From 0300f0d2a8f585744f9e4e5ae3c163c13adbec49 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Tim=20D=C3=BCsterhus?= Date: Fri, 21 Oct 2016 17:42:58 +0200 Subject: [PATCH] Update scssphp to 0.6.6 --- .../files/lib/system/style/scssphp/LICENSE.md | 20 + .../lib/system/style/scssphp/classmap.php | 63 - .../lib/system/style/scssphp/scss.inc.php | 15 +- .../system/style/scssphp/src/Base/Range.php | 2 +- .../lib/system/style/scssphp/src/Block.php | 60 + .../lib/system/style/scssphp/src/Colors.php | 9 +- .../lib/system/style/scssphp/src/Compiler.php | 2332 +++++++++++------ .../scssphp/src/Compiler/Environment.php | 40 + .../src/Exception/CompilerException.php | 21 + .../scssphp/src/Exception/ParserException.php | 21 + .../scssphp/src/Exception/ServerException.php | 21 + .../system/style/scssphp/src/Formatter.php | 91 +- .../style/scssphp/src/Formatter/Compact.php | 5 +- .../scssphp/src/Formatter/Compressed.php | 37 +- .../style/scssphp/src/Formatter/Crunched.php | 26 +- .../style/scssphp/src/Formatter/Debug.php | 119 + .../style/scssphp/src/Formatter/Expanded.php | 16 +- .../style/scssphp/src/Formatter/Nested.php | 161 +- .../scssphp/src/Formatter/OutputBlock.php | 50 + .../lib/system/style/scssphp/src/Node.php | 40 + .../system/style/scssphp/src/Node/Number.php | 329 +++ .../lib/system/style/scssphp/src/Parser.php | 1333 +++++----- .../lib/system/style/scssphp/src/Server.php | 59 +- .../lib/system/style/scssphp/src/Type.php | 69 + .../lib/system/style/scssphp/src/Util.php | 2 +- .../lib/system/style/scssphp/src/Version.php | 2 +- .../install/files/style/ui/imageViewer.scss | 8 +- 27 files changed, 3341 insertions(+), 1610 deletions(-) create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/LICENSE.md delete mode 100644 wcfsetup/install/files/lib/system/style/scssphp/classmap.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Block.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Compiler/Environment.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Exception/CompilerException.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ParserException.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ServerException.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Debug.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/OutputBlock.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Node.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Node/Number.php create mode 100644 wcfsetup/install/files/lib/system/style/scssphp/src/Type.php diff --git a/wcfsetup/install/files/lib/system/style/scssphp/LICENSE.md b/wcfsetup/install/files/lib/system/style/scssphp/LICENSE.md new file mode 100644 index 0000000000..2f5412f9b5 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/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/style/scssphp/classmap.php b/wcfsetup/install/files/lib/system/style/scssphp/classmap.php deleted file mode 100644 index 2d8a52b8e5..0000000000 --- a/wcfsetup/install/files/lib/system/style/scssphp/classmap.php +++ /dev/null @@ -1,63 +0,0 @@ - */ diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Block.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Block.php new file mode 100644 index 0000000000..6b972a1b98 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Block.php @@ -0,0 +1,60 @@ + + */ +class Block +{ + /** + * @var string + */ + public $type; + + /** + * @var \Leafo\ScssPhp\Block + */ + public $parent; + + /** + * @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/style/scssphp/src/Colors.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Colors.php index dd32be2146..ff48c199ee 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Colors.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Colors.php @@ -22,8 +22,10 @@ class Colors * CSS Colors * * @see http://www.w3.org/TR/css3-color + * + * @var array */ - public static $cssColors = array( + public static $cssColors = [ 'aliceblue' => '240,248,255', 'antiquewhite' => '250,235,215', 'aqua' => '0,255,255', @@ -143,6 +145,7 @@ class Colors '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', @@ -171,6 +174,6 @@ class Colors 'white' => '255,255,255', 'whitesmoke' => '245,245,245', 'yellow' => '255,255,0', - 'yellowgreen' => '154,205,50' - ); + 'yellowgreen' => '154,205,50', + ]; } diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Compiler.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Compiler.php index bef345bc6c..592f53b93b 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Compiler.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Compiler.php @@ -12,7 +12,13 @@ namespace Leafo\ScssPhp; use Leafo\ScssPhp\Base\Range; +use Leafo\ScssPhp\Block; use Leafo\ScssPhp\Colors; +use Leafo\ScssPhp\Compiler\Environment; +use Leafo\ScssPhp\Exception\CompilerException; +use Leafo\ScssPhp\Formatter\OutputBlock; +use Leafo\ScssPhp\Node; +use Leafo\ScssPhp\Type; use Leafo\ScssPhp\Parser; use Leafo\ScssPhp\Util; @@ -53,82 +59,99 @@ class Compiler const LINE_COMMENTS = 1; const DEBUG_INFO = 2; - /** - * @var array - */ - static protected $operatorNames = array( - '+' => 'add', - '-' => 'sub', - '*' => 'mul', - '/' => 'div', - '%' => 'mod', - - '==' => 'eq', - '!