack) > 25000) { + // not displayed but you can var_dump it to deep debug + $msg = $this->callStackMessage(true, 100); + $msg = "Infinite calling loop"; + + $this->throwError($msg); + } + } + + protected function popCallStack() + { + array_pop($this->callStack); + } + + /** + * Compile children and return result + * + * @param array $stms + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + * @param string $traceName + * + * @return array|null + */ + protected function compileChildren($stms, OutputBlock $out, $traceName = '') + { + $this->pushCallStack($traceName); + + foreach ($stms as $stm) { + $ret = $this->compileChild($stm, $out); + + if (isset($ret)) { + $this->popCallStack(); + + return $ret; + } + } + + $this->popCallStack(); + + return null; + } + + /** + * Compile children and throw exception if unexpected @return + * + * @param array $stms + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + * @param \ScssPhp\ScssPhp\Block $selfParent + * @param string $traceName + * + * @throws \Exception + */ + protected function compileChildrenNoReturn($stms, OutputBlock $out, $selfParent = null, $traceName = '') + { + $this->pushCallStack($traceName); + + foreach ($stms as $stm) { + if ($selfParent && isset($stm[1]) && \is_object($stm[1]) && $stm[1] instanceof Block) { + $stm[1]->selfParent = $selfParent; + $ret = $this->compileChild($stm, $out); + $stm[1]->selfParent = null; + } elseif ($selfParent && \in_array($stm[0], [TYPE::T_INCLUDE, TYPE::T_EXTEND])) { + $stm['selfParent'] = $selfParent; + $ret = $this->compileChild($stm, $out); + unset($stm['selfParent']); + } else { + $ret = $this->compileChild($stm, $out); + } + + if (isset($ret)) { + $this->throwError('@return may only be used within a function'); + $this->popCallStack(); + + return; + } + } + + $this->popCallStack(); + } + + + /** + * evaluate media query : compile internal value keeping the structure inchanged + * + * @param array $queryList + * + * @return array + */ + protected function evaluateMediaQuery($queryList) + { + static $parser = null; + + $outQueryList = []; + + foreach ($queryList as $kql => $query) { + $shouldReparse = false; + + foreach ($query as $kq => $q) { + for ($i = 1; $i < \count($q); $i++) { + $value = $this->compileValue($q[$i]); + + // the parser had no mean to know if media type or expression if it was an interpolation + // so you need to reparse if the T_MEDIA_TYPE looks like anything else a media type + if ($q[0] == Type::T_MEDIA_TYPE && + (strpos($value, '(') !== false || + strpos($value, ')') !== false || + strpos($value, ':') !== false || + strpos($value, ',') !== false) + ) { + $shouldReparse = true; + } + + $queryList[$kql][$kq][$i] = [Type::T_KEYWORD, $value]; + } + } + + if ($shouldReparse) { + if (\is_null($parser)) { + $parser = $this->parserFactory(__METHOD__); + } + + $queryString = $this->compileMediaQuery([$queryList[$kql]]); + $queryString = reset($queryString); + + if (strpos($queryString, '@media ') === 0) { + $queryString = substr($queryString, 7); + $queries = []; + + if ($parser->parseMediaQueryList($queryString, $queries)) { + $queries = $this->evaluateMediaQuery($queries[2]); + + while (\count($queries)) { + $outQueryList[] = array_shift($queries); + } + + continue; + } + } + } + + $outQueryList[] = $queryList[$kql]; + } + + return $outQueryList; + } + + /** + * Compile media query + * + * @param array $queryList + * + * @return array + */ + protected function compileMediaQuery($queryList) + { + $start = '@media '; + $default = trim($start); + $out = []; + $current = ""; + + foreach ($queryList as $query) { + $type = null; + $parts = []; + + $mediaTypeOnly = true; + + foreach ($query as $q) { + if ($q[0] !== Type::T_MEDIA_TYPE) { + $mediaTypeOnly = false; + break; + } + } + + foreach ($query as $q) { + switch ($q[0]) { + case Type::T_MEDIA_TYPE: + $newType = array_map([$this, 'compileValue'], \array_slice($q, 1)); + + // combining not and anything else than media type is too risky and should be avoided + if (! $mediaTypeOnly) { + if (\in_array(Type::T_NOT, $newType) || ($type && \in_array(Type::T_NOT, $type) )) { + if ($type) { + array_unshift($parts, implode(' ', array_filter($type))); + } + + if (! empty($parts)) { + if (\strlen($current)) { + $current .= $this->formatter->tagSeparator; + } + + $current .= implode(' and ', $parts); + } + + if ($current) { + $out[] = $start . $current; + } + + $current = ""; + $type = null; + $parts = []; + } + } + + if ($newType === ['all'] && $default) { + $default = $start . 'all'; + } + + // all can be safely ignored and mixed with whatever else + if ($newType !== ['all']) { + if ($type) { + $type = $this->mergeMediaTypes($type, $newType); + + if (empty($type)) { + // merge failed : ignore this query that is not valid, skip to the next one + $parts = []; + $default = ''; // if everything fail, no @media at all + continue 3; + } + } else { + $type = $newType; + } + } + break; + + case Type::T_MEDIA_EXPRESSION: + if (isset($q[2])) { + $parts[] = '(' + . $this->compileValue($q[1]) + . $this->formatter->assignSeparator + . $this->compileValue($q[2]) + . ')'; + } else { + $parts[] = '(' + . $this->compileValue($q[1]) + . ')'; + } + break; + + case Type::T_MEDIA_VALUE: + $parts[] = $this->compileValue($q[1]); + break; + } + } + + if ($type) { + array_unshift($parts, implode(' ', array_filter($type))); + } + + if (! empty($parts)) { + if (\strlen($current)) { + $current .= $this->formatter->tagSeparator; + } + + $current .= implode(' and ', $parts); + } + } + + if ($current) { + $out[] = $start . $current; + } + + // no @media type except all, and no conflict? + if (! $out && $default) { + $out[] = $default; + } + + return $out; + } + + /** + * Merge direct relationships between selectors + * + * @param array $selectors1 + * @param array $selectors2 + * + * @return array + */ + protected function mergeDirectRelationships($selectors1, $selectors2) + { + if (empty($selectors1) || empty($selectors2)) { + return array_merge($selectors1, $selectors2); + } + + $part1 = end($selectors1); + $part2 = end($selectors2); + + if (! $this->isImmediateRelationshipCombinator($part1[0]) && $part1 !== $part2) { + return array_merge($selectors1, $selectors2); + } + + $merged = []; + + do { + $part1 = array_pop($selectors1); + $part2 = array_pop($selectors2); + + if (! $this->isImmediateRelationshipCombinator($part1[0]) && $part1 !== $part2) { + if ($this->isImmediateRelationshipCombinator(reset($merged)[0])) { + array_unshift($merged, [$part1[0] . $part2[0]]); + $merged = array_merge($selectors1, $selectors2, $merged); + } else { + $merged = array_merge($selectors1, [$part1], $selectors2, [$part2], $merged); + } + + break; + } + + array_unshift($merged, $part1); + } while (! empty($selectors1) && ! empty($selectors2)); + + return $merged; + } + + /** + * Merge media types + * + * @param array $type1 + * @param array $type2 + * + * @return array|null + */ + protected function mergeMediaTypes($type1, $type2) + { + if (empty($type1)) { + return $type2; + } + + if (empty($type2)) { + return $type1; + } + + if (\count($type1) > 1) { + $m1 = strtolower($type1[0]); + $t1 = strtolower($type1[1]); + } else { + $m1 = ''; + $t1 = strtolower($type1[0]); + } + + if (\count($type2) > 1) { + $m2 = strtolower($type2[0]); + $t2 = strtolower($type2[1]); + } else { + $m2 = ''; + $t2 = strtolower($type2[0]); + } + + if (($m1 === Type::T_NOT) ^ ($m2 === Type::T_NOT)) { + if ($t1 === $t2) { + return null; + } + + return [ + $m1 === Type::T_NOT ? $m2 : $m1, + $m1 === Type::T_NOT ? $t2 : $t1, + ]; + } + + if ($m1 === Type::T_NOT && $m2 === Type::T_NOT) { + // CSS has no way of representing "neither screen nor print" + if ($t1 !== $t2) { + return null; + } + + return [Type::T_NOT, $t1]; + } + + if ($t1 !== $t2) { + return null; + } + + // t1 == t2, neither m1 nor m2 are "not" + return [empty($m1)? $m2 : $m1, $t1]; + } + + /** + * Compile import; returns true if the value was something that could be imported + * + * @param array $rawPath + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + * @param boolean $once + * + * @return boolean + */ + protected function compileImport($rawPath, OutputBlock $out, $once = false) + { + if ($rawPath[0] === Type::T_STRING) { + $path = $this->compileStringContent($rawPath); + + if ($path = $this->findImport($path)) { + if (! $once || ! \in_array($path, $this->importedFiles)) { + $this->importFile($path, $out); + $this->importedFiles[] = $path; + } + + return true; + } + + $this->appendRootDirective('@import ' . $this->compileValue($rawPath). ';', $out); + + return false; + } + + if ($rawPath[0] === Type::T_LIST) { + // handle a list of strings + if (\count($rawPath[2]) === 0) { + return false; + } + + foreach ($rawPath[2] as $path) { + if ($path[0] !== Type::T_STRING) { + $this->appendRootDirective('@import ' . $this->compileValue($rawPath) . ';', $out); + + return false; + } + } + + foreach ($rawPath[2] as $path) { + $this->compileImport($path, $out, $once); + } + + return true; + } + + $this->appendRootDirective('@import ' . $this->compileValue($rawPath) . ';', $out); + + return false; + } + + + /** + * Append a root directive like @import or @charset as near as the possible from the source code + * (keeping before comments, @import and @charset coming before in the source code) + * + * @param string $line + * @param @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + * @param array $allowed + */ + protected function appendRootDirective($line, $out, $allowed = [Type::T_COMMENT]) + { + $root = $out; + + while ($root->parent) { + $root = $root->parent; + } + + $i = 0; + + while ($i < \count($root->children)) { + if (! isset($root->children[$i]->type) || ! \in_array($root->children[$i]->type, $allowed)) { + break; + } + + $i++; + } + + // remove incompatible children from the bottom of the list + $saveChildren = []; + + while ($i < \count($root->children)) { + $saveChildren[] = array_pop($root->children); + } + + // insert the directive as a comment + $child = $this->makeOutputBlock(Type::T_COMMENT); + $child->lines[] = $line; + $child->sourceName = $this->sourceNames[$this->sourceIndex]; + $child->sourceLine = $this->sourceLine; + $child->sourceColumn = $this->sourceColumn; + + $root->children[] = $child; + + // repush children + while (\count($saveChildren)) { + $root->children[] = array_pop($saveChildren); + } + } + + /** + * Append lines to the current output block: + * directly to the block or through a child if necessary + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + * @param string $type + * @param string|mixed $line + */ + protected function appendOutputLine(OutputBlock $out, $type, $line) + { + $outWrite = &$out; + + if ($type === Type::T_COMMENT) { + $parent = $out->parent; + + if (end($parent->children) !== $out) { + $outWrite = &$parent->children[\count($parent->children) - 1]; + } + } + + // check if it's a flat output or not + if (\count($out->children)) { + $lastChild = &$out->children[\count($out->children) - 1]; + + if ($lastChild->depth === $out->depth && + \is_null($lastChild->selectors) && + ! \count($lastChild->children) + ) { + $outWrite = $lastChild; + } else { + $nextLines = $this->makeOutputBlock($type); + $nextLines->parent = $out; + $nextLines->depth = $out->depth; + + $out->children[] = $nextLines; + $outWrite = &$nextLines; + } + } + + $outWrite->lines[] = $line; + } + + /** + * Compile child; returns a value to halt execution + * + * @param array $child + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + * + * @return array + */ + protected function compileChild($child, OutputBlock $out) + { + if (isset($child[Parser::SOURCE_LINE])) { + $this->sourceIndex = isset($child[Parser::SOURCE_INDEX]) ? $child[Parser::SOURCE_INDEX] : null; + $this->sourceLine = isset($child[Parser::SOURCE_LINE]) ? $child[Parser::SOURCE_LINE] : -1; + $this->sourceColumn = isset($child[Parser::SOURCE_COLUMN]) ? $child[Parser::SOURCE_COLUMN] : -1; + } elseif (\is_array($child) && isset($child[1]->sourceLine)) { + $this->sourceIndex = $child[1]->sourceIndex; + $this->sourceLine = $child[1]->sourceLine; + $this->sourceColumn = $child[1]->sourceColumn; + } elseif (! empty($out->sourceLine) && ! empty($out->sourceName)) { + $this->sourceLine = $out->sourceLine; + $this->sourceIndex = array_search($out->sourceName, $this->sourceNames); + $this->sourceColumn = $out->sourceColumn; + + if ($this->sourceIndex === false) { + $this->sourceIndex = null; + } + } + + switch ($child[0]) { + case Type::T_SCSSPHP_IMPORT_ONCE: + $rawPath = $this->reduce($child[1]); + + $this->compileImport($rawPath, $out, true); + break; + + case Type::T_IMPORT: + $rawPath = $this->reduce($child[1]); + + $this->compileImport($rawPath, $out); + break; + + case Type::T_DIRECTIVE: + $this->compileDirective($child[1], $out); + break; + + case Type::T_AT_ROOT: + $this->compileAtRoot($child[1]); + break; + + case Type::T_MEDIA: + $this->compileMedia($child[1]); + break; + + case Type::T_BLOCK: + $this->compileBlock($child[1]); + break; + + case Type::T_CHARSET: + if (! $this->charsetSeen) { + $this->charsetSeen = true; + $this->appendRootDirective('@charset ' . $this->compileValue($child[1]) . ';', $out); + } + break; + + case Type::T_CUSTOM_PROPERTY: + list(, $name, $value) = $child; + $compiledName = $this->compileValue($name); + + // if the value reduces to null from something else then + // the property should be discarded + if ($value[0] !== Type::T_NULL) { + $value = $this->reduce($value); + + if ($value[0] === Type::T_NULL || $value === static::$nullString) { + break; + } + } + + $compiledValue = $this->compileValue($value); + + $line = $this->formatter->customProperty( + $compiledName, + $compiledValue + ); + + $this->appendOutputLine($out, Type::T_ASSIGN, $line); + break; + + case Type::T_ASSIGN: + list(, $name, $value) = $child; + + if ($name[0] === Type::T_VARIABLE) { + $flags = isset($child[3]) ? $child[3] : []; + $isDefault = \in_array('!default', $flags); + $isGlobal = \in_array('!global', $flags); + + if ($isGlobal) { + $this->set($name[1], $this->reduce($value), false, $this->rootEnv, $value); + break; + } + + $shouldSet = $isDefault && + (\is_null($result = $this->get($name[1], false)) || + $result === static::$null); + + if (! $isDefault || $shouldSet) { + $this->set($name[1], $this->reduce($value), true, null, $value); + } + break; + } + + $compiledName = $this->compileValue($name); + + // handle shorthand syntaxes : size / line-height... + if (\in_array($compiledName, ['font', 'grid-row', 'grid-column', 'border-radius'])) { + if ($value[0] === Type::T_VARIABLE) { + // if the font value comes from variable, the content is already reduced + // (i.e., formulas were already calculated), so we need the original unreduced value + $value = $this->get($value[1], true, null, true); + } + + $shorthandValue=&$value; + + $shorthandDividerNeedsUnit = false; + $maxListElements = null; + $maxShorthandDividers = 1; + + switch ($compiledName) { + case 'border-radius': + $maxListElements = 4; + $shorthandDividerNeedsUnit = true; + break; + } + + if ($compiledName === 'font' and $value[0] === Type::T_LIST && $value[1]==',') { + // this is the case if more than one font is given: example: "font: 400 1em/1.3 arial,helvetica" + // we need to handle the first list element + $shorthandValue=&$value[2][0]; + } + + if ($shorthandValue[0] === Type::T_EXPRESSION && $shorthandValue[1] === '/') { + $revert = true; + + if ($shorthandDividerNeedsUnit) { + $divider = $shorthandValue[3]; + + if (\is_array($divider)) { + $divider = $this->reduce($divider, true); + } + + if (\intval($divider->dimension) and ! \count($divider->units)) { + $revert = false; + } + } + + if ($revert) { + $shorthandValue = $this->expToString($shorthandValue); + } + } elseif ($shorthandValue[0] === Type::T_LIST) { + foreach ($shorthandValue[2] as &$item) { + if ($item[0] === Type::T_EXPRESSION && $item[1] === '/') { + if ($maxShorthandDividers > 0) { + $revert = true; + // if the list of values is too long, this has to be a shorthand, + // otherwise it could be a real division + if (\is_null($maxListElements) or \count($shorthandValue[2]) <= $maxListElements) { + if ($shorthandDividerNeedsUnit) { + $divider = $item[3]; + + if (\is_array($divider)) { + $divider = $this->reduce($divider, true); + } + + if (\intval($divider->dimension) and ! \count($divider->units)) { + $revert = false; + } + } + } + + if ($revert) { + $item = $this->expToString($item); + $maxShorthandDividers--; + } + } + } + } + } + } + + // if the value reduces to null from something else then + // the property should be discarded + if ($value[0] !== Type::T_NULL) { + $value = $this->reduce($value); + + if ($value[0] === Type::T_NULL || $value === static::$nullString) { + break; + } + } + + $compiledValue = $this->compileValue($value); + + // ignore empty value + if (\strlen($compiledValue)) { + $line = $this->formatter->property( + $compiledName, + $compiledValue + ); + $this->appendOutputLine($out, Type::T_ASSIGN, $line); + } + break; + + case Type::T_COMMENT: + if ($out->type === Type::T_ROOT) { + $this->compileComment($child); + break; + } + + $line = $this->compileCommentValue($child, true); + $this->appendOutputLine($out, Type::T_COMMENT, $line); + break; + + case Type::T_MIXIN: + case Type::T_FUNCTION: + list(, $block) = $child; + // the block need to be able to go up to it's parent env to resolve vars + $block->parentEnv = $this->getStoreEnv(); + $this->set(static::$namespaces[$block->type] . $block->name, $block, true); + break; + + case Type::T_EXTEND: + foreach ($child[1] as $sel) { + $results = $this->evalSelectors([$sel]); + + foreach ($results as $result) { + // only use the first one + $result = current($result); + $selectors = $out->selectors; + + if (! $selectors && isset($child['selfParent'])) { + $selectors = $this->multiplySelectors($this->env, $child['selfParent']); + } + + $this->pushExtends($result, $selectors, $child); + } + } + break; + + case Type::T_IF: + list(, $if) = $child; + + if ($this->isTruthy($this->reduce($if->cond, true))) { + return $this->compileChildren($if->children, $out); + } + + foreach ($if->cases as $case) { + if ($case->type === Type::T_ELSE || + $case->type === Type::T_ELSEIF && $this->isTruthy($this->reduce($case->cond)) + ) { + return $this->compileChildren($case->children, $out); + } + } + break; + + case Type::T_EACH: + list(, $each) = $child; + + $list = $this->coerceList($this->reduce($each->list), ',', true); + + $this->pushEnv(); + + foreach ($list[2] as $item) { + if (\count($each->vars) === 1) { + $this->set($each->vars[0], $item, true); + } else { + list(,, $values) = $this->coerceList($item); + + foreach ($each->vars as $i => $var) { + $this->set($var, isset($values[$i]) ? $values[$i] : static::$null, true); + } + } + + $ret = $this->compileChildren($each->children, $out); + + if ($ret) { + if ($ret[0] !== Type::T_CONTROL) { + $store = $this->env->store; + $this->popEnv(); + $this->backPropagateEnv($store, $each->vars); + + return $ret; + } + + if ($ret[1]) { + break; + } + } + } + $store = $this->env->store; + $this->popEnv(); + $this->backPropagateEnv($store, $each->vars); + + break; + + case Type::T_WHILE: + list(, $while) = $child; + + while ($this->isTruthy($this->reduce($while->cond, true))) { + $ret = $this->compileChildren($while->children, $out); + + if ($ret) { + if ($ret[0] !== Type::T_CONTROL) { + return $ret; + } + + if ($ret[1]) { + break; + } + } + } + break; + + case Type::T_FOR: + list(, $for) = $child; + + $start = $this->reduce($for->start, true); + $end = $this->reduce($for->end, true); + + if (! ($start[2] == $end[2] || $end->unitless())) { + $this->throwError('Incompatible units: "%s" and "%s".', $start->unitStr(), $end->unitStr()); + + break; + } + + $unit = $start[2]; + $start = $start[1]; + $end = $end[1]; + + $d = $start < $end ? 1 : -1; + + $this->pushEnv(); + + for (;;) { + if ((! $for->until && $start - $d == $end) || + ($for->until && $start == $end) + ) { + break; + } + + $this->set($for->var, new Node\Number($start, $unit)); + $start += $d; + + $ret = $this->compileChildren($for->children, $out); + + if ($ret) { + if ($ret[0] !== Type::T_CONTROL) { + $store = $this->env->store; + $this->popEnv(); + $this->backPropagateEnv($store, [$for->var]); + return $ret; + } + + if ($ret[1]) { + break; + } + } + } + + $store = $this->env->store; + $this->popEnv(); + $this->backPropagateEnv($store, [$for->var]); + + break; + + case Type::T_BREAK: + return [Type::T_CONTROL, true]; + + case Type::T_CONTINUE: + return [Type::T_CONTROL, false]; + + case Type::T_RETURN: + return $this->reduce($child[1], true); + + case Type::T_NESTED_PROPERTY: + $this->compileNestedPropertiesBlock($child[1], $out); + break; + + case Type::T_INCLUDE: + // including a mixin + list(, $name, $argValues, $content, $argUsing) = $child; + + $mixin = $this->get(static::$namespaces['mixin'] . $name, false); + + if (! $mixin) { + $this->throwError("Undefined mixin $name"); + break; + } + + $callingScope = $this->getStoreEnv(); + + // push scope, apply args + $this->pushEnv(); + $this->env->depth--; + + // Find the parent selectors in the env to be able to know what '&' refers to in the mixin + // and assign this fake parent to childs + $selfParent = null; + + if (isset($child['selfParent']) && isset($child['selfParent']->selectors)) { + $selfParent = $child['selfParent']; + } else { + $parentSelectors = $this->multiplySelectors($this->env); + + if ($parentSelectors) { + $parent = new Block(); + $parent->selectors = $parentSelectors; + + foreach ($mixin->children as $k => $child) { + if (isset($child[1]) && \is_object($child[1]) && $child[1] instanceof Block) { + $mixin->children[$k][1]->parent = $parent; + } + } + } + } + + // clone the stored content to not have its scope spoiled by a further call to the same mixin + // i.e., recursive @include of the same mixin + if (isset($content)) { + $copyContent = clone $content; + $copyContent->scope = clone $callingScope; + + $this->setRaw(static::$namespaces['special'] . 'content', $copyContent, $this->env); + } else { + $this->setRaw(static::$namespaces['special'] . 'content', null, $this->env); + } + + // save the "using" argument list for applying it to when "@content" is invoked + if (isset($argUsing)) { + $this->setRaw(static::$namespaces['special'] . 'using', $argUsing, $this->env); + } else { + $this->setRaw(static::$namespaces['special'] . 'using', null, $this->env); + } + + if (isset($mixin->args)) { + $this->applyArguments($mixin->args, $argValues); + } + + $this->env->marker = 'mixin'; + + if (! empty($mixin->parentEnv)) { + $this->env->declarationScopeParent = $mixin->parentEnv; + } else { + $this->throwError("@mixin $name() without parentEnv"); + } + + $this->compileChildrenNoReturn($mixin->children, $out, $selfParent, $this->env->marker . " " . $name); + + $this->popEnv(); + break; + + case Type::T_MIXIN_CONTENT: + $env = isset($this->storeEnv) ? $this->storeEnv : $this->env; + $content = $this->get(static::$namespaces['special'] . 'content', false, $env); + $argUsing = $this->get(static::$namespaces['special'] . 'using', false, $env); + $argContent = $child[1]; + + if (! $content) { + break; + } + + $storeEnv = $this->storeEnv; + $varsUsing = []; + + if (isset($argUsing) && isset($argContent)) { + // Get the arguments provided for the content with the names provided in the "using" argument list + $this->storeEnv = null; + $varsUsing = $this->applyArguments($argUsing, $argContent, false); + } + + // restore the scope from the @content + $this->storeEnv = $content->scope; + + // append the vars from using if any + foreach ($varsUsing as $name => $val) { + $this->set($name, $val, true, $this->storeEnv); + } + + $this->compileChildrenNoReturn($content->children, $out); + + $this->storeEnv = $storeEnv; + break; + + case Type::T_DEBUG: + list(, $value) = $child; + + $fname = $this->sourceNames[$this->sourceIndex]; + $line = $this->sourceLine; + $value = $this->compileValue($this->reduce($value, true)); + + fwrite($this->stderr, "File $fname on line $line DEBUG: $value\n"); + break; + + case Type::T_WARN: + list(, $value) = $child; + + $fname = $this->sourceNames[$this->sourceIndex]; + $line = $this->sourceLine; + $value = $this->compileValue($this->reduce($value, true)); + + fwrite($this->stderr, "File $fname on line $line WARN: $value\n"); + break; + + case Type::T_ERROR: + list(, $value) = $child; + + $fname = $this->sourceNames[$this->sourceIndex]; + $line = $this->sourceLine; + $value = $this->compileValue($this->reduce($value, true)); + + $this->throwError("File $fname on line $line ERROR: $value\n"); + break; + + case Type::T_CONTROL: + $this->throwError('@break/@continue not permitted in this scope'); + break; + + default: + $this->throwError("unknown child type: $child[0]"); + } + } + + /** + * Reduce expression to string + * + * @param array $exp + * + * @return array + */ + protected function expToString($exp) + { + list(, $op, $left, $right, /* $inParens */, $whiteLeft, $whiteRight) = $exp; + + $content = [$this->reduce($left)]; + + if ($whiteLeft) { + $content[] = ' '; + } + + $content[] = $op; + + if ($whiteRight) { + $content[] = ' '; + } + + $content[] = $this->reduce($right); + + return [Type::T_STRING, '', $content]; + } + + /** + * Is truthy? + * + * @param array $value + * + * @return boolean + */ + protected function isTruthy($value) + { + return $value !== static::$false && $value !== static::$null; + } + + /** + * Is the value a direct relationship combinator? + * + * @param string $value + * + * @return boolean + */ + protected function isImmediateRelationshipCombinator($value) + { + return $value === '>' || $value === '+' || $value === '~'; + } + + /** + * Should $value cause its operand to eval + * + * @param array $value + * + * @return boolean + */ + protected function shouldEval($value) + { + switch ($value[0]) { + case Type::T_EXPRESSION: + if ($value[1] === '/') { + return $this->shouldEval($value[2]) || $this->shouldEval($value[3]); + } + + // fall-thru + case Type::T_VARIABLE: + case Type::T_FUNCTION_CALL: + return true; + } + + return false; + } + + /** + * Reduce value + * + * @param array $value + * @param boolean $inExp + * + * @return null|string|array|\ScssPhp\ScssPhp\Node\Number + */ + protected function reduce($value, $inExp = false) + { + if (\is_null($value)) { + return null; + } + + switch ($value[0]) { + case Type::T_EXPRESSION: + list(, $op, $left, $right, $inParens) = $value; + + $opName = isset(static::$operatorNames[$op]) ? static::$operatorNames[$op] : $op; + $inExp = $inExp || $this->shouldEval($left) || $this->shouldEval($right); + + $left = $this->reduce($left, true); + + if ($op !== 'and' && $op !== 'or') { + $right = $this->reduce($right, true); + } + + // special case: looks like css shorthand + if ($opName == 'div' && ! $inParens && ! $inExp && isset($right[2]) && + (($right[0] !