From: Tim Düsterhus Date: Thu, 29 Nov 2018 16:07:24 +0000 (+0100) Subject: Upgrade scssphp X-Git-Tag: 5.2.0_Alpha_1~480^2^2~1 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c9f63fcce3e6af66710999267dcd26b882b1167b;p=GitHub%2FWoltLab%2FWCF.git Upgrade scssphp --- diff --git a/wcfsetup/install/files/lib/system/api/bin/pscss b/wcfsetup/install/files/lib/system/api/bin/pscss new file mode 120000 index 0000000000..395e1c8bd7 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/bin/pscss @@ -0,0 +1 @@ +../leafo/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 69d963ad01..46fb8ac624 100644 --- a/wcfsetup/install/files/lib/system/api/composer.json +++ b/wcfsetup/install/files/lib/system/api/composer.json @@ -9,6 +9,7 @@ "pelago/emogrifier": "2.0.*", "chrisjean/php-ico": "1.0.*", "true/punycode": "~2.0", - "pear/net_idna2": "^0.2.0" + "pear/net_idna2": "^0.2.0", + "leafo/scssphp": "^0.7.7" } } diff --git a/wcfsetup/install/files/lib/system/api/composer.lock b/wcfsetup/install/files/lib/system/api/composer.lock index 7c27c0b7f7..9024d89b04 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": "83564020f4f34e3a7ad91988e292d804", + "content-hash": "8bb68a1df86b612a3b7196301df662b3", "packages": [ { "name": "chrisjean/php-ico", @@ -142,6 +142,58 @@ ], "time": "2018-02-23T01:58:20+00:00" }, + { + "name": "leafo/scssphp", + "version": "v0.7.7", + "source": { + "type": "git", + "url": "https://github.com/leafo/scssphp.git", + "reference": "1d656f8c02a3a69404bba6b28ec4e06edddf0f49" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/leafo/scssphp/zipball/1d656f8c02a3a69404bba6b28ec4e06edddf0f49", + "reference": "1d656f8c02a3a69404bba6b28ec4e06edddf0f49", + "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" + ], + "time": "2018-07-22T01:22:08+00:00" + }, { "name": "pear/net_idna2", "version": "v0.2.0", diff --git a/wcfsetup/install/files/lib/system/api/composer/ClassLoader.php b/wcfsetup/install/files/lib/system/api/composer/ClassLoader.php index dc02dfb114..fce8549f07 100644 --- a/wcfsetup/install/files/lib/system/api/composer/ClassLoader.php +++ b/wcfsetup/install/files/lib/system/api/composer/ClassLoader.php @@ -279,7 +279,7 @@ class ClassLoader */ public function setApcuPrefix($apcuPrefix) { - $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null; + $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null; } /** @@ -377,7 +377,7 @@ class ClassLoader $subPath = $class; while (false !== $lastPos = strrpos($subPath, '\\')) { $subPath = substr($subPath, 0, $lastPos); - $search = $subPath.'\\'; + $search = $subPath . '\\'; if (isset($this->prefixDirsPsr4[$search])) { $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1); foreach ($this->prefixDirsPsr4[$search] as $dir) { diff --git a/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php b/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php index cc1514a722..e71c2cfc74 100644 --- a/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php +++ b/wcfsetup/install/files/lib/system/api/composer/autoload_psr4.php @@ -9,4 +9,5 @@ return array( 'TrueBV\\' => array($vendorDir . '/true/punycode/src'), 'Symfony\\Polyfill\\Mbstring\\' => array($vendorDir . '/symfony/polyfill-mbstring'), 'Pelago\\' => array($vendorDir . '/pelago/emogrifier/Classes'), + '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 29ec9d2cab..52ee683b4e 100644 --- a/wcfsetup/install/files/lib/system/api/composer/autoload_static.php +++ b/wcfsetup/install/files/lib/system/api/composer/autoload_static.php @@ -24,6 +24,10 @@ class ComposerStaticInit4a4e0e985ef68770d710dc260edc44ab array ( 'Pelago\\' => 7, ), + 'L' => + array ( + 'Leafo\\ScssPhp\\' => 14, + ), ); public static $prefixDirsPsr4 = array ( @@ -39,6 +43,10 @@ class ComposerStaticInit4a4e0e985ef68770d710dc260edc44ab array ( 0 => __DIR__ . '/..' . '/pelago/emogrifier/Classes', ), + 'Leafo\\ScssPhp\\' => + array ( + 0 => __DIR__ . '/..' . '/leafo/scssphp/src', + ), ); public static $prefixesPsr0 = array ( diff --git a/wcfsetup/install/files/lib/system/api/composer/installed.json b/wcfsetup/install/files/lib/system/api/composer/installed.json index eee4c2b6f0..66cb460fea 100644 --- a/wcfsetup/install/files/lib/system/api/composer/installed.json +++ b/wcfsetup/install/files/lib/system/api/composer/installed.json @@ -141,6 +141,60 @@ "html" ] }, + { + "name": "leafo/scssphp", + "version": "v0.7.7", + "version_normalized": "0.7.7.0", + "source": { + "type": "git", + "url": "https://github.com/leafo/scssphp.git", + "reference": "1d656f8c02a3a69404bba6b28ec4e06edddf0f49" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/leafo/scssphp/zipball/1d656f8c02a3a69404bba6b28ec4e06edddf0f49", + "reference": "1d656f8c02a3a69404bba6b28ec4e06edddf0f49", + "shasum": "" + }, + "require": { + "php": ">=5.4.0" + }, + "require-dev": { + "phpunit/phpunit": "~4.6", + "squizlabs/php_codesniffer": "~2.5" + }, + "time": "2018-07-22T01:22:08+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" + ] + }, { "name": "pear/net_idna2", "version": "v0.2.0", diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/LICENSE.md b/wcfsetup/install/files/lib/system/api/leafo/scssphp/LICENSE.md new file mode 100644 index 0000000000..2f5412f9b5 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/LICENSE.md @@ -0,0 +1,20 @@ +Copyright (c) 2015 Leaf Corcoran, http://leafo.github.io/scssphp + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/README.md b/wcfsetup/install/files/lib/system/api/leafo/scssphp/README.md new file mode 100644 index 0000000000..53a4c7a41c --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/README.md @@ -0,0 +1,47 @@ +# 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) + +`scssphp` is a compiler for SCSS written in PHP. + +Checkout the homepage, , for directions on how to use. + +## Running Tests + +`scssphp` uses [PHPUnit](https://github.com/sebastianbergmann/phpunit) for testing. + +Run the following command from the root directory to run every test: + + vendor/bin/phpunit tests + +There are several tests in the `tests/` directory: + +* `ApiTest.php` contains various unit tests that test the PHP interface. +* `ExceptionTest.php` contains unit tests that test for exceptions thrown by the parser and compiler. +* `FailingTest.php` contains tests reported in Github issues that demonstrate compatibility bugs. +* `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 +you can run the following command to rebuild all the tests: + + BUILD=1 vendor/bin/phpunit tests + +This will compile all the tests, and save results into `tests/outputs`. + +To enable the `scss` compatibility tests: + + TEST_SCSS_COMPAT=1 vendor/bin/phpunit tests + +## Coding Standard + +`scssphp` source conforms to [PSR2](http://www.php-fig.org/psr/psr-2/). + +Run the following command from the root directory to check the code for "sniffs". + + vendor/bin/phpcs --standard=PSR2 bin src tests diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/bin/pscss b/wcfsetup/install/files/lib/system/api/leafo/scssphp/bin/pscss new file mode 100644 index 0000000000..be1cb51cba --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/bin/pscss @@ -0,0 +1,215 @@ +#!