=' => 'neq', - '<' => 'lt', - '>' => 'gt', - - '<=' => 'lte', - '>=' => 'gte', - ); + const WITH_RULE = 1; + const WITH_MEDIA = 2; + const WITH_SUPPORTS = 4; + const WITH_ALL = 7; /** * @var array */ - static protected $namespaces = array( - 'special' => '%', - 'mixin' => '@', - 'function' => '^', - ); + static protected $operatorNames = [ + '+' => 'add', + '-' => 'sub', + '*' => 'mul', + '/' => 'div', + '%' => 'mod', + + '==' => 'eq', + '!=' => 'neq', + '<' => 'lt', + '>' => 'gt', + + '<=' => 'lte', + '>=' => 'gte', + '<=>' => 'cmp', + ]; /** * @var array */ - static protected $unitTable = array( - 'in' => array( - 'in' => 1, - 'pt' => 72, - 'pc' => 6, - 'cm' => 2.54, - 'mm' => 25.4, - 'px' => 96, - 'q' => 101.6, - ) - ); - - static public $true = array('keyword', 'true'); - static public $false = array('keyword', 'false'); - static public $null = array('null'); - static public $defaultValue = array('keyword', ''); - static public $selfSelector = array('self'); - static public $emptyList = array('list', '', array()); - static public $emptyMap = array('map', array(), array()); - static public $emptyString = array('string', '"', array()); - - protected $importPaths = array(''); - protected $importCache = array(); - protected $userFunctions = array(); - protected $registeredVars = array(); - - protected $numberPrecision = 5; + 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 $formatter = 'Leafo\ScssPhp\Formatter\Nested'; + protected $rootEnv; + protected $rootBlock; + + protected $env; + protected $scope; + protected $storeEnv; + protected $charsetSeen; + protected $sourceNames; + private $indentLevel; private $commentsSeen; private $extends; private $extendsMap; private $parsedFiles; - private $env; - private $scope; private $parser; - private $sourcePos; - private $sourceParser; - private $storeEnv; - private $charsetSeen; + private $sourceIndex; + private $sourceLine; + private $sourceColumn; private $stderr; private $shouldEvaluate; + private $ignoreErrors; + + /** + * Constructor + */ + public function __construct() + { + $this->parsedFiles = []; + $this->sourceNames = []; + } /** * Compile scss @@ -136,32 +159,37 @@ class Compiler * @api * * @param string $code - * @param string $name + * @param string $path * * @return string */ - public function compile($code, $name = null) + public function compile($code, $path = null) { - $this->indentLevel = -1; - $this->commentsSeen = array(); - $this->extends = array(); - $this->extendsMap = array(); - $this->parsedFiles = array(); - $this->env = null; - $this->scope = null; - - $this->stderr = fopen('php://stderr', 'w'); - $locale = setlocale(LC_NUMERIC, 0); setlocale(LC_NUMERIC, 'C'); - $this->parser = new Parser($name); - + $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->rootEnv = $this->pushEnv($tree); $this->injectVariables($this->registeredVars); $this->compileRoot($tree); $this->popEnv(); @@ -173,6 +201,23 @@ class Compiler 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? * @@ -195,23 +240,24 @@ class Compiler /** * Push extends * - * @param array $target - * @param array $origin + * @param array $target + * @param array $origin + * @param \stdClass $block */ - protected function pushExtends($target, $origin) + protected function pushExtends($target, $origin, $block) { if ($this->isSelfExtend($target, $origin)) { return; } $i = count($this->extends); - $this->extends[] = array($target, $origin); + $this->extends[] = [$target, $origin, $block]; foreach ($target as $part) { if (isset($this->extendsMap[$part])) { $this->extendsMap[$part][] = $i; } else { - $this->extendsMap[$part] = array($i); + $this->extendsMap[$part] = [$i]; } } } @@ -222,17 +268,17 @@ class Compiler * @param string $type * @param array $selectors * - * @return \stdClass + * @return \Leafo\ScssPhp\Formatter\OutputBlock */ protected function makeOutputBlock($type, $selectors = null) { - $out = new \stdClass; - $out->type = $type; - $out->lines = array(); - $out->children = array(); - $out->parent = $this->scope; + $out = new OutputBlock; + $out->type = $type; + $out->lines = []; + $out->children = []; + $out->parent = $this->scope; $out->selectors = $selectors; - $out->depth = $this->env->depth; + $out->depth = $this->env->depth; return $out; } @@ -240,26 +286,52 @@ class Compiler /** * Compile root * - * @param \stdClass $rootBlock + * @param \Leafo\ScssPhp\Block $rootBlock */ - protected function compileRoot($rootBlock) + protected function compileRoot(Block $rootBlock) { - $this->scope = $this->makeOutputBlock('root'); + $this->rootBlock = $this->scope = $this->makeOutputBlock(Type::T_ROOT); - $this->compileChildren($rootBlock->children, $this->scope); + $this->compileChildrenNoReturn($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 \stdClass $block - * @parent string $parentKey + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + * @param string $parentKey */ - protected function flattenSelectors($block, $parentKey = null) + protected function flattenSelectors(OutputBlock $block, $parentKey = null) { if ($block->selectors) { - $selectors = array(); + $selectors = []; foreach ($block->selectors as $s) { $selectors[] = $s; @@ -274,16 +346,18 @@ class Compiler // remove duplicates array_walk($selectors, function (&$value) { - $value = json_encode($value); + $value = serialize($value); }); + $selectors = array_unique($selectors); + array_walk($selectors, function (&$value) { - $value = json_decode($value); + $value = unserialize($value); }); } } - $block->selectors = array(); + $block->selectors = []; $placeholderSelector = false; foreach ($selectors as $selector) { @@ -323,23 +397,42 @@ class Compiler } if ($this->matchExtendsSingle($part, $origin)) { - $before = array_slice($selector, 0, $i); $after = array_slice($selector, $i + 1); - $s = count($before); + $before = array_slice($selector, 0, $i); + + list($before, $nonBreakableBefore) = $this->extractRelationshipFromFragment($before); foreach ($origin as $new) { $k = 0; // remove shared parts if ($initial) { - while ($k < $s && isset($new[$k]) && $before[$k] === $new[$k]) { + 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, - $k > 0 ? array_slice($new, $k) : $new, + $mergedBefore, + $replacement, $after ); @@ -350,14 +443,22 @@ class Compiler $out[] = $result; // recursively check for more matches - $this->matchExtends($result, $out, $i, false); + $this->matchExtends($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); + $result2 = array_merge( - array_slice($new, 0, -1), - $k > 0 ? array_slice($before, $k) : $before, - array_slice($new, -1), + $sharedParts, + $injectBetweenSharedParts, + $postSharedParts, + $nonBreakable2, + $nonBreakableBefore, + $replacement, $after ); @@ -378,8 +479,8 @@ class Compiler */ protected function matchExtendsSingle($rawSingle, &$outOrigin) { - $counts = array(); - $single = array(); + $counts = []; + $single = []; foreach ($rawSingle as $part) { // matches Number @@ -394,6 +495,13 @@ class Compiler } } + $extendingDecoratedTag = false; + + if (count($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) { @@ -402,17 +510,19 @@ class Compiler } } - $outOrigin = array(); + $outOrigin = []; $found = false; foreach ($counts as $idx => $count) { - list($target, $origin) = $this->extends[$idx]; + 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) { @@ -421,7 +531,21 @@ class Compiler return false; } - $origin[$j][count($origin[$j]) - 1] = $this->combineSelectorSingle(end($new), $rem); + $replacement = end($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); @@ -432,6 +556,39 @@ class Compiler 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, $children]; + } + /** * Combine selector single * @@ -442,21 +599,28 @@ class Compiler */ protected function combineSelectorSingle($base, $other) { - $tag = null; - $out = array(); + $tag = []; + $out = []; + $wasTag = true; - foreach (array($base, $other) as $single) { + foreach ([$base, $other] as $single) { foreach ($single as $part) { - if (preg_match('/^[^\[.#:]/', $part)) { - $tag = $part; - } else { + 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] .= $part; } } } - if ($tag) { - array_unshift($out, $tag); + if (count($tag)) { + array_unshift($out, $tag[0]); } return $out; @@ -465,16 +629,16 @@ class Compiler /** * Compile media * - * @param \stdClass $media + * @param \Leafo\ScssPhp\Block $media */ - protected function compileMedia($media) + protected function compileMedia(Block $media) { $this->pushEnv($media); $mediaQuery = $this->compileMediaQuery($this->multiplyMedia($this->env)); if (! empty($mediaQuery)) { - $this->scope = $this->makeOutputBlock('media', array($mediaQuery)); + $this->scope = $this->makeOutputBlock(Type::T_MEDIA, [$mediaQuery]); $parentScope = $this->mediaParent($this->scope); $parentScope->children[] = $this->scope; @@ -485,21 +649,30 @@ class Compiler foreach ($media->children as $child) { $type = $child[0]; - if ($type !== 'block' && $type !== 'media' && $type !== 'directive') { + if ($type !== Type::T_BLOCK && + $type !== Type::T_MEDIA && + $type !== Type::T_DIRECTIVE && + $type !== Type::T_IMPORT + ) { $needsWrap = true; break; } } if ($needsWrap) { - $wrapped = (object)array( - 'selectors' => array(), - 'children' => $media->children - ); - $media->children = array(array('block', $wrapped)); + $wrapped = new Block; + $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]]; } - $this->compileChildren($media->children, $this->scope); + $this->compileChildrenNoReturn($media->children, $this->scope); $this->scope = $this->scope->parent; } @@ -510,14 +683,14 @@ class Compiler /** * Media parent * - * @param \stdClass $scope + * @param \Leafo\ScssPhp\Formatter\OutputBlock $scope * - * @return \stdClass + * @return \Leafo\ScssPhp\Formatter\OutputBlock */ - protected function mediaParent($scope) + protected function mediaParent(OutputBlock $scope) { while (! empty($scope->parent)) { - if (! empty($scope->type) && $scope->type !