== Type::T_NUMBER && $right[2] != '') || + ($right[0] === Type::T_NUMBER && ! $right->unitless())) + ) { + return $this->expToString($value); + } + + $left = $this->coerceForExpression($left); + $right = $this->coerceForExpression($right); + $ltype = $left[0]; + $rtype = $right[0]; + + $ucOpName = ucfirst($opName); + $ucLType = ucfirst($ltype); + $ucRType = ucfirst($rtype); + + // this tries: + // 1. op[op name][left type][right type] + // 2. op[left type][right type] (passing the op as first arg + // 3. op[op name] + $fn = "op${ucOpName}${ucLType}${ucRType}"; + + if (\is_callable([$this, $fn]) || + (($fn = "op${ucLType}${ucRType}") && + \is_callable([$this, $fn]) && + $passOp = true) || + (($fn = "op${ucOpName}") && + \is_callable([$this, $fn]) && + $genOp = true) + ) { + $coerceUnit = false; + + if (! isset($genOp) && + $left[0] === Type::T_NUMBER && $right[0] === Type::T_NUMBER + ) { + $coerceUnit = true; + + switch ($opName) { + case 'mul': + $targetUnit = $left[2]; + + foreach ($right[2] as $unit => $exp) { + $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) + $exp; + } + break; + + case 'div': + $targetUnit = $left[2]; + + foreach ($right[2] as $unit => $exp) { + $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) - $exp; + } + break; + + case 'mod': + $targetUnit = $left[2]; + break; + + default: + $targetUnit = $left->unitless() ? $right[2] : $left[2]; + } + + $baseUnitLeft = $left->isNormalizable(); + $baseUnitRight = $right->isNormalizable(); + + if ($baseUnitLeft && $baseUnitRight && $baseUnitLeft === $baseUnitRight) { + $left = $left->normalize(); + $right = $right->normalize(); + } + else { + if ($coerceUnit) { + $left = new Node\Number($left[1], []); + } + } + } + + $shouldEval = $inParens || $inExp; + + if (isset($passOp)) { + $out = $this->$fn($op, $left, $right, $shouldEval); + } else { + $out = $this->$fn($left, $right, $shouldEval); + } + + if (isset($out)) { + if ($coerceUnit && $out[0] === Type::T_NUMBER) { + $out = $out->coerce($targetUnit); + } + + return $out; + } + } + + return $this->expToString($value); + + case Type::T_UNARY: + list(, $op, $exp, $inParens) = $value; + + $inExp = $inExp || $this->shouldEval($exp); + $exp = $this->reduce($exp); + + if ($exp[0] === Type::T_NUMBER) { + switch ($op) { + case '+': + return new Node\Number($exp[1], $exp[2]); + + case '-': + return new Node\Number(-$exp[1], $exp[2]); + } + } + + if ($op === 'not') { + if ($inExp || $inParens) { + if ($exp === static::$false || $exp === static::$null) { + return static::$true; + } + + return static::$false; + } + + $op = $op . ' '; + } + + return [Type::T_STRING, '', [$op, $exp]]; + + case Type::T_VARIABLE: + return $this->reduce($this->get($value[1])); + + case Type::T_LIST: + foreach ($value[2] as &$item) { + $item = $this->reduce($item); + } + + return $value; + + case Type::T_MAP: + foreach ($value[1] as &$item) { + $item = $this->reduce($item); + } + + foreach ($value[2] as &$item) { + $item = $this->reduce($item); + } + + return $value; + + case Type::T_STRING: + foreach ($value[2] as &$item) { + if (\is_array($item) || $item instanceof \ArrayAccess) { + $item = $this->reduce($item); + } + } + + return $value; + + case Type::T_INTERPOLATE: + $value[1] = $this->reduce($value[1]); + + if ($inExp) { + return $value[1]; + } + + return $value; + + case Type::T_FUNCTION_CALL: + return $this->fncall($value[1], $value[2]); + + case Type::T_SELF: + $selfSelector = $this->multiplySelectors($this->env,!empty($this->env->block->selfParent) ? $this->env->block->selfParent : null); + $selfSelector = $this->collapseSelectors($selfSelector, true); + + return $selfSelector; + + default: + return $value; + } + } + + /** + * Function caller + * + * @param string $name + * @param array $argValues + * + * @return array|null + */ + protected function fncall($name, $argValues) + { + // SCSS @function + if ($this->callScssFunction($name, $argValues, $returnValue)) { + return $returnValue; + } + + // native PHP functions + if ($this->callNativeFunction($name, $argValues, $returnValue)) { + return $returnValue; + } + + // for CSS functions, simply flatten the arguments into a list + $listArgs = []; + + foreach ((array) $argValues as $arg) { + if (empty($arg[0])) { + $listArgs[] = $this->reduce($arg[1]); + } + } + + return [Type::T_FUNCTION, $name, [Type::T_LIST, ',', $listArgs]]; + } + + /** + * Normalize name + * + * @param string $name + * + * @return string + */ + protected function normalizeName($name) + { + return str_replace('-', '_', $name); + } + + /** + * Normalize value + * + * @param array $value + * + * @return array + */ + public function normalizeValue($value) + { + $value = $this->coerceForExpression($this->reduce($value)); + + switch ($value[0]) { + case Type::T_LIST: + $value = $this->extractInterpolation($value); + + if ($value[0] !== Type::T_LIST) { + return [Type::T_KEYWORD, $this->compileValue($value)]; + } + + foreach ($value[2] as $key => $item) { + $value[2][$key] = $this->normalizeValue($item); + } + + if (! empty($value['enclosing'])) { + unset($value['enclosing']); + } + + return $value; + + case Type::T_STRING: + return [$value[0], '"', [$this->compileStringContent($value)]]; + + case Type::T_NUMBER: + return $value->normalize(); + + case Type::T_INTERPOLATE: + return [Type::T_KEYWORD, $this->compileValue($value)]; + + default: + return $value; + } + } + + /** + * Add numbers + * + * @param array $left + * @param array $right + * + * @return \ScssPhp\ScssPhp\Node\Number + */ + protected function opAddNumberNumber($left, $right) + { + return new Node\Number($left[1] + $right[1], $left[2]); + } + + /** + * Multiply numbers + * + * @param array $left + * @param array $right + * + * @return \ScssPhp\ScssPhp\Node\Number + */ + protected function opMulNumberNumber($left, $right) + { + return new Node\Number($left[1] * $right[1], $left[2]); + } + + /** + * Subtract numbers + * + * @param array $left + * @param array $right + * + * @return \ScssPhp\ScssPhp\Node\Number + */ + protected function opSubNumberNumber($left, $right) + { + return new Node\Number($left[1] - $right[1], $left[2]); + } + + /** + * Divide numbers + * + * @param array $left + * @param array $right + * + * @return array|\ScssPhp\ScssPhp\Node\Number + */ + protected function opDivNumberNumber($left, $right) + { + if ($right[1] == 0) { + return ($left[1] == 0) ? static::$NaN : static::$Infinity; + } + + return new Node\Number($left[1] / $right[1], $left[2]); + } + + /** + * Mod numbers + * + * @param array $left + * @param array $right + * + * @return \ScssPhp\ScssPhp\Node\Number + */ + protected function opModNumberNumber($left, $right) + { + if ($right[1] == 0) { + return static::$NaN; + } + + return new Node\Number($left[1] % $right[1], $left[2]); + } + + /** + * Add strings + * + * @param array $left + * @param array $right + * + * @return array|null + */ + protected function opAdd($left, $right) + { + if ($strLeft = $this->coerceString($left)) { + if ($right[0] === Type::T_STRING) { + $right[1] = ''; + } + + $strLeft[2][] = $right; + + return $strLeft; + } + + if ($strRight = $this->coerceString($right)) { + if ($left[0] === Type::T_STRING) { + $left[1] = ''; + } + + array_unshift($strRight[2], $left); + + return $strRight; + } + + return null; + } + + /** + * Boolean and + * + * @param array $left + * @param array $right + * @param boolean $shouldEval + * + * @return array|null + */ + protected function opAnd($left, $right, $shouldEval) + { + $truthy = ($left === static::$null || $right === static::$null) || + ($left === static::$false || $left === static::$true) && + ($right === static::$false || $right === static::$true); + + if (! $shouldEval) { + if (! $truthy) { + return null; + } + } + + if ($left !== static::$false && $left !== static::$null) { + return $this->reduce($right, true); + } + + return $left; + } + + /** + * Boolean or + * + * @param array $left + * @param array $right + * @param boolean $shouldEval + * + * @return array|null + */ + protected function opOr($left, $right, $shouldEval) + { + $truthy = ($left === static::$null || $right === static::$null) || + ($left === static::$false || $left === static::$true) && + ($right === static::$false || $right === static::$true); + + if (! $shouldEval) { + if (! $truthy) { + return null; + } + } + + if ($left !== static::$false && $left !== static::$null) { + return $left; + } + + return $this->reduce($right, true); + } + + /** + * Compare colors + * + * @param string $op + * @param array $left + * @param array $right + * + * @return array + */ + protected function opColorColor($op, $left, $right) + { + $out = [Type::T_COLOR]; + + foreach ([1, 2, 3] as $i) { + $lval = isset($left[$i]) ? $left[$i] : 0; + $rval = isset($right[$i]) ? $right[$i] : 0; + + switch ($op) { + case '+': + $out[] = $lval + $rval; + break; + + case '-': + $out[] = $lval - $rval; + break; + + case '*': + $out[] = $lval * $rval; + break; + + case '%': + $out[] = $lval % $rval; + break; + + case '/': + if ($rval == 0) { + $this->throwError("color: Can't divide by zero"); + break 2; + } + + $out[] = (int) ($lval / $rval); + break; + + case '==': + return $this->opEq($left, $right); + + case '!=': + return $this->opNeq($left, $right); + + default: + $this->throwError("color: unknown op $op"); + break 2; + } + } + + if (isset($left[4])) { + $out[4] = $left[4]; + } elseif (isset($right[4])) { + $out[4] = $right[4]; + } + + return $this->fixColor($out); + } + + /** + * Compare color and number + * + * @param string $op + * @param array $left + * @param array $right + * + * @return array + */ + protected function opColorNumber($op, $left, $right) + { + $value = $right[1]; + + return $this->opColorColor( + $op, + $left, + [Type::T_COLOR, $value, $value, $value] + ); + } + + /** + * Compare number and color + * + * @param string $op + * @param array $left + * @param array $right + * + * @return array + */ + protected function opNumberColor($op, $left, $right) + { + $value = $left[1]; + + return $this->opColorColor( + $op, + [Type::T_COLOR, $value, $value, $value], + $right + ); + } + + /** + * Compare number1 == number2 + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opEq($left, $right) + { + if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) { + $lStr[1] = ''; + $rStr[1] = ''; + + $left = $this->compileValue($lStr); + $right = $this->compileValue($rStr); + } + + return $this->toBool($left === $right); + } + + /** + * Compare number1 != number2 + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opNeq($left, $right) + { + if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) { + $lStr[1] = ''; + $rStr[1] = ''; + + $left = $this->compileValue($lStr); + $right = $this->compileValue($rStr); + } + + return $this->toBool($left !== $right); + } + + /** + * Compare number1 >= number2 + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opGteNumberNumber($left, $right) + { + return $this->toBool($left[1] >= $right[1]); + } + + /** + * Compare number1 > number2 + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opGtNumberNumber($left, $right) + { + return $this->toBool($left[1] > $right[1]); + } + + /** + * Compare number1 <= number2 + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opLteNumberNumber($left, $right) + { + return $this->toBool($left[1] <= $right[1]); + } + + /** + * Compare number1 < number2 + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opLtNumberNumber($left, $right) + { + return $this->toBool($left[1] < $right[1]); + } + + /** + * Three-way comparison, aka spaceship operator + * + * @param array $left + * @param array $right + * + * @return \ScssPhp\ScssPhp\Node\Number + */ + protected function opCmpNumberNumber($left, $right) + { + $n = $left[1] - $right[1]; + + return new Node\Number($n ? $n / abs($n) : 0, ''); + } + + /** + * Cast to boolean + * + * @api + * + * @param mixed $thing + * + * @return array + */ + public function toBool($thing) + { + return $thing ? static::$true : static::$false; + } + + /** + * Compiles a primitive value into a CSS property value. + * + * Values in scssphp are typed by being wrapped in arrays, their format is + * typically: + * + * array(type, contents [, additional_contents]*) + * + * The input is expected to be reduced. This function will not work on + * things like expressions and variables. + * + * @api + * + * @param array $value + * + * @return string|array + */ + public function compileValue($value) + { + $value = $this->reduce($value); + + switch ($value[0]) { + case Type::T_KEYWORD: + return $value[1]; + + case Type::T_COLOR: + // [1] - red component (either number for a %) + // [2] - green component + // [3] - blue component + // [4] - optional alpha component + list(, $r, $g, $b) = $value; + + $r = $this->compileRGBAValue($r); + $g = $this->compileRGBAValue($g); + $b = $this->compileRGBAValue($b); + + if (\count($value) === 5) { + $alpha = $this->compileRGBAValue($value[4], true); + + if (! is_numeric($alpha) || $alpha < 1) { + $colorName = Colors::RGBaToColorName($r, $g, $b, $alpha); + + if (! \is_null($colorName)) { + return $colorName; + } + + if (is_numeric($alpha)) { + $a = new Node\Number($alpha, ''); + } else { + $a = $alpha; + } + + return 'rgba(' . $r . ', ' . $g . ', ' . $b . ', ' . $a . ')'; + } + } + + if (! is_numeric($r) || ! is_numeric($g) || ! is_numeric($b)) { + return 'rgb(' . $r . ', ' . $g . ', ' . $b . ')'; + } + + $colorName = Colors::RGBaToColorName($r, $g, $b); + + if (! \is_null($colorName)) { + return $colorName; + } + + $h = sprintf('#%02x%02x%02x', $r, $g, $b); + + // Converting hex color to short notation (e.g. #003399 to #039) + if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) { + $h = '#' . $h[1] . $h[3] . $h[5]; + } + + return $h; + + case Type::T_NUMBER: + return $value->output($this); + + case Type::T_STRING: + return $value[1] . $this->compileStringContent($value) . $value[1]; + + case Type::T_FUNCTION: + $args = ! empty($value[2]) ? $this->compileValue($value[2]) : ''; + + return "$value[1]($args)"; + + case Type::T_LIST: + $value = $this->extractInterpolation($value); + + if ($value[0] !== Type::T_LIST) { + return $this->compileValue($value); + } + + list(, $delim, $items) = $value; + $pre = $post = ""; + + if (! empty($value['enclosing'])) { + switch ($value['enclosing']) { + case 'parent': + //$pre = "("; + //$post = ")"; + break; + case 'forced_parent': + $pre = "("; + $post = ")"; + break; + case 'bracket': + case 'forced_bracket': + $pre = "["; + $post = "]"; + break; + } + } + + $prefix_value = ''; + if ($delim !== ' ') { + $prefix_value = ' '; + } + + $filtered = []; + + foreach ($items as $item) { + if ($item[0] === Type::T_NULL) { + continue; + } + + $compiled = $this->compileValue($item); + if ($prefix_value && \strlen($compiled)) { + $compiled = $prefix_value . $compiled; + } + $filtered[] = $compiled; + } + + return $pre . substr(implode("$delim", $filtered), \strlen($prefix_value)) . $post; + + case Type::T_MAP: + $keys = $value[1]; + $values = $value[2]; + $filtered = []; + + for ($i = 0, $s = \count($keys); $i < $s; $i++) { + $filtered[$this->compileValue($keys[$i])] = $this->compileValue($values[$i]); + } + + array_walk($filtered, function (&$value, $key) { + $value = $key . ': ' . $value; + }); + + return '(' . implode(', ', $filtered) . ')'; + + case Type::T_INTERPOLATED: + // node created by extractInterpolation + list(, $interpolate, $left, $right) = $value; + list(,, $whiteLeft, $whiteRight) = $interpolate; + + $delim = $left[1]; + + if ($delim && $delim !== ' ' && ! $whiteLeft) { + $delim .= ' '; + } + + $left = \count($left[2]) > 0 ? + $this->compileValue($left) . $delim . $whiteLeft: ''; + + $delim = $right[1]; + + if ($delim && $delim !== ' ') { + $delim .= ' '; + } + + $right = \count($right[2]) > 0 ? + $whiteRight . $delim . $this->compileValue($right) : ''; + + return $left . $this->compileValue($interpolate) . $right; + + case Type::T_INTERPOLATE: + // strip quotes if it's a string + $reduced = $this->reduce($value[1]); + + switch ($reduced[0]) { + case Type::T_LIST: + $reduced = $this->extractInterpolation($reduced); + + if ($reduced[0] !== Type::T_LIST) { + break; + } + + list(, $delim, $items) = $reduced; + + if ($delim !== ' ') { + $delim .= ' '; + } + + $filtered = []; + + foreach ($items as $item) { + if ($item[0] === Type::T_NULL) { + continue; + } + + $temp = $this->compileValue([Type::T_KEYWORD, $item]); + + if ($temp[0] === Type::T_STRING) { + $filtered[] = $this->compileStringContent($temp); + } elseif ($temp[0] === Type::T_KEYWORD) { + $filtered[] = $temp[1]; + } else { + $filtered[] = $this->compileValue($temp); + } + } + + $reduced = [Type::T_KEYWORD, implode("$delim", $filtered)]; + break; + + case Type::T_STRING: + $reduced = [Type::T_KEYWORD, $this->compileStringContent($reduced)]; + break; + + case Type::T_NULL: + $reduced = [Type::T_KEYWORD, '']; + } + + return $this->compileValue($reduced); + + case Type::T_NULL: + return 'null'; + + case Type::T_COMMENT: + return $this->compileCommentValue($value); + + default: + $this->throwError("unknown value type: ".json_encode($value)); + } + } + + /** + * Flatten list + * + * @param array $list + * + * @return string + */ + protected function flattenList($list) + { + return $this->compileValue($list); + } + + /** + * Compile string content + * + * @param array $string + * + * @return string + */ + protected function compileStringContent($string) + { + $parts = []; + + foreach ($string[2] as $part) { + if (\is_array($part) || $part instanceof \ArrayAccess) { + $parts[] = $this->compileValue($part); + } else { + $parts[] = $part; + } + } + + return implode($parts); + } + + /** + * Extract interpolation; it doesn't need to be recursive, compileValue will handle that + * + * @param array $list + * + * @return array + */ + protected function extractInterpolation($list) + { + $items = $list[2]; + + foreach ($items as $i => $item) { + if ($item[0] === Type::T_INTERPOLATE) { + $before = [Type::T_LIST, $list[1], \array_slice($items, 0, $i)]; + $after = [Type::T_LIST, $list[1], \array_slice($items, $i + 1)]; + + return [Type::T_INTERPOLATED, $item, $before, $after]; + } + } + + return $list; + } + + /** + * Find the final set of selectors + * + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * @param \ScssPhp\ScssPhp\Block $selfParent + * + * @return array + */ + protected function multiplySelectors(Environment $env, $selfParent = null) + { + $envs = $this->compactEnv($env); + $selectors = []; + $parentSelectors = [[]]; + + $selfParentSelectors = null; + + if (! \is_null($selfParent) && $selfParent->selectors) { + $selfParentSelectors = $this->evalSelectors($selfParent->selectors); + } + + while ($env = array_pop($envs)) { + if (empty($env->selectors)) { + continue; + } + + $selectors = $env->selectors; + + do { + $stillHasSelf = false; + $prevSelectors = $selectors; + $selectors = []; + + foreach ($prevSelectors as $selector) { + foreach ($parentSelectors as $parent) { + if ($selfParentSelectors) { + foreach ($selfParentSelectors as $selfParent) { + // if no '&' in the selector, each call will give same result, only add once + $s = $this->joinSelectors($parent, $selector, $stillHasSelf, $selfParent); + $selectors[serialize($s)] = $s; + } + } else { + $s = $this->joinSelectors($parent, $selector, $stillHasSelf); + $selectors[serialize($s)] = $s; + } + } + } + } while ($stillHasSelf); + + $parentSelectors = $selectors; + } + + $selectors = array_values($selectors); + + // case we are just starting a at-root : nothing to multiply but parentSelectors + if (!$selectors and $selfParentSelectors) { + $selectors = $selfParentSelectors; + } + + return $selectors; + } + + /** + * Join selectors; looks for & to replace, or append parent before child + * + * @param array $parent + * @param array $child + * @param boolean $stillHasSelf + * @param array $selfParentSelectors + + * @return array + */ + protected function joinSelectors($parent, $child, &$stillHasSelf, $selfParentSelectors = null) + { + $setSelf = false; + $out = []; + + foreach ($child as $part) { + $newPart = []; + + foreach ($part as $p) { + // only replace & once and should be recalled to be able to make combinations + if ($p === static::$selfSelector && $setSelf) { + $stillHasSelf = true; + } + + if ($p === static::$selfSelector && ! $setSelf) { + $setSelf = true; + + if (\is_null($selfParentSelectors)) { + $selfParentSelectors = $parent; + } + + foreach ($selfParentSelectors as $i => $parentPart) { + if ($i > 0) { + $out[] = $newPart; + $newPart = []; + } + + foreach ($parentPart as $pp) { + if (\is_array($pp)) { + $flatten = []; + + array_walk_recursive($pp, function ($a) use (&$flatten) { + $flatten[] = $a; + }); + + $pp = implode($flatten); + } + + $newPart[] = $pp; + } + } + } else { + $newPart[] = $p; + } + } + + $out[] = $newPart; + } + + return $setSelf ? $out : array_merge($parent, $child); + } + + /** + * Multiply media + * + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * @param array $childQueries + * + * @return array + */ + protected function multiplyMedia(Environment $env = null, $childQueries = null) + { + if (! isset($env) || + ! empty($env->block->type) && $env->block->type !== Type::T_MEDIA + ) { + return $childQueries; + } + + // plain old block, skip + if (empty($env->block->type)) { + return $this->multiplyMedia($env->parent, $childQueries); + } + + $parentQueries = isset($env->block->queryList) + ? $env->block->queryList + : [[[Type::T_MEDIA_VALUE, $env->block->value]]]; + + $store = [$this->env, $this->storeEnv]; + + $this->env = $env; + $this->storeEnv = null; + $parentQueries = $this->evaluateMediaQuery($parentQueries); + + list($this->env, $this->storeEnv) = $store; + + if (\is_null($childQueries)) { + $childQueries = $parentQueries; + } else { + $originalQueries = $childQueries; + $childQueries = []; + + foreach ($parentQueries as $parentQuery) { + foreach ($originalQueries as $childQuery) { + $childQueries[] = array_merge( + $parentQuery, + [[Type::T_MEDIA_TYPE, [Type::T_KEYWORD, 'all']]], + $childQuery + ); + } + } + } + + return $this->multiplyMedia($env->parent, $childQueries); + } + + /** + * Convert env linked list to stack + * + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * + * @return array + */ + protected function compactEnv(Environment $env) + { + for ($envs = []; $env; $env = $env->parent) { + $envs[] = $env; + } + + return $envs; + } + + /** + * Convert env stack to singly linked list + * + * @param array $envs + * + * @return \ScssPhp\ScssPhp\Compiler\Environment + */ + protected function extractEnv($envs) + { + for ($env = null; $e = array_pop($envs);) { + $e->parent = $env; + $env = $e; + } + + return $env; + } + + /** + * Push environment + * + * @param \ScssPhp\ScssPhp\Block $block + * + * @return \ScssPhp\ScssPhp\Compiler\Environment + */ + protected function pushEnv(Block $block = null) + { + $env = new Environment; + $env->parent = $this->env; + $env->parentStore = $this->storeEnv; + $env->store = []; + $env->block = $block; + $env->depth = isset($this->env->depth) ? $this->env->depth + 1 : 0; + + $this->env = $env; + $this->storeEnv = null; + + return $env; + } + + /** + * Pop environment + */ + protected function popEnv() + { + $this->storeEnv = $this->env->parentStore; + $this->env = $this->env->parent; + } + + /** + * Propagate vars from a just poped Env (used in @each and @for) + * + * @param array $store + * @param null|array $excludedVars + */ + protected function backPropagateEnv($store, $excludedVars = null) + { + foreach ($store as $key => $value) { + if (empty($excludedVars) || ! \in_array($key, $excludedVars)) { + $this->set($key, $value, true); + } + } + } + + /** + * Get store environment + * + * @return \ScssPhp\ScssPhp\Compiler\Environment + */ + protected function getStoreEnv() + { + return isset($this->storeEnv) ? $this->storeEnv : $this->env; + } + + /** + * Set variable + * + * @param string $name + * @param mixed $value + * @param boolean $shadow + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * @param mixed $valueUnreduced + */ + protected function set($name, $value, $shadow = false, Environment $env = null, $valueUnreduced = null) + { + $name = $this->normalizeName($name); + + if (! isset($env)) { + $env = $this->getStoreEnv(); + } + + if ($shadow) { + $this->setRaw($name, $value, $env, $valueUnreduced); + } else { + $this->setExisting($name, $value, $env, $valueUnreduced); + } + } + + /** + * Set existing variable + * + * @param string $name + * @param mixed $value + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * @param mixed $valueUnreduced + */ + protected function setExisting($name, $value, Environment $env, $valueUnreduced = null) + { + $storeEnv = $env; + $specialContentKey = static::$namespaces['special'] . 'content'; + + $hasNamespace = $name[0] === '^' || $name[0] === '@' || $name[0] === '%'; + + $maxDepth = 10000; + + for (;;) { + if ($maxDepth-- <= 0) { + break; + } + + if (\array_key_exists($name, $env->store)) { + break; + } + + if (! $hasNamespace && isset($env->marker)) { + if (! empty($env->store[$specialContentKey])) { + $env = $env->store[$specialContentKey]->scope; + continue; + } + + if (! empty($env->declarationScopeParent)) { + $env = $env->declarationScopeParent; + continue; + } else { + $env = $storeEnv; + break; + } + } + + if (isset($env->parentStore)) { + $env = $env->parentStore; + } elseif (isset($env->parent)) { + $env = $env->parent; + } else { + $env = $storeEnv; + break; + } + } + + $env->store[$name] = $value; + + if ($valueUnreduced) { + $env->storeUnreduced[$name] = $valueUnreduced; + } + } + + /** + * Set raw variable + * + * @param string $name + * @param mixed $value + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * @param mixed $valueUnreduced + */ + protected function setRaw($name, $value, Environment $env, $valueUnreduced = null) + { + $env->store[$name] = $value; + + if ($valueUnreduced) { + $env->storeUnreduced[$name] = $valueUnreduced; + } + } + + /** + * Get variable + * + * @api + * + * @param string $name + * @param boolean $shouldThrow + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * @param boolean $unreduced + * + * @return mixed|null + */ + public function get($name, $shouldThrow = true, Environment $env = null, $unreduced = false) + { + $normalizedName = $this->normalizeName($name); + $specialContentKey = static::$namespaces['special'] . 