/usr/bin/env php +parse($data)), true)); + + exit(); +} + +$scss = new Compiler(); + +if ($debugInfo) { + $scss->setLineNumberStyle(Compiler::DEBUG_INFO); +} + +if ($lineNumbers) { + $scss->setLineNumberStyle(Compiler::LINE_COMMENTS); +} + +if ($ignoreErrors) { + $scss->setIgnoreErrors($ignoreErrors); +} + +if ($loadPaths) { + $scss->setImportPaths(explode(PATH_SEPARATOR, $loadPaths)); +} + +if ($precision) { + $scss->setNumberPrecision($precision); +} + +if ($style) { + $scss->setFormatter('Leafo\\ScssPhp\\Formatter\\' . ucfirst($style)); +} + +if ($sourceMap) { + $scss->setSourceMap(Compiler::SOURCE_MAP_FILE); +} + +if ($encoding) { + $scss->setEncoding($encoding); +} + +echo $scss->compile($data, $inputFile); + +if ($changeDir) { + chdir($oldWorkingDir); +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json b/wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json new file mode 100644 index 0000000000..95118a32bf --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/composer.json @@ -0,0 +1,41 @@ +{ + "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 new file mode 100644 index 0000000000..6ea970185f --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/example/Server.php @@ -0,0 +1,515 @@ + + */ +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 = array(); + $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/scss.inc.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/scss.inc.php new file mode 100644 index 0000000000..13c84bf5d6 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/scss.inc.php @@ -0,0 +1,32 @@ + + */ +class Range +{ + public $first; + public $last; + + /** + * Initialize range + * + * @param integer|float $first + * @param integer|float $last + */ + public function __construct($first, $last) + { + $this->first = $first; + $this->last = $last; + } + + /** + * Test for inclusion in range + * + * @param integer|float $value + * + * @return boolean + */ + public function includes($value) + { + return $value >= $this->first && $value <= $this->last; + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Block.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Block.php new file mode 100644 index 0000000000..a6ef8e034f --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Block.php @@ -0,0 +1,65 @@ + + */ +class Block +{ + /** + * @var string + */ + public $type; + + /** + * @var \Leafo\ScssPhp\Block + */ + public $parent; + + /** + * @var string + */ + public $sourceName; + + /** + * @var integer + */ + public $sourceIndex; + + /** + * @var integer + */ + public $sourceLine; + + /** + * @var integer + */ + public $sourceColumn; + + /** + * @var array + */ + public $selectors; + + /** + * @var array + */ + public $comments; + + /** + * @var array + */ + public $children; +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Colors.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Colors.php new file mode 100644 index 0000000000..2314ea58d1 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Colors.php @@ -0,0 +1,179 @@ + + */ +class Colors +{ + /** + * CSS Colors + * + * @see http://www.w3.org/TR/css3-color + * + * @var array + */ + public static $cssColors = [ + 'aliceblue' => '240,248,255', + 'antiquewhite' => '250,235,215', + 'aqua' => '0,255,255', + 'aquamarine' => '127,255,212', + 'azure' => '240,255,255', + 'beige' => '245,245,220', + 'bisque' => '255,228,196', + 'black' => '0,0,0', + 'blanchedalmond' => '255,235,205', + 'blue' => '0,0,255', + 'blueviolet' => '138,43,226', + 'brown' => '165,42,42', + 'burlywood' => '222,184,135', + 'cadetblue' => '95,158,160', + 'chartreuse' => '127,255,0', + 'chocolate' => '210,105,30', + 'coral' => '255,127,80', + 'cornflowerblue' => '100,149,237', + 'cornsilk' => '255,248,220', + 'crimson' => '220,20,60', + 'cyan' => '0,255,255', + 'darkblue' => '0,0,139', + 'darkcyan' => '0,139,139', + 'darkgoldenrod' => '184,134,11', + 'darkgray' => '169,169,169', + 'darkgreen' => '0,100,0', + 'darkgrey' => '169,169,169', + 'darkkhaki' => '189,183,107', + 'darkmagenta' => '139,0,139', + 'darkolivegreen' => '85,107,47', + 'darkorange' => '255,140,0', + 'darkorchid' => '153,50,204', + 'darkred' => '139,0,0', + 'darksalmon' => '233,150,122', + 'darkseagreen' => '143,188,143', + 'darkslateblue' => '72,61,139', + 'darkslategray' => '47,79,79', + 'darkslategrey' => '47,79,79', + 'darkturquoise' => '0,206,209', + 'darkviolet' => '148,0,211', + 'deeppink' => '255,20,147', + 'deepskyblue' => '0,191,255', + 'dimgray' => '105,105,105', + 'dimgrey' => '105,105,105', + 'dodgerblue' => '30,144,255', + 'firebrick' => '178,34,34', + 'floralwhite' => '255,250,240', + 'forestgreen' => '34,139,34', + 'fuchsia' => '255,0,255', + 'gainsboro' => '220,220,220', + 'ghostwhite' => '248,248,255', + 'gold' => '255,215,0', + 'goldenrod' => '218,165,32', + 'gray' => '128,128,128', + 'green' => '0,128,0', + 'greenyellow' => '173,255,47', + 'grey' => '128,128,128', + 'honeydew' => '240,255,240', + 'hotpink' => '255,105,180', + 'indianred' => '205,92,92', + 'indigo' => '75,0,130', + 'ivory' => '255,255,240', + 'khaki' => '240,230,140', + 'lavender' => '230,230,250', + 'lavenderblush' => '255,240,245', + 'lawngreen' => '124,252,0', + 'lemonchiffon' => '255,250,205', + 'lightblue' => '173,216,230', + 'lightcoral' => '240,128,128', + 'lightcyan' => '224,255,255', + 'lightgoldenrodyellow' => '250,250,210', + 'lightgray' => '211,211,211', + 'lightgreen' => '144,238,144', + 'lightgrey' => '211,211,211', + 'lightpink' => '255,182,193', + 'lightsalmon' => '255,160,122', + 'lightseagreen' => '32,178,170', + 'lightskyblue' => '135,206,250', + 'lightslategray' => '119,136,153', + 'lightslategrey' => '119,136,153', + 'lightsteelblue' => '176,196,222', + 'lightyellow' => '255,255,224', + 'lime' => '0,255,0', + 'limegreen' => '50,205,50', + 'linen' => '250,240,230', + 'magenta' => '255,0,255', + 'maroon' => '128,0,0', + 'mediumaquamarine' => '102,205,170', + 'mediumblue' => '0,0,205', + 'mediumorchid' => '186,85,211', + 'mediumpurple' => '147,112,219', + 'mediumseagreen' => '60,179,113', + 'mediumslateblue' => '123,104,238', + 'mediumspringgreen' => '0,250,154', + 'mediumturquoise' => '72,209,204', + 'mediumvioletred' => '199,21,133', + 'midnightblue' => '25,25,112', + 'mintcream' => '245,255,250', + 'mistyrose' => '255,228,225', + 'moccasin' => '255,228,181', + 'navajowhite' => '255,222,173', + 'navy' => '0,0,128', + 'oldlace' => '253,245,230', + 'olive' => '128,128,0', + 'olivedrab' => '107,142,35', + 'orange' => '255,165,0', + 'orangered' => '255,69,0', + 'orchid' => '218,112,214', + 'palegoldenrod' => '238,232,170', + 'palegreen' => '152,251,152', + 'paleturquoise' => '175,238,238', + 'palevioletred' => '219,112,147', + 'papayawhip' => '255,239,213', + 'peachpuff' => '255,218,185', + 'peru' => '205,133,63', + 'pink' => '255,192,203', + 'plum' => '221,160,221', + 'powderblue' => '176,224,230', + 'purple' => '128,0,128', + 'rebeccapurple' => '102,51,153', + 'red' => '255,0,0', + 'rosybrown' => '188,143,143', + 'royalblue' => '65,105,225', + 'saddlebrown' => '139,69,19', + 'salmon' => '250,128,114', + 'sandybrown' => '244,164,96', + 'seagreen' => '46,139,87', + 'seashell' => '255,245,238', + 'sienna' => '160,82,45', + 'silver' => '192,192,192', + 'skyblue' => '135,206,235', + 'slateblue' => '106,90,205', + 'slategray' => '112,128,144', + 'slategrey' => '112,128,144', + 'snow' => '255,250,250', + 'springgreen' => '0,255,127', + 'steelblue' => '70,130,180', + 'tan' => '210,180,140', + 'teal' => '0,128,128', + 'thistle' => '216,191,216', + 'tomato' => '255,99,71', + 'transparent' => '0,0,0,0', + 