== 'media') { + if (! empty($scope->type) && $scope->type !== Type::T_MEDIA) { break; } @@ -528,21 +701,280 @@ class Compiler } /** - * Compile nested block + * Compile directive * - * @todo refactor compileNestedBlock and compileMedia into same thing? + * @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 \stdClass $block - * @param array $selectors + * @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) : self::WITH_RULE; + + // wrap inline selector + if ($block->selector) { + $wrapped = new Block; + $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->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 + $without = self::WITH_RULE; + + if ($this->libMapHasKey([$with, self::$with])) { + $without = self::WITH_ALL; + + $list = $this->coerceList($this->libMapGet([$with, self::$with])); + + foreach ($list[2] as $item) { + $keyword = $this->compileStringContent($this->coerceString($item)); + + if (array_key_exists($keyword, $mapping)) { + $without &= ~($mapping[$keyword]); + } + } + } + + if ($this->libMapHasKey([$with, self::$without])) { + $without = 0; + + $list = $this->coerceList($this->libMapGet([$with, self::$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 & self::WITH_RULE) && isset($block->selectors)) || + (($without & self::WITH_MEDIA) && + isset($block->type) && $block->type === Type::T_MEDIA) || + (($without & self::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 $selectors */ - protected function compileNestedBlock($block, $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; - $this->compileChildren($block->children, $this->scope); + $this->compileChildrenNoReturn($block->children, $this->scope); $this->scope = $this->scope->parent; @@ -565,22 +997,21 @@ class Compiler * * @see Compiler::compileChild() * - * @param \stdClass $block + * @param \Leafo\ScssPhp\Block $block */ - protected function compileBlock($block) + protected function compileBlock(Block $block) { $env = $this->pushEnv($block); - $env->selectors = $this->evalSelectors($block->selectors); - $out = $this->makeOutputBlock(null, $this->multiplySelectors($env)); + $out = $this->makeOutputBlock(null); if (isset($this->lineNumberStyle) && count($env->selectors) && count($block->children)) { - $annotation = $this->makeOutputBlock('comment'); + $annotation = $this->makeOutputBlock(Type::T_COMMENT); $annotation->depth = 0; - $file = $block->sourceParser->getSourceName(); - $line = $block->sourceParser->getLineNo($block->sourcePosition); + $file = $this->sourceNames[$block->sourceIndex]; + $line = $block->sourceLine; switch ($this->lineNumberStyle) { case self::LINE_COMMENTS: @@ -598,7 +1029,11 @@ class Compiler $this->scope->children[] = $out; - $this->compileChildren($block->children, $out); + if (count($block->children)) { + $out->selectors = $this->multiplySelectors($env); + + $this->compileChildrenNoReturn($block->children, $out); + } $this->formatter->stripSemicolon($out->lines); @@ -612,7 +1047,7 @@ class Compiler */ protected function compileComment($block) { - $out = $this->makeOutputBlock('comment'); + $out = $this->makeOutputBlock(Type::T_COMMENT); $out->lines[] = $block[1]; $this->scope->children[] = $out; } @@ -628,15 +1063,15 @@ class Compiler { $this->shouldEvaluate = false; - $selectors = array_map(array($this, 'evalSelector'), $selectors); + $selectors = array_map([$this, 'evalSelector'], $selectors); // after evaluating interpolates, we might need a second pass if ($this->shouldEvaluate) { $buffer = $this->collapseSelectors($selectors); - $parser = new Parser(__METHOD__, false); + $parser = $this->parserFactory(__METHOD__); if ($parser->parseSelector($buffer, $newSelectors)) { - $selectors = array_map(array($this, 'evalSelector'), $newSelectors); + $selectors = array_map([$this, 'evalSelector'], $newSelectors); } } @@ -652,7 +1087,7 @@ class Compiler */ protected function evalSelector($selector) { - return array_map(array($this, 'evalSelectorPart'), $selector); + return array_map([$this, 'evalSelectorPart'], $selector); } /** @@ -665,7 +1100,7 @@ class Compiler protected function evalSelectorPart($part) { foreach ($part as &$p) { - if (is_array($p) && ($p[0] === 'interpolate' || $p[0] === 'string')) { + if (is_array($p) && ($p[0] === Type::T_INTERPOLATE || $p[0] === Type::T_STRING)) { $p = $this->compileValue($p); // force re-evaluation @@ -692,7 +1127,7 @@ class Compiler */ protected function collapseSelectors($selectors) { - $parts = array(); + $parts = []; foreach ($selectors as $selector) { $output = ''; @@ -719,7 +1154,7 @@ class Compiler */ protected function flattenSelectorSingle($single) { - $joined = array(); + $joined = []; foreach ($single as $part) { if (empty($joined) || @@ -756,7 +1191,7 @@ class Compiler return