'content'; + + if (! isset($env)) { + $env = $this->getStoreEnv(); + } + + $hasNamespace = $normalizedName[0] === '^' || $normalizedName[0] === '@' || $normalizedName[0] === '%'; + + $maxDepth = 10000; + + for (;;) { + if ($maxDepth-- <= 0) { + break; + } + + if (\array_key_exists($normalizedName, $env->store)) { + if ($unreduced && isset($env->storeUnreduced[$normalizedName])) { + return $env->storeUnreduced[$normalizedName]; + } + + return $env->store[$normalizedName]; + } + + if (! $hasNamespace && isset($env->marker)) { + if (! empty($env->store[$specialContentKey])) { + $env = $env->store[$specialContentKey]->scope; + continue; + } + + if (! empty($env->declarationScopeParent)) { + $env = $env->declarationScopeParent; + } else { + $env = $this->rootEnv; + } + continue; + } + + if (isset($env->parentStore)) { + $env = $env->parentStore; + } elseif (isset($env->parent)) { + $env = $env->parent; + } else { + break; + } + } + + if ($shouldThrow) { + $this->throwError("Undefined variable \$$name" . ($maxDepth <= 0 ? " (infinite recursion)" : "")); + } + + // found nothing + return null; + } + + /** + * Has variable? + * + * @param string $name + * @param \ScssPhp\ScssPhp\Compiler\Environment $env + * + * @return boolean + */ + protected function has($name, Environment $env = null) + { + return ! \is_null($this->get($name, false, $env)); + } + + /** + * Inject variables + * + * @param array $args + */ + protected function injectVariables(array $args) + { + if (empty($args)) { + return; + } + + $parser = $this->parserFactory(__METHOD__); + + foreach ($args as $name => $strValue) { + if ($name[0] === '$') { + $name = substr($name, 1); + } + + if (! $parser->parseValue($strValue, $value)) { + $value = $this->coerceValue($strValue); + } + + $this->set($name, $value); + } + } + + /** + * Set variables + * + * @api + * + * @param array $variables + */ + public function setVariables(array $variables) + { + $this->registeredVars = array_merge($this->registeredVars, $variables); + } + + /** + * Unset variable + * + * @api + * + * @param string $name + */ + public function unsetVariable($name) + { + unset($this->registeredVars[$name]); + } + + /** + * Returns list of variables + * + * @api + * + * @return array + */ + public function getVariables() + { + return $this->registeredVars; + } + + /** + * Adds to list of parsed files + * + * @api + * + * @param string $path + */ + public function addParsedFile($path) + { + if (isset($path) && is_file($path)) { + $this->parsedFiles[realpath($path)] = filemtime($path); + } + } + + /** + * Returns list of parsed files + * + * @api + * + * @return array + */ + public function getParsedFiles() + { + return $this->parsedFiles; + } + + /** + * Add import path + * + * @api + * + * @param string|callable $path + */ + public function addImportPath($path) + { + if (! \in_array($path, $this->importPaths)) { + $this->importPaths[] = $path; + } + } + + /** + * Set import paths + * + * @api + * + * @param string|array $path + */ + public function setImportPaths($path) + { + $this->importPaths = (array) $path; + } + + /** + * Set number precision + * + * @api + * + * @param integer $numberPrecision + */ + public function setNumberPrecision($numberPrecision) + { + Node\Number::$precision = $numberPrecision; + } + + /** + * Set formatter + * + * @api + * + * @param string $formatterName + */ + public function setFormatter($formatterName) + { + $this->formatter = $formatterName; + } + + /** + * Set line number style + * + * @api + * + * @param string $lineNumberStyle + */ + public function setLineNumberStyle($lineNumberStyle) + { + $this->lineNumberStyle = $lineNumberStyle; + } + + /** + * Enable/disable source maps + * + * @api + * + * @param integer $sourceMap + */ + public function setSourceMap($sourceMap) + { + $this->sourceMap = $sourceMap; + } + + /** + * Set source map options + * + * @api + * + * @param array $sourceMapOptions + */ + public function setSourceMapOptions($sourceMapOptions) + { + $this->sourceMapOptions = $sourceMapOptions; + } + + /** + * Register function + * + * @api + * + * @param string $name + * @param callable $func + * @param array $prototype + */ + public function registerFunction($name, $func, $prototype = null) + { + $this->userFunctions[$this->normalizeName($name)] = [$func, $prototype]; + } + + /** + * Unregister function + * + * @api + * + * @param string $name + */ + public function unregisterFunction($name) + { + unset($this->userFunctions[$this->normalizeName($name)]); + } + + /** + * Add feature + * + * @api + * + * @param string $name + */ + public function addFeature($name) + { + $this->registeredFeatures[$name] = true; + } + + /** + * Import file + * + * @param string $path + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $out + */ + protected function importFile($path, OutputBlock $out) + { + $this->pushCallStack('import '.$path); + // see if tree is cached + $realPath = realpath($path); + + if (isset($this->importCache[$realPath])) { + $this->handleImportLoop($realPath); + + $tree = $this->importCache[$realPath]; + } else { + $code = file_get_contents($path); + $parser = $this->parserFactory($path); + $tree = $parser->parse($code); + + $this->importCache[$realPath] = $tree; + } + + $pi = pathinfo($path); + + array_unshift($this->importPaths, $pi['dirname']); + $this->compileChildrenNoReturn($tree->children, $out); + array_shift($this->importPaths); + $this->popCallStack(); + } + + /** + * Return the file path for an import url if it exists + * + * @api + * + * @param string $url + * + * @return string|null + */ + public function findImport($url) + { + $urls = []; + + $hasExtension = preg_match('/[.]s?css$/', $url); + + // for "normal" scss imports (ignore vanilla css and external requests) + if (! preg_match('~\.css$|^https?://|^//~', $url)) { + $isPartial = (strpos(basename($url), '_') === 0); + + // try both normal and the _partial filename + $urls = [$url . ($hasExtension ? '' : '.scss')]; + + if (! $isPartial) { + $urls[] = preg_replace('~[^/]+$~', '_\0', $url) . ($hasExtension ? '' : '.scss'); + } + + if (! $hasExtension) { + $urls[] = "$url/index.scss"; + $urls[] = "$url/_index.scss"; + // allow to find a plain css file, *if* no scss or partial scss is found + $urls[] .= $url . ".css"; + } + } + + foreach ($this->importPaths as $dir) { + if (\is_string($dir)) { + // check urls for normal import paths + foreach ($urls as $full) { + $separator = ( + ! empty($dir) && + substr($dir, -1) !== '/' && + substr($full, 0, 1) !== '/' + ) ? '/' : ''; + $full = $dir . $separator . $full; + + if (is_file($file = $full)) { + return $file; + } + } + } elseif (\is_callable($dir)) { + // check custom callback for import path + $file = \call_user_func($dir, $url); + + if (! \is_null($file)) { + return $file; + } + } + } + + if ($urls) { + if (! $hasExtension or preg_match('/[.]scss$/', $url)) { + $this->throwError("`$url` file not found for @import"); + } + } + + return null; + } + + /** + * Set encoding + * + * @api + * + * @param string $encoding + */ + public function setEncoding($encoding) + { + $this->encoding = $encoding; + } + + /** + * Ignore errors? + * + * @api + * + * @param boolean $ignoreErrors + * + * @return \ScssPhp\ScssPhp\Compiler + */ + public function setIgnoreErrors($ignoreErrors) + { + $this->ignoreErrors = $ignoreErrors; + + return $this; + } + + /** + * Throw error (exception) + * + * @api + * + * @param string $msg Message with optional sprintf()-style vararg parameters + * + * @throws \ScssPhp\ScssPhp\Exception\CompilerException + */ + public function throwError($msg) + { + if ($this->ignoreErrors) { + return; + } + + if (\func_num_args() > 1) { + $msg = \call_user_func_array('sprintf', \func_get_args()); + } + + if (! $this->ignoreCallStackMessage) { + $line = $this->sourceLine; + $column = $this->sourceColumn; + + $loc = isset($this->sourceNames[$this->sourceIndex]) + ? $this->sourceNames[$this->sourceIndex] . " on line $line, at column $column" + : "line: $line, column: $column"; + + $msg = "$msg: $loc"; + + $callStackMsg = $this->callStackMessage(); + + if ($callStackMsg) { + $msg .= "\nCall Stack:\n" . $callStackMsg; + } + } + + throw new CompilerException($msg); + } + + /** + * Beautify call stack for output + * + * @param boolean $all + * @param null $limit + * + * @return string + */ + protected function callStackMessage($all = false, $limit = null) + { + $callStackMsg = []; + $ncall = 0; + + if ($this->callStack) { + foreach (array_reverse($this->callStack) as $call) { + if ($all || (isset($call['n']) && $call['n'])) { + $msg = "#" . $ncall++ . " " . $call['n'] . " "; + $msg .= (isset($this->sourceNames[$call[Parser::SOURCE_INDEX]]) + ? $this->sourceNames[$call[Parser::SOURCE_INDEX]] + : '(unknown file)'); + $msg .= " on line " . $call[Parser::SOURCE_LINE]; + + $callStackMsg[] = $msg; + + if (! \is_null($limit) && $ncall > $limit) { + break; + } + } + } + } + + return implode("\n", $callStackMsg); + } + + /** + * Handle import loop + * + * @param string $name + * + * @throws \Exception + */ + protected function handleImportLoop($name) + { + for ($env = $this->env; $env; $env = $env->parent) { + if (! $env->block) { + continue; + } + + $file = $this->sourceNames[$env->block->sourceIndex]; + + if (realpath($file) === $name) { + $this->throwError('An @import loop has been found: %s imports %s', $file, basename($file)); + break; + } + } + } + + /** + * Call SCSS @function + * + * @param string $name + * @param array $argValues + * @param array $returnValue + * + * @return boolean Returns true if returnValue is set; otherwise, false + */ + protected function callScssFunction($name, $argValues, &$returnValue) + { + $func = $this->get(static::$namespaces['function'] . $name, false); + + if (! $func) { + return false; + } + + $this->pushEnv(); + + // set the args + if (isset($func->args)) { + $this->applyArguments($func->args, $argValues); + } + + // throw away lines and children + $tmp = new OutputBlock; + $tmp->lines = []; + $tmp->children = []; + + $this->env->marker = 'function'; + + if (! empty($func->parentEnv)) { + $this->env->declarationScopeParent = $func->parentEnv; + } else { + $this->throwError("@function $name() without parentEnv"); + } + + $ret = $this->compileChildren($func->children, $tmp, $this->env->marker . " " . $name); + + $this->popEnv(); + + $returnValue = ! isset($ret) ? static::$defaultValue : $ret; + + return true; + } + + /** + * Call built-in and registered (PHP) functions + * + * @param string $name + * @param array $args + * @param array $returnValue + * + * @return boolean Returns true if returnValue is set; otherwise, false + */ + protected function callNativeFunction($name, $args, &$returnValue) + { + // try a lib function + $name = $this->normalizeName($name); + $libName = null; + + if (isset($this->userFunctions[$name])) { + // see if we can find a user function + list($f, $prototype) = $this->userFunctions[$name]; + } elseif (($f = $this->getBuiltinFunction($name)) && \is_callable($f)) { + $libName = $f[1]; + $prototype = isset(static::$$libName) ? static::$$libName : null; + } else { + return false; + } + + @list($sorted, $kwargs) = $this->sortNativeFunctionArgs($libName, $prototype, $args); + + if ($name !== 'if' && $name !== 'call') { + $inExp = true; + + if ($name === 'join') { + $inExp = false; + } + + foreach ($sorted as &$val) { + $val = $this->reduce($val, $inExp); + } + } + + $returnValue = \call_user_func($f, $sorted, $kwargs); + + if (! isset($returnValue)) { + return false; + } + + $returnValue = $this->coerceValue($returnValue); + + return true; + } + + /** + * Get built-in function + * + * @param string $name Normalized name + * + * @return array + */ + protected function getBuiltinFunction($name) + { + $libName = 'lib' . preg_replace_callback( + '/_(.)/', + function ($m) { + return ucfirst($m[1]); + }, + ucfirst($name) + ); + + return [$this, $libName]; + } + + /** + * Sorts keyword arguments + * + * @param string $functionName + * @param array $prototypes + * @param array $args + * + * @return array + */ + protected function sortNativeFunctionArgs($functionName, $prototypes, $args) + { + static $parser = null; + + if (! isset($prototypes)) { + $keyArgs = []; + $posArgs = []; + + // separate positional and keyword arguments + foreach ($args as $arg) { + list($key, $value) = $arg; + + $key = $key[1]; + + if (empty($key)) { + $posArgs[] = empty($arg[2]) ? $value : $arg; + } else { + $keyArgs[$key] = $value; + } + } + + return [$posArgs, $keyArgs]; + } + + // specific cases ? + if (\in_array($functionName, ['libRgb', 'libRgba', 'libHsl', 'libHsla'])) { + // notation 100 127 255 / 0 is in fact a simple list of 4 values + foreach ($args as $k => $arg) { + if ($arg[1][0] === Type::T_LIST && \count($arg[1][2]) === 3) { + $last = end($arg[1][2]); + + if ($last[0] === Type::T_EXPRESSION && $last[1] === '/') { + array_pop($arg[1][2]); + $arg[1][2][] = $last[2]; + $arg[1][2][] = $last[3]; + $args[$k] = $arg; + } + } + } + } + + $finalArgs = []; + + if (! \is_array(reset($prototypes))) { + $prototypes = [$prototypes]; + } + + $keyArgs = []; + + // trying each prototypes + $prototypeHasMatch = false; + $exceptionMessage = ''; + + foreach ($prototypes as $prototype) { + $argDef = []; + + foreach ($prototype as $i => $p) { + $default = null; + $p = explode(':', $p, 2); + $name = array_shift($p); + + if (\count($p)) { + $p = trim(reset($p)); + + if ($p === 'null') { + // differentiate this null from the static::$null + $default = [Type::T_KEYWORD, 'null']; + } else { + if (\is_null($parser)) { + $parser = $this->parserFactory(__METHOD__); + } + + $parser->parseValue($p, $default); + } + } + + $isVariable = false; + + if (substr($name, -3) === '...') { + $isVariable = true; + $name = substr($name, 0, -3); + } + + $argDef[] = [$name, $default, $isVariable]; + } + + $ignoreCallStackMessage = $this->ignoreCallStackMessage; + $this->ignoreCallStackMessage = true; + + try { + $vars = $this->applyArguments($argDef, $args, false, false); + + // ensure all args are populated + foreach ($prototype as $i => $p) { + $name = explode(':', $p)[0]; + + if (! isset($finalArgs[$i])) { + $finalArgs[$i] = null; + } + } + + // apply positional args + foreach (array_values($vars) as $i => $val) { + $finalArgs[$i] = $val; + } + + $keyArgs = array_merge($keyArgs, $vars); + $prototypeHasMatch = true; + + // overwrite positional args with keyword args + foreach ($prototype as $i => $p) { + $name = explode(':', $p)[0]; + + if (isset($keyArgs[$name])) { + $finalArgs[$i] = $keyArgs[$name]; + } + + // special null value as default: translate to real null here + if ($finalArgs[$i] === [Type::T_KEYWORD, 'null']) { + $finalArgs[$i] = null; + } + } + // should we break if this prototype seems fulfilled? + } catch (CompilerException $e) { + $exceptionMessage = $e->getMessage(); + } + $this->ignoreCallStackMessage = $ignoreCallStackMessage; + } + + if ($exceptionMessage && ! $prototypeHasMatch) { + $this->throwError($exceptionMessage); + } + + return [$finalArgs, $keyArgs]; + } + + /** + * Apply argument values per definition + * + * @param array $argDef + * @param array $argValues + * @param boolean $storeInEnv + * @param boolean $reduce + * only used if $storeInEnv = false + * + * @return array + * + * @throws \Exception + */ + protected function applyArguments($argDef, $argValues, $storeInEnv = true, $reduce = true) + { + $output = []; + + if (\is_array($argValues) && \count($argValues) && end($argValues) === static::$null) { + array_pop($argValues); + } + + if ($storeInEnv) { + $storeEnv = $this->getStoreEnv(); + + $env = new Environment; + $env->store = $storeEnv->store; + } + + $hasVariable = false; + $args = []; + + foreach ($argDef as $i => $arg) { + list($name, $default, $isVariable) = $argDef[$i]; + + $args[$name] = [$i, $name, $default, $isVariable]; + $hasVariable |= $isVariable; + } + + $splatSeparator = null; + $keywordArgs = []; + $deferredKeywordArgs = []; + $remaining = []; + $hasKeywordArgument = false; + + // assign the keyword args + foreach ((array) $argValues as $arg) { + if (! empty($arg[0])) { + $hasKeywordArgument = true; + + $name = $arg[0][1]; + if (! isset($args[$name])) { + foreach (array_keys($args) as $an) { + if (str_replace("_", "-", $an) === str_replace("_", "-", $name)) { + $name = $an; + break; + } + } + } + + if (! isset($args[$name]) || $args[$name][3]) { + if ($hasVariable) { + $deferredKeywordArgs[$name] = $arg[1]; + } else { + $this->throwError("Mixin or function doesn't have an argument named $%s.", $arg[0][1]); + break; + } + } elseif ($args[$name][0] < \count($remaining)) { + $this->throwError("The argument $%s was passed both by position and by name.", $arg[0][1]); + break; + } else { + $keywordArgs[$name] = $arg[1]; + } + } elseif ($arg[2] === true) { + $val = $this->reduce($arg[1], true); + + if ($val[0] === Type::T_LIST) { + foreach ($val[2] as $name => $item) { + if (! is_numeric($name)) { + if (! isset($args[$name])) { + foreach (array_keys($args) as $an) { + if (str_replace("_", "-", $an) === str_replace("_", "-", $name)) { + $name = $an; + break; + } + } + } + + if ($hasVariable) { + $deferredKeywordArgs[$name] = $item; + } else { + $keywordArgs[$name] = $item; + } + } else { + if (\is_null($splatSeparator)) { + $splatSeparator = $val[1]; + } + + $remaining[] = $item; + } + } + } elseif ($val[0] === Type::T_MAP) { + foreach ($val[1] as $i => $name) { + $name = $this->compileStringContent($this->coerceString($name)); + $item = $val[2][$i]; + + if (! is_numeric($name)) { + if (! isset($args[$name])) { + foreach (array_keys($args) as $an) { + if (str_replace("_", "-", $an) === str_replace("_", "-", $name)) { + $name = $an; + break; + } + } + } + + if ($hasVariable) { + $deferredKeywordArgs[$name] = $item; + } else { + $keywordArgs[$name] = $item; + } + } else { + if (\is_null($splatSeparator)) { + $splatSeparator = $val[1]; + } + + $remaining[] = $item; + } + } + } else { + $remaining[] = $val; + } + } elseif ($hasKeywordArgument) { + $this->throwError('Positional arguments must come before keyword arguments.'); + break; + } else { + $remaining[] = $arg[1]; + } + } + + foreach ($args as $arg) { + list($i, $name, $default, $isVariable) = $arg; + + if ($isVariable) { + $val = [Type::T_LIST, \is_null($splatSeparator) ? ',' : $splatSeparator , [], $isVariable]; + + for ($count = \count($remaining); $i < $count; $i++) { + $val[2][] = $remaining[$i]; + } + + foreach ($deferredKeywordArgs as $itemName => $item) { + $val[2][$itemName] = $item; + } + } elseif (isset($remaining[$i])) { + $val = $remaining[$i]; + } elseif (isset($keywordArgs[$name])) { + $val = $keywordArgs[$name]; + } elseif (! empty($default)) { + continue; + } else { + $this->throwError("Missing argument $name"); + break; + } + + if ($storeInEnv) { + $this->set($name, $this->reduce($val, true), true, $env); + } else { + $output[$name] = ($reduce ? $this->reduce($val, true) : $val); + } + } + + if ($storeInEnv) { + $storeEnv->store = $env->store; + } + + foreach ($args as $arg) { + list($i, $name, $default, $isVariable) = $arg; + + if ($isVariable || isset($remaining[$i]) || isset($keywordArgs[$name]) || empty($default)) { + continue; + } + + if ($storeInEnv) { + $this->set($name, $this->reduce($default, true), true); + } else { + $output[$name] = ($reduce ? $this->reduce($default, true) : $default); + } + } + + return $output; + } + + /** + * Coerce a php value into a scss one + * + * @param mixed $value + * + * @return array|\ScssPhp\ScssPhp\Node\Number + */ + protected function coerceValue($value) + { + if (\is_array($value) || $value instanceof \ArrayAccess) { + return $value; + } + + if (\is_bool($value)) { + return $this->toBool($value); + } + + if (\is_null($value)) { + return static::$null; + } + + if (is_numeric($value)) { + return new Node\Number($value, ''); + } + + if ($value === '') { + return static::$emptyString; + } + + $value = [Type::T_KEYWORD, $value]; + $color = $this->coerceColor($value); + + if ($color) { + return $color; + } + + return $value; + } + + /** + * Coerce something to map + * + * @param array $item + * + * @return array + */ + protected function coerceMap($item) + { + if ($item[0] === Type::T_MAP) { + return $item; + } + + if ($item[0] === static::$emptyList[0] && + $item[1] === static::$emptyList[1] && + $item[2] === static::$emptyList[2] + ) { + return static::$emptyMap; + } + + return [Type::T_MAP, [$item], [static::$null]]; + } + + /** + * Coerce something to list + * + * @param array $item + * @param string $delim + * @param boolean $removeTrailingNull + * + * @return array + */ + protected function coerceList($item, $delim = ',', $removeTrailingNull = false) + { + if (isset($item) && $item[0] === Type::T_LIST) { + // remove trailing null from the list + if ($removeTrailingNull && end($item[2]) === static::$null) { + array_pop($item[2]); + } + + return $item; + } + + if (isset($item) && $item[0] === Type::T_MAP) { + $keys = $item[1]; + $values = $item[2]; + $list = []; + + for ($i = 0, $s = \count($keys); $i < $s; $i++) { + $key = $keys[$i]; + $value = $values[$i]; + + switch ($key[0]) { + case Type::T_LIST: + case Type::T_MAP: + case Type::T_STRING: + case Type::T_NULL: + break; + + default: + $key = [Type::T_KEYWORD, $this->compileStringContent($this->coerceString($key))]; + break; + } + + $list[] = [ + Type::T_LIST, + '', + [$key, $value] + ]; + } + + return [Type::T_LIST, ',', $list]; + } + + return [Type::T_LIST, $delim, ! isset($item) ? []: [$item]]; + } + + /** + * Coerce color for expression + * + * @param array $value + * + * @return array|null + */ + protected function coerceForExpression($value) + { + if ($color = $this->coerceColor($value)) { + return $color; + } + + return $value; + } + + /** + * Coerce value to color + * + * @param array $value + * + * @return array|null + */ + protected function coerceColor($value, $inRGBFunction = false) + { + switch ($value[0]) { + case Type::T_COLOR: + for ($i = 1; $i <= 3; $i++) { + if (! is_numeric($value[$i])) { + $cv = $this->compileRGBAValue($value[$i]); + + if (! is_numeric($cv)) { + return null; + } + + $value[$i] = $cv; + } + + if (isset($value[4])) { + if (! is_numeric($value[4])) { + $cv = $this->compileRGBAValue($value[4], true); + + if (! is_numeric($cv)) { + return null; + } + + $value[4] = $cv; + } + } + } + + return $value; + + case Type::T_LIST: + if ($inRGBFunction) { + if (\count($value[2]) == 3 || \count($value[2]) == 4) { + $color = $value[2]; + array_unshift($color, Type::T_COLOR); + + return $this->coerceColor($color); + } + } + + return null; + + case Type::T_KEYWORD: + if (! \is_string($value[1])) { + return null; + } + + $name = strtolower($value[1]); + + // hexa color? + if (preg_match('/^#([0-9a-f]+)$/i', $name, $m)) { + $nofValues = \strlen($m[1]); + + if (\in_array($nofValues, [3, 4, 6, 8])) { + $nbChannels = 3; + $color = []; + $num = hexdec($m[1]); + + switch ($nofValues) { + case 4: + $nbChannels = 4; + // then continuing with the case 3: + case 3: + for ($i = 0; $i < $nbChannels; $i++) { + $t = $num & 0xf; + array_unshift($color, $t << 4 | $t); + $num >>= 4; + } + + break; + + case 8: + $nbChannels = 4; + // then continuing with the case 6: + case 6: + for ($i = 0; $i < $nbChannels; $i++) { + array_unshift($color, $num & 0xff); + $num >>= 8; + } + + break; + } + + if ($nbChannels === 4) { + if ($color[3] === 255) { + $color[3] = 1; // fully opaque + } else { + $color[3] = round($color[3] / 255, 3); + } + } + + array_unshift($color, Type::T_COLOR); + + return $color; + } + } + + if ($rgba = Colors::colorNameToRGBa($name)) { + return isset($rgba[3]) + ? [Type::T_COLOR, $rgba[0], $rgba[1], $rgba[2], $rgba[3]] + : [Type::T_COLOR, $rgba[0], $rgba[1], $rgba[2]]; + } + + return null; + } + + return null; + } + + /** + * @param integer|\ScssPhp\ScssPhp\Node\Number $value + * @param boolean $isAlpha + * + * @return integer|mixed + */ + protected function compileRGBAValue($value, $isAlpha = false) + { + if ($isAlpha) { + return $this->compileColorPartValue($value, 0, 1, false); + } + + return $this->compileColorPartValue($value, 0, 255, true); + } + + /** + * @param mixed $value + * @param integer|float $min + * @param integer|float $max + * @param boolean $isInt + * @param boolean $clamp + * @param boolean $modulo + * + * @return integer|mixed + */ + protected function compileColorPartValue($value, $min, $max, $isInt = true, $clamp = true, $modulo = false) + { + if (! is_numeric($value)) { + if (\is_array($value)) { + $reduced = $this->reduce($value); + + if (\is_object($reduced) && $value->type === Type::T_NUMBER) { + $value = $reduced; + } + } + + if (\is_object($value) && $value->type === Type::T_NUMBER) { + $num = $value->dimension; + + if (\count($value->units)) { + $unit = array_keys($value->units); + $unit = reset($unit); + + switch ($unit) { + case '%': + $num *= $max / 100; + break; + default: + break; + } + } + + $value = $num; + } elseif (\is_array($value)) { + $value = $this->compileValue($value); + } + } + + if (is_numeric($value)) { + if ($isInt) { + $value = round($value); + } + + if ($clamp) { + $value = min($max, max($min, $value)); + } + + if ($modulo) { + $value = $value % $max; + + // still negative? + while ($value < $min) { + $value += $max; + } + } + + return $value; + } + + return $value; + } + + /** + * Coerce value to string + * + * @param array $value + * + * @return array|null + */ + protected function coerceString($value) + { + if ($value[0] === Type::T_STRING) { + return $value; + } + + return [Type::T_STRING, '', [$this->compileValue($value)]]; + } + + /** + * Coerce value to a percentage + * + * @param array $value + * + * @return integer|float + */ + protected function coercePercent($value) + { + if ($value[0] === Type::T_NUMBER) { + if (! empty($value[2]['%'])) { + return $value[1] / 100; + } + + return $value[1]; + } + + return 0; + } + + /** + * Assert value is a map + * + * @api + * + * @param array $value + * + * @return array + * + * @throws \Exception + */ + public function assertMap($value) + { + $value = $this->coerceMap($value); + + if ($value[0] !== Type::T_MAP) { + $this->throwError('expecting map, %s received', $value[0]); + } + + return $value; + } + + /** + * Assert value is a list + * + * @api + * + * @param array $value + * + * @return array + * + * @throws \Exception + */ + public function assertList($value) + { + if ($value[0] !== Type::T_LIST) { + $this->throwError('expecting list, %s received', $value[0]); + } + + return $value; + } + + /** + * Assert value is a color + * + * @api + * + * @param array $value + * + * @return array + * + * @throws \Exception + */ + public function assertColor($value) + { + if ($color = $this->coerceColor($value)) { + return $color; + } + + $this->throwError('expecting color, %s received', $value[0]); + } + + /** + * Assert value is a number + * + * @api + * + * @param array $value + * + * @return integer|float + * + * @throws \Exception + */ + public function assertNumber($value) + { + if ($value[0] !