'turquoise' => '64,224,208', + 'violet' => '238,130,238', + 'wheat' => '245,222,179', + 'white' => '255,255,255', + 'whitesmoke' => '245,245,245', + 'yellow' => '255,255,0', + 'yellowgreen' => '154,205,50', + ]; +} 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 new file mode 100644 index 0000000000..637f1c1c96 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler.php @@ -0,0 +1,5377 @@ + + */ +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; + + private $indentLevel; + private $commentsSeen; + private $extends; + private $extendsMap; + private $parsedFiles; + private $parser; + private $sourceIndex; + private $sourceLine; + private $sourceColumn; + private $stderr; + private $shouldEvaluate; + private $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 = $tempReplacement[$l]; + 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; + + $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 $without + * + * @return array + */ + private function spliceTree($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; + } + + $type = isset($newBlock->type) ? $newBlock->type : Type::T_BLOCK; + + return [$type, $newBlock]; + } + + /** + * Compile @at-root's with: inclusion / without: exclusion into filter flags + * + * @param array $with + * + * @return integer + */ + private function compileWith($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 $without + * + * @return \Leafo\ScssPhp\Compiler\Environment + */ + private function filterWithout($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 $block + * + * @return boolean + */ + private function isWithout($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); + + $this->compileChildrenNoReturn($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 $out + * + * @return array + */ + protected function compileChildren($stms, OutputBlock $out) + { + foreach ($stms as $stm) { + $ret = $this->compileChild($stm, $out); + + if (isset($ret)) { + return $ret; + } + } + } + + /** + * 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: + list(, $rawPath) = $child; + + $rawPath = $this->reduce($rawPath); + + if (! $this->compileImport($rawPath, $out, true)) { + $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';'; + } + break; + + case Type::T_IMPORT: + list(, $rawPath) = $child; + + $rawPath = $this->reduce($rawPath); + + 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); + break; + } + + $shouldSet = $isDefault && + (($result = $this->get($name[1], false)) === null + || $result === static::$null); + + if (! $isDefault || $shouldSet) { + $this->set($name[1], $this->reduce($value)); + } + break; + } + + $compiledName = $this->compileValue($name); + + // handle shorthand syntax: size / line-height + if ($compiledName === 'font') { + if ($value[0] === Type::T_EXPRESSION && $value[1] === '/') { + $value = $this->expToString($value); + } elseif ($value[0] === Type::T_LIST) { + foreach ($value[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: + list(, $selectors) = $child; + + foreach ($selectors 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; + + $line = $this->sourceLine; + $value = $this->compileValue($this->reduce($value, true)); + fwrite($this->stderr, "Line $line DEBUG: $value\n"); + break; + + case Type::T_WARN: + list(, $value) = $child; + + $line = $this->sourceLine; + $value = $this->compileValue($this->reduce($value, true)); + fwrite($this->stderr, "Line $line WARN: $value\n"); + break; + + case Type::T_ERROR: + list(, $value) = $child; + + $line = $this->sourceLine; + $value = $this->compileValue($this->reduce($value, true)); + $this->throwError("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], $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, $inExp = false) + { + list($type) = $value; + + switch ($type) { + 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: + list(, $name) = $value; + + return $this->reduce($this->get($name)); + + case Type::T_LIST: + foreach ($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: + list(, $name, $argValues) = $value; + + return $this->fncall($name, $argValues); + + default: + return $value; + } + } + + /** + * Function caller + * + * @param string $name + * @param array $argValues + * + * @return array|null + */ + private function fncall($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($value)); + list($type) = $value; + + switch ($type) { + 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 $value; + + case Type::T_STRING: + return [$type, '"', [$this->compileStringContent($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 $right + * + * @return array + */ + protected function opAdd($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; + } + } + + /** + * Boolean and + * + * @param array $left + * @param array $right + * @param boolean $shouldEval + * + * @return array + */ + protected function opAnd($left, $right, $shouldEval) + { + if (! $shouldEval) { + return; + } + + if ($left !== static::$false and $left !== static::$null) { + return $this->reduce($right, true); + } + + return $left; + } + + /** + * Boolean or + * + * @param array $left + * @param array $right + * @param boolean $shouldEval + * + * @return array + */ + protected function opOr($left, $right, $shouldEval) + { + if (! $shouldEval) { + return; + } + + if ($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); + + list($type) = $value; + + switch ($type) { + 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: + // raw parse node + list(, $exp) = $value; + + // strip quotes if it's a string + $reduced = $this->reduce($exp); + + 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: $type"); + } + } + + /** + * 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 + * + * @return array + */ + protected function multiplySelectors(Environment $env) + { + $envs = $this->compactEnv($env); + $selectors = []; + $parentSelectors = [[]]; + + while ($env = array_pop($envs)) { + if (empty($env->selectors)) { + continue; + } + + $selectors = []; + + foreach ($env->selectors as $selector) { + foreach ($parentSelectors as $parent) { + $selectors[] = $this->joinSelectors($parent, $selector); + } + } + + $parentSelectors = $selectors; + } + + return $selectors; + } + + /** + * Join selectors; looks for & to replace, or append parent before child + * + * @param array $parent + * @param array $child + * + * @return array + */ + protected function joinSelectors($parent, $child) + { + $setSelf = false; + $out = []; + + foreach ($child as $part) { + $newPart = []; + + foreach ($part as $p) { + if ($p === static::$selfSelector) { + $setSelf = true; + + foreach ($parent as $i => $parentPart) { + if ($i > 0) { + $out[] = $newPart; + $newPart = []; + } + + foreach ($parentPart as $pp) { + $newPart[] = $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 + */ + private function compactEnv(Environment $env) + { + for ($envs = []; $env; $env = $env->parent) { + $envs[] = $env; + } + + return $envs; + } + + /** + * Convert env stack to singly linked list + * + * @param array $envs + * + * @return \Leafo\ScssPhp\Compiler\Environment + */ + private function extractEnv($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 $env + */ + protected function set($name, $value, $shadow = false, Environment $env = null) + { + $name = $this->normalizeName($name); + + if (! isset($env)) { + $env = $this->getStoreEnv(); + } + + if ($shadow) { + $this->setRaw($name, $value, $env); + } else { + $this->setExisting($name, $value, $env); + } + } + + /** + * Set existing variable + * + * @param string $name + * @param mixed $value + * @param \Leafo\ScssPhp\Compiler\Environment $env + */ + protected function setExisting($name, $value, Environment $env) + { + $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; + } + + /** + * Set raw variable + * + * @param string $name + * @param mixed $value + * @param \Leafo\ScssPhp\Compiler\Environment $env + */ + protected function setRaw($name, $value, Environment $env) + { + $env->store[$name] = $value; + } + + /** + * Get variable + * + * @api + * + * @param string $name + * @param boolean $shouldThrow + * @param \Leafo\ScssPhp\Compiler\Environment $env + * + * @return mixed + */ + public function get($name, $shouldThrow = true, Environment $env = null) + { + $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)) { + 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 + } + + /** + * 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 $path + */ + public function addImportPath($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) { + $full = $dir + . (! empty($dir) && substr($dir, -1) !== '/' ? '/' : '') + . $full; + + if ($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; + } + + /** + * 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; + $msg = "$msg: line: $line"; + + throw new CompilerException($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 $value + * + * @return array|\Leafo\ScssPhp\Node\Number + */ + private function coerceValue($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'); + } + + 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'); + } + + 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'); + } + + /** + * 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'); + } + + 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 $h + * + * @return float + */ + private function hueToRGB($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; + } + + $list[2][$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; + } + + $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; + } + + 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/Compiler/Environment.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler/Environment.php new file mode 100644 index 0000000000..fe309dd30f --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Compiler/Environment.php @@ -0,0 +1,40 @@ + + */ +class Environment +{ + /** + * @var \Leafo\ScssPhp\Block + */ + public $block; + + /** + * @var \Leafo\ScssPhp\Compiler\Environment + */ + public $parent; + + /** + * @var array + */ + public $store; + + /** + * @var integer + */ + public $depth; +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/CompilerException.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/CompilerException.php new file mode 100644 index 0000000000..7ca2e2b3bb --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/CompilerException.php @@ -0,0 +1,21 @@ + + */ +class CompilerException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ParserException.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ParserException.php new file mode 100644 index 0000000000..6d64335fe7 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ParserException.php @@ -0,0 +1,21 @@ + + */ +class ParserException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/RangeException.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/RangeException.php new file mode 100644 index 0000000000..3ba6bf143b --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/RangeException.php @@ -0,0 +1,21 @@ + + */ +class RangeException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ServerException.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ServerException.php new file mode 100644 index 0000000000..d0ed084273 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Exception/ServerException.php @@ -0,0 +1,21 @@ + + */ +class ServerException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter.php new file mode 100644 index 0000000000..b4f90aa9d8 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter.php @@ -0,0 +1,274 @@ + + */ +abstract class Formatter +{ + /** + * @var integer + */ + public $indentLevel; + + /** + * @var string + */ + public $indentChar; + + /** + * @var string + */ + public $break; + + /** + * @var string + */ + public $open; + + /** + * @var string + */ + public $close; + + /** + * @var string + */ + public $tagSeparator; + + /** + * @var string + */ + public $assignSeparator; + + /** + * @var boolean + */ + public $keepSemicolons; + + /** + * @var \Leafo\ScssPhp\Formatter\OutputBlock + */ + protected $currentBlock; + + /** + * @var integer + */ + protected $currentLine; + + /** + * @var integer + */ + protected $currentColumn; + + /** + * @var \Leafo\ScssPhp\SourceMap\SourceMapGenerator + */ + protected $sourceMapGenerator; + + /** + * Initialize formatter + * + * @api + */ + abstract public function __construct(); + + /** + * Return indentation (whitespace) + * + * @return string + */ + protected function indentStr() + { + return ''; + } + + /** + * Return property assignment + * + * @api + * + * @param string $name + * @param mixed $value + * + * @return string + */ + public function property($name, $value) + { + return rtrim($name) . $this->assignSeparator . $value . ';'; + } + + /** + * Strip semi-colon appended by property(); it's a separator, not a terminator + * + * @api + * + * @param array $lines + */ + public function stripSemicolon(&$lines) + { + if ($this->keepSemicolons) { + return; + } + + if (($count = count($lines)) + && substr($lines[$count - 1], -1) === ';' + ) { + $lines[$count - 1] = substr($lines[$count - 1], 0, -1); + } + } + + /** + * Output lines inside a block + * + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + */ + protected function blockLines(OutputBlock $block) + { + $inner = $this->indentStr(); + + $glue = $this->break . $inner; + + $this->write($inner . implode($glue, $block->lines)); + + if (! empty($block->children)) { + $this->write($this->break); + } + } + + /** + * Output block selectors + * + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + */ + protected function blockSelectors(OutputBlock $block) + { + $inner = $this->indentStr(); + + $this->write($inner + . implode($this->tagSeparator, $block->selectors) + . $this->open . $this->break); + } + + /** + * Output block children + * + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + */ + protected function blockChildren(OutputBlock $block) + { + foreach ($block->children as $child) { + $this->block($child); + } + } + + /** + * Output non-empty block + * + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + */ + protected function block(OutputBlock $block) + { + if (empty($block->lines) && empty($block->children)) { + return; + } + + $this->currentBlock = $block; + + $pre = $this->indentStr(); + + if (! empty($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)) { + $this->indentLevel--; + + if (empty($block->children)) { + $this->write($this->break); + } + + $this->write($pre . $this->close . $this->break); + } + } + + /** + * 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 + * + * @return string + */ + public function format(OutputBlock $block, SourceMapGenerator $sourceMapGenerator = null) + { + $this->sourceMapGenerator = null; + + if ($sourceMapGenerator) { + $this->currentLine = 1; + $this->currentColumn = 0; + $this->sourceMapGenerator = $sourceMapGenerator; + } + + ob_start(); + + $this->block($block); + + $out = ob_get_clean(); + + return $out; + } + + /** + * @param string $str + */ + protected function write($str) + { + if ($this->sourceMapGenerator) { + $this->sourceMapGenerator->addMapping( + $this->currentLine, + $this->currentColumn, + $this->currentBlock->sourceLine, + $this->currentBlock->sourceColumn - 1, //columns from parser are off by one + $this->currentBlock->sourceName + ); + + $lines = explode("\n", $str); + $lineCount = count($lines); + $this->currentLine += $lineCount-1; + + $lastLine = array_pop($lines); + + $this->currentColumn = ($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/leafo/scssphp/src/Formatter/Compact.php new file mode 100644 index 0000000000..4efa1a089a --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compact.php @@ -0,0 +1,45 @@ + + */ +class Compact extends Formatter +{ + /** + * {@inheritdoc} + */ + public function __construct() + { + $this->indentLevel = 0; + $this->indentChar = ''; + $this->break = ''; + $this->open = ' {'; + $this->close = "}\n\n"; + $this->tagSeparator = ','; + $this->assignSeparator = ':'; + $this->keepSemicolons = true; + } + + /** + * {@inheritdoc} + */ + public function indentStr() + { + return ' '; + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compressed.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compressed.php new file mode 100644 index 0000000000..1faa7e11e5 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Compressed.php @@ -0,0 +1,62 @@ + + */ +class Compressed extends Formatter +{ + /** + * {@inheritdoc} + */ + public function __construct() + { + $this->indentLevel = 0; + $this->indentChar = ' '; + $this->break = ''; + $this->open = '{'; + $this->close = '}'; + $this->tagSeparator = ','; + $this->assignSeparator = ':'; + $this->keepSemicolons = false; + } + + /** + * {@inheritdoc} + */ + public function blockLines(OutputBlock $block) + { + $inner = $this->indentStr(); + + $glue = $this->break . $inner; + + foreach ($block->lines as $index => $line) { + if (substr($line, 0, 2) === '/*' && substr($line, 2, 1) !== '!') { + unset($block->lines[$index]); + } elseif (substr($line, 0, 3) === '/*!') { + $block->lines[$index] = '/*' . substr($line, 3); + } + } + + $this->write($inner . implode($glue, $block->lines)); + + if (! empty($block->children)) { + $this->write($this->break); + } + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Crunched.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Crunched.php new file mode 100644 index 0000000000..42d77b5f78 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Crunched.php @@ -0,0 +1,60 @@ + + */ +class Crunched extends Formatter +{ + /** + * {@inheritdoc} + */ + public function __construct() + { + $this->indentLevel = 0; + $this->indentChar = ' '; + $this->break = ''; + $this->open = '{'; + $this->close = '}'; + $this->tagSeparator = ','; + $this->assignSeparator = ':'; + $this->keepSemicolons = false; + } + + /** + * {@inheritdoc} + */ + public function blockLines(OutputBlock $block) + { + $inner = $this->indentStr(); + + $glue = $this->break . $inner; + + foreach ($block->lines as $index => $line) { + if (substr($line, 0, 2) === '/*') { + unset($block->lines[$index]); + } + } + + $this->write($inner . implode($glue, $block->lines)); + + if (! empty($block->children)) { + $this->write($this->break); + } + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Debug.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Debug.php new file mode 100644 index 0000000000..bfcbf41ad7 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Debug.php @@ -0,0 +1,121 @@ + + */ +class Debug extends Formatter +{ + /** + * {@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() + { + return str_repeat(' ', $this->indentLevel); + } + + /** + * {@inheritdoc} + */ + protected function blockLines(OutputBlock $block) + { + $indent = $this->indentStr(); + + if (empty($block->lines)) { + $this->write("{$indent}block->lines: []\n"); + + return; + } + + foreach ($block->lines as $index => $line) { + $this->write("{$indent}block->lines[{$index}]: $line\n"); + } + } + + /** + * {@inheritdoc} + */ + protected function blockSelectors(OutputBlock $block) + { + $indent = $this->indentStr(); + + if (empty($block->selectors)) { + $this->write("{$indent}block->selectors: []\n"); + + return; + } + + foreach ($block->selectors as $index => $selector) { + $this->write("{$indent}block->selectors[{$index}]: $selector\n"); + } + } + + /** + * {@inheritdoc} + */ + protected function blockChildren(OutputBlock $block) + { + $indent = $this->indentStr(); + + if (empty($block->children)) { + $this->write("{$indent}block->children: []\n"); + + return; + } + + $this->indentLevel++; + + foreach ($block->children as $i => $child) { + $this->block($child); + } + + $this->indentLevel--; + } + + /** + * {@inheritdoc} + */ + protected function block(OutputBlock $block) + { + $indent = $this->indentStr(); + + $this->write("{$indent}block->type: {$block->type}\n" . + "{$indent}block->depth: {$block->depth}\n"); + + $this->currentBlock = $block; + + $this->blockSelectors($block); + $this->blockLines($block); + $this->blockChildren($block); + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Expanded.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Expanded.php new file mode 100644 index 0000000000..d8c1e8879e --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Expanded.php @@ -0,0 +1,68 @@ + + */ +class Expanded extends Formatter +{ + /** + * {@inheritdoc} + */ + public function __construct() + { + $this->indentLevel = 0; + $this->indentChar = ' '; + $this->break = "\n"; + $this->open = ' {'; + $this->close = '}'; + $this->tagSeparator = ', '; + $this->assignSeparator = ': '; + $this->keepSemicolons = true; + } + + /** + * {@inheritdoc} + */ + protected function indentStr() + { + return str_repeat($this->indentChar, $this->indentLevel); + } + + /** + * {@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->selectors) || ! empty($block->children)) { + $this->write($this->break); + } + } +} 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 new file mode 100644 index 0000000000..8f72206fd1 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/Nested.php @@ -0,0 +1,201 @@ + + */ +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/Formatter/OutputBlock.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/OutputBlock.php new file mode 100644 index 0000000000..5eb589c945 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Formatter/OutputBlock.php @@ -0,0 +1,65 @@ + + */ +class OutputBlock +{ + /** + * @var string + */ + public $type; + + /** + * @var integer + */ + public $depth; + + /** + * @var array + */ + public $selectors; + + /** + * @var array + */ + public $lines; + + /** + * @var array + */ + public $children; + + /** + * @var \Leafo\ScssPhp\Formatter\OutputBlock + */ + public $parent; + + /** + * @var string + */ + public $sourceName; + + /** + * @var integer + */ + public $sourceLine; + + /** + * @var integer + */ + public $sourceColumn; +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node.php new file mode 100644 index 0000000000..b9f7945a35 --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node.php @@ -0,0 +1,40 @@ + + */ +abstract class Node +{ + /** + * @var string + */ + public $type; + + /** + * @var integer + */ + public $sourceIndex; + + /** + * @var integer + */ + public $sourceLine; + + /** + * @var integer + */ + public $sourceColumn; +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node/Number.