implode( ' ', array_map( - array($this, 'compileSelectorPart'), + [$this, 'compileSelectorPart'], $selector ) ); @@ -777,7 +1212,7 @@ class Compiler } switch ($p[0]) { - case 'self': + case Type::T_SELF: $p = '&'; break; @@ -805,7 +1240,7 @@ class Compiler foreach ($selector as $parts) { foreach ($parts as $part) { - if ('%' === $part[0]) { + if (strlen($part) && '%' === $part[0]) { return true; } } @@ -815,14 +1250,14 @@ class Compiler } /** - * Compile children + * Compile children and return result * - * @param array $stms - * @param array $out + * @param array $stms + * @param \Leafo\ScssPhp\Formatter\OutputBlock $out * * @return array */ - protected function compileChildren($stms, $out) + protected function compileChildren($stms, OutputBlock $out) { foreach ($stms as $stm) { $ret = $this->compileChild($stm, $out); @@ -833,6 +1268,27 @@ class Compiler } } + /** + * 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)) { + $this->throwError('@return may only be used within a function'); + + return; + } + } + } + /** * Compile media query * @@ -847,26 +1303,26 @@ class Compiler foreach ($queryList as $query) { $type = null; - $parts = array(); + $parts = []; foreach ($query as $q) { switch ($q[0]) { - case 'mediaType': + case Type::T_MEDIA_TYPE: if ($type) { $type = $this->mergeMediaTypes( $type, - array_map(array($this, 'compileValue'), array_slice($q, 1)) + array_map([$this, 'compileValue'], array_slice($q, 1)) ); if (empty($type)) { // merge failed return null; } } else { - $type = array_map(array($this, 'compileValue'), array_slice($q, 1)); + $type = array_map([$this, 'compileValue'], array_slice($q, 1)); } break; - case 'mediaExp': + case Type::T_MEDIA_EXPRESSION: if (isset($q[2])) { $parts[] = '(' . $this->compileValue($q[1]) @@ -879,6 +1335,10 @@ class Compiler . ')'; } break; + + case Type::T_MEDIA_VALUE: + $parts[] = $this->compileValue($q[1]); + break; } } @@ -901,6 +1361,37 @@ class Compiler 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 * @@ -939,24 +1430,24 @@ class Compiler $t2 = strtolower($type2[0]); } - if (($m1 === 'not') ^ ($m2 === 'not')) { + if (($m1 === Type::T_NOT) ^ ($m2 === Type::T_NOT)) { if ($t1 === $t2) { return null; } - return array( - $m1 === 'not' ? $m2 : $m1, - $m1 === 'not' ? $t2 : $t1 - ); + return [ + $m1 === Type::T_NOT ? $m2 : $m1, + $m1 === Type::T_NOT ? $t2 : $t1, + ]; } - if ($m1 === 'not' && $m2 === 'not') { + if ($m1 === Type::T_NOT && $m2 === Type::T_NOT) { // CSS has no way of representing "neither screen nor print" if ($t1 !== $t2) { return null; } - return array('not', $t1); + return [Type::T_NOT, $t1]; } if ($t1 !== $t2) { @@ -964,24 +1455,28 @@ class Compiler } // t1 == t2, neither m1 nor m2 are "not" - return array(empty($m1)? $m2 : $m1, $t1); + return [empty($m1)? $m2 : $m1, $t1]; } /** * Compile import; returns true if the value was something that could be imported * - * @param array $rawPath - * @param array $out + * @param array $rawPath + * @param array $out + * @param boolean $once * * @return boolean */ - protected function compileImport($rawPath, $out) + protected function compileImport($rawPath, $out, $once = false) { - if ($rawPath[0] === 'string') { + if ($rawPath[0] === Type::T_STRING) { $path = $this->compileStringContent($rawPath); if ($path = $this->findImport($path)) { - $this->importFile($path, $out); + if (! $once || ! in_array($path, $this->importedFiles)) { + $this->importFile($path, $out); + $this->importedFiles[] = $path; + } return true; } @@ -989,14 +1484,14 @@ class Compiler return false; } - if ($rawPath[0] === 'list') { + 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] !== 'string') { + if ($path[0] !== Type::T_STRING) { return false; } } @@ -1014,48 +1509,55 @@ class Compiler /** * Compile child; returns a value to halt execution * - * @param array $child - * @param \stdClass $out + * @param array $child + * @param \Leafo\ScssPhp\Formatter\OutputBlock $out * * @return array */ - protected function compileChild($child, $out) + protected function compileChild($child, OutputBlock $out) { - $this->sourcePos = isset($child[Parser::SOURCE_POSITION]) ? $child[Parser::SOURCE_POSITION] : -1; - $this->sourceParser = isset($child[Parser::SOURCE_PARSER]) ? $child[Parser::SOURCE_PARSER] : $this->parser; + $this->sourceIndex = isset($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 'import': + case Type::T_SCSSPHP_IMPORT_ONCE: list(, $rawPath) = $child; $rawPath = $this->reduce($rawPath); - if (! $this->compileImport($rawPath, $out)) { + if (! $this->compileImport($rawPath, $out, true)) { $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';'; } break; - case 'directive': - list(, $directive) = $child; + case Type::T_IMPORT: + list(, $rawPath) = $child; - $s = '@' . $directive->name; + $rawPath = $this->reduce($rawPath); - if (! empty($directive->value)) { - $s .