== Type::T_NUMBER) { + $this->throwError('expecting number, %s received', $value[0]); + } + + return $value[1]; + } + + /** + * Make sure a color's components don't go out of bounds + * + * @param array $c + * + * @return array + */ + protected function fixColor($c) + { + foreach ([1, 2, 3] as $i) { + if ($c[$i] < 0) { + $c[$i] = 0; + } + + if ($c[$i] > 255) { + $c[$i] = 255; + } + } + + return $c; + } + + /** + * Convert RGB to HSL + * + * @api + * + * @param integer $red + * @param integer $green + * @param integer $blue + * + * @return array + */ + public function toHSL($red, $green, $blue) + { + $min = min($red, $green, $blue); + $max = max($red, $green, $blue); + + $l = $min + $max; + $d = $max - $min; + + if ((int) $d === 0) { + $h = $s = 0; + } else { + if ($l < 255) { + $s = $d / $l; + } else { + $s = $d / (510 - $l); + } + + if ($red == $max) { + $h = 60 * ($green - $blue) / $d; + } elseif ($green == $max) { + $h = 60 * ($blue - $red) / $d + 120; + } elseif ($blue == $max) { + $h = 60 * ($red - $green) / $d + 240; + } + } + + return [Type::T_HSL, fmod($h, 360), $s * 100, $l / 5.1]; + } + + /** + * Hue to RGB helper + * + * @param float $m1 + * @param float $m2 + * @param float $h + * + * @return float + */ + protected function hueToRGB($m1, $m2, $h) + { + if ($h < 0) { + $h += 1; + } elseif ($h > 1) { + $h -= 1; + } + + if ($h * 6 < 1) { + return $m1 + ($m2 - $m1) * $h * 6; + } + + if ($h * 2 < 1) { + return $m2; + } + + if ($h * 3 < 2) { + return $m1 + ($m2 - $m1) * (2/3 - $h) * 6; + } + + return $m1; + } + + /** + * Convert HSL to RGB + * + * @api + * + * @param integer $hue H from 0 to 360 + * @param integer $saturation S from 0 to 100 + * @param integer $lightness L from 0 to 100 + * + * @return array + */ + public function toRGB($hue, $saturation, $lightness) + { + if ($hue < 0) { + $hue += 360; + } + + $h = $hue / 360; + $s = min(100, max(0, $saturation)) / 100; + $l = min(100, max(0, $lightness)) / 100; + + $m2 = $l <= 0.5 ? $l * ($s + 1) : $l + $s - $l * $s; + $m1 = $l * 2 - $m2; + + $r = $this->hueToRGB($m1, $m2, $h + 1/3) * 255; + $g = $this->hueToRGB($m1, $m2, $h) * 255; + $b = $this->hueToRGB($m1, $m2, $h - 1/3) * 255; + + $out = [Type::T_COLOR, $r, $g, $b]; + + return $out; + } + + // Built in functions + + protected static $libCall = ['name', 'args...']; + protected function libCall($args, $kwargs) + { + $name = $this->compileStringContent($this->coerceString($this->reduce(array_shift($args), true))); + $callArgs = []; + + // $kwargs['args'] is [Type::T_LIST, ',', [..]] + foreach ($kwargs['args'][2] as $varname => $arg) { + if (is_numeric($varname)) { + $varname = null; + } else { + $varname = [ 'var', $varname]; + } + + $callArgs[] = [$varname, $arg, false]; + } + + return $this->reduce([Type::T_FUNCTION_CALL, $name, $callArgs]); + } + + protected static $libIf = ['condition', 'if-true', 'if-false:']; + protected function libIf($args) + { + list($cond, $t, $f) = $args; + + if (! $this->isTruthy($this->reduce($cond, true))) { + return $this->reduce($f, true); + } + + return $this->reduce($t, true); + } + + protected static $libIndex = ['list', 'value']; + protected function libIndex($args) + { + list($list, $value) = $args; + + if ($list[0] === Type::T_MAP || + $list[0] === Type::T_STRING || + $list[0] === Type::T_KEYWORD || + $list[0] === Type::T_INTERPOLATE + ) { + $list = $this->coerceList($list, ' '); + } + + if ($list[0] !== Type::T_LIST) { + return static::$null; + } + + $values = []; + + foreach ($list[2] as $item) { + $values[] = $this->normalizeValue($item); + } + + $key = array_search($this->normalizeValue($value), $values); + + return false === $key ? static::$null : $key + 1; + } + + protected static $libRgb = [ + ['color'], + ['color', 'alpha'], + ['channels'], + ['red', 'green', 'blue'], + ['red', 'green', 'blue', 'alpha'] ]; + protected function libRgb($args, $kwargs, $funcName = 'rgb') + { + switch (\count($args)) { + case 1: + if (! $color = $this->coerceColor($args[0], true)) { + $color = [Type::T_STRING, '', [$funcName . '(', $args[0], ')']]; + } + break; + + case 3: + $color = [Type::T_COLOR, $args[0], $args[1], $args[2]]; + + if (! $color = $this->coerceColor($color)) { + $color = [Type::T_STRING, '', [$funcName .'(', $args[0], ', ', $args[1], ', ', $args[2], ')']]; + } + + return $color; + + case 2: + if ($color = $this->coerceColor($args[0], true)) { + $alpha = $this->compileRGBAValue($args[1], true); + + if (is_numeric($alpha)) { + $color[4] = $alpha; + } else { + $color = [Type::T_STRING, '', + [$funcName . '(', $color[1], ', ', $color[2], ', ', $color[3], ', ', $alpha, ')']]; + } + } else { + $color = [Type::T_STRING, '', [$funcName . '(', $args[0], ')']]; + } + break; + + case 4: + default: + $color = [Type::T_COLOR, $args[0], $args[1], $args[2], $args[3]]; + + if (! $color = $this->coerceColor($color)) { + $color = [Type::T_STRING, '', + [$funcName . '(', $args[0], ', ', $args[1], ', ', $args[2], ', ', $args[3], ')']]; + } + break; + } + + return $color; + } + + protected static $libRgba = [ + ['color'], + ['color', 'alpha'], + ['channels'], + ['red', 'green', 'blue'], + ['red', 'green', 'blue', 'alpha'] ]; + protected function libRgba($args, $kwargs) + { + return $this->libRgb($args, $kwargs, 'rgba'); + } + + // helper function for adjust_color, change_color, and scale_color + protected function alterColor($args, $fn) + { + $color = $this->assertColor($args[0]); + + foreach ([1 => 1, 2 => 2, 3 => 3, 7 => 4] as $iarg => $irgba) { + if (isset($args[$iarg])) { + $val = $this->assertNumber($args[$iarg]); + + if (! isset($color[$irgba])) { + $color[$irgba] = (($irgba < 4) ? 0 : 1); + } + + $color[$irgba] = \call_user_func($fn, $color[$irgba], $val, $iarg); + } + } + + if (! empty($args[4]) || ! empty($args[5]) || ! empty($args[6])) { + $hsl = $this->toHSL($color[1], $color[2], $color[3]); + + foreach ([4 => 1, 5 => 2, 6 => 3] as $iarg => $ihsl) { + if (! empty($args[$iarg])) { + $val = $this->assertNumber($args[$iarg]); + $hsl[$ihsl] = \call_user_func($fn, $hsl[$ihsl], $val, $iarg); + } + } + + $rgb = $this->toRGB($hsl[1], $hsl[2], $hsl[3]); + + if (isset($color[4])) { + $rgb[4] = $color[4]; + } + + $color = $rgb; + } + + return $color; + } + + protected static $libAdjustColor = [ + 'color', 'red:null', 'green:null', 'blue:null', + 'hue:null', 'saturation:null', 'lightness:null', 'alpha:null' + ]; + protected function libAdjustColor($args) + { + return $this->alterColor($args, function ($base, $alter, $i) { + return $base + $alter; + }); + } + + protected static $libChangeColor = [ + 'color', 'red:null', 'green:null', 'blue:null', + 'hue:null', 'saturation:null', 'lightness:null', 'alpha:null' + ]; + protected function libChangeColor($args) + { + return $this->alterColor($args, function ($base, $alter, $i) { + return $alter; + }); + } + + protected static $libScaleColor = [ + 'color', 'red:null', 'green:null', 'blue:null', + 'hue:null', 'saturation:null', 'lightness:null', 'alpha:null' + ]; + protected function libScaleColor($args) + { + return $this->alterColor($args, function ($base, $scale, $i) { + // 1, 2, 3 - rgb + // 4, 5, 6 - hsl + // 7 - a + switch ($i) { + case 1: + case 2: + case 3: + $max = 255; + break; + + case 4: + $max = 360; + break; + + case 7: + $max = 1; + break; + + default: + $max = 100; + } + + $scale = $scale / 100; + + if ($scale < 0) { + return $base * $scale + $base; + } + + return ($max - $base) * $scale + $base; + }); + } + + protected static $libIeHexStr = ['color']; + protected function libIeHexStr($args) + { + $color = $this->coerceColor($args[0]); + $color[4] = isset($color[4]) ? round(255 * $color[4]) : 255; + + return [Type::T_STRING, '', [sprintf('#%02X%02X%02X%02X', $color[4], $color[1], $color[2], $color[3])]]; + } + + protected static $libRed = ['color']; + protected function libRed($args) + { + $color = $this->coerceColor($args[0]); + + return $color[1]; + } + + protected static $libGreen = ['color']; + protected function libGreen($args) + { + $color = $this->coerceColor($args[0]); + + return $color[2]; + } + + protected static $libBlue = ['color']; + protected function libBlue($args) + { + $color = $this->coerceColor($args[0]); + + return $color[3]; + } + + protected static $libAlpha = ['color']; + protected function libAlpha($args) + { + if ($color = $this->coerceColor($args[0])) { + return isset($color[4]) ? $color[4] : 1; + } + + // this might be the IE function, so return value unchanged + return null; + } + + protected static $libOpacity = ['color']; + protected function libOpacity($args) + { + $value = $args[0]; + + if ($value[0] === Type::T_NUMBER) { + return null; + } + + return $this->libAlpha($args); + } + + // mix two colors + protected static $libMix = ['color-1', 'color-2', 'weight:0.5']; + protected function libMix($args) + { + list($first, $second, $weight) = $args; + + $first = $this->assertColor($first); + $second = $this->assertColor($second); + + if (! isset($weight)) { + $weight = 0.5; + } else { + $weight = $this->coercePercent($weight); + } + + $firstAlpha = isset($first[4]) ? $first[4] : 1; + $secondAlpha = isset($second[4]) ? $second[4] : 1; + + $w = $weight * 2 - 1; + $a = $firstAlpha - $secondAlpha; + + $w1 = (($w * $a === -1 ? $w : ($w + $a) / (1 + $w * $a)) + 1) / 2.0; + $w2 = 1.0 - $w1; + + $new = [Type::T_COLOR, + $w1 * $first[1] + $w2 * $second[1], + $w1 * $first[2] + $w2 * $second[2], + $w1 * $first[3] + $w2 * $second[3], + ]; + + if ($firstAlpha != 1.0 || $secondAlpha != 1.0) { + $new[] = $firstAlpha * $weight + $secondAlpha * (1 - $weight); + } + + return $this->fixColor($new); + } + + protected static $libHsl =[ + ['channels'], + ['hue', 'saturation', 'lightness'], + ['hue', 'saturation', 'lightness', 'alpha'] ]; + protected function libHsl($args, $kwargs, $funcName = 'hsl') + { + if (\count($args) == 1) { + if ($args[0][0] !== Type::T_LIST || \count($args[0][2]) < 3 || \count($args[0][2]) > 4) { + return [Type::T_STRING, '', [$funcName . '(', $args[0], ')']]; + } + + $args = $args[0][2]; + } + + $hue = $this->compileColorPartValue($args[0], 0, 360, false, false, true); + $saturation = $this->compileColorPartValue($args[1], 0, 100, false); + $lightness = $this->compileColorPartValue($args[2], 0, 100, false); + + $alpha = null; + + if (\count($args) === 4) { + $alpha = $this->compileColorPartValue($args[3], 0, 100, false); + + if (! is_numeric($hue) || ! is_numeric($saturation) || ! is_numeric($lightness) || ! is_numeric($alpha)) { + return [Type::T_STRING, '', + [$funcName . '(', $args[0], ', ', $args[1], ', ', $args[2], ', ', $args[3], ')']]; + } + } else { + if (! is_numeric($hue) || ! is_numeric($saturation) || ! is_numeric($lightness)) { + return [Type::T_STRING, '', [$funcName . '(', $args[0], ', ', $args[1], ', ', $args[2], ')']]; + } + } + + $color = $this->toRGB($hue, $saturation, $lightness); + + if (! \is_null($alpha)) { + $color[4] = $alpha; + } + + return $color; + } + + protected static $libHsla = [ + ['channels'], + ['hue', 'saturation', 'lightness', 'alpha:1'] ]; + protected function libHsla($args, $kwargs) + { + return $this->libHsl($args, $kwargs, 'hsla'); + } + + protected static $libHue = ['color']; + protected function libHue($args) + { + $color = $this->assertColor($args[0]); + $hsl = $this->toHSL($color[1], $color[2], $color[3]); + + return new Node\Number($hsl[1], 'deg'); + } + + protected static $libSaturation = ['color']; + protected function libSaturation($args) + { + $color = $this->assertColor($args[0]); + $hsl = $this->toHSL($color[1], $color[2], $color[3]); + + return new Node\Number($hsl[2], '%'); + } + + protected static $libLightness = ['color']; + protected function libLightness($args) + { + $color = $this->assertColor($args[0]); + $hsl = $this->toHSL($color[1], $color[2], $color[3]); + + return new Node\Number($hsl[3], '%'); + } + + protected function adjustHsl($color, $idx, $amount) + { + $hsl = $this->toHSL($color[1], $color[2], $color[3]); + $hsl[$idx] += $amount; + $out = $this->toRGB($hsl[1], $hsl[2], $hsl[3]); + + if (isset($color[4])) { + $out[4] = $color[4]; + } + + return $out; + } + + protected static $libAdjustHue = ['color', 'degrees']; + protected function libAdjustHue($args) + { + $color = $this->assertColor($args[0]); + $degrees = $this->assertNumber($args[1]); + + return $this->adjustHsl($color, 1, $degrees); + } + + protected static $libLighten = ['color', 'amount']; + protected function libLighten($args) + { + $color = $this->assertColor($args[0]); + $amount = Util::checkRange('amount', new Range(0, 100), $args[1], '%'); + + return $this->adjustHsl($color, 3, $amount); + } + + protected static $libDarken = ['color', 'amount']; + protected function libDarken($args) + { + $color = $this->assertColor($args[0]); + $amount = Util::checkRange('amount', new Range(0, 100), $args[1], '%'); + + return $this->adjustHsl($color, 3, -$amount); + } + + protected static $libSaturate = [['color', 'amount'], ['number']]; + protected function libSaturate($args) + { + $value = $args[0]; + + if ($value[0] === Type::T_NUMBER) { + return null; + } + + $color = $this->assertColor($value); + $amount = 100 * $this->coercePercent($args[1]); + + return $this->adjustHsl($color, 2, $amount); + } + + protected static $libDesaturate = ['color', 'amount']; + protected function libDesaturate($args) + { + $color = $this->assertColor($args[0]); + $amount = 100 * $this->coercePercent($args[1]); + + return $this->adjustHsl($color, 2, -$amount); + } + + protected static $libGrayscale = ['color']; + protected function libGrayscale($args) + { + $value = $args[0]; + + if ($value[0] === Type::T_NUMBER) { + return null; + } + + return $this->adjustHsl($this->assertColor($value), 2, -100); + } + + protected static $libComplement = ['color']; + protected function libComplement($args) + { + return $this->adjustHsl($this->assertColor($args[0]), 1, 180); + } + + protected static $libInvert = ['color', 'weight:1']; + protected function libInvert($args) + { + list($value, $weight) = $args; + + if (! isset($weight)) { + $weight = 1; + } else { + $weight = $this->coercePercent($weight); + } + + if ($value[0] === Type::T_NUMBER) { + return null; + } + + $color = $this->assertColor($value); + $inverted = $color; + $inverted[1] = 255 - $inverted[1]; + $inverted[2] = 255 - $inverted[2]; + $inverted[3] = 255 - $inverted[3]; + + if ($weight < 1) { + return $this->libMix([$inverted, $color, [Type::T_NUMBER, $weight]]); + } + + return $inverted; + } + + // increases opacity by amount + protected static $libOpacify = ['color', 'amount']; + protected function libOpacify($args) + { + $color = $this->assertColor($args[0]); + $amount = $this->coercePercent($args[1]); + + $color[4] = (isset($color[4]) ? $color[4] : 1) + $amount; + $color[4] = min(1, max(0, $color[4])); + + return $color; + } + + protected static $libFadeIn = ['color', 'amount']; + protected function libFadeIn($args) + { + return $this->libOpacify($args); + } + + // decreases opacity by amount + protected static $libTransparentize = ['color', 'amount']; + protected function libTransparentize($args) + { + $color = $this->assertColor($args[0]); + $amount = $this->coercePercent($args[1]); + + $color[4] = (isset($color[4]) ? $color[4] : 1) - $amount; + $color[4] = min(1, max(0, $color[4])); + + return $color; + } + + protected static $libFadeOut = ['color', 'amount']; + protected function libFadeOut($args) + { + return $this->libTransparentize($args); + } + + protected static $libUnquote = ['string']; + protected function libUnquote($args) + { + $str = $args[0]; + + if ($str[0] === Type::T_STRING) { + $str[1] = ''; + } + + return $str; + } + + protected static $libQuote = ['string']; + protected function libQuote($args) + { + $value = $args[0]; + + if ($value[0] === Type::T_STRING && ! empty($value[1])) { + return $value; + } + + return [Type::T_STRING, '"', [$value]]; + } + + protected static $libPercentage = ['number']; + protected function libPercentage($args) + { + return new Node\Number($this->coercePercent($args[0]) * 100, '%'); + } + + protected static $libRound = ['number']; + protected function libRound($args) + { + $num = $args[0]; + + return new Node\Number(round($num[1]), $num[2]); + } + + protected static $libFloor = ['number']; + protected function libFloor($args) + { + $num = $args[0]; + + return new Node\Number(floor($num[1]), $num[2]); + } + + protected static $libCeil = ['number']; + protected function libCeil($args) + { + $num = $args[0]; + + return new Node\Number(ceil($num[1]), $num[2]); + } + + protected static $libAbs = ['number']; + protected function libAbs($args) + { + $num = $args[0]; + + return new Node\Number(abs($num[1]), $num[2]); + } + + protected function libMin($args) + { + $numbers = $this->getNormalizedNumbers($args); + $minOriginal = null; + $minNormalized = null; + + foreach ($numbers as $key => $pair) { + list($original, $normalized) = $pair; + + if (\is_null($normalized) or \is_null($minNormalized)) { + if (\is_null($minOriginal) || $original[1] <= $minOriginal[1]) { + $minOriginal = $original; + $minNormalized = $normalized; + } + } elseif ($normalized[1] <= $minNormalized[1]) { + $minOriginal = $original; + $minNormalized = $normalized; + } + } + + return $minOriginal; + } + + protected function libMax($args) + { + $numbers = $this->getNormalizedNumbers($args); + $maxOriginal = null; + $maxNormalized = null; + + foreach ($numbers as $key => $pair) { + list($original, $normalized) = $pair; + + if (\is_null($normalized) or \is_null($maxNormalized)) { + if (\is_null($maxOriginal) || $original[1] >= $maxOriginal[1]) { + $maxOriginal = $original; + $maxNormalized = $normalized; + } + } elseif ($normalized[1] >= $maxNormalized[1]) { + $maxOriginal = $original; + $maxNormalized = $normalized; + } + } + + return $maxOriginal; + } + + /** + * Helper to normalize args containing numbers + * + * @param array $args + * + * @return array + */ + protected function getNormalizedNumbers($args) + { + $unit = null; + $originalUnit = null; + $numbers = []; + + foreach ($args as $key => $item) { + if ($item[0] !== Type::T_NUMBER) { + $this->throwError('%s is not a number', $item[0]); + break; + } + + $number = $item->normalize(); + + if (empty($unit)) { + $unit = $number[2]; + $originalUnit = $item->unitStr(); + } elseif ($number[1] && $unit !== $number[2] && ! empty($number[2])) { + $this->throwError('Incompatible units: "%s" and "%s".', $originalUnit, $item->unitStr()); + break; + } + + $numbers[$key] = [$args[$key], empty($number[2]) ? null : $number]; + } + + return $numbers; + } + + protected static $libLength = ['list']; + protected function libLength($args) + { + $list = $this->coerceList($args[0], ',', true); + + return \count($list[2]); + } + + //protected static $libListSeparator = ['list...']; + protected function libListSeparator($args) + { + if (\count($args) > 1) { + return 'comma'; + } + + $list = $this->coerceList($args[0]); + + if (\count($list[2]) <= 1) { + return 'space'; + } + + if ($list[1] === ',') { + return 'comma'; + } + + return 'space'; + } + + protected static $libNth = ['list', 'n']; + protected function libNth($args) + { + $list = $this->coerceList($args[0], ',', false); + $n = $this->assertNumber($args[1]); + + if ($n > 0) { + $n--; + } elseif ($n < 0) { + $n += \count($list[2]); + } + + return isset($list[2][$n]) ? $list[2][$n] : static::$defaultValue; + } + + protected static $libSetNth = ['list', 'n', 'value']; + protected function libSetNth($args) + { + $list = $this->coerceList($args[0]); + $n = $this->assertNumber($args[1]); + + if ($n > 0) { + $n--; + } elseif ($n < 0) { + $n += \count($list[2]); + } + + if (! isset($list[2][$n])) { + $this->throwError('Invalid argument for "n"'); + + return null; + } + + $list[2][$n] = $args[2]; + + return $list; + } + + protected static $libMapGet = ['map', 'key']; + protected function libMapGet($args) + { + $map = $this->assertMap($args[0]); + $key = $args[1]; + + if (! \is_null($key)) { + $key = $this->compileStringContent($this->coerceString($key)); + + for ($i = \count($map[1]) - 1; $i >= 0; $i--) { + if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { + return $map[2][$i]; + } + } + } + + return static::$null; + } + + protected static $libMapKeys = ['map']; + protected function libMapKeys($args) + { + $map = $this->assertMap($args[0]); + $keys = $map[1]; + + return [Type::T_LIST, ',', $keys]; + } + + protected static $libMapValues = ['map']; + protected function libMapValues($args) + { + $map = $this->assertMap($args[0]); + $values = $map[2]; + + return [Type::T_LIST, ',', $values]; + } + + protected static $libMapRemove = ['map', 'key']; + protected function libMapRemove($args) + { + $map = $this->assertMap($args[0]); + $key = $this->compileStringContent($this->coerceString($args[1])); + + for ($i = \count($map[1]) - 1; $i >= 0; $i--) { + if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { + array_splice($map[1], $i, 1); + array_splice($map[2], $i, 1); + } + } + + return $map; + } + + protected static $libMapHasKey = ['map', 'key']; + protected function libMapHasKey($args) + { + $map = $this->assertMap($args[0]); + $key = $this->compileStringContent($this->coerceString($args[1])); + + for ($i = \count($map[1]) - 1; $i >= 0; $i--) { + if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { + return true; + } + } + + return false; + } + + protected static $libMapMerge = ['map-1', 'map-2']; + protected function libMapMerge($args) + { + $map1 = $this->assertMap($args[0]); + $map2 = $this->assertMap($args[1]); + + foreach ($map2[1] as $i2 => $key2) { + $key = $this->compileStringContent($this->coerceString($key2)); + + foreach ($map1[1] as $i1 => $key1) { + if ($key === $this->compileStringContent($this->coerceString($key1))) { + $map1[2][$i1] = $map2[2][$i2]; + continue 2; + } + } + + $map1[1][] = $map2[1][$i2]; + $map1[2][] = $map2[2][$i2]; + } + + return $map1; + } + + protected static $libKeywords = ['args']; + protected function libKeywords($args) + { + $this->assertList($args[0]); + + $keys = []; + $values = []; + + foreach ($args[0][2] as $name => $arg) { + $keys[] = [Type::T_KEYWORD, $name]; + $values[] = $arg; + } + + return [Type::T_MAP, $keys, $values]; + } + + protected static $libIsBracketed = ['list']; + protected function libIsBracketed($args) + { + $list = $args[0]; + $this->coerceList($list, ' '); + + if (! empty($list['enclosing']) && $list['enclosing'] === 'bracket') { + return true; + } + + return false; + } + + protected function listSeparatorForJoin($list1, $sep) + { + if (! isset($sep)) { + return $list1[1]; + } + + switch ($this->compileValue($sep)) { + case 'comma': + return ','; + + case 'space': + return ' '; + + default: + return $list1[1]; + } + } + + protected static $libJoin = ['list1', 'list2', 'separator:null', 'bracketed:auto']; + protected function libJoin($args) + { + list($list1, $list2, $sep, $bracketed) = $args; + + $list1 = $this->coerceList($list1, ' ', true); + $list2 = $this->coerceList($list2, ' ', true); + $sep = $this->listSeparatorForJoin($list1, $sep); + + if ($bracketed === static::$true) { + $bracketed = true; + } elseif ($bracketed === static::$false) { + $bracketed = false; + } elseif ($bracketed === [Type::T_KEYWORD, 'auto']) { + $bracketed = 'auto'; + } elseif ($bracketed === static::$null) { + $bracketed = false; + } else { + $bracketed = $this->compileValue($bracketed); + $bracketed = ! ! $bracketed; + + if ($bracketed === true) { + $bracketed = true; + } + } + + if ($bracketed === 'auto') { + $bracketed = false; + + if (! empty($list1['enclosing']) && $list1['enclosing'] === 'bracket') { + $bracketed = true; + } + } + + $res = [Type::T_LIST, $sep, array_merge($list1[2], $list2[2])]; + + if (isset($list1['enclosing'])) { + $res['enlcosing'] = $list1['enclosing']; + } + + if ($bracketed) { + $res['enclosing'] = 'bracket'; + } + + return $res; + } + + protected static $libAppend = ['list', 'val', 'separator:null']; + protected function libAppend($args) + { + list($list1, $value, $sep) = $args; + + $list1 = $this->coerceList($list1, ' ', true); + $sep = $this->listSeparatorForJoin($list1, $sep); + $res = [Type::T_LIST, $sep, array_merge($list1[2], [$value])]; + + if (isset($list1['enclosing'])) { + $res['enclosing'] = $list1['enclosing']; + } + + return $res; + } + + protected function libZip($args) + { + foreach ($args as $key => $arg) { + $args[$key] = $this->coerceList($arg); + } + + $lists = []; + $firstList = array_shift($args); + + foreach ($firstList[2] as $key => $item) { + $list = [Type::T_LIST, '', [$item]]; + + foreach ($args as $arg) { + if (isset($arg[2][$key])) { + $list[2][] = $arg[2][$key]; + } else { + break 2; + } + } + + $lists[] = $list; + } + + return [Type::T_LIST, ',', $lists]; + } + + protected static $libTypeOf = ['value']; + protected function libTypeOf($args) + { + $value = $args[0]; + + switch ($value[0]) { + case Type::T_KEYWORD: + if ($value === static::$true || $value === static::$false) { + return 'bool'; + } + + if ($this->coerceColor($value)) { + return 'color'; + } + + // fall-thru + case Type::T_FUNCTION: + return 'string'; + + case Type::T_LIST: + if (isset($value[3]) && $value[3]) { + return 'arglist'; + } + + // fall-thru + default: + return $value[0]; + } + } + + protected static $libUnit = ['number']; + protected function libUnit($args) + { + $num = $args[0]; + + if ($num[0] === Type::T_NUMBER) { + return [Type::T_STRING, '"', [$num->unitStr()]]; + } + + return ''; + } + + protected static $libUnitless = ['number']; + protected function libUnitless($args) + { + $value = $args[0]; + + return $value[0] === Type::T_NUMBER && $value->unitless(); + } + + protected static $libComparable = ['number-1', 'number-2']; + protected function libComparable($args) + { + list($number1, $number2) = $args; + + if (! isset($number1[0]) || $number1[0] !== Type::T_NUMBER || + ! isset($number2[0]) || $number2[0] !