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node/Number.php new file mode 100644 index 0000000000..42c168037f --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Node/Number.php @@ -0,0 +1,330 @@ + + */ +class Number extends Node implements \ArrayAccess +{ + /** + * @var integer + */ + static public $precision = 10; + + /** + * @see http://www.w3.org/TR/2012/WD-css3-values-20120308/ + * + * @var array + */ + static protected $unitTable = [ + 'in' => [ + 'in' => 1, + 'pc' => 6, + 'pt' => 72, + 'px' => 96, + 'cm' => 2.54, + 'mm' => 25.4, + 'q' => 101.6, + ], + 'turn' => [ + 'deg' => 360, + 'grad' => 400, + 'rad' => 6.28318530717958647692528676, // 2 * M_PI + 'turn' => 1, + ], + 's' => [ + 's' => 1, + 'ms' => 1000, + ], + 'Hz' => [ + 'Hz' => 1, + 'kHz' => 0.001, + ], + 'dpi' => [ + 'dpi' => 1, + 'dpcm' => 2.54, + 'dppx' => 96, + ], + ]; + + /** + * @var integer|float + */ + public $dimension; + + /** + * @var array + */ + public $units; + + /** + * Initialize number + * + * @param mixed $dimension + * @param mixed $initialUnit + */ + public function __construct($dimension, $initialUnit) + { + $this->type = Type::T_NUMBER; + $this->dimension = $dimension; + $this->units = is_array($initialUnit) + ? $initialUnit + : ($initialUnit ? [$initialUnit => 1] + : []); + } + + /** + * Coerce number to target units + * + * @param array $units + * + * @return \Leafo\ScssPhp\Node\Number + */ + public function coerce($units) + { + if ($this->unitless()) { + return new Number($this->dimension, $units); + } + + $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 /= $factor; + } + + return new Number($dimension, $units); + } + + /** + * Normalize number + * + * @return \Leafo\ScssPhp\Node\Number + */ + public function normalize() + { + $dimension = $this->dimension; + $units = []; + + $this->normalizeUnits($dimension, $units, 'in'); + + return new Number($dimension, $units); + } + + /** + * {@inheritdoc} + */ + public function offsetExists($offset) + { + if ($offset === -3) { + return $this->sourceColumn !== null; + } + + if ($offset === -2) { + return $this->sourceLine !== null; + } + + if ($offset === -1 + || $offset === 0 + || $offset === 1 + || $offset === 2 + ) { + return true; + } + + return false; + } + + /** + * {@inheritdoc} + */ + public function offsetGet($offset) + { + switch ($offset) { + case -3: + return $this->sourceColumn; + + case -2: + return $this->sourceLine; + + case -1: + return $this->sourceIndex; + + case 0: + return $this->type; + + case 1: + return $this->dimension; + + case 2: + return $this->units; + } + } + + /** + * {@inheritdoc} + */ + public function offsetSet($offset, $value) + { + if ($offset === 1) { + $this->dimension = $value; + } elseif ($offset === 2) { + $this->units = $value; + } elseif ($offset == -1) { + $this->sourceIndex = $value; + } elseif ($offset == -2) { + $this->sourceLine = $value; + } elseif ($offset == -3) { + $this->sourceColumn = $value; + } + } + + /** + * {@inheritdoc} + */ + public function offsetUnset($offset) + { + if ($offset === 1) { + $this->dimension = null; + } elseif ($offset === 2) { + $this->units = null; + } elseif ($offset === -1) { + $this->sourceIndex = null; + } elseif ($offset === -2) { + $this->sourceLine = null; + } elseif ($offset === -3) { + $this->sourceColumn = null; + } + } + + /** + * Returns true if the number is unitless + * + * @return boolean + */ + public function unitless() + { + return ! array_sum($this->units); + } + + /** + * Returns unit(s) as the product of numerator units divided by the product of denominator units + * + * @return string + */ + public function unitStr() + { + $numerators = []; + $denominators = []; + + foreach ($this->units as $unit => $unitSize) { + if ($unitSize > 0) { + $numerators = array_pad($numerators, count($numerators) + $unitSize, $unit); + continue; + } + + if ($unitSize < 0) { + $denominators = array_pad($denominators, count($denominators) + $unitSize, $unit); + continue; + } + } + + return implode('*', $numerators) . (count($denominators) ? '/' . implode('*', $denominators) : ''); + } + + /** + * Output number + * + * @param \Leafo\ScssPhp\Compiler $compiler + * + * @return string + */ + public function output(Compiler $compiler = null) + { + $dimension = round($this->dimension, static::$precision); + + $units = array_filter($this->units, function ($unitSize) { + return $unitSize; + }); + + if (count($units) > 1 && array_sum($units) === 0) { + $dimension = $this->dimension; + $units = []; + + $this->normalizeUnits($dimension, $units, 'in'); + + $dimension = round($dimension, static::$precision); + $units = array_filter($units, function ($unitSize) { + return $unitSize; + }); + } + + $unitSize = array_sum($units); + + if ($compiler && ($unitSize > 1 || $unitSize < 0 || count($units) > 1)) { + $compiler->throwError((string) $dimension . $this->unitStr() . " isn't a valid CSS value."); + } + + reset($units); + $unit = key($units); + $dimension = number_format($dimension, static::$precision, '.', ''); + + return (static::$precision ? rtrim(rtrim($dimension, '0'), '.') : $dimension) . $unit; + } + + /** + * {@inheritdoc} + */ + public function __toString() + { + return $this->output(); + } + + /** + * Normalize units + * + * @param integer|float $dimension + * @param array $units + * @param string $baseUnit + */ + private function normalizeUnits(&$dimension, &$units, $baseUnit = 'in') + { + $dimension = $this->dimension; + $units = []; + + foreach ($this->units as $unit => $exp) { + if (isset(static::$unitTable[$baseUnit][$unit])) { + $factor = pow(static::$unitTable[$baseUnit][$unit], $exp); + + $unit = $baseUnit; + $dimension /= $factor; + } + + $units[$unit] = $exp + (isset($units[$unit]) ? $units[$unit] : 0); + } + } +} diff --git a/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Parser.php b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Parser.php new file mode 100644 index 0000000000..de86f094fb --- /dev/null +++ b/wcfsetup/install/files/lib/system/api/leafo/scssphp/src/Parser.php @@ -0,0 +1,2509 @@ + + */ +class Parser +{ + const SOURCE_INDEX = -1; + const SOURCE_LINE = -2; + const SOURCE_COLUMN = -3; + + /** + * @var array + */ + protected static $precedence = [ + '=' => 0, + 'or' => 1, + 'and' => 2, + '==' => 3, + '!=' => 3, + '<=>' => 3, + '<=' => 4, + '>=' => 4, + '<' => 4, + '>' => 4, + '+' => 5, + '-' => 5, + '*' => 6, + '/' => 6, + '%' => 6, + ]; + + protected static $commentPattern; + protected static $operatorPattern; + protected static $whitePattern; + + private $sourceName; + private $sourceIndex; + private $sourcePositions; + private $charset; + private $count; + private $env; + private $inParens; + private $eatWhiteDefault; + private $buffer; + private $utf8; + private $encoding; + private $patternModifiers; + + /** + * Constructor + * + * @api + * + * @param string $sourceName + * @param integer $sourceIndex + * @param string $encoding + */ + public function __construct($sourceName, $sourceIndex = 0, $encoding = 'utf-8') + { + $this->sourceName = $sourceName ?: '(stdin)'; + $this->sourceIndex = $sourceIndex; + $this->charset = null; + $this->utf8 = ! $encoding || strtolower($encoding) === 'utf-8'; + $this->patternModifiers = $this->utf8 ? 