= ' ' . $this->compileValue($directive->value); + if (! $this->compileImport($rawPath, $out)) { + $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';'; } + break; + + case Type::T_DIRECTIVE: + $this->compileDirective($child[1]); + break; - $this->compileNestedBlock($directive, array($s)); + case Type::T_AT_ROOT: + $this->compileAtRoot($child[1]); break; - case 'media': + case Type::T_MEDIA: $this->compileMedia($child[1]); break; - case 'block': + case Type::T_BLOCK: $this->compileBlock($child[1]); break; - case 'charset': + case Type::T_CHARSET: if (! $this->charsetSeen) { $this->charsetSeen = true; @@ -1063,13 +1565,13 @@ class Compiler } break; - case 'assign': + case Type::T_ASSIGN: list(, $name, $value) = $child; - if ($name[0] === 'var') { - $flag = isset($child[3]) ? $child[3] : null; - $isDefault = $flag === '!default'; - $isGlobal = $flag === '!global'; + if ($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, $this->rootEnv); @@ -1090,11 +1592,11 @@ class Compiler // handle shorthand syntax: size / line-height if ($compiledName === 'font') { - if ($value[0] === 'exp' && $value[1] === '/') { + if ($value[0] === Type::T_EXPRESSION && $value[1] === '/') { $value = $this->expToString($value); - } elseif ($value[0] === 'list') { + } elseif ($value[0] === Type::T_LIST) { foreach ($value[2] as &$item) { - if ($item[0] === 'exp' && $item[1] === '/') { + if ($item[0] === Type::T_EXPRESSION && $item[1] === '/') { $item = $this->expToString($item); } } @@ -1103,10 +1605,10 @@ class Compiler // if the value reduces to null from something else then // the property should be discarded - if ($value[0] !== 'null') { + if ($value[0] !== Type::T_NULL) { $value = $this->reduce($value); - if ($value[0] === 'null') { + if ($value[0] === Type::T_NULL || $value === self::$nullString) { break; } } @@ -1119,8 +1621,8 @@ class Compiler ); break; - case 'comment': - if ($out->type === 'root') { + case Type::T_COMMENT: + if ($out->type === Type::T_ROOT) { $this->compileComment($child); break; } @@ -1128,26 +1630,29 @@ class Compiler $out->lines[] = $child[1]; break; - case 'mixin': - case 'function': + case Type::T_MIXIN: + case Type::T_FUNCTION: list(, $block) = $child; $this->set(self::$namespaces[$block->type] . $block->name, $block); break; - case 'extend': + case Type::T_EXTEND: list(, $selectors) = $child; foreach ($selectors as $sel) { - // only use the first one - $result = $this->evalSelectors(array($sel)); - $result = current($result[0]); + $results = $this->evalSelectors([$sel]); - $this->pushExtends($result, $out->selectors); + foreach ($results as $result) { + // only use the first one + $result = current($result); + + $this->pushExtends($result, $out->selectors, $child); + } } break; - case 'if': + case Type::T_IF: list(, $if) = $child; if ($this->isTruthy($this->reduce($if->cond, true))) { @@ -1155,18 +1660,15 @@ class Compiler } foreach ($if->cases as $case) { - if ($case->type === 'else' || - $case->type === 'elseif' && $this->isTruthy($this->reduce($case->cond)) + if ($case->type === Type::T_ELSE || + $case->type === Type::T_ELSEIF && $this->isTruthy($this->reduce($case->cond)) ) { return $this->compileChildren($case->children, $out); } } break; - case 'return': - return $this->reduce($child[1], true); - - case 'each': + case Type::T_EACH: list(, $each) = $child; $list = $this->coerceList($this->reduce($each->list)); @@ -1187,28 +1689,40 @@ class Compiler $ret = $this->compileChildren($each->children, $out); if ($ret) { - $this->popEnv(); + if ($ret[0] !== Type::T_CONTROL) { + $this->popEnv(); + + return $ret; + } - return $ret; + if ($ret[1]) { + break; + } } } $this->popEnv(); break; - case 'while': + case Type::T_WHILE: list(, $while) = $child; while ($this->isTruthy($this->reduce($while->cond, true))) { $ret = $this->compileChildren($while->children, $out); if ($ret) { - return $ret; + if ($ret[0] !== Type::T_CONTROL) { + return $ret; + } + + if ($ret[1]) { + break; + } } } break; - case 'for': + case Type::T_FOR: list(, $for) = $child; $start = $this->reduce($for->start, true); @@ -1217,46 +1731,63 @@ class Compiler $end = $end[1]; $d = $start < $end ? 1 : -1; - while (true) { + for (;;) { if ((! $for->until && $start - $d == $end) || ($for->until && $start == $end) ) { break; } - $this->set($for->var, array('number', $start, '')); + $this->set($for->var, new Node\Number($start, '')); $start += $d; $ret = $this->compileChildren($for->children, $out); if ($ret) { - return $ret; + if ($ret[0] !== Type::T_CONTROL) { + return $ret; + } + + if ($ret[1]) { + break; + } } } break; - case 'nestedprop': + 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 = array(); + $prefixed = []; $prefix = $this->compileValue($prop->prefix) . '-'; foreach ($prop->children as $child) { - if ($child[0] === 'assign') { - array_unshift($child[1][2], $prefix); - } - - if ($child[0] === 'nestedprop') { - array_unshift($child[1]->prefix[2], $prefix); + switch ($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; } - $this->compileChildren($prefixed, $out); + $this->compileChildrenNoReturn($prefixed, $out); break; - case 'include': + case Type::T_INCLUDE: // including a mixin list(, $name, $argValues, $content) = $child; @@ -1264,18 +1795,22 @@ class Compiler if (! $mixin) { $this->throwError("Undefined mixin $name"); + break; } - $callingScope = $this->env; + $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; - $this->setRaw(self::$namespaces['special'] . 