== Type::T_NUMBER + ) { + $this->throwError('Invalid argument(s) for "comparable"'); + + return null; + } + + $number1 = $number1->normalize(); + $number2 = $number2->normalize(); + + return $number1[2] === $number2[2] || $number1->unitless() || $number2->unitless(); + } + + protected static $libStrIndex = ['string', 'substring']; + protected function libStrIndex($args) + { + $string = $this->coerceString($args[0]); + $stringContent = $this->compileStringContent($string); + + $substring = $this->coerceString($args[1]); + $substringContent = $this->compileStringContent($substring); + + $result = strpos($stringContent, $substringContent); + + return $result === false ? static::$null : new Node\Number($result + 1, ''); + } + + protected static $libStrInsert = ['string', 'insert', 'index']; + protected function libStrInsert($args) + { + $string = $this->coerceString($args[0]); + $stringContent = $this->compileStringContent($string); + + $insert = $this->coerceString($args[1]); + $insertContent = $this->compileStringContent($insert); + + list(, $index) = $args[2]; + + $string[2] = [substr_replace($stringContent, $insertContent, $index - 1, 0)]; + + return $string; + } + + protected static $libStrLength = ['string']; + protected function libStrLength($args) + { + $string = $this->coerceString($args[0]); + $stringContent = $this->compileStringContent($string); + + return new Node\Number(\strlen($stringContent), ''); + } + + protected static $libStrSlice = ['string', 'start-at', 'end-at:-1']; + protected function libStrSlice($args) + { + if (isset($args[2]) && ! $args[2][1]) { + return static::$nullString; + } + + $string = $this->coerceString($args[0]); + $stringContent = $this->compileStringContent($string); + + $start = (int) $args[1][1]; + + if ($start > 0) { + $start--; + } + + $end = isset($args[2]) ? (int) $args[2][1] : -1; + $length = $end < 0 ? $end + 1 : ($end > 0 ? $end - $start : $end); + + $string[2] = $length + ? [substr($stringContent, $start, $length)] + : [substr($stringContent, $start)]; + + return $string; + } + + protected static $libToLowerCase = ['string']; + protected function libToLowerCase($args) + { + $string = $this->coerceString($args[0]); + $stringContent = $this->compileStringContent($string); + + $string[2] = [\function_exists('mb_strtolower') ? mb_strtolower($stringContent) : strtolower($stringContent)]; + + return $string; + } + + protected static $libToUpperCase = ['string']; + protected function libToUpperCase($args) + { + $string = $this->coerceString($args[0]); + $stringContent = $this->compileStringContent($string); + + $string[2] = [\function_exists('mb_strtoupper') ? mb_strtoupper($stringContent) : strtoupper($stringContent)]; + + return $string; + } + + protected static $libFeatureExists = ['feature']; + protected function libFeatureExists($args) + { + $string = $this->coerceString($args[0]); + $name = $this->compileStringContent($string); + + return $this->toBool( + \array_key_exists($name, $this->registeredFeatures) ? $this->registeredFeatures[$name] : false + ); + } + + protected static $libFunctionExists = ['name']; + protected function libFunctionExists($args) + { + $string = $this->coerceString($args[0]); + $name = $this->compileStringContent($string); + + // user defined functions + if ($this->has(static::$namespaces['function'] . $name)) { + return true; + } + + $name = $this->normalizeName($name); + + if (isset($this->userFunctions[$name])) { + return true; + } + + // built-in functions + $f = $this->getBuiltinFunction($name); + + return $this->toBool(\is_callable($f)); + } + + protected static $libGlobalVariableExists = ['name']; + protected function libGlobalVariableExists($args) + { + $string = $this->coerceString($args[0]); + $name = $this->compileStringContent($string); + + return $this->has($name, $this->rootEnv); + } + + protected static $libMixinExists = ['name']; + protected function libMixinExists($args) + { + $string = $this->coerceString($args[0]); + $name = $this->compileStringContent($string); + + return $this->has(static::$namespaces['mixin'] . $name); + } + + protected static $libVariableExists = ['name']; + protected function libVariableExists($args) + { + $string = $this->coerceString($args[0]); + $name = $this->compileStringContent($string); + + return $this->has($name); + } + + /** + * Workaround IE7's content counter bug. + * + * @param array $args + * + * @return array + */ + protected function libCounter($args) + { + $list = array_map([$this, 'compileValue'], $args); + + return [Type::T_STRING, '', ['counter(' . implode(',', $list) . ')']]; + } + + protected static $libRandom = ['limit:1']; + protected function libRandom($args) + { + if (isset($args[0])) { + $n = $this->assertNumber($args[0]); + + if ($n < 1) { + $this->throwError("\$limit must be greater than or equal to 1"); + + return null; + } + + if ($n - \intval($n) > 0) { + $this->throwError("Expected \$limit to be an integer but got $n for `random`"); + + return null; + } + + return new Node\Number(mt_rand(1, \intval($n)), ''); + } + + return new Node\Number(mt_rand(1, mt_getrandmax()), ''); + } + + protected function libUniqueId() + { + static $id; + + if (! isset($id)) { + $id = PHP_INT_SIZE === 4 + ? mt_rand(0, pow(36, 5)) . str_pad(mt_rand(0, pow(36, 5)) % 10000000, 7, '0', STR_PAD_LEFT) + : mt_rand(0, pow(36, 8)); + } + + $id += mt_rand(0, 10) + 1; + + return [Type::T_STRING, '', ['u' . str_pad(base_convert($id, 10, 36), 8, '0', STR_PAD_LEFT)]]; + } + + protected function inspectFormatValue($value, $force_enclosing_display = false) + { + if ($value === static::$null) { + $value = [Type::T_KEYWORD, 'null']; + } + + $stringValue = [$value]; + + if ($value[0] === Type::T_LIST) { + if (end($value[2]) === static::$null) { + array_pop($value[2]); + $value[2][] = [Type::T_STRING, '', ['']]; + $force_enclosing_display = true; + } + + if (! empty($value['enclosing']) && + ($force_enclosing_display || + ($value['enclosing'] === 'bracket') || + ! \count($value[2])) + ) { + $value['enclosing'] = 'forced_'.$value['enclosing']; + $force_enclosing_display = true; + } + + foreach ($value[2] as $k => $listelement) { + $value[2][$k] = $this->inspectFormatValue($listelement, $force_enclosing_display); + } + + $stringValue = [$value]; + } + + return [Type::T_STRING, '', $stringValue]; + } + + protected static $libInspect = ['value']; + protected function libInspect($args) + { + $value = $args[0]; + + return $this->inspectFormatValue($value); + } + + /** + * Preprocess selector args + * + * @param array $arg + * + * @return array|boolean + */ + protected function getSelectorArg($arg) + { + static $parser = null; + + if (\is_null($parser)) { + $parser = $this->parserFactory(__METHOD__); + } + + $arg = $this->libUnquote([$arg]); + $arg = $this->compileValue($arg); + + $parsedSelector = []; + + if ($parser->parseSelector($arg, $parsedSelector)) { + $selector = $this->evalSelectors($parsedSelector); + $gluedSelector = $this->glueFunctionSelectors($selector); + + return $gluedSelector; + } + + return false; + } + + /** + * Postprocess selector to output in right format + * + * @param array $selectors + * + * @return string + */ + protected function formatOutputSelector($selectors) + { + $selectors = $this->collapseSelectors($selectors, true); + + return $selectors; + } + + protected static $libIsSuperselector = ['super', 'sub']; + protected function libIsSuperselector($args) + { + list($super, $sub) = $args; + + $super = $this->getSelectorArg($super); + $sub = $this->getSelectorArg($sub); + + return $this->isSuperSelector($super, $sub); + } + + /** + * Test a $super selector again $sub + * + * @param array $super + * @param array $sub + * + * @return boolean + */ + protected function isSuperSelector($super, $sub) + { + // one and only one selector for each arg + if (! $super || \count($super) !== 1) { + $this->throwError("Invalid super selector for isSuperSelector()"); + } + + if (! $sub || \count($sub) !== 1) { + $this->throwError("Invalid sub selector for isSuperSelector()"); + } + + $super = reset($super); + $sub = reset($sub); + + $i = 0; + $nextMustMatch = false; + + foreach ($super as $node) { + $compound = ''; + + array_walk_recursive( + $node, + function ($value, $key) use (&$compound) { + $compound .= $value; + } + ); + + if ($this->isImmediateRelationshipCombinator($compound)) { + if ($node !== $sub[$i]) { + return false; + } + + $nextMustMatch = true; + $i++; + } else { + while ($i < \count($sub) && ! $this->isSuperPart($node, $sub[$i])) { + if ($nextMustMatch) { + return false; + } + + $i++; + } + + if ($i >= \count($sub)) { + return false; + } + + $nextMustMatch = false; + $i++; + } + } + + return true; + } + + /** + * Test a part of super selector again a part of sub selector + * + * @param array $superParts + * @param array $subParts + * + * @return boolean + */ + protected function isSuperPart($superParts, $subParts) + { + $i = 0; + + foreach ($superParts as $superPart) { + while ($i < \count($subParts) && $subParts[$i] !== $superPart) { + $i++; + } + + if ($i >= \count($subParts)) { + return false; + } + + $i++; + } + + return true; + } + + protected static $libSelectorAppend = ['selector...']; + protected function libSelectorAppend($args) + { + // get the selector... list + $args = reset($args); + $args = $args[2]; + + if (\count($args) < 1) { + $this->throwError("selector-append() needs at least 1 argument"); + } + + $selectors = array_map([$this, 'getSelectorArg'], $args); + + return $this->formatOutputSelector($this->selectorAppend($selectors)); + } + + /** + * Append parts of the last selector in the list to the previous, recursively + * + * @param array $selectors + * + * @return array + * + * @throws \ScssPhp\ScssPhp\Exception\CompilerException + */ + protected function selectorAppend($selectors) + { + $lastSelectors = array_pop($selectors); + + if (! $lastSelectors) { + $this->throwError("Invalid selector list in selector-append()"); + } + + while (\count($selectors)) { + $previousSelectors = array_pop($selectors); + + if (! $previousSelectors) { + $this->throwError("Invalid selector list in selector-append()"); + } + + // do the trick, happening $lastSelector to $previousSelector + $appended = []; + + foreach ($lastSelectors as $lastSelector) { + $previous = $previousSelectors; + + foreach ($lastSelector as $lastSelectorParts) { + foreach ($lastSelectorParts as $lastSelectorPart) { + foreach ($previous as $i => $previousSelector) { + foreach ($previousSelector as $j => $previousSelectorParts) { + $previous[$i][$j][] = $lastSelectorPart; + } + } + } + } + + foreach ($previous as $ps) { + $appended[] = $ps; + } + } + + $lastSelectors = $appended; + } + + return $lastSelectors; + } + + protected static $libSelectorExtend = ['selectors', 'extendee', 'extender']; + protected function libSelectorExtend($args) + { + list($selectors, $extendee, $extender) = $args; + + $selectors = $this->getSelectorArg($selectors); + $extendee = $this->getSelectorArg($extendee); + $extender = $this->getSelectorArg($extender); + + if (! $selectors || ! $extendee || ! $extender) { + $this->throwError("selector-extend() invalid arguments"); + } + + $extended = $this->extendOrReplaceSelectors($selectors, $extendee, $extender); + + return $this->formatOutputSelector($extended); + } + + protected static $libSelectorReplace = ['selectors', 'original', 'replacement']; + protected function libSelectorReplace($args) + { + list($selectors, $original, $replacement) = $args; + + $selectors = $this->getSelectorArg($selectors); + $original = $this->getSelectorArg($original); + $replacement = $this->getSelectorArg($replacement); + + if (! $selectors || ! $original || ! $replacement) { + $this->throwError("selector-replace() invalid arguments"); + } + + $replaced = $this->extendOrReplaceSelectors($selectors, $original, $replacement, true); + + return $this->formatOutputSelector($replaced); + } + + /** + * Extend/replace in selectors + * used by selector-extend and selector-replace that use the same logic + * + * @param array $selectors + * @param array $extendee + * @param array $extender + * @param boolean $replace + * + * @return array + */ + protected function extendOrReplaceSelectors($selectors, $extendee, $extender, $replace = false) + { + $saveExtends = $this->extends; + $saveExtendsMap = $this->extendsMap; + + $this->extends = []; + $this->extendsMap = []; + + foreach ($extendee as $es) { + // only use the first one + $this->pushExtends(reset($es), $extender, null); + } + + $extended = []; + + foreach ($selectors as $selector) { + if (! $replace) { + $extended[] = $selector; + } + + $n = \count($extended); + + $this->matchExtends($selector, $extended); + + // if didnt match, keep the original selector if we are in a replace operation + if ($replace and \count($extended) === $n) { + $extended[] = $selector; + } + } + + $this->extends = $saveExtends; + $this->extendsMap = $saveExtendsMap; + + return $extended; + } + + protected static $libSelectorNest = ['selector...']; + protected function libSelectorNest($args) + { + // get the selector... list + $args = reset($args); + $args = $args[2]; + + if (\count($args) < 1) { + $this->throwError("selector-nest() needs at least 1 argument"); + } + + $selectorsMap = array_map([$this, 'getSelectorArg'], $args); + $envs = []; + + foreach ($selectorsMap as $selectors) { + $env = new Environment(); + $env->selectors = $selectors; + + $envs[] = $env; + } + + $envs = array_reverse($envs); + $env = $this->extractEnv($envs); + $outputSelectors = $this->multiplySelectors($env); + + return $this->formatOutputSelector($outputSelectors); + } + + protected static $libSelectorParse = ['selectors']; + protected function libSelectorParse($args) + { + $selectors = reset($args); + $selectors = $this->getSelectorArg($selectors); + + return $this->formatOutputSelector($selectors); + } + + protected static $libSelectorUnify = ['selectors1', 'selectors2']; + protected function libSelectorUnify($args) + { + list($selectors1, $selectors2) = $args; + + $selectors1 = $this->getSelectorArg($selectors1); + $selectors2 = $this->getSelectorArg($selectors2); + + if (! $selectors1 || ! $selectors2) { + $this->throwError("selector-unify() invalid arguments"); + } + + // only consider the first compound of each + $compound1 = reset($selectors1); + $compound2 = reset($selectors2); + + // unify them and that's it + $unified = $this->unifyCompoundSelectors($compound1, $compound2); + + return $this->formatOutputSelector($unified); + } + + /** + * The selector-unify magic as its best + * (at least works as expected on test cases) + * + * @param array $compound1 + * @param array $compound2 + * + * @return array|mixed + */ + protected function unifyCompoundSelectors($compound1, $compound2) + { + if (! \count($compound1)) { + return $compound2; + } + + if (! \count($compound2)) { + return $compound1; + } + + // check that last part are compatible + $lastPart1 = array_pop($compound1); + $lastPart2 = array_pop($compound2); + $last = $this->mergeParts($lastPart1, $lastPart2); + + if (! $last) { + return [[]]; + } + + $unifiedCompound = [$last]; + $unifiedSelectors = [$unifiedCompound]; + + // do the rest + while (\count($compound1) || \count($compound2)) { + $part1 = end($compound1); + $part2 = end($compound2); + + if ($part1 && ($match2 = $this->matchPartInCompound($part1, $compound2))) { + list($compound2, $part2, $after2) = $match2; + + if ($after2) { + $unifiedSelectors = $this->prependSelectors($unifiedSelectors, $after2); + } + + $c = $this->mergeParts($part1, $part2); + $unifiedSelectors = $this->prependSelectors($unifiedSelectors, [$c]); + + $part1 = $part2 = null; + + array_pop($compound1); + } + + if ($part2 && ($match1 = $this->matchPartInCompound($part2, $compound1))) { + list($compound1, $part1, $after1) = $match1; + + if ($after1) { + $unifiedSelectors = $this->prependSelectors($unifiedSelectors, $after1); + } + + $c = $this->mergeParts($part2, $part1); + $unifiedSelectors = $this->prependSelectors($unifiedSelectors, [$c]); + + $part1 = $part2 = null; + + array_pop($compound2); + } + + $new = []; + + if ($part1 && $part2) { + array_pop($compound1); + array_pop($compound2); + + $s = $this->prependSelectors($unifiedSelectors, [$part2]); + $new = array_merge($new, $this->prependSelectors($s, [$part1])); + $s = $this->prependSelectors($unifiedSelectors, [$part1]); + $new = array_merge($new, $this->prependSelectors($s, [$part2])); + } elseif ($part1) { + array_pop($compound1); + + $new = array_merge($new, $this->prependSelectors($unifiedSelectors, [$part1])); + } elseif ($part2) { + array_pop($compound2); + + $new = array_merge($new, $this->prependSelectors($unifiedSelectors, [$part2])); + } + + if ($new) { + $unifiedSelectors = $new; + } + } + + return $unifiedSelectors; + } + + /** + * Prepend each selector from $selectors with $parts + * + * @param array $selectors + * @param array $parts + * + * @return array + */ + protected function prependSelectors($selectors, $parts) + { + $new = []; + + foreach ($selectors as $compoundSelector) { + array_unshift($compoundSelector, $parts); + + $new[] = $compoundSelector; + } + + return $new; + } + + /** + * Try to find a matching part in a compound: + * - with same html tag name + * - with some class or id or something in common + * + * @param array $part + * @param array $compound + * + * @return array|boolean + */ + protected function matchPartInCompound($part, $compound) + { + $partTag = $this->findTagName($part); + $before = $compound; + $after = []; + + // try to find a match by tag name first + while (\count($before)) { + $p = array_pop($before); + + if ($partTag && $partTag !== '*' && $partTag == $this->findTagName($p)) { + return [$before, $p, $after]; + } + + $after[] = $p; + } + + // try again matching a non empty intersection and a compatible tagname + $before = $compound; + $after = []; + + while (\count($before)) { + $p = array_pop($before); + + if ($this->checkCompatibleTags($partTag, $this->findTagName($p))) { + if (\count(array_intersect($part, $p))) { + return [$before, $p, $after]; + } + } + + $after[] = $p; + } + + return false; + } + + /** + * Merge two part list taking care that + * - the html tag is coming first - if any + * - the :something are coming last + * + * @param array $parts1 + * @param array $parts2 + * + * @return array + */ + protected function mergeParts($parts1, $parts2) + { + $tag1 = $this->findTagName($parts1); + $tag2 = $this->findTagName($parts2); + $tag = $this->checkCompatibleTags($tag1, $tag2); + + // not compatible tags + if ($tag === false) { + return []; + } + + if ($tag) { + if ($tag1) { + $parts1 = array_diff($parts1, [$tag1]); + } + + if ($tag2) { + $parts2 = array_diff($parts2, [$tag2]); + } + } + + $mergedParts = array_merge($parts1, $parts2); + $mergedOrderedParts = []; + + foreach ($mergedParts as $part) { + if (strpos($part, ':') === 0) { + $mergedOrderedParts[] = $part; + } + } + + $mergedParts = array_diff($mergedParts, $mergedOrderedParts); + $mergedParts = array_merge($mergedParts, $mergedOrderedParts); + + if ($tag) { + array_unshift($mergedParts, $tag); + } + + return $mergedParts; + } + + /** + * Check the compatibility between two tag names: + * if both are defined they should be identical or one has to be '*' + * + * @param string $tag1 + * @param string $tag2 + * + * @return array|boolean + */ + protected function checkCompatibleTags($tag1, $tag2) + { + $tags = [$tag1, $tag2]; + $tags = array_unique($tags); + $tags = array_filter($tags); + + if (\count($tags) > 1) { + $tags = array_diff($tags, ['*']); + } + + // not compatible nodes + if (\count($tags) > 1) { + return false; + } + + return $tags; + } + + /** + * Find the html tag name in a selector parts list + * + * @param array $parts + * + * @return mixed|string + */ + protected function findTagName($parts) + { + foreach ($parts as $part) { + if (! preg_match('/^[\[.:#%_-]/', $part)) { + return $part; + } + } + + return ''; + } + + protected static $libSimpleSelectors = ['selector']; + protected function libSimpleSelectors($args) + { + $selector = reset($args); + $selector = $this->getSelectorArg($selector); + + // remove selectors list layer, keeping the first one + $selector = reset($selector); + + // remove parts list layer, keeping the first part + $part = reset($selector); + + $listParts = []; + + foreach ($part as $p) { + $listParts[] = [Type::T_STRING, '', [$p]]; + } + + return [Type::T_LIST, ',', $listParts]; + } + + protected static $libScssphpGlob = ['pattern']; + protected function libScssphpGlob($args) + { + $string = $this->coerceString($args[0]); + $pattern = $this->compileStringContent($string); + $matches = glob($pattern); + $listParts = []; + + foreach ($matches as $match) { + if (! is_file($match)) { + continue; + } + + $listParts[] = [Type::T_STRING, '"', [$match]]; + } + + return [Type::T_LIST, ',', $listParts]; + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler/Environment.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler/Environment.php similarity index 68% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler/Environment.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler/Environment.php index 99231f3682..5dbe9f3899 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler/Environment.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Compiler/Environment.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Compiler; +namespace ScssPhp\ScssPhp\Compiler; /** * Compiler environment @@ -19,12 +19,12 @@ namespace Leafo\ScssPhp\Compiler; class Environment { /** - * @var \Leafo\ScssPhp\Block + * @var \ScssPhp\ScssPhp\Block */ public $block; /** - * @var \Leafo\ScssPhp\Compiler\Environment + * @var \ScssPhp\ScssPhp\Compiler\Environment */ public $parent; diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/CompilerException.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/CompilerException.php similarity index 65% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/CompilerException.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/CompilerException.php index 7ca2e2b3bb..c91ec96a21 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/CompilerException.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/CompilerException.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Exception; +namespace ScssPhp\ScssPhp\Exception; /** * Compiler exception diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ParserException.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/ParserException.php similarity index 64% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ParserException.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/ParserException.php index 6d64335fe7..62e9df4604 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ParserException.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/ParserException.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Exception; +namespace ScssPhp\ScssPhp\Exception; /** * Parser Exception diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/RangeException.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/RangeException.php similarity index 64% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/RangeException.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/RangeException.php index 3ba6bf143b..5f7537f9fe 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/RangeException.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/RangeException.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Exception; +namespace ScssPhp\ScssPhp\Exception; /** * Range exception diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ServerException.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/ServerException.php similarity index 64% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ServerException.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/ServerException.php index d0ed084273..4853344293 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ServerException.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Exception/ServerException.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Exception; +namespace ScssPhp\ScssPhp\Exception; /** * Server Exception diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter.php similarity index 58% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter.php index b4f90aa9d8..eb09c394d7 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter.php @@ -2,17 +2,17 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; -use Leafo\ScssPhp\Formatter\OutputBlock; -use Leafo\ScssPhp\SourceMap\SourceMapGenerator; +use ScssPhp\ScssPhp\Formatter\OutputBlock; +use ScssPhp\ScssPhp\SourceMap\SourceMapGenerator; /** * Base formatter @@ -62,7 +62,7 @@ abstract class Formatter public $keepSemicolons; /** - * @var \Leafo\ScssPhp\Formatter\OutputBlock + * @var \ScssPhp\ScssPhp\Formatter\OutputBlock */ protected $currentBlock; @@ -77,10 +77,15 @@ abstract class Formatter protected $currentColumn; /** - * @var \Leafo\ScssPhp\SourceMap\SourceMapGenerator + * @var \ScssPhp\ScssPhp\SourceMap\SourceMapGenerator */ protected $sourceMapGenerator; + /** + * @var string + */ + protected $strippedSemicolon; + /** * Initialize formatter * @@ -114,35 +119,30 @@ abstract class Formatter } /** - * Strip semi-colon appended by property(); it's a separator, not a terminator + * Return custom property assignment + * differs in that you have to keep spaces in the value as is * * @api * - * @param array $lines + * @param string $name + * @param mixed $value + * + * @return string */ - public function stripSemicolon(&$lines) + public function customProperty($name, $value) { - if ($this->keepSemicolons) { - return; - } - - if (($count = count($lines)) - && substr($lines[$count - 1], -1) === ';' - ) { - $lines[$count - 1] = substr($lines[$count - 1], 0, -1); - } + return rtrim($name) . trim($this->assignSeparator) . $value . ';'; } /** * Output lines inside a block * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block */ protected function blockLines(OutputBlock $block) { $inner = $this->indentStr(); - - $glue = $this->break . $inner; + $glue = $this->break . $inner; $this->write($inner . implode($glue, $block->lines)); @@ -154,7 +154,7 @@ abstract class Formatter /** * Output block selectors * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block */ protected function blockSelectors(OutputBlock $block) { @@ -168,7 +168,7 @@ abstract class Formatter /** * Output block children * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block */ protected function blockChildren(OutputBlock $block) { @@ -180,7 +180,7 @@ abstract class Formatter /** * Output non-empty block * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block */ protected function block(OutputBlock $block) { @@ -209,6 +209,10 @@ abstract class Formatter if (! empty($block->selectors)) { $this->indentLevel--; + if (! $this->keepSemicolons) { + $this->strippedSemicolon = ''; + } + if (empty($block->children)) { $this->write($this->break); } @@ -217,13 +221,41 @@ abstract class Formatter } } + /** + * Test and clean safely empty children + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block + * + * @return boolean + */ + protected function testEmptyChildren($block) + { + $isEmpty = empty($block->lines); + + if ($block->children) { + foreach ($block->children as $k => &$child) { + if (! $this->testEmptyChildren($child)) { + $isEmpty = false; + continue; + } + + if ($child->type === Type::T_MEDIA || $child->type === Type::T_DIRECTIVE) { + $child->children = []; + $child->selectors = null; + } + } + } + + return $isEmpty; + } + /** * Entry point to formatting a block * * @api * - * @param \Leafo\ScssPhp\Formatter\OutputBlock $block An abstract syntax tree - * @param \Leafo\ScssPhp\SourceMap\SourceMapGenerator|null $sourceMapGenerator Optional source map generator + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block An abstract syntax tree + * @param \ScssPhp\ScssPhp\SourceMap\SourceMapGenerator|null $sourceMapGenerator Optional source map generator * * @return string */ @@ -232,11 +264,13 @@ abstract class Formatter $this->sourceMapGenerator = null; if ($sourceMapGenerator) { - $this->currentLine = 1; - $this->currentColumn = 0; + $this->currentLine = 1; + $this->currentColumn = 0; $this->sourceMapGenerator = $sourceMapGenerator; } + $this->testEmptyChildren($block); + ob_start(); $this->block($block); @@ -247,26 +281,49 @@ abstract class Formatter } /** + * Output content + * * @param string $str */ protected function write($str) { + if (! empty($this->strippedSemicolon)) { + echo $this->strippedSemicolon; + + $this->strippedSemicolon = ''; + } + + /* + * Maybe Strip semi-colon appended by property(); it's a separator, not a terminator + * will be striped for real before a closing, otherwise displayed unchanged starting the next write + */ + if (! $this->keepSemicolons && + $str && + (strpos($str, ';') !