'Aisu' : 'Ais'; + + if (empty(static::$operatorPattern)) { + static::$operatorPattern = '([*\/%+-]|[!=]\=|\>\=?|\<\=\>|\<\=?|and|or)'; + + $commentSingle = '\/\/'; + $commentMultiLeft = '\/\*'; + $commentMultiRight = '\*\/'; + + static::$commentPattern = $commentMultiLeft . '.*?' . $commentMultiRight; + static::$whitePattern = $this->utf8 + ? '/' . $commentSingle . '[^\n]*\s*|(' . static::$commentPattern . ')\s*|\s+/AisuS' + : '/' . $commentSingle . '[^\n]*\s*|(' . static::$commentPattern . ')\s*|\s+/AisS'; + } + } + + /** + * Get source file name + * + * @api + * + * @return string + */ + public function getSourceName() + { + return $this->sourceName; + } + + /** + * Throw parser error + * + * @api + * + * @param string $msg + * + * @throws \Leafo\ScssPhp\Exception\ParserException + */ + public function throwParseError($msg = 'parse error') + { + list($line, /* $column */) = $this->getSourcePosition($this->count); + + $loc = empty($this->sourceName) ? "line: $line" : "$this->sourceName on line $line"; + + if ($this->peek("(.*?)(\n|$)", $m, $this->count)) { + throw new ParserException("$msg: failed at `$m[1]` $loc"); + } + + throw new ParserException("$msg: $loc"); + } + + /** + * Parser buffer + * + * @api + * + * @param string $buffer + * + * @return \Leafo\ScssPhp\Block + */ + public function parse($buffer) + { + // strip BOM (byte order marker) + if (substr($buffer, 0, 3) === "\xef\xbb\xbf") { + $buffer = substr($buffer, 3); + } + + $this->buffer = rtrim($buffer, "\x00..\x1f"); + $this->count = 0; + $this->env = null; + $this->inParens = false; + $this->eatWhiteDefault = true; + + $this->saveEncoding(); + $this->extractLineNumbers($buffer); + + $this->pushBlock(null); // root block + $this->whitespace(); + $this->pushBlock(null); + $this->popBlock(); + + while ($this->parseChunk()) { + ; + } + + if ($this->count !== strlen($this->buffer)) { + $this->throwParseError(); + } + + if (! empty($this->env->parent)) { + $this->throwParseError('unclosed block'); + } + + if ($this->charset) { + array_unshift($this->env->children, $this->charset); + } + + $this->env->isRoot = true; + + $this->restoreEncoding(); + + return $this->env; + } + + /** + * Parse a value or value list + * + * @api + * + * @param string $buffer + * @param string $out + * + * @return boolean + */ + public function parseValue($buffer, &$out) + { + $this->count = 0; + $this->env = null; + $this->inParens = false; + $this->eatWhiteDefault = true; + $this->buffer = (string) $buffer; + + $this->saveEncoding(); + + $list = $this->valueList($out); + + $this->restoreEncoding(); + + return $list; + } + + /** + * Parse a selector or selector list + * + * @api + * + * @param string $buffer + * @param string $out + * + * @return boolean + */ + public function parseSelector($buffer, &$out) + { + $this->count = 0; + $this->env = null; + $this->inParens = false; + $this->eatWhiteDefault = true; + $this->buffer = (string) $buffer; + + $this->saveEncoding(); + + $selector = $this->selectors($out); + + $this->restoreEncoding(); + + return $selector; + } + + /** + * Parse a single chunk off the head of the buffer and append it to the + * current parse environment. + * + * Returns false when the buffer is empty, or when there is an error. + * + * This function is called repeatedly until the entire document is + * parsed. + * + * This parser is most similar to a recursive descent parser. Single + * functions represent discrete grammatical rules for the language, and + * they are able to capture the text that represents those rules. + * + * Consider the function Compiler::keyword(). (All parse functions are + * structured the same.) + * + * The function takes a single reference argument. When calling the + * function it will attempt to match a keyword on the head of the buffer. + * If it is successful, it will place the keyword in the referenced + * argument, advance the position in the buffer, and return true. If it + * fails then it won't advance the buffer and it will return false. + * + * All of these parse functions are powered by Compiler::match(), which behaves + * the same way, but takes a literal regular expression. Sometimes it is + * more convenient to use match instead of creating a new function. + * + * Because of the format of the functions, to parse an entire string of + * grammatical rules, you can chain them together using &&. + * + * But, if some of the rules in the chain succeed before one fails, then + * the buffer position will be left at an invalid state. In order to + * avoid this, Compiler::seek() is used to remember and set buffer positions. + * + * Before parsing a chain, use $s = $this->seek() to remember the current + * position into $s. Then if a chain fails, use $this->seek($s) to + * go back where we started. + * + * @return boolean + */ + protected function parseChunk() + { + $s = $this->seek(); + + // the directives + if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] === '@') { + if ($this->literal('@at-root') && + ($this->selectors($selector) || true) && + ($this->map($with) || true) && + $this->literal('{') + ) { + $atRoot = $this->pushSpecialBlock(Type::T_AT_ROOT, $s); + $atRoot->selector = $selector; + $atRoot->with = $with; + + return true; + } + + $this->seek($s); + + if ($this->literal('@media') && $this->mediaQueryList($mediaQueryList) && $this->literal('{')) { + $media = $this->pushSpecialBlock(Type::T_MEDIA, $s); + $media->queryList = $mediaQueryList[2]; + + return true; + } + + $this->seek($s); + + if ($this->literal('@mixin') && + $this->keyword($mixinName) && + ($this->argumentDef($args) || true) && + $this->literal('{') + ) { + $mixin = $this->pushSpecialBlock(Type::T_MIXIN, $s); + $mixin->name = $mixinName; + $mixin->args = $args; + + return true; + } + + $this->seek($s); + + if ($this->literal('@include') && + $this->keyword($mixinName) && + ($this->literal('(') && + ($this->argValues($argValues) || true) && + $this->literal(')') || true) && + ($this->end() || + $this->literal('{') && $hasBlock = true) + ) { + $child = [Type::T_INCLUDE, $mixinName, isset($argValues) ? $argValues : null, null]; + + if (! empty($hasBlock)) { + $include = $this->pushSpecialBlock(Type::T_INCLUDE, $s); + $include->child = $child; + } else { + $this->append($child, $s); + } + + return true; + } + + $this->seek($s); + + if ($this->literal('@scssphp-import-once') && + $this->valueList($importPath) && + $this->end() + ) { + $this->append([Type::T_SCSSPHP_IMPORT_ONCE, $importPath], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@import') && + $this->valueList($importPath) && + $this->end() + ) { + $this->append([Type::T_IMPORT, $importPath], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@import') && + $this->url($importPath) && + $this->end() + ) { + $this->append([Type::T_IMPORT, $importPath], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@extend') && + $this->selectors($selectors) && + $this->end() + ) { + // check for '!flag' + $optional = $this->stripOptionalFlag($selectors); + $this->append([Type::T_EXTEND, $selectors, $optional], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@function') && + $this->keyword($fnName) && + $this->argumentDef($args) && + $this->literal('{') + ) { + $func = $this->pushSpecialBlock(Type::T_FUNCTION, $s); + $func->name = $fnName; + $func->args = $args; + + return true; + } + + $this->seek($s); + + if ($this->literal('@break') && $this->end()) { + $this->append([Type::T_BREAK], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@continue') && $this->end()) { + $this->append([Type::T_CONTINUE], $s); + + return true; + } + + $this->seek($s); + + + if ($this->literal('@return') && ($this->valueList($retVal) || true) && $this->end()) { + $this->append([Type::T_RETURN, isset($retVal) ? $retVal : [Type::T_NULL]], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@each') && + $this->genericList($varNames, 'variable', ',', false) && + $this->literal('in') && + $this->valueList($list) && + $this->literal('{') + ) { + $each = $this->pushSpecialBlock(Type::T_EACH, $s); + + foreach ($varNames[2] as $varName) { + $each->vars[] = $varName[1]; + } + + $each->list = $list; + + return true; + } + + $this->seek($s); + + if ($this->literal('@while') && + $this->expression($cond) && + $this->literal('{') + ) { + $while = $this->pushSpecialBlock(Type::T_WHILE, $s); + $while->cond = $cond; + + return true; + } + + $this->seek($s); + + if ($this->literal('@for') && + $this->variable($varName) && + $this->literal('from') && + $this->expression($start) && + ($this->literal('through') || + ($forUntil = true && $this->literal('to'))) && + $this->expression($end) && + $this->literal('{') + ) { + $for = $this->pushSpecialBlock(Type::T_FOR, $s); + $for->var = $varName[1]; + $for->start = $start; + $for->end = $end; + $for->until = isset($forUntil); + + return true; + } + + $this->seek($s); + + if ($this->literal('@if') && $this->valueList($cond) && $this->literal('{')) { + $if = $this->pushSpecialBlock(Type::T_IF, $s); + $if->cond = $cond; + $if->cases = []; + + return true; + } + + $this->seek($s); + + if ($this->literal('@debug') && + $this->valueList($value) && + $this->end() + ) { + $this->append([Type::T_DEBUG, $value], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@warn') && + $this->valueList($value) && + $this->end() + ) { + $this->append([Type::T_WARN, $value], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@error') && + $this->valueList($value) && + $this->end() + ) { + $this->append([Type::T_ERROR, $value], $s); + + return true; + } + + $this->seek($s); + + if ($this->literal('@content') && $this->end()) { + $this->append([Type::T_MIXIN_CONTENT], $s); + + return true; + } + + $this->seek($s); + + $last = $this->last(); + + if (isset($last) && $last[0] === Type::T_IF) { + list(, $if) = $last; + + if ($this->literal('@else')) { + if ($this->literal('{')) { + $else = $this->pushSpecialBlock(Type::T_ELSE, $s); + } elseif ($this->literal('if') && $this->valueList($cond) && $this->literal('{')) { + $else = $this->pushSpecialBlock(Type::T_ELSEIF, $s); + $else->cond = $cond; + } + + if (isset($else)) { + $else->dontAppend = true; + $if->cases[] = $else; + + return true; + } + } + + $this->seek($s); + } + + // only retain the first @charset directive encountered + if ($this->literal('@charset') && + $this->valueList($charset) && + $this->end() + ) { + if (! isset($this->charset)) { + $statement = [Type::T_CHARSET, $charset]; + + list($line, $column) = $this->getSourcePosition($s); + + $statement[static::SOURCE_LINE] = $line; + $statement[static::SOURCE_COLUMN] = $column; + $statement[static::SOURCE_INDEX] = $this->sourceIndex; + + $this->charset = $statement; + } + + return true; + } + + $this->seek($s); + + // doesn't match built in directive, do generic one + if ($this->literal('@', false) && + $this->keyword($dirName) && + ($this->variable($dirValue) || $this->openString('{', $dirValue) || true) && + $this->literal('{') + ) { + if ($dirName === 'media') { + $directive = $this->pushSpecialBlock(Type::T_MEDIA, $s); + } else { + $directive = $this->pushSpecialBlock(Type::T_DIRECTIVE, $s); + $directive->name = $dirName; + } + + if (isset($dirValue)) { + $directive->value = $dirValue; + } + + return true; + } + + $this->seek($s); + + return false; + } + + // property shortcut + // captures most properties before having to parse a selector + if ($this->keyword($name, false) && + $this->literal(': ') && + $this->valueList($value) && + $this->end() + ) { + $name = [Type::T_STRING, '', [$name]]; + $this->append([Type::T_ASSIGN, $name, $value], $s); + + return true; + } + + $this->seek($s); + + // variable assigns + if ($this->variable($name) && + $this->literal(':') && + $this->valueList($value) && + $this->end() + ) { + // check for '!flag' + $assignmentFlags = $this->stripAssignmentFlags($value); + $this->append([Type::T_ASSIGN, $name, $value, $assignmentFlags], $s); + + return true; + } + + $this->seek($s); + + // misc + if ($this->literal('-->')) { + return true; + } + + // opening css block + if ($this->selectors($selectors) && $this->literal('{')) { + $this->pushBlock($selectors, $s); + + return true; + } + + $this->seek($s); + + // property assign, or nested assign + if ($this->propertyName($name) && $this->literal(':')) { + $foundSomething = false; + + if ($this->valueList($value)) { + $this->append([Type::T_ASSIGN, $name, $value], $s); + $foundSomething = true; + } + + if ($this->literal('{')) { + $propBlock = $this->pushSpecialBlock(Type::T_NESTED_PROPERTY, $s); + $propBlock->prefix = $name; + $foundSomething = true; + } elseif ($foundSomething) { + $foundSomething = $this->end(); + } + + if ($foundSomething) { + return true; + } + } + + $this->seek($s); + + // closing a block + if ($this->literal('}')) { + $block = $this->popBlock(); + + if (isset($block->type) && $block->type === Type::T_INCLUDE) { + $include = $block->child; + unset($block->child); + $include[3] = $block; + $this->append($include, $s); + } elseif (empty($block->dontAppend)) { + $type = isset($block->type) ? $block->type : Type::T_BLOCK; + $this->append([$type, $block], $s); + } + + return true; + } + + // extra stuff + if ($this->literal(';') || + $this->literal('')) { - return true; - } - - // opening css block - if ($this->selectors($selectors) && $this->literal('{')) { - $b = $this->pushBlock($selectors, $s); - - return true; - } - - $this->seek($s); - - // property assign, or nested assign - if ($this->propertyName($name) && $this->literal(':')) { - $foundSomething = false; - - if ($this->valueList($value)) { - $this->append(array('assign', $name, $value), $s); - $foundSomething = true; - } - - if ($this->literal('{')) { - $propBlock = $this->pushSpecialBlock('nestedprop', $s); - $propBlock->prefix = $name; - $foundSomething = true; - } elseif ($foundSomething) { - $foundSomething = $this->end(); - } - - if ($foundSomething) { - return true; - } - } - - $this->seek($s); - - // closing a block - if ($this->literal('}')) { - $block = $this->popBlock(); - - if (isset($block->type) && $block->type === 'include') { - $include = $block->child; - unset($block->child); - $include[3] = $block; - $this->append($include, $s); - } elseif (empty($block->dontAppend)) { - $type = isset($block->type) ? $block->type : 'block'; - $this->append(array($type, $block), $s); - } - - return true; - } - - // extra stuff - if ($this->literal(';') || - $this->literal('