'content', $content); + $this->setRaw(self::$namespaces['special'] . 'content', $content, $this->env); } if (isset($mixin->args)) { @@ -1284,58 +1819,60 @@ class Compiler $this->env->marker = 'mixin'; - foreach ($mixin->children as $child) { - $this->compileChild($child, $out); - } + $this->compileChildrenNoReturn($mixin->children, $out); + + $this->storeEnv = $storeEnv; $this->popEnv(); break; - case 'mixin_content': - $content = $this->get(self::$namespaces['special'] . 'content', false); + case Type::T_MIXIN_CONTENT: + $content = $this->get(self::$namespaces['special'] . 'content', false, $this->getStoreEnv()) + ?: $this->get(self::$namespaces['special'] . 'content', false, $this->env); if (! $content) { - $this->throwError('Expected @content inside of mixin'); - } - - if (! isset($content->children)) { + $content = new \stdClass(); + $content->scope = new \stdClass(); + $content->children = $this->storeEnv->parent->block->children; break; } + $storeEnv = $this->storeEnv; $this->storeEnv = $content->scope; - foreach ($content->children as $child) { - $this->compileChild($child, $out); - } - - $this->storeEnv = null; + $this->compileChildrenNoReturn($content->children, $out); + $this->storeEnv = $storeEnv; break; - case 'debug': + case Type::T_DEBUG: list(, $value) = $child; - $line = $this->parser->getLineNo($this->sourcePos); + $line = $this->sourceLine; $value = $this->compileValue($this->reduce($value, true)); fwrite($this->stderr, "Line $line DEBUG: $value\n"); break; - case 'warn': + case Type::T_WARN: list(, $value) = $child; - $line = $this->parser->getLineNo($this->sourcePos); + $line = $this->sourceLine; $value = $this->compileValue($this->reduce($value, true)); - echo "Line $line WARN: $value\n"; + fwrite($this->stderr, "Line $line WARN: $value\n"); break; - case 'error': + case Type::T_ERROR: list(, $value) = $child; - $line = $this->parser->getLineNo($this->sourcePos); + $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: $child[0]"); } @@ -1350,9 +1887,9 @@ class Compiler */ protected function expToString($exp) { - list(, $op, $left, $right, $inParens, $whiteLeft, $whiteRight) = $exp; + list(, $op, $left, $right, /* $inParens */, $whiteLeft, $whiteRight) = $exp; - $content = array($this->reduce($left)); + $content = [$this->reduce($left)]; if ($whiteLeft) { $content[] = ' '; @@ -1366,7 +1903,7 @@ class Compiler $content[] = $this->reduce($right); - return array('string', '', $content); + return [Type::T_STRING, '', $content]; } /** @@ -1381,6 +1918,18 @@ class Compiler return $value !== self::$false && $value !== self::$null; } + /** + * Is the value a direct relationship combinator? + * + * @param string $value + * + * @return bool + */ + protected function isImmediateRelationshipCombinator($value) + { + return $value === '>' || $value === '+' || $value === '~'; + } + /** * Should $value cause its operand to eval * @@ -1391,14 +1940,14 @@ class Compiler protected function shouldEval($value) { switch ($value[0]) { - case 'exp': + case Type::T_EXPRESSION: if ($value[1] === '/') { return $this->shouldEval($value[2], $value[3]); } // fall-thru - case 'var': - case 'fncall': + case Type::T_VARIABLE: + case Type::T_FUNCTION_CALL: return true; } @@ -1418,17 +1967,23 @@ class Compiler list($type) = $value; switch ($type) { - case 'exp': + case Type::T_EXPRESSION: list(, $op, $left, $right, $inParens) = $value; $opName = isset(self::$operatorNames[$op]) ? self::$operatorNames[$op] : $op; $inExp = $inExp || $this->shouldEval($left) || $this->shouldEval($right); $left = $this->reduce($left, true); - $right = $this->reduce($right, true); - // special case: looks like css short-hand - if ($opName === 'div' && ! $inParens && ! $inExp && isset($right[2]) && $right[2] !== '') { + if ($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); } @@ -1448,47 +2003,49 @@ class Compiler // 3. op[op name] $fn = "op${ucOpName}${ucLType}${ucRType}"; - if (is_callable(array($this, $fn)) || + if (is_callable([$this, $fn]) || (($fn = "op${ucLType}${ucRType}") && - is_callable(array($this, $fn)) && + is_callable([$this, $fn]) && $passOp = true) || (($fn = "op${ucOpName}") && - is_callable(array($this, $fn)) && + is_callable([$this, $fn]) && $genOp = true) ) { - $unitChange = false; + $coerceUnit = false; if (! isset($genOp) && - $left[0] === 'number' && $right[0] === 'number' + $left[0] === Type::T_NUMBER && $right[0] === Type::T_NUMBER ) { - if ($opName === 'mod' && $right[2] !== '') { - $this->throwError("Cannot modulo by a number with units: $right[1]$right[2]."); - } + $coerceUnit = true; - $unitChange = true; - $emptyUnit = $left[2] === '' || $right[2] === ''; - $targetUnit = '' !