== false) && + (substr($str, -1) === ';') + ) { + $str = substr($str, 0, -1); + + $this->strippedSemicolon = ';'; + } + if ($this->sourceMapGenerator) { $this->sourceMapGenerator->addMapping( $this->currentLine, $this->currentColumn, $this->currentBlock->sourceLine, - $this->currentBlock->sourceColumn - 1, //columns from parser are off by one + //columns from parser are off by one + $this->currentBlock->sourceColumn > 0 ? $this->currentBlock->sourceColumn - 1 : 0, $this->currentBlock->sourceName ); $lines = explode("\n", $str); - $lineCount = count($lines); + $lineCount = \count($lines); $this->currentLine += $lineCount-1; $lastLine = array_pop($lines); - $this->currentColumn = ($lineCount === 1 ? $this->currentColumn : 0) + strlen($lastLine); + $this->currentColumn = ($lineCount === 1 ? $this->currentColumn : 0) + \strlen($lastLine); } echo $str; diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compact.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Compact.php similarity index 81% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compact.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Compact.php index 4efa1a089a..a166ed9d97 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compact.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Compact.php @@ -2,16 +2,16 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Formatter; +namespace ScssPhp\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter; +use ScssPhp\ScssPhp\Formatter; /** * Compact formatter diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compressed.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Compressed.php similarity index 64% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compressed.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Compressed.php index 1faa7e11e5..f400d92ab4 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compressed.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Compressed.php @@ -2,17 +2,17 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Formatter; +namespace ScssPhp\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter\OutputBlock; +use ScssPhp\ScssPhp\Formatter; +use ScssPhp\ScssPhp\Formatter\OutputBlock; /** * Compressed formatter @@ -59,4 +59,23 @@ class Compressed extends Formatter $this->write($this->break); } } + + /** + * Output block selectors + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block + */ + protected function blockSelectors(OutputBlock $block) + { + $inner = $this->indentStr(); + + $this->write( + $inner + . implode( + $this->tagSeparator, + str_replace([' > ', ' + ', ' ~ '], ['>', '+', '~'], $block->selectors) + ) + . $this->open . $this->break + ); + } } diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Crunched.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Crunched.php similarity index 61% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Crunched.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Crunched.php index 42d77b5f78..c2aea9906c 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Crunched.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Crunched.php @@ -2,17 +2,17 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Formatter; +namespace ScssPhp\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter\OutputBlock; +use ScssPhp\ScssPhp\Formatter; +use ScssPhp\ScssPhp\Formatter\OutputBlock; /** * Crunched formatter @@ -57,4 +57,23 @@ class Crunched extends Formatter $this->write($this->break); } } + + /** + * Output block selectors + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block + */ + protected function blockSelectors(OutputBlock $block) + { + $inner = $this->indentStr(); + + $this->write( + $inner + . implode( + $this->tagSeparator, + str_replace([' > ', ' + ', ' ~ '], ['>', '+', '~'], $block->selectors) + ) + . $this->open . $this->break + ); + } } diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Debug.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Debug.php similarity index 92% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Debug.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Debug.php index bfcbf41ad7..6a2848d410 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Debug.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Debug.php @@ -2,17 +2,17 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Formatter; +namespace ScssPhp\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter\OutputBlock; +use ScssPhp\ScssPhp\Formatter; +use ScssPhp\ScssPhp\Formatter\OutputBlock; /** * Debug formatter diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Expanded.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Expanded.php similarity index 81% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Expanded.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Expanded.php index d8c1e8879e..e3510fac92 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Expanded.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Expanded.php @@ -2,17 +2,17 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Formatter; +namespace ScssPhp\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter; -use Leafo\ScssPhp\Formatter\OutputBlock; +use ScssPhp\ScssPhp\Formatter; +use ScssPhp\ScssPhp\Formatter\OutputBlock; /** * Expanded formatter @@ -55,7 +55,7 @@ class Expanded extends Formatter foreach ($block->lines as $index => $line) { if (substr($line, 0, 2) === '/*') { - $block->lines[$index] = preg_replace('/(\r|\n)+/', $glue, $line); + $block->lines[$index] = preg_replace('/[\r\n]+/', $glue, $line); } } diff --git a/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Nested.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Nested.php new file mode 100644 index 0000000000..7179908c20 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/Nested.php @@ -0,0 +1,229 @@ + + */ +class Nested extends Formatter +{ + /** + * @var integer + */ + private $depth; + + /** + * {@inheritdoc} + */ + public function __construct() + { + $this->indentLevel = 0; + $this->indentChar = ' '; + $this->break = "\n"; + $this->open = ' {'; + $this->close = ' }'; + $this->tagSeparator = ', '; + $this->assignSeparator = ': '; + $this->keepSemicolons = true; + } + + /** + * {@inheritdoc} + */ + protected function indentStr() + { + $n = $this->depth - 1; + + return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); + } + + /** + * {@inheritdoc} + */ + protected function blockLines(OutputBlock $block) + { + $inner = $this->indentStr(); + $glue = $this->break . $inner; + + foreach ($block->lines as $index => $line) { + if (substr($line, 0, 2) === '/*') { + $block->lines[$index] = preg_replace('/[\r\n]+/', $glue, $line); + } + } + + $this->write($inner . implode($glue, $block->lines)); + } + + /** + * {@inheritdoc} + */ + protected function block(OutputBlock $block) + { + static $depths; + static $downLevel; + static $closeBlock; + static $previousEmpty; + static $previousHasSelector; + + if ($block->type === 'root') { + $depths = [ 0 ]; + $downLevel = ''; + $closeBlock = ''; + $this->depth = 0; + $previousEmpty = false; + $previousHasSelector = false; + } + + $isMediaOrDirective = \in_array($block->type, [Type::T_DIRECTIVE, Type::T_MEDIA]); + $isSupport = ($block->type === Type::T_DIRECTIVE + && $block->selectors && strpos(implode('', $block->selectors), '@supports') !== false); + + while ($block->depth < end($depths) || ($block->depth == 1 && end($depths) == 1)) { + array_pop($depths); + $this->depth--; + + if (! $this->depth && ($block->depth <= 1 || (! $this->indentLevel && $block->type === Type::T_COMMENT)) && + (($block->selectors && ! $isMediaOrDirective) || $previousHasSelector) + ) { + $downLevel = $this->break; + } + + if (empty($block->lines) && empty($block->children)) { + $previousEmpty = true; + } + } + + if (empty($block->lines) && empty($block->children)) { + return; + } + + $this->currentBlock = $block; + + if (! empty($block->lines) || (! empty($block->children) && ($this->depth < 1 || $isSupport))) { + if ($block->depth > end($depths)) { + if (! $previousEmpty || $this->depth < 1) { + $this->depth++; + + $depths[] = $block->depth; + } else { + // keep the current depth unchanged but take the block depth as a new reference for following blocks + array_pop($depths); + + $depths[] = $block->depth; + } + } + } + + $previousEmpty = ($block->type === Type::T_COMMENT); + $previousHasSelector = false; + + if (! empty($block->selectors)) { + if ($closeBlock) { + $this->write($closeBlock); + $closeBlock = ''; + } + + if ($downLevel) { + $this->write($downLevel); + $downLevel = ''; + } + + $this->blockSelectors($block); + + $this->indentLevel++; + } + + if (! empty($block->lines)) { + if ($closeBlock) { + $this->write($closeBlock); + $closeBlock = ''; + } + + if ($downLevel) { + $this->write($downLevel); + $downLevel = ''; + } + + $this->blockLines($block); + + $closeBlock = $this->break; + } + + if (! empty($block->children)) { + if ($this->depth > 0 && ($isMediaOrDirective || ! $this->hasFlatChild($block))) { + array_pop($depths); + + $this->depth--; + $this->blockChildren($block); + $this->depth++; + + $depths[] = $block->depth; + } else { + $this->blockChildren($block); + } + } + + // reclear to not be spoiled by children if T_DIRECTIVE + if ($block->type === Type::T_DIRECTIVE) { + $previousHasSelector = false; + } + + if (! empty($block->selectors)) { + $this->indentLevel--; + + if (! $this->keepSemicolons) { + $this->strippedSemicolon = ''; + } + + $this->write($this->close); + + $closeBlock = $this->break; + + if ($this->depth > 1 && ! empty($block->children)) { + array_pop($depths); + $this->depth--; + } + + if (! $isMediaOrDirective) { + $previousHasSelector = true; + } + } + + if ($block->type === 'root') { + $this->write($this->break); + } + } + + /** + * Block has flat child + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block + * + * @return boolean + */ + private function hasFlatChild($block) + { + foreach ($block->children as $child) { + if (empty($child->selectors)) { + return true; + } + } + + return false; + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/OutputBlock.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/OutputBlock.php similarity index 80% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/OutputBlock.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/OutputBlock.php index 5eb589c945..24841a5915 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/OutputBlock.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Formatter/OutputBlock.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Formatter; +namespace ScssPhp\ScssPhp\Formatter; /** * Output block @@ -44,7 +44,7 @@ class OutputBlock public $children; /** - * @var \Leafo\ScssPhp\Formatter\OutputBlock + * @var \ScssPhp\ScssPhp\Formatter\OutputBlock */ public $parent; diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Node.php similarity index 79% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Node.php index b9f7945a35..cab9a4b881 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Node.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; /** * Base node diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node/Number.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Node/Number.php similarity index 65% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node/Number.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Node/Number.php index 42c168037f..4e6f664648 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node/Number.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Node/Number.php @@ -2,18 +2,18 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\Node; +namespace ScssPhp\ScssPhp\Node; -use Leafo\ScssPhp\Compiler; -use Leafo\ScssPhp\Node; -use Leafo\ScssPhp\Type; +use ScssPhp\ScssPhp\Compiler; +use ScssPhp\ScssPhp\Node; +use ScssPhp\ScssPhp\Type; /** * Dimension + optional units @@ -31,14 +31,14 @@ class Number extends Node implements \ArrayAccess /** * @var integer */ - static public $precision = 10; + public static $precision = 10; /** * @see http://www.w3.org/TR/2012/WD-css3-values-20120308/ * * @var array */ - static protected $unitTable = [ + protected static $unitTable = [ 'in' => [ 'in' => 1, 'pc' => 6, @@ -64,8 +64,8 @@ class Number extends Node implements \ArrayAccess ], 'dpi' => [ 'dpi' => 1, - 'dpcm' => 2.54, - 'dppx' => 96, + 'dpcm' => 1/2.54, + 'dppx' => 1/96, ], ]; @@ -89,7 +89,7 @@ class Number extends Node implements \ArrayAccess { $this->type = Type::T_NUMBER; $this->dimension = $dimension; - $this->units = is_array($initialUnit) + $this->units = \is_array($initialUnit) ? $initialUnit : ($initialUnit ? [$initialUnit => 1] : []); @@ -100,7 +100,7 @@ class Number extends Node implements \ArrayAccess * * @param array $units * - * @return \Leafo\ScssPhp\Node\Number + * @return \ScssPhp\ScssPhp\Node\Number */ public function coerce($units) { @@ -110,11 +110,18 @@ class Number extends Node implements \ArrayAccess $dimension = $this->dimension; - foreach (static::$unitTable['in'] as $unit => $conv) { - $from = isset($this->units[$unit]) ? $this->units[$unit] : 0; - $to = isset($units[$unit]) ? $units[$unit] : 0; - $factor = pow($conv, $from - $to); - $dimension /= $factor; + if (\count($units)) { + $baseUnit = array_keys($units); + $baseUnit = reset($baseUnit); + $baseUnit = $this->findBaseUnit($baseUnit); + if ($baseUnit && isset(static::$unitTable[$baseUnit])) { + foreach (static::$unitTable[$baseUnit] as $unit => $conv) { + $from = isset($this->units[$unit]) ? $this->units[$unit] : 0; + $to = isset($units[$unit]) ? $units[$unit] : 0; + $factor = pow($conv, $from - $to); + $dimension /= $factor; + } + } } return new Number($dimension, $units); @@ -123,14 +130,14 @@ class Number extends Node implements \ArrayAccess /** * Normalize number * - * @return \Leafo\ScssPhp\Node\Number + * @return \ScssPhp\ScssPhp\Node\Number */ public function normalize() { $dimension = $this->dimension; $units = []; - $this->normalizeUnits($dimension, $units, 'in'); + $this->normalizeUnits($dimension, $units); return new Number($dimension, $units); } @@ -141,17 +148,17 @@ class Number extends Node implements \ArrayAccess public function offsetExists($offset) { if ($offset === -3) { - return $this->sourceColumn !== null; + return ! \is_null($this->sourceColumn); } if ($offset === -2) { - return $this->sourceLine !== null; + return ! \is_null($this->sourceLine); } - if ($offset === -1 - || $offset === 0 - || $offset === 1 - || $offset === 2 + if ($offset === -1 || + $offset === 0 || + $offset === 1 || + $offset === 2 ) { return true; } @@ -231,6 +238,35 @@ class Number extends Node implements \ArrayAccess return ! array_sum($this->units); } + /** + * Test if a number can be normalized in a base unit + * ie if its units are homogeneous + * + * @return boolean + */ + public function isNormalizable() + { + if ($this->unitless()) { + return false; + } + + $baseUnit = null; + + foreach ($this->units as $unit => $exp) { + $b = $this->findBaseUnit($unit); + + if (\is_null($baseUnit)) { + $baseUnit = $b; + } + + if (\is_null($b) or $b !== $baseUnit) { + return false; + } + } + + return $baseUnit; + } + /** * Returns unit(s) as the product of numerator units divided by the product of denominator units * @@ -243,23 +279,23 @@ class Number extends Node implements \ArrayAccess foreach ($this->units as $unit => $unitSize) { if ($unitSize > 0) { - $numerators = array_pad($numerators, count($numerators) + $unitSize, $unit); + $numerators = array_pad($numerators, \count($numerators) + $unitSize, $unit); continue; } if ($unitSize < 0) { - $denominators = array_pad($denominators, count($denominators) + $unitSize, $unit); + $denominators = array_pad($denominators, \count($denominators) - $unitSize, $unit); continue; } } - return implode('*', $numerators) . (count($denominators) ? '/' . implode('*', $denominators) : ''); + return implode('*', $numerators) . (\count($denominators) ? '/' . implode('*', $denominators) : ''); } /** * Output number * - * @param \Leafo\ScssPhp\Compiler $compiler + * @param \ScssPhp\ScssPhp\Compiler $compiler * * @return string */ @@ -271,11 +307,11 @@ class Number extends Node implements \ArrayAccess return $unitSize; }); - if (count($units) > 1 && array_sum($units) === 0) { + if (\count($units) > 1 && array_sum($units) === 0) { $dimension = $this->dimension; $units = []; - $this->normalizeUnits($dimension, $units, 'in'); + $this->normalizeUnits($dimension, $units); $dimension = round($dimension, static::$precision); $units = array_filter($units, function ($unitSize) { @@ -285,12 +321,14 @@ class Number extends Node implements \ArrayAccess $unitSize = array_sum($units); - if ($compiler && ($unitSize > 1 || $unitSize < 0 || count($units) > 1)) { - $compiler->throwError((string) $dimension . $this->unitStr() . " isn't a valid CSS value."); + if ($compiler && ($unitSize > 1 || $unitSize < 0 || \count($units) > 1)) { + $this->units = $units; + $unit = $this->unitStr(); + } else { + reset($units); + $unit = key($units); } - reset($units); - $unit = key($units); $dimension = number_format($dimension, static::$precision, '.', ''); return (static::$precision ? rtrim(rtrim($dimension, '0'), '.') : $dimension) . $unit; @@ -311,13 +349,17 @@ class Number extends Node implements \ArrayAccess * @param array $units * @param string $baseUnit */ - private function normalizeUnits(&$dimension, &$units, $baseUnit = 'in') + private function normalizeUnits(&$dimension, &$units, $baseUnit = null) { $dimension = $this->dimension; $units = []; foreach ($this->units as $unit => $exp) { - if (isset(static::$unitTable[$baseUnit][$unit])) { + if (! $baseUnit) { + $baseUnit = $this->findBaseUnit($unit); + } + + if ($baseUnit && isset(static::$unitTable[$baseUnit][$unit])) { $factor = pow(static::$unitTable[$baseUnit][$unit], $exp); $unit = $baseUnit; @@ -327,4 +369,22 @@ class Number extends Node implements \ArrayAccess $units[$unit] = $exp + (isset($units[$unit]) ? $units[$unit] : 0); } } + + /** + * Find the base unit family for a given unit + * + * @param string $unit + * + * @return string|null + */ + private function findBaseUnit($unit) + { + foreach (static::$unitTable as $baseUnit => $unitVariants) { + if (isset($unitVariants[$unit])) { + return $baseUnit; + } + } + + return null; + } } diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Parser.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Parser.php similarity index 61% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Parser.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Parser.php index 1eda928f00..5083d56249 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Parser.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Parser.php @@ -2,20 +2,21 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; -use Leafo\ScssPhp\Block; -use Leafo\ScssPhp\Compiler; -use Leafo\ScssPhp\Exception\ParserException; -use Leafo\ScssPhp\Node; -use Leafo\ScssPhp\Type; +use ScssPhp\ScssPhp\Block; +use ScssPhp\ScssPhp\Cache; +use ScssPhp\ScssPhp\Compiler; +use ScssPhp\ScssPhp\Exception\ParserException; +use ScssPhp\ScssPhp\Node; +use ScssPhp\ScssPhp\Type; /** * Parser @@ -53,6 +54,8 @@ class Parser protected static $operatorPattern; protected static $whitePattern; + protected $cache; + private $sourceName; private $sourceIndex; private $sourcePositions; @@ -61,27 +64,37 @@ class Parser private $env; private $inParens; private $eatWhiteDefault; + private $discardComments; + private $allowVars; private $buffer; private $utf8; private $encoding; private $patternModifiers; + private $commentsSeen; + + private $cssOnly; /** * Constructor * * @api * - * @param string $sourceName - * @param integer $sourceIndex - * @param string $encoding + * @param string $sourceName + * @param integer $sourceIndex + * @param string $encoding + * @param \ScssPhp\ScssPhp\Cache $cache */ - public function __construct($sourceName, $sourceIndex = 0, $encoding = 'utf-8') + public function __construct($sourceName, $sourceIndex = 0, $encoding = 'utf-8', $cache = null, $cssOnly = false) { $this->sourceName = $sourceName ?: '(stdin)'; $this->sourceIndex = $sourceIndex; $this->charset = null; $this->utf8 = ! $encoding || strtolower($encoding) === 'utf-8'; $this->patternModifiers = $this->utf8 ? 'Aisu' : 'Ais'; + $this->commentsSeen = []; + $this->commentsSeen = []; + $this->allowVars = true; + $this->cssOnly = $cssOnly; if (empty(static::$operatorPattern)) { static::$operatorPattern = '([*\/%+-]|[!=]\=|\>\=?|\<\=\>|\<\=?|and|or)'; @@ -95,6 +108,10 @@ class Parser ? '/' . $commentSingle . '[^\n]*\s*|(' . static::$commentPattern . ')\s*|\s+/AisuS' : '/' . $commentSingle . '[^\n]*\s*|(' . static::$commentPattern . ')\s*|\s+/AisS'; } + + if ($cache) { + $this->cache = $cache; + } } /** @@ -116,18 +133,24 @@ class Parser * * @param string $msg * - * @throws \Leafo\ScssPhp\Exception\ParserException + * @throws \ScssPhp\ScssPhp\Exception\ParserException */ public function throwParseError($msg = 'parse error') { - list($line, /* $column */) = $this->getSourcePosition($this->count); + list($line, $column) = $this->getSourcePosition($this->count); - $loc = empty($this->sourceName) ? "line: $line" : "$this->sourceName on line $line"; + $loc = empty($this->sourceName) + ? "line: $line, column: $column" + : "$this->sourceName on line $line, at column $column"; if ($this->peek("(.*?)(\n|$)", $m, $this->count)) { + $this->restoreEncoding(); + throw new ParserException("$msg: failed at `$m[1]` $loc"); } + $this->restoreEncoding(); + throw new ParserException("$msg: $loc"); } @@ -138,10 +161,23 @@ class Parser * * @param string $buffer * - * @return \Leafo\ScssPhp\Block + * @return \ScssPhp\ScssPhp\Block */ public function parse($buffer) { + if ($this->cache) { + $cacheKey = $this->sourceName . ":" . md5($buffer); + $parseOptions = [ + 'charset' => $this->charset, + 'utf8' => $this->utf8, + ]; + $v = $this->cache->getCache("parse", $cacheKey, $parseOptions); + + if (! \is_null($v)) { + return $v; + } + } + // strip BOM (byte order marker) if (substr($buffer, 0, 3) === "\xef\xbb\xbf") { $buffer = substr($buffer, 3); @@ -165,7 +201,7 @@ class Parser ; } - if ($this->count !== strlen($this->buffer)) { + if ($this->count !== \strlen($this->buffer)) { $this->throwParseError(); } @@ -177,10 +213,12 @@ class Parser array_unshift($this->env->children, $this->charset); } - $this->env->isRoot = true; - $this->restoreEncoding(); + if ($this->cache) { + $this->cache->setCache("parse", $cacheKey, $this->env, $parseOptions); + } + return $this->env; } @@ -189,8 +227,8 @@ class Parser * * @api * - * @param string $buffer - * @param string $out + * @param string $buffer + * @param string|array $out * * @return boolean */ @@ -216,8 +254,8 @@ class Parser * * @api * - * @param string $buffer - * @param string $out + * @param string $buffer + * @param string|array $out * * @return boolean */ @@ -238,6 +276,33 @@ class Parser return $selector; } + /** + * Parse a media Query + * + * @api + * + * @param string $buffer + * @param string|array $out + * + * @return boolean + */ + public function parseMediaQueryList($buffer, &$out) + { + $this->count = 0; + $this->env = null; + $this->inParens = false; + $this->eatWhiteDefault = true; + $this->buffer = (string) $buffer; + + $this->saveEncoding(); + + $isMediaQuery = $this->mediaQueryList($out); + + $this->restoreEncoding(); + + return $isMediaQuery; + } + /** * Parse a single chunk off the head of the buffer and append it to the * current parse environment. @@ -286,18 +351,25 @@ class Parser if ($this->literal('@at-root', 8) && ($this->selectors($selector) || true) && ($this->map($with) || true) && - $this->matchChar('{') + (($this->matchChar('(') + && $this->interpolation($with) + && $this->matchChar(')')) || true) && + $this->matchChar('{', false) ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $atRoot = $this->pushSpecialBlock(Type::T_AT_ROOT, $s); $atRoot->selector = $selector; - $atRoot->with = $with; + $atRoot->with = $with; return true; } $this->seek($s); - if ($this->literal('@media', 6) && $this->mediaQueryList($mediaQueryList) && $this->matchChar('{')) { + if ($this->literal('@media', 6) && $this->mediaQueryList($mediaQueryList) && $this->matchChar('{', false)) { $media = $this->pushSpecialBlock(Type::T_MEDIA, $s); $media->queryList = $mediaQueryList[2]; @@ -309,8 +381,12 @@ class Parser if ($this->literal('@mixin', 6) && $this->keyword($mixinName) && ($this->argumentDef($args) || true) && - $this->matchChar('{') + $this->matchChar('{', false) ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $mixin = $this->pushSpecialBlock(Type::T_MIXIN, $s); $mixin->name = $mixinName; $mixin->args = $args; @@ -326,9 +402,22 @@ class Parser ($this->argValues($argValues) || true) && $this->matchChar(')') || true) && ($this->end() || + ($this->literal('using', 5) && + $this->argumentDef($argUsing) && + ($this->end() || $this->matchChar('{') && $hasBlock = true)) || $this->matchChar('{') && $hasBlock = true) ) { - $child = [Type::T_INCLUDE, $mixinName, isset($argValues) ? $argValues : null, null]; + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + + $child = [ + Type::T_INCLUDE, + $mixinName, + isset($argValues) ? $argValues : null, + null, + isset($argUsing) ? $argUsing : null + ]; if (! empty($hasBlock)) { $include = $this->pushSpecialBlock(Type::T_INCLUDE, $s); @@ -346,6 +435,10 @@ class Parser $this->valueList($importPath) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_SCSSPHP_IMPORT_ONCE, $importPath], $s); return true; @@ -368,6 +461,10 @@ class Parser $this->url($importPath) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_IMPORT, $importPath], $s); return true; @@ -379,6 +476,10 @@ class Parser $this->selectors($selectors) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + // check for '!flag' $optional = $this->stripOptionalFlag($selectors); $this->append([Type::T_EXTEND, $selectors, $optional], $s); @@ -391,8 +492,12 @@ class Parser if ($this->literal('@function', 9) && $this->keyword($fnName) && $this->argumentDef($args) && - $this->matchChar('{') + $this->matchChar('{', false) ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $func = $this->pushSpecialBlock(Type::T_FUNCTION, $s); $func->name = $fnName; $func->args = $args; @@ -403,6 +508,10 @@ class Parser $this->seek($s); if ($this->literal('@break', 6) && $this->end()) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_BREAK], $s); return true; @@ -411,6 +520,10 @@ class Parser $this->seek($s); if ($this->literal('@continue', 9) && $this->end()) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_CONTINUE], $s); return true; @@ -418,8 +531,11 @@ class Parser $this->seek($s); - if ($this->literal('@return', 7) && ($this->valueList($retVal) || true) && $this->end()) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_RETURN, isset($retVal) ? $retVal : [Type::T_NULL]], $s); return true; @@ -431,8 +547,12 @@ class Parser $this->genericList($varNames, 'variable', ',', false) && $this->literal('in', 2) && $this->valueList($list) && - $this->matchChar('{') + $this->matchChar('{', false) ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $each = $this->pushSpecialBlock(Type::T_EACH, $s); foreach ($varNames[2] as $varName) { @@ -448,8 +568,12 @@ class Parser if ($this->literal('@while', 6) && $this->expression($cond) && - $this->matchChar('{') + $this->matchChar('{', false) ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $while = $this->pushSpecialBlock(Type::T_WHILE, $s); $while->cond = $cond; @@ -465,12 +589,16 @@ class Parser ($this->literal('through', 7) || ($forUntil = true && $this->literal('to', 2))) && $this->expression($end) && - $this->matchChar('{') + $this->matchChar('{', false) ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $for = $this->pushSpecialBlock(Type::T_FOR, $s); - $for->var = $varName[1]; + $for->var = $varName[1]; $for->start = $start; - $for->end = $end; + $for->end = $end; $for->until = isset($forUntil); return true; @@ -478,9 +606,21 @@ class Parser $this->seek($s); - if ($this->literal('@if', 3) && $this->valueList($cond) && $this->matchChar('{')) { + if ($this->literal('@if', 3) && $this->valueList($cond) && $this->matchChar('{', false)) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $if = $this->pushSpecialBlock(Type::T_IF, $s); - $if->cond = $cond; + + while ($cond[0] === Type::T_LIST + && ! empty($cond['enclosing']) + && $cond['enclosing'] === 'parent' + && \count($cond[2]) == 1) { + $cond = reset($cond[2]); + } + + $if->cond = $cond; $if->cases = []; return true; @@ -492,6 +632,10 @@ class Parser $this->valueList($value) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_DEBUG, $value], $s); return true; @@ -503,6 +647,10 @@ class Parser $this->valueList($value) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_WARN, $value], $s); return true; @@ -514,6 +662,10 @@ class Parser $this->valueList($value) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $this->append([Type::T_ERROR, $value], $s); return true; @@ -521,8 +673,18 @@ class Parser $this->seek($s); - if ($this->literal('@content', 8) && $this->end()) { - $this->append([Type::T_MIXIN_CONTENT], $s); + if ($this->literal('@content', 8) && + ($this->end() || + $this->matchChar('(') && + $this->argValues($argContent) && + $this->matchChar(')') && + $this->end()) + ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + + $this->append([Type::T_MIXIN_CONTENT, isset($argContent) ? $argContent : null], $s); return true; } @@ -535,9 +697,9 @@ class Parser list(, $if) = $last; if ($this->literal('@else', 5)) { - if ($this->matchChar('{')) { + if ($this->matchChar('{', false)) { $else = $this->pushSpecialBlock(Type::T_ELSE, $s); - } elseif ($this->literal('if', 2) && $this->valueList($cond) && $this->matchChar('{')) { + } elseif ($this->literal('if', 2) && $this->valueList($cond) && $this->matchChar('{', false)) { $else = $this->pushSpecialBlock(Type::T_ELSEIF, $s); $else->cond = $cond; } @@ -575,11 +737,23 @@ class Parser $this->seek($s); + if ($this->literal('@supports', 9) && + ($t1=$this->supportsQuery($supportQuery)) && + ($t2=$this->matchChar('{', false)) + ) { + $directive = $this->pushSpecialBlock(Type::T_DIRECTIVE, $s); + $directive->name = 'supports'; + $directive->value = $supportQuery; + + return true; + } + + $this->seek($s); + // doesn't match built in directive, do generic one if ($this->matchChar('@', false) && $this->keyword($dirName) && - ($this->variable($dirValue) || $this->openString('{', $dirValue) || true) && - $this->matchChar('{') + $this->directiveValue($dirValue, '{') ) { if ($dirName === 'media') { $directive = $this->pushSpecialBlock(Type::T_MEDIA, $s); @@ -597,9 +771,67 @@ class Parser $this->seek($s); + // maybe it's a generic blockless directive + if ($this->matchChar('@', false) && + $this->keyword($dirName) && + $this->directiveValue($dirValue) && + $this->end() + ) { + $this->append([Type::T_DIRECTIVE, [$dirName, $dirValue]], $s); + + return true; + } + + $this->seek($s); + return false; } + // custom properties : right part is static + if (($this->customProperty($name) || ($this->cssOnly && $this->propertyName($name))) && + $this->matchChar(':', false) + ) { + $start = $this->count; + + // but can be complex and finish with ; or } + foreach ([';','}'] as $ending) { + if ($this->openString($ending, $stringValue, '(', ')', false) && + $this->end() + ) { + $end = $this->count; + $value = $stringValue; + + // check if we have only a partial value due to nested [] or { } to take in account + $nestingPairs = [['[', ']'], ['{', '}']]; + + foreach ($nestingPairs as $nestingPair) { + $p = strpos($this->buffer, $nestingPair[0], $start); + + if ($p && $p < $end) { + $this->seek($start); + + if ($this->openString($ending, $stringValue, $nestingPair[0], $nestingPair[1], false) && + $this->end() && + $this->count > $end + ) { + $end = $this->count; + $value = $stringValue; + } + } + } + + $this->seek($end); + $this->append([Type::T_CUSTOM_PROPERTY, $name, $value], $s); + + return true; + } + } + + // TODO: output an error here if nothing found according to sass spec + } + + $this->seek($s); + // property shortcut // captures most properties before having to parse a selector if ($this->keyword($name, false) && @@ -621,6 +853,10 @@ class Parser $this->valueList($value) && $this->end() ) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + // check for '!flag' $assignmentFlags = $this->stripAssignmentFlags($value); $this->append([Type::T_ASSIGN, $name, $value, $assignmentFlags], $s); @@ -636,9 +872,20 @@ class Parser } // opening css block - if ($this->selectors($selectors) && $this->matchChar('{')) { + if ($this->selectors($selectors) && $this->matchChar('{', false)) { + if ($this->cssOnly) { + if (! empty($this->env->parent)) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + } + $this->pushBlock($selectors, $s); + if ($this->eatWhiteDefault) { + $this->whitespace(); + $this->append(null); // collect comments at the beginning if needed + } + return true; } @@ -649,13 +896,23 @@ class Parser $foundSomething = false; if ($this->valueList($value)) { + if (empty($this->env->parent)) { + $this->throwParseError('expected "{"'); + } + $this->append([Type::T_ASSIGN, $name, $value], $s); $foundSomething = true; } - if ($this->matchChar('{')) { + if ($this->matchChar('{', false)) { + if ($this->cssOnly) { + $this->throwParseError("SCSS syntax not allowed in CSS file"); + } + $propBlock = $this->pushSpecialBlock(Type::T_NESTED_PROPERTY, $s); $propBlock->prefix = $name; + $propBlock->hasValue = $foundSomething; + $foundSomething = true; } elseif ($foundSomething) { $foundSomething = $this->end(); @@ -669,9 +926,15 @@ class Parser $this->seek($s); // closing a block - if ($this->matchChar('}')) { + if ($this->matchChar('}', false)) { $block = $this->popBlock(); + if (! isset($block->type) || $block->type !== Type::T_IF) { + if ($this->env->parent) { + $this->append(null); // collect comments before next statement if needed + } + } + if (isset($block->type) && $block->type === Type::T_INCLUDE) { $include = $block->child; unset($block->child); @@ -682,6 +945,15 @@ class Parser $this->append([$type, $block], $s); } + // collect comments just after the block closing if needed + if ($this->eatWhiteDefault) { + $this->whitespace(); + + if ($this->env->comments) { + $this->append(null); + } + } + return true; } @@ -701,7 +973,7 @@ class Parser * @param array $selectors * @param integer $pos * - * @return \Leafo\ScssPhp\Block + * @return \ScssPhp\ScssPhp\Block */ protected function pushBlock($selectors, $pos = 0) { @@ -729,6 +1001,15 @@ class Parser $this->env = $b; + // collect comments at the beginning of a block if needed + if ($this->eatWhiteDefault) { + $this->whitespace(); + + if ($this->env->comments) { + $this->append(null); + } + } + return $b; } @@ -738,7 +1019,7 @@ class Parser * @param string $type * @param integer $pos * - * @return \Leafo\ScssPhp\Block + * @return \ScssPhp\ScssPhp\Block */ protected function pushSpecialBlock($type, $pos) { @@ -751,12 +1032,19 @@ class Parser /** * Pop scope and return last block * - * @return \Leafo\ScssPhp\Block + * @return \ScssPhp\ScssPhp\Block * * @throws \Exception */ protected function popBlock() { + + // collect comments ending just before of a block closing + if ($this->env->comments) { + $this->append(null); + } + + // pop the block $block = $this->env; if (empty($block->parent)) { @@ -769,13 +1057,8 @@ class Parser } $this->env = $block->parent; - unset($block->parent); - $comments = $block->comments; - if ($comments) { - $this->env->comments = $comments; - unset($block->comments); - } + unset($block->parent); return $block; } @@ -805,8 +1088,6 @@ class Parser * Seek to position in input stream (or return current position in input stream) * * @param integer $where - * - * @return integer */ protected function seek($where) { @@ -827,7 +1108,7 @@ class Parser { $token = null; - $end = strlen($this->buffer); + $end = \strlen($this->buffer); // look for either ending delim, escape, or string interpolation foreach (['#{', '\\', $delim] as $lookahead) { @@ -849,7 +1130,7 @@ class Parser $match, $token ]; - $this->count = $end + strlen($token); + $this->count = $end + \strlen($token); return true; } @@ -865,14 +1146,13 @@ class Parser */ protected function match($regex, &$out, $eatWhitespace = null) { - $r = '/' . $regex . '/' . $this->patternModifiers; if (! preg_match($r, $this->buffer, $out, null, $this->count)) { return false; } - $this->count += strlen($out[0]); + $this->count += \strlen($out[0]); if (! isset($eatWhitespace)) { $eatWhitespace = $this->eatWhiteDefault; @@ -885,7 +1165,6 @@ class Parser return true; } - /** * Match a single string * @@ -896,7 +1175,6 @@ class Parser */ protected function matchChar($char, $eatWhitespace = null) { - if (! isset($this->buffer[$this->count]) || $this->buffer[$this->count] !== $char) { return false; } @@ -910,10 +1188,10 @@ class Parser if ($eatWhitespace) { $this->whitespace(); } + return true; } - /** * Match literal string * @@ -925,7 +1203,6 @@ class Parser */ protected function literal($what, $len, $eatWhitespace = null) { - if (strcasecmp(substr($this->buffer, $this->count, $len), $what) !== 0) { return false; } @@ -939,10 +1216,10 @@ class Parser if ($eatWhitespace) { $this->whitespace(); } + return true; } - /** * Match some whitespace * @@ -954,12 +1231,59 @@ class Parser while (preg_match(static::$whitePattern, $this->buffer, $m, null, $this->count)) { if (isset($m[1]) && empty($this->commentsSeen[$this->count])) { - $this->appendComment([Type::T_COMMENT, $m[1]]); + // comment that are kept in the output CSS + $comment = []; + $startCommentCount = $this->count; + $endCommentCount = $this->count + \strlen($m[1]); + + // find interpolations in comment + $p = strpos($this->buffer, '#{', $this->count); + + while ($p !== false && $p < $endCommentCount) { + $c = substr($this->buffer, $this->count, $p - $this->count); + $comment[] = $c; + $this->count = $p; + $out = null; + + if ($this->interpolation($out)) { + // keep right spaces in the following string part + if ($out[3]) { + while ($this->buffer[$this->count-1] !== '}') { + $this->count--; + } + + $out[3] = ''; + } - $this->commentsSeen[$this->count] = true; + $comment[] = [Type::T_COMMENT, substr($this->buffer, $p, $this->count - $p), $out]; + } else { + $comment[] = substr($this->buffer, $this->count, 2); + + $this->count += 2; + } + + $p = strpos($this->buffer, '#{', $this->count); + } + + // remaining part + $c = substr($this->buffer, $this->count, $endCommentCount - $this->count); + + if (! $comment) { + // single part static comment + $this->appendComment([Type::T_COMMENT, $c]); + } else { + $comment[] = $c; + $staticComment = substr($this->buffer, $startCommentCount, $endCommentCount - $startCommentCount); + $this->appendComment([Type::T_COMMENT, $staticComment, [Type::T_STRING, '', $comment]]); + } + + $this->commentsSeen[$startCommentCount] = true; + $this->count = $endCommentCount; + } else { + // comment that are ignored and not kept in the output css + $this->count += \strlen($m[0]); } - $this->count += strlen($m[0]); $gotWhite = true; } @@ -973,9 +1297,28 @@ class Parser */ protected function appendComment($comment) { - $comment[1] = substr(preg_replace(['/^\s+/m', '/^(.)/m'], ['', ' \1'], $comment[1]), 1); + if (! $this->discardComments) { + if ($comment[0] === Type::T_COMMENT) { + if (\is_string($comment[1])) { + $comment[1] = substr(preg_replace(['/^\s+/m', '/^(.)/m'], ['', ' \1'], $comment[1]), 1); + } + + if (isset($comment[2]) and \is_array($comment[2]) and $comment[2][0] === Type::T_STRING) { + foreach ($comment[2][2] as $k => $v) { + if (\is_string($v)) { + $p = strpos($v, "\n"); + + if ($p !== false) { + $comment[2][2][$k] = substr($v, 0, $p + 1) + . preg_replace(['/^\s+/m', '/^(.)/m'], ['', ' \1'], substr($v, $p+1)); + } + } + } + } + } - $this->env->comments[] = $comment; + $this->env->comments[] = $comment; + } } /** @@ -986,15 +1329,17 @@ class Parser */ protected function append($statement, $pos = null) { - if ($pos !== null) { - list($line, $column) = $this->getSourcePosition($pos); + if (! \is_null($statement)) { + if (! \is_null($pos)) { + list($line, $column) = $this->getSourcePosition($pos); - $statement[static::SOURCE_LINE] = $line; - $statement[static::SOURCE_COLUMN] = $column; - $statement[static::SOURCE_INDEX] = $this->sourceIndex; - } + $statement[static::SOURCE_LINE] = $line; + $statement[static::SOURCE_COLUMN] = $column; + $statement[static::SOURCE_INDEX] = $this->sourceIndex; + } - $this->env->children[] = $statement; + $this->env->children[] = $statement; + } $comments = $this->env->comments; @@ -1011,7 +1356,7 @@ class Parser */ protected function last() { - $i = count($this->env->children) - 1; + $i = \count($this->env->children) - 1; if (isset($this->env->children[$i])) { return $this->env->children[$i]; @@ -1058,7 +1403,7 @@ class Parser $media = [Type::T_LIST, '', []]; foreach ((array) $mediaType as $type) { - if (is_array($type)) { + if (\is_array($type)) { $media[2][] = $type; } else { $media[2][] = [Type::T_KEYWORD, $type]; @@ -1072,7 +1417,7 @@ class Parser if (empty($parts) || $this->literal('and', 3)) { $this->genericList($expressions, 'mediaExpression', 'and', false); - if (is_array($expressions)) { + if (\is_array($expressions)) { $parts = array_merge($parts, $expressions[2]); } } @@ -1082,6 +1427,131 @@ class Parser return true; } + /** + * Parse supports query + * + * @param array $out + * + * @return boolean + */ + protected function supportsQuery(&$out) + { + $expressions = null; + $parts = []; + + $s = $this->count; + + $not = false; + + if (($this->literal('not', 3) && ($not = true) || true) && + $this->matchChar('(') && + ($this->expression($property)) && + $this->literal(': ', 2) && + $this->valueList($value) && + $this->matchChar(')') + ) { + $support = [Type::T_STRING, '', [[Type::T_KEYWORD, ($not ? 'not ' : '') . '(']]]; + $support[2][] = $property; + $support[2][] = [Type::T_KEYWORD, ': ']; + $support[2][] = $value; + $support[2][] = [Type::T_KEYWORD, ')']; + + $parts[] = $support; + $s = $this->count; + } else { + $this->seek($s); + } + + if ($this->matchChar('(') && + $this->supportsQuery($subQuery) && + $this->matchChar(')') + ) { + $parts[] = [Type::T_STRING, '', [[Type::T_KEYWORD, '('], $subQuery, [Type::T_KEYWORD, ')']]]; + $s = $this->count; + } else { + $this->seek($s); + } + + if ($this->literal('not', 3) && + $this->supportsQuery($subQuery) + ) { + $parts[] = [Type::T_STRING, '', [[Type::T_KEYWORD, 'not '], $subQuery]]; + $s = $this->count; + } else { + $this->seek($s); + } + + if ($this->literal('selector(', 9) && + $this->selector($selector) && + $this->matchChar(')') + ) { + $support = [Type::T_STRING, '', [[Type::T_KEYWORD, 'selector(']]]; + + $selectorList = [Type::T_LIST, '', []]; + + foreach ($selector as $sc) { + $compound = [Type::T_STRING, '', []]; + + foreach ($sc as $scp) { + if (\is_array($scp)) { + $compound[2][] = $scp; + } else { + $compound[2][] = [Type::T_KEYWORD, $scp]; + } + } + + $selectorList[2][] = $compound; + } + + $support[2][] = $selectorList; + $support[2][] = [Type::T_KEYWORD, ')']; + $parts[] = $support; + $s = $this->count; + } else { + $this->seek($s); + } + + if ($this->variable($var) or $this->interpolation($var)) { + $parts[] = $var; + $s = $this->count; + } else { + $this->seek($s); + } + + if ($this->literal('and', 3) && + $this->genericList($expressions, 'supportsQuery', ' and', false)) { + array_unshift($expressions[2], [Type::T_STRING, '', $parts]); + + $parts = [$expressions]; + $s = $this->count; + } else { + $this->seek($s); + } + + if ($this->literal('or', 2) && + $this->genericList($expressions, 'supportsQuery', ' or', false)) { + array_unshift($expressions[2], [Type::T_STRING, '', $parts]); + + $parts = [$expressions]; + $s = $this->count; + } else { + $this->seek($s); + } + + if (\count($parts)) { + if ($this->eatWhiteDefault) { + $this->whitespace(); + } + + $out = [Type::T_STRING, '', $parts]; + + return true; + } + + return false; + } + + /** * Parse media expression * @@ -1146,6 +1616,7 @@ class Parser if (! $this->variable($keyword) || ! $this->matchChar(':')) { $this->seek($s); + $keyword = null; } @@ -1165,16 +1636,78 @@ class Parser return false; } + /** + * Parse directive value list that considers $vars as keyword + * + * @param array $out + * @param boolean|string $endChar + * + * @return boolean + */ + protected function directiveValue(&$out, $endChar = false) + { + $s = $this->count; + + if ($this->variable($out)) { + if ($endChar && $this->matchChar($endChar, false)) { + return true; + } + + if (! $endChar && $this->end()) { + return true; + } + } + + $this->seek($s); + + if ($endChar and $this->openString($endChar, $out)) { + if ($this->matchChar($endChar, false)) { + return true; + } + } + + $this->seek($s); + + $allowVars = $this->allowVars; + $this->allowVars = false; + + $res = $this->genericList($out, 'spaceList', ','); + $this->allowVars = $allowVars; + + if ($res) { + if ($endChar && $this->matchChar($endChar, false)) { + return true; + } + + if (! $endChar && $this->end()) { + return true; + } + } + + $this->seek($s); + + if ($endChar && $this->matchChar($endChar, false)) { + return true; + } + + return false; + } + /** * Parse comma separated value list * - * @param string $out + * @param array $out * * @return boolean */ protected function valueList(&$out) { - return $this->genericList($out, 'spaceList', ','); + $discardComments = $this->discardComments; + $this->discardComments = true; + $res = $this->genericList($out, 'spaceList', ','); + $this->discardComments = $discardComments; + + return $res; } /** @@ -1201,26 +1734,34 @@ class Parser */ protected function genericList(&$out, $parseItem, $delim = '', $flatten = true) { - $s = $this->count; + $s = $this->count; $items = []; $value = null; + while ($this->$parseItem($value)) { + $trailing_delim = false; $items[] = $value; if ($delim) { - if (! $this->literal($delim, strlen($delim))) { + if (! $this->literal($delim, \strlen($delim))) { break; } + + $trailing_delim = true; } } - if (!$items) { + if (! $items) { $this->seek($s); return false; } - if ($flatten && count($items) === 1) { + if ($trailing_delim) { + $items[] = [Type::T_NULL]; + } + + if ($flatten && \count($items) === 1) { $out = $items[0]; } else { $out = [Type::T_LIST, $delim, $items]; @@ -1232,37 +1773,120 @@ class Parser /** * Parse expression * - * @param array $out + * @param array $out + * @param boolean $listOnly + * @param boolean $lookForExp * * @return boolean */ - protected function expression(&$out) + protected function expression(&$out, $listOnly = false, $lookForExp = true) { $s = $this->count; + $discard = $this->discardComments; + $this->discardComments = true; + $allowedTypes = ($listOnly ? [Type::T_LIST] : [Type::T_LIST, Type::T_MAP]); if ($this->matchChar('(')) { - if ($this->matchChar(')')) { - $out = [Type::T_LIST, '', []]; + if ($this->enclosedExpression($lhs, $s, ")", $allowedTypes)) { + if ($lookForExp) { + $out = $this->expHelper($lhs, 0); + } else { + $out = $lhs; + } - return true; - } + $this->discardComments = $discard; - if ($this->valueList($out) && $this->matchChar(')') && $out[0] === Type::T_LIST) { return true; } $this->seek($s); + } + + if (\in_array(Type::T_LIST, $allowedTypes) && $this->matchChar('[')) { + if ($this->enclosedExpression($lhs, $s, "]", [Type::T_LIST])) { + if ($lookForExp) { + $out = $this->expHelper($lhs, 0); + } else { + $out = $lhs; + } + + $this->discardComments = $discard; - if ($this->map($out)) { return true; } $this->seek($s); } - if ($this->value($lhs)) { - $out = $this->expHelper($lhs, 0); + if (! $listOnly && $this->value($lhs)) { + if ($lookForExp) { + $out = $this->expHelper($lhs, 0); + } else { + $out = $lhs; + } + + $this->discardComments = $discard; + + return true; + } + + $this->discardComments = $discard; + + return false; + } + + /** + * Parse expression specifically checking for lists in parenthesis or brackets + * + * @param array $out + * @param integer $s + * @param string $closingParen + * @param array $allowedTypes + * + * @return boolean + */ + protected function enclosedExpression(&$out, $s, $closingParen = ")", $allowedTypes = [Type::T_LIST, Type::T_MAP]) + { + if ($this->matchChar($closingParen) && \in_array(Type::T_LIST, $allowedTypes)) { + $out = [Type::T_LIST, '', []]; + + switch ($closingParen) { + case ")": + $out['enclosing'] = 'parent'; // parenthesis list + break; + + case "]": + $out['enclosing'] = 'bracket'; // bracketed list + break; + } + + return true; + } + + if ($this->valueList($out) && $this->matchChar($closingParen) && + \in_array($out[0], [Type::T_LIST, Type::T_KEYWORD]) && + \in_array(Type::T_LIST, $allowedTypes) + ) { + if ($out[0] !== Type::T_LIST || ! empty($out['enclosing'])) { + $out = [Type::T_LIST, '', [$out]]; + } + + switch ($closingParen) { + case ")": + $out['enclosing'] = 'parent'; // parenthesis list + break; + + case "]": + $out['enclosing'] = 'bracket'; // bracketed list + break; + } + + return true; + } + + $this->seek($s); + if (\in_array(Type::T_MAP, $allowedTypes) && $this->map($out)) { return true; } @@ -1300,7 +1924,7 @@ class Parser break; } - if (! $this->value($rhs)) { + if (! $this->value($rhs) && ! $this->expression($rhs, true, false)) { break; } @@ -1329,7 +1953,6 @@ class Parser */ protected function value(&$out) { - if (! isset($this->buffer[$this->count])) { return false; } @@ -1338,7 +1961,11 @@ class Parser $char = $this->buffer[$this->count]; if ($this->literal('url(', 4) && $this->match('data:([a-z]+)\/([a-z0-9.+-]+);base64,', $m, false)) { - $len = strspn($this->buffer, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwyxz0123456789+/=', $this->count); + $len = strspn( + $this->buffer, + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwyxz0123456789+/=', + $this->count + ); $this->count += $len; @@ -1352,10 +1979,24 @@ class Parser $this->seek($s); + if ($this->literal('url(', 4, false) && $this->match('\s*(\/\/[^\s\)]+)\s*', $m)) { + $content = 'url(' . $m[1]; + + if ($this->matchChar(')')) { + $content .= ')'; + $out = [Type::T_KEYWORD, $content]; + + return true; + } + } + + $this->seek($s); + // not if ($char === 'n' && $this->literal('not', 3, false)) { if ($this->whitespace() && $this->value($inner)) { $out = [Type::T_UNARY, 'not', $inner, $this->inParens]; + return true; } @@ -1363,6 +2004,7 @@ class Parser if ($this->parenValue($inner)) { $out = [Type::T_UNARY, 'not', $inner, $this->inParens]; + return true; } @@ -1372,23 +2014,54 @@ class Parser // addition if ($char === '+') { $this->count++; + + $follow_white = $this->whitespace(); + if ($this->value($inner)) { $out = [Type::T_UNARY, '+', $inner, $this->inParens]; + return true; } - $this->count--; + + if ($follow_white) { + $out = [Type::T_KEYWORD, $char]; + return true; + } + + $this->seek($s); + return false; } - // negation if ($char === '-') { + if ($this->customProperty($out)) { + return true; + } + $this->count++; + + $follow_white = $this->whitespace(); + if ($this->variable($inner) || $this->unit($inner) || $this->parenValue($inner)) { $out = [Type::T_UNARY, '-', $inner, $this->inParens]; + return true; } - $this->count--; + + if ($this->keyword($inner) && ! $this->func($inner, $out)) { + $out = [Type::T_UNARY, '-', $inner, $this->inParens]; + + return true; + } + + if ($follow_white) { + $out = [Type::T_KEYWORD, $char]; + + return true; + } + + $this->seek($s); } // paren @@ -1400,6 +2073,22 @@ class Parser if ($this->interpolation($out) || $this->color($out)) { return true; } + + $this->count++; + + if ($this->keyword($keyword)) { + $out = [Type::T_KEYWORD, "#" . $keyword]; + + return true; + } + + $this->count--; + } + + if ($this->matchChar('&', true)) { + $out = [Type::T_SELF]; + + return true; } if ($char === '$' && $this->variable($out)) { @@ -1414,11 +2103,17 @@ class Parser return true; } - if ($this->unit($out)) { return true; } + // unicode range with wildcards + if ($this->literal('U+', 2) && $this->match('([0-9A-F]+\?*)(-([0-9A-F]+))?', $m, false)) { + $out = [Type::T_KEYWORD, 'U+' . $m[0]]; + + return true; + } + if ($this->keyword($keyword, false)) { if ($this->func($keyword, $out)) { return true; @@ -1509,7 +2204,7 @@ class Parser * Parse function call * * @param string $name - * @param array $out + * @param array $func * * @return boolean */ @@ -1587,7 +2282,7 @@ class Parser $args[] = [Type::T_STRING, '', [', ']]; } - if (! $this->matchChar(')') || !$args) { + if (! $this->matchChar(')') || ! $args) { $this->seek($s); return false; @@ -1633,6 +2328,7 @@ class Parser } $arg[2] = true; + $this->seek($sss); } else { $this->seek($ss); @@ -1685,7 +2381,7 @@ class Parser } } - if (!$keys || ! $this->matchChar(')')) { + if (! $keys || ! $this->matchChar(')')) { $this->seek($s); return false; @@ -1705,53 +2401,18 @@ class Parser */ protected function color(&$out) { - $color = [Type::T_COLOR]; - $s = $this->count; + $s = $this->count; if ($this->match('(#([0-9a-f]+))', $m)) { - $nofValues = strlen($m[2]); - $hasAlpha = $nofValues === 4 || $nofValues === 8; - $channels = $hasAlpha ? [4, 3, 2, 1] : [3, 2, 1]; - - switch ($nofValues) { - case 3: - case 4: - $num = hexdec($m[2]); - - foreach ($channels as $i) { - $t = $num & 0xf; - $color[$i] = $t << 4 | $t; - $num >>= 4; - } - break; - - case 6: - case 8: - $num = hexdec($m[2]); + if (\in_array(\strlen($m[2]), [3,4,6,8])) { + $out = [Type::T_KEYWORD, $m[0]]; - foreach ($channels as $i) { - $color[$i] = $num & 0xff; - $num >>= 8; - } - break; - - default: - $this->seek($s); - - return false; - } - - if ($hasAlpha) { - if ($color[4] === 255) { - $color[4] = 1; // fully opaque - } else { - $color[4] = round($color[4] / 255, 3); - } + return true; } - $out = $color; + $this->seek($s); - return true; + return false; } return false; @@ -1760,16 +2421,24 @@ class Parser /** * Parse number with unit * - * @param array $out + * @param array $unit * * @return boolean */ protected function unit(&$unit) { - if ($this->match('([0-9]*(\.)?[0-9]+)([%a-zA-Z]+)?', $m)) { - $unit = new Node\Number($m[1], empty($m[3]) ? '' : $m[3]); + $s = $this->count; - return true; + if ($this->match('([0-9]*(\.)?[0-9]+)([%a-zA-Z]+)?', $m, false)) { + if (\strlen($this->buffer) === $this->count || ! ctype_digit($this->buffer[$this->count])) { + $this->whitespace(); + + $unit = new Node\Number($m[1], empty($m[3]) ? '' : $m[3]); + + return true; + } + + $this->seek($s); } return false; @@ -1805,13 +2474,13 @@ class Parser } if ($m[2] === '#{') { - $this->count -= strlen($m[2]); + $this->count -= \strlen($m[2]); if ($this->interpolation($inter, false)) { $content[] = $inter; $hasInterpolation = true; } else { - $this->count += strlen($m[2]); + $this->count += \strlen($m[2]); $content[] = '#{'; // ignore it } } elseif ($m[2] === '\\') { @@ -1821,18 +2490,24 @@ class Parser $content[] = $m[2] . "'"; } elseif ($this->literal("\\", 1, false)) { $content[] = $m[2] . "\\"; + } elseif ($this->literal("\r\n", 2, false) || + $this->matchChar("\r", false) || + $this->matchChar("\n", false) || + $this->matchChar("\f", false) + ) { + // this is a continuation escaping, to be ignored } else { $content[] = $m[2]; } } else { - $this->count -= strlen($delim); + $this->count -= \strlen($delim); break; // delim } } $this->eatWhiteDefault = $oldWhite; - if ($this->literal($delim, strlen($delim))) { + if ($this->literal($delim, \strlen($delim))) { if ($hasInterpolation) { $delim = '"'; @@ -1860,11 +2535,12 @@ class Parser /** * Parse keyword or interpolation * - * @param array $out + * @param array $out + * @param boolean $restricted * * @return boolean */ - protected function mixedKeyword(&$out) + protected function mixedKeyword(&$out, $restricted = false) { $parts = []; @@ -1872,7 +2548,7 @@ class Parser $this->eatWhiteDefault = false; for (;;) { - if ($this->keyword($key)) { + if ($restricted ? $this->restrictedKeyword($key) : $this->keyword($key)) { $parts[] = $key; continue; } @@ -1887,7 +2563,7 @@ class Parser $this->eatWhiteDefault = $oldWhite; - if (!$parts) { + if (! $parts) { return false; } @@ -1903,18 +2579,27 @@ class Parser /** * Parse an unbounded string stopped by $end * - * @param string $end - * @param array $out - * @param string $nestingOpen + * @param string $end + * @param array $out + * @param string $nestingOpen + * @param string $nestingClose + * @param boolean $trimEnd * * @return boolean */ - protected function openString($end, &$out, $nestingOpen = null) + protected function openString($end, &$out, $nestingOpen = null, $nestingClose = null, $trimEnd = true) { $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; - $patt = '(.*?)([\'"]|#\{|' . $this->pregQuote($end) . '|' . static::$commentPattern . ')'; + if ($nestingOpen && ! $nestingClose) { + $nestingClose = $end; + } + + $patt = '(.*?)([\'"]|#\{|' + . $this->pregQuote($end) . '|' + . (($nestingClose && $nestingClose !== $end) ? $this->pregQuote($nestingClose) . '|' : '') + . static::$commentPattern . ')'; $nestingLevel = 0; @@ -1931,12 +2616,16 @@ class Parser $tok = $m[2]; - $this->count-= strlen($tok); + $this->count-= \strlen($tok); - if ($tok === $end && ! $nestingLevel--) { + if ($tok === $end && ! $nestingLevel) { break; } + if ($tok === $nestingClose) { + $nestingLevel--; + } + if (($tok === "'" || $tok === '"') && $this->string($str)) { $content[] = $str; continue; @@ -1948,18 +2637,18 @@ class Parser } $content[] = $tok; - $this->count+= strlen($tok); + $this->count+= \strlen($tok); } $this->eatWhiteDefault = $oldWhite; - if (!$content) { + if (! $content || $tok !== $end) { return false; } // trim the end - if (is_string(end($content))) { - $content[count($content) - 1] = rtrim(end($content)); + if ($trimEnd && \is_string(end($content))) { + $content[\count($content) - 1] = rtrim(end($content)); } $out = [Type::T_STRING, '', $content]; @@ -1970,42 +2659,36 @@ class Parser /** * Parser interpolation * - * @param array $out - * @param boolean $lookWhite save information about whitespace before and after + * @param string|array $out + * @param boolean $lookWhite save information about whitespace before and after * * @return boolean */ protected function interpolation(&$out, $lookWhite = true) { $oldWhite = $this->eatWhiteDefault; + $allowVars = $this->allowVars; + $this->allowVars = true; $this->eatWhiteDefault = true; $s = $this->count; if ($this->literal('#{', 2) && $this->valueList($value) && $this->matchChar('}', false)) { - if ($lookWhite) { - $left = preg_match('/\s/', $this->buffer[$s - 1]) ? ' ' : ''; - $right = preg_match('/\s/', $this->buffer[$this->count]) ? ' ': ''; + if ($value === [Type::T_SELF]) { + $out = $value; } else { - $left = $right = false; - } - - $out = [Type::T_INTERPOLATE, $value, $left, $right]; - $this->eatWhiteDefault = $oldWhite; + if ($lookWhite) { + $left = ($s > 0 && preg_match('/\s/', $this->buffer[$s - 1])) ? ' ' : ''; + $right = preg_match('/\s/', $this->buffer[$this->count]) ? ' ': ''; + } else { + $left = $right = false; + } - if ($this->eatWhiteDefault) { - $this->whitespace(); + $out = [Type::T_INTERPOLATE, $value, $left, $right]; } - return true; - } - - $this->seek($s); - - if ($this->literal('#{', 2) && $this->selectorSingle($sel) && $this->matchChar('}', false)) { - $out = $sel[0]; - $this->eatWhiteDefault = $oldWhite; + $this->allowVars = $allowVars; if ($this->eatWhiteDefault) { $this->whitespace(); @@ -2015,7 +2698,9 @@ class Parser } $this->seek($s); + $this->eatWhiteDefault = $oldWhite; + $this->allowVars = $allowVars; return false; } @@ -2045,7 +2730,7 @@ class Parser continue; } - if (!$parts && $this->match('[:.#]', $m, false)) { + if (! $parts && $this->match('[:.#]', $m, false)) { // css hacks $parts[] = $m[0]; continue; @@ -2056,21 +2741,15 @@ class Parser $this->eatWhiteDefault = $oldWhite; - if (!$parts) { + if (! $parts) { return false; } // match comment hack - if (preg_match( - static::$whitePattern, - $this->buffer, - $m, - null, - $this->count - )) { + if (preg_match(static::$whitePattern, $this->buffer, $m, null, $this->count)) { if (! empty($m[0])) { $parts[] = $m[0]; - $this->count += strlen($m[0]); + $this->count += \strlen($m[0]); } } @@ -2082,30 +2761,85 @@ class Parser } /** - * Parse comma separated selector list + * Parse custom property name (as an array of parts or a string) * * @param array $out * * @return boolean */ - protected function selectors(&$out) + protected function customProperty(&$out) + { + $s = $this->count; + + if (! $this->literal('--', 2, false)) { + return false; + } + + $parts = ['--']; + + $oldWhite = $this->eatWhiteDefault; + $this->eatWhiteDefault = false; + + for (;;) { + if ($this->interpolation($inter)) { + $parts[] = $inter; + continue; + } + + if ($this->variable($var)) { + $parts[] = $var; + continue; + } + + if ($this->keyword($text)) { + $parts[] = $text; + continue; + } + + break; + } + + $this->eatWhiteDefault = $oldWhite; + + if (\count($parts) == 1) { + $this->seek($s); + + return false; + } + + $this->whitespace(); // get any extra whitespace + + $out = [Type::T_STRING, '', $parts]; + + return true; + } + + /** + * Parse comma separated selector list + * + * @param array $out + * @param boolean $subSelector + * + * @return boolean + */ + protected function selectors(&$out, $subSelector = false) { $s = $this->count; $selectors = []; - while ($this->selector($sel)) { + while ($this->selector($sel, $subSelector)) { $selectors[] = $sel; - if (! $this->matchChar(',')) { + if (! $this->matchChar(',', true)) { break; } - while ($this->matchChar(',')) { + while ($this->matchChar(',', true)) { ; // ignore extra } } - if (!$selectors) { + if (! $selectors) { $this->seek($s); return false; @@ -2119,27 +2853,36 @@ class Parser /** * Parse whitespace separated selector list * - * @param array $out + * @param array $out + * @param boolean $subSelector * * @return boolean */ - protected function selector(&$out) + protected function selector(&$out, $subSelector = false) { $selector = []; for (;;) { - if ($this->match('[>+~]+', $m)) { - $selector[] = [$m[0]]; - continue; + $s = $this->count; + + if ($this->match('[>+~]+', $m, true)) { + if ($subSelector && \is_string($subSelector) && strpos($subSelector, 'nth-') === 0 && + $m[0] === '+' && $this->match("(\d+|n\b)", $counter) + ) { + $this->seek($s); + } else { + $selector[] = [$m[0]]; + continue; + } } - if ($this->selectorSingle($part)) { + if ($this->selectorSingle($part, $subSelector)) { $selector[] = $part; $this->match('\s+', $m); continue; } - if ($this->match('\/[^\/]+\/', $m)) { + if ($this->match('\/[^\/]+\/', $m, true)) { $selector[] = [$m[0]]; continue; } @@ -2147,11 +2890,12 @@ class Parser break; } - if (!$selector) { + if (! $selector) { return false; } $out = $selector; + return true; } @@ -2162,11 +2906,12 @@ class Parser * div[yes=no]#something.hello.world:nth-child(-2n+1)%placeholder * }} * - * @param array $out + * @param array $out + * @param boolean $subSelector * * @return boolean */ - protected function selectorSingle(&$out) + protected function selectorSingle(&$out, $subSelector = false) { $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; @@ -2190,6 +2935,10 @@ class Parser break; } + // parsing a sub selector in () stop with the closing ) + if ($subSelector && $char === ')') { + break; + } //self switch ($char) { @@ -2197,30 +2946,32 @@ class Parser $parts[] = Compiler::$selfSelector; $this->count++; continue 2; + case '.': $parts[] = '.'; $this->count++; continue 2; + case '|': $parts[] = '|'; $this->count++; continue 2; } - if ($char === '\\' && $this->match('\\\\\S', $m)) { $parts[] = $m[0]; continue; } - if ($char === '%') { $this->count++; + if ($this->placeholder($placeholder)) { $parts[] = '%'; $parts[] = $placeholder; continue; } + break; } @@ -2235,7 +2986,6 @@ class Parser continue; } - // a pseudo selector if ($char === ':') { if ($this->buffer[$this->count + 1] === ':') { @@ -2245,7 +2995,8 @@ class Parser $this->count++; $part = ':'; } - if ($this->mixedKeyword($nameParts)) { + + if ($this->mixedKeyword($nameParts, true)) { $parts[] = $part; foreach ($nameParts as $sub) { @@ -2254,34 +3005,77 @@ class Parser $ss = $this->count; - if ($this->matchChar('(') && - ($this->openString(')', $str, '(') || true) && - $this->matchChar(')') + if ($nameParts === ['not'] || $nameParts === ['is'] || + $nameParts === ['has'] || $nameParts === ['where'] || + $nameParts === ['slotted'] || + $nameParts === ['nth-child'] || $nameParts == ['nth-last-child'] || + $nameParts === ['nth-of-type'] || $nameParts == ['nth-last-of-type'] ) { - $parts[] = '('; - - if (! empty($str)) { - $parts[] = $str; + if ($this->matchChar('(', true) && + ($this->selectors($subs, reset($nameParts)) || true) && + $this->matchChar(')') + ) { + $parts[] = '('; + + while ($sub = array_shift($subs)) { + while ($ps = array_shift($sub)) { + foreach ($ps as &$p) { + $parts[] = $p; + } + + if (\count($sub) && reset($sub)) { + $parts[] = ' '; + } + } + + if (\count($subs) && reset($subs)) { + $parts[] = ', '; + } + } + + $parts[] = ')'; + } else { + $this->seek($ss); } - - $parts[] = ')'; } else { - $this->seek($ss); + if ($this->matchChar('(') && + ($this->openString(')', $str, '(') || true) && + $this->matchChar(')') + ) { + $parts[] = '('; + + if (! empty($str)) { + $parts[] = $str; + } + + $parts[] = ')'; + } else { + $this->seek($ss); + } } continue; } } - $this->seek($s); + // 2n+1 + if ($subSelector && \is_string($subSelector) && strpos($subSelector, 'nth-') === 0) { + if ($this->match("(\s*(\+\s*|\-\s*)?(\d+|n|\d+n))+", $counter)) { + $parts[] = $counter[0]; + //$parts[] = str_replace(' ', '', $counter[0]); + continue; + } + } + + $this->seek($s); // attribute selector if ($char === '[' && - $this->matchChar('[') && - ($this->openString(']', $str, '[') || true) && - $this->matchChar(']') + $this->matchChar('[') && + ($this->openString(']', $str, '[') || true) && + $this->matchChar(']') ) { $parts[] = '['; @@ -2290,33 +3084,28 @@ class Parser } $parts[] = ']'; - continue; } $this->seek($s); - // for keyframes if ($this->unit($unit)) { $parts[] = $unit; continue; } - if ($this->keyword($name)) { + if ($this->restrictedKeyword($name)) { $parts[] = $name; continue; } - - - break; } $this->eatWhiteDefault = $oldWhite; - if (!$parts) { + if (! $parts) { return false; } @@ -2337,7 +3126,11 @@ class Parser $s = $this->count; if ($this->matchChar('$', false) && $this->keyword($name)) { - $out = [Type::T_VARIABLE, $name]; + if ($this->allowVars) { + $out = [Type::T_VARIABLE, $name]; + } else { + $out = [Type::T_KEYWORD, '$' . $name]; + } return true; } @@ -2359,7 +3152,7 @@ class Parser { if ($this->match( $this->utf8 - ? '(([\pL\w_\-\*!"\']|[\\\\].)([\pL\w\-_"\']|[\\\\].)*)' + ? '(([\pL\w\x{00A0}-\x{10FFFF}_\-\*!"\']|[\\\\].)([\pL\w\x{00A0}-\x{10FFFF}\-_"\']|[\\\\].)*)' : '(([\w_\-\*!"\']|[\\\\].)([\w\-_"\']|[\\\\].)*)', $m, $eatWhitespace @@ -2372,10 +3165,31 @@ class Parser return false; } + /** + * Parse a keyword that should not start with a number + * + * @param string $word + * @param boolean $eatWhitespace + * + * @return boolean + */ + protected function restrictedKeyword(&$word, $eatWhitespace = null) + { + $s = $this->count; + + if ($this->keyword($word, $eatWhitespace) && (\ord($word[0]) > 57 || \ord($word[0]) < 48)) { + return true; + } + + $this->seek($s); + + return false; + } + /** * Parse a placeholder * - * @param string $placeholder + * @param string|array $placeholder * * @return boolean */ @@ -2383,8 +3197,8 @@ class Parser { if ($this->match( $this->utf8 - ? '([\pL\w\-_]+|#[{][$][\pL\w\-_]+[}])' - : '([\w\-_]+|#[{][$][\w\-_]+[}])', + ? '([\pL\w\-_]+)' + : '([\w\-_]+)', $m )) { $placeholder = $m[1]; @@ -2392,6 +3206,10 @@ class Parser return true; } + if ($this->interpolation($placeholder)) { + return true; + } + return false; } @@ -2424,7 +3242,7 @@ class Parser return true; } - if ($this->count === strlen($this->buffer) || $this->buffer[$this->count] === '}') { + if ($this->count === \strlen($this->buffer) || $this->buffer[$this->count] === '}') { // if there is end of file or a closing block next then we don't need a ; return true; } @@ -2443,18 +3261,15 @@ class Parser { $flags = []; - for ($token = &$value; $token[0] === Type::T_LIST && ($s = count($token[2])); $token = &$lastNode) { + for ($token = &$value; $token[0] === Type::T_LIST && ($s = \count($token[2])); $token = &$lastNode) { $lastNode = &$token[2][$s - 1]; - while ($lastNode[0] === Type::T_KEYWORD && in_array($lastNode[1], ['!default', '!global'])) { + while ($lastNode[0] === Type::T_KEYWORD && \in_array($lastNode[1], ['!default', '!global'])) { array_pop($token[2]); - $node = end($token[2]); - - $token = $this->flattenList($token); - - $flags[] = $lastNode[1]; - + $node = end($token[2]); + $token = $this->flattenList($token); + $flags[] = $lastNode[1]; $lastNode = $node; } } @@ -2472,12 +3287,11 @@ class Parser protected function stripOptionalFlag(&$selectors) { $optional = false; - $selector = end($selectors); - $part = end($selector); + $part = end($selector); if ($part === ['!optional']) { - array_pop($selectors[count($selectors) - 1]); + array_pop($selectors[\count($selectors) - 1]); $optional = true; } @@ -2494,55 +3308,13 @@ class Parser */ protected function flattenList($value) { - if ($value[0] === Type::T_LIST && count($value[2]) === 1) { + if ($value[0] === Type::T_LIST && \count($value[2]) === 1) { return $this->flattenList($value[2][0]); } return $value; } - /** - * @deprecated - * - * {@internal - * advance counter to next occurrence of $what - * $until - don't include $what in advance - * $allowNewline, if string, will be used as valid char set - * }} - */ - protected function to($what, &$out, $until = false, $allowNewline = false) - { - if (is_string($allowNewline)) { - $validChars = $allowNewline; - } else { - $validChars = $allowNewline ? '.' : "[^\n]"; - } - - if (! $this->match('(' . $validChars . '*?)' . $this->pregQuote($what), $m, ! $until)) { - return false; - } - - if ($until) { - $this->count -= strlen($what); // give back $what - } - - $out = $m[1]; - - return true; - } - - /** - * @deprecated - */ - protected function show() - { - if ($this->peek("(.*?)(\n|$)", $m, $this->count)) { - return $m[1]; - } - - return ''; - } - /** * Quote regular expression * @@ -2570,10 +3342,10 @@ class Parser $prev = $pos + 1; } - $this->sourcePositions[] = strlen($buffer); + $this->sourcePositions[] = \strlen($buffer); if (substr($buffer, -1) !== "\n") { - $this->sourcePositions[] = strlen($buffer) + 1; + $this->sourcePositions[] = \strlen($buffer) + 1; } } @@ -2582,12 +3354,12 @@ class Parser * * @param integer $pos * - * @return integer + * @return array */ private function getSourcePosition($pos) { $low = 0; - $high = count($this->sourcePositions); + $high = \count($this->sourcePositions); while ($low < $high) { $mid = (int) (($high + $low) / 2); @@ -2613,13 +3385,7 @@ class Parser */ private function saveEncoding() { - if (version_compare(PHP_VERSION, '7.2.0') >= 0) { - return; - } - - $iniDirective = 'mbstring' . '.func_overload'; // deprecated in PHP 7.2 - - if (ini_get($iniDirective) & 2) { + if (\extension_loaded('mbstring')) { $this->encoding = mb_internal_encoding(); mb_internal_encoding('iso-8859-1'); @@ -2631,7 +3397,7 @@ class Parser */ private function restoreEncoding() { - if ($this->encoding) { + if (\extension_loaded('mbstring') && $this->encoding) { mb_internal_encoding($this->encoding); } } diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/Base64.php similarity index 96% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/Base64.php index 54015bb916..ed2e1fc542 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/Base64.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2015 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\SourceMap; +namespace ScssPhp\ScssPhp\SourceMap; /** * Base 64 Encode/Decode diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQ.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/Base64VLQ.php similarity index 78% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQ.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/Base64VLQ.php index 6de3b5ee06..86e57847cd 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/Base64VLQ.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/Base64VLQ.php @@ -2,16 +2,16 @@ /** * SCSSPHP * - * @copyright 2012-2015 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\SourceMap; +namespace ScssPhp\ScssPhp\SourceMap; -use Leafo\ScssPhp\SourceMap\Base64; +use ScssPhp\ScssPhp\SourceMap\Base64; /** * Base 64 VLQ @@ -61,7 +61,9 @@ class Base64VLQ do { $digit = $vlq & self::VLQ_BASE_MASK; - $vlq >>= self::VLQ_BASE_SHIFT; + + //$vlq >>>= self::VLQ_BASE_SHIFT; // unsigned right shift + $vlq = (($vlq >> 1) & PHP_INT_MAX) >> (self::VLQ_BASE_SHIFT - 1); if ($vlq > 0) { $digit |= self::VLQ_CONTINUATION_BIT; @@ -130,8 +132,19 @@ class Base64VLQ private static function fromVLQSigned($value) { $negate = ($value & 1) === 1; - $value = $value >> 1; - return $negate ? -$value : $value; + //$value >>>= 1; // unsigned right shift + $value = ($value >> 1) & PHP_INT_MAX; + + if (! $negate) { + return $value; + } + + // We need to OR 0x80000000 here to ensure the 32nd bit (the sign bit) is + // always set for negative numbers. If `value` were 1, (meaning `negate` is + // true and all other bits were zeros), `value` would now be 0. -0 is just + // 0, and doesn't flip the 32nd bit as intended. All positive numbers will + // successfully flip the 32nd bit without issue, so it's a noop for them. + return -$value | 0x80000000; } } diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/SourceMapGenerator.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/SourceMapGenerator.php similarity index 85% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/SourceMapGenerator.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/SourceMapGenerator.php index 3c636a8872..1743326a83 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/SourceMap/SourceMapGenerator.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/SourceMap/SourceMapGenerator.php @@ -2,16 +2,16 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp\SourceMap; +namespace ScssPhp\ScssPhp\SourceMap; -use Leafo\ScssPhp\Exception\CompilerException; +use ScssPhp\ScssPhp\Exception\CompilerException; /** * Source Map Generator @@ -61,7 +61,7 @@ class SourceMapGenerator /** * The base64 VLQ encoder * - * @var \Leafo\ScssPhp\SourceMap\Base64VLQ + * @var \ScssPhp\ScssPhp\SourceMap\Base64VLQ */ protected $encoder; @@ -85,7 +85,7 @@ class SourceMapGenerator * @var array */ protected $sources = []; - protected $source_keys = []; + protected $sourceKeys = []; /** * @var array @@ -110,11 +110,11 @@ class SourceMapGenerator public function addMapping($generatedLine, $generatedColumn, $originalLine, $originalColumn, $sourceFile) { $this->mappings[] = [ - 'generated_line' => $generatedLine, + 'generated_line' => $generatedLine, 'generated_column' => $generatedColumn, - 'original_line' => $originalLine, - 'original_column' => $originalColumn, - 'source_file' => $sourceFile + 'original_line' => $originalLine, + 'original_column' => $originalColumn, + 'source_file' => $sourceFile ]; $this->sources[$sourceFile] = $sourceFile; @@ -123,20 +123,23 @@ class SourceMapGenerator /** * Saves the source map to a file * - * @param string $file The absolute path to a file * @param string $content The content to write * - * @throws \Leafo\ScssPhp\Exception\CompilerException If the file could not be saved + * @return string + * + * @throws \ScssPhp\ScssPhp\Exception\CompilerException If the file could not be saved */ public function saveMap($content) { $file = $this->options['sourceMapWriteTo']; - $dir = dirname($file); + $dir = \dirname($file); // directory does not exist if (! is_dir($dir)) { // FIXME: create the dir automatically? - throw new CompilerException(sprintf('The directory "%s" does not exist. Cannot save the source map.', $dir)); + throw new CompilerException( + sprintf('The directory "%s" does not exist. Cannot save the source map.', $dir) + ); } // FIXME: proper saving, with dir write check! @@ -180,8 +183,8 @@ class SourceMapGenerator // A list of original sources used by the 'mappings' entry. $sourceMap['sources'] = []; - foreach ($this->sources as $source_uri => $source_filename) { - $sourceMap['sources'][] = $this->normalizeFilename($source_filename); + foreach ($this->sources as $sourceUri => $sourceFilename) { + $sourceMap['sources'][] = $this->normalizeFilename($sourceFilename); } // A list of symbol names used by the 'mappings' entry. @@ -198,7 +201,7 @@ class SourceMapGenerator } // less.js compat fixes - if (count($sourceMap['sources']) && empty($sourceMap['sourceRoot'])) { + if (\count($sourceMap['sources']) && empty($sourceMap['sourceRoot'])) { unset($sourceMap['sourceRoot']); } @@ -232,11 +235,11 @@ class SourceMapGenerator */ public function generateMappings() { - if (! count($this->mappings)) { + if (! \count($this->mappings)) { return ''; } - $this->source_keys = array_flip(array_keys($this->sources)); + $this->sourceKeys = array_flip(array_keys($this->sources)); // group mappings by generated line number. $groupedMap = $groupedMapEncoded = []; @@ -246,9 +249,10 @@ class SourceMapGenerator } ksort($groupedMap); + $lastGeneratedLine = $lastOriginalIndex = $lastOriginalLine = $lastOriginalColumn = 0; - foreach ($groupedMap as $lineNumber => $line_map) { + foreach ($groupedMap as $lineNumber => $lineMap) { while (++$lastGeneratedLine < $lineNumber) { $groupedMapEncoded[] = ';'; } @@ -256,7 +260,7 @@ class SourceMapGenerator $lineMapEncoded = []; $lastGeneratedColumn = 0; - foreach ($line_map as $m) { + foreach ($lineMap as $m) { $mapEncoded = $this->encoder->encode($m['generated_column'] - $lastGeneratedColumn); $lastGeneratedColumn = $m['generated_column']; @@ -293,9 +297,16 @@ class SourceMapGenerator */ protected function findFileIndex($filename) { - return $this->source_keys[$filename]; + return $this->sourceKeys[$filename]; } + /** + * Normalize filename + * + * @param string $filename + * + * @return string + */ protected function normalizeFilename($filename) { $filename = $this->fixWindowsPath($filename); @@ -303,8 +314,8 @@ class SourceMapGenerator $basePath = $this->options['sourceMapBasepath']; // "Trim" the 'sourceMapBasepath' from the output filename. - if (strlen($basePath) && strpos($filename, $basePath) === 0) { - $filename = substr($filename, strlen($basePath)); + if (\strlen($basePath) && strpos($filename, $basePath) === 0) { + $filename = substr($filename, \strlen($basePath)); } // Remove extra leading path separators. diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Type.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Type.php similarity index 92% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Type.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Type.php index e84c47e403..c96a917869 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Type.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Type.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; /** * Block/node types @@ -27,6 +27,7 @@ class Type const T_COMMENT = 'comment'; const T_CONTINUE = 'continue'; const T_CONTROL = 'control'; + const T_CUSTOM_PROPERTY = 'custom'; const T_DEBUG = 'debug'; const T_DIRECTIVE = 'directive'; const T_EACH = 'each'; diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Util.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Util.php similarity index 83% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Util.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Util.php index a1e5065887..a5c25aaff6 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Util.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Util.php @@ -2,17 +2,17 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; -use Leafo\ScssPhp\Base\Range; -use Leafo\ScssPhp\Exception\RangeException; +use ScssPhp\ScssPhp\Base\Range; +use ScssPhp\ScssPhp\Exception\RangeException; /** * Utilty functions @@ -26,13 +26,13 @@ class Util * room for slight floating-point errors. * * @param string $name The name of the value. Used in the error message. - * @param \Leafo\ScssPhp\Base\Range $range Range of values. + * @param \ScssPhp\ScssPhp\Base\Range $range Range of values. * @param array $value The value to check. * @param string $unit The unit of the value. Used in error reporting. * * @return mixed `value` adjusted to fall within range, if it was outside by a floating-point margin. * - * @throws \Leafo\ScssPhp\Exception\RangeException + * @throws \ScssPhp\ScssPhp\Exception\RangeException */ public static function checkRange($name, Range $range, $value, $unit = '') { diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Version.php b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Version.php similarity index 56% rename from wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Version.php rename to wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Version.php index ec0fee6f41..2b38067e17 100644 --- a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Version.php +++ b/wcfsetup/install/files/lib/system/api/scssphp/scssphp/src/Version.php @@ -2,14 +2,14 @@ /** * SCSSPHP * - * @copyright 2012-2018 Leaf Corcoran + * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * - * @link http://leafo.github.io/scssphp + * @link http://scssphp.github.io/scssphp */ -namespace Leafo\ScssPhp; +namespace ScssPhp\ScssPhp; /** * SCSSPHP version @@ -18,5 +18,5 @@ namespace Leafo\ScssPhp; */ class Version { - const VERSION = 'v0.7.8'; + const VERSION = '1.1.1'; } -- 2.20.1