== $left[2] ? $left[2] : $right[2]; + switch ($opName) { + case 'mul': + $targetUnit = $left[2]; - if ($opName !== 'mul') { - $left[2] = '' !== $left[2] ? $left[2] : $targetUnit; - $right[2] = '' !== $right[2] ? $right[2] : $targetUnit; - } + foreach ($right[2] as $unit => $exp) { + $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) + $exp; + } + break; - if ($opName !== 'mod') { - $left = $this->normalizeNumber($left); - $right = $this->normalizeNumber($right); - } + case 'div': + $targetUnit = $left[2]; + + foreach ($right[2] as $unit => $exp) { + $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) - $exp; + } + break; + + case 'mod': + $targetUnit = $left[2]; + break; - if ($opName === 'div' && ! $emptyUnit && $left[2] === $right[2]) { - $targetUnit = ''; + default: + $targetUnit = $left->unitless() ? $right[2] : $left[2]; } - if ($opName === 'mul') { - $left[2] = '' !== $left[2] ? $left[2] : $right[2]; - $right[2] = '' !== $right[2] ? $right[2] : $left[2]; - } elseif ($opName === 'div' && $left[2] === $right[2]) { - $left[2] = ''; - $right[2] = ''; + if (! $left->unitless() && ! $right->unitless()) { + $left = $left->normalize(); + $right = $right->normalize(); } } @@ -1501,8 +2058,8 @@ class Compiler } if (isset($out)) { - if ($unitChange && $out[0] === 'number') { - $out = $this->coerceUnit($out, $targetUnit); + if ($coerceUnit && $out[0] === Type::T_NUMBER) { + $out = $out->coerce($targetUnit); } return $out; @@ -1511,27 +2068,25 @@ class Compiler return $this->expToString($value); - case 'unary': + case Type::T_UNARY: list(, $op, $exp, $inParens) = $value; $inExp = $inExp || $this->shouldEval($exp); $exp = $this->reduce($exp); - if ($exp[0] === 'number') { + if ($exp[0] === Type::T_NUMBER) { switch ($op) { case '+': - return $exp; + return new Node\Number($exp[1], $exp[2]); case '-': - $exp[1] *= -1; - - return $exp; + return new Node\Number(-$exp[1], $exp[2]); } } if ($op === 'not') { if ($inExp || $inParens) { - if ($exp === self::$false) { + if ($exp === self::$false || $exp === self::$null) { return self::$true; } @@ -1541,21 +2096,21 @@ class Compiler $op = $op . ' '; } - return array('string', '', array($op, $exp)); + return [Type::T_STRING, '', [$op, $exp]]; - case 'var': + case Type::T_VARIABLE: list(, $name) = $value; return $this->reduce($this->get($name)); - case 'list': + case Type::T_LIST: foreach ($value[2] as &$item) { $item = $this->reduce($item); } return $value; - case 'map': + case Type::T_MAP: foreach ($value[1] as &$item) { $item = $this->reduce($item); } @@ -1566,66 +2121,60 @@ class Compiler return $value; - case 'string': + case Type::T_STRING: foreach ($value[2] as &$item) { - if (is_array($item)) { + if (is_array($item) || $item instanceof \ArrayAccess) { $item = $this->reduce($item); } } return $value; - case 'interpolate': + case Type::T_INTERPOLATE: $value[1] = $this->reduce($value[1]); return $value; - case 'fncall': + case Type::T_FUNCTION_CALL: list(, $name, $argValues) = $value; - // user defined function? - $func = $this->get(self::$namespaces['function'] . $name, false); - - if ($func) { - $this->pushEnv(); - - // set the args - if (isset($func->args)) { - $this->applyArguments($func->args, $argValues); - } - - // throw away lines and children - $tmp = (object)array( - 'lines' => array(), - 'children' => array() - ); + return $this->fncall($name, $argValues); - $ret = $this->compileChildren($func->children, $tmp); - - $this->popEnv(); - - return ! isset($ret) ? self::$defaultValue : $ret; - } - - // built in function - if ($this->callBuiltin($name, $argValues, $returnValue)) { - return $returnValue; - } + default: + return $value; + } + } - // need to flatten the arguments into a list - $listArgs = array(); + /** + * 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 $returnValue; + } - foreach ((array)$argValues as $arg) { - if (empty($arg[0])) { - $listArgs[] = $this->reduce($arg[1]); - } - } + // native PHP functions + if ($this->callNativeFunction($name, $argValues, $returnValue)) { + return $returnValue; + } - return array('function', $name, array('list', ',', $listArgs)); + // for CSS functions, simply flatten the arguments into a list + $listArgs = []; - default: - return $value; + foreach ((array) $argValues as $arg) { + if (empty($arg[0])) { + $listArgs[] = $this->reduce($arg[1]); + } } + + return [Type::T_FUNCTION, $name, [Type::T_LIST, ',', $listArgs]]; } /** @@ -1653,11 +2202,11 @@ class Compiler list($type) = $value; switch ($type) { - case 'list': + case Type::T_LIST: $value = $this->extractInterpolation($value); - if ($value[0] !== 'list') { - return array('keyword', $this->compileValue($value)); + if ($value[0] !== Type::T_LIST) { + return [Type::T_KEYWORD, $this->compileValue($value)]; } foreach ($value[2] as $key => $item) { @@ -1666,37 +2215,20 @@ class Compiler return $value; - case 'string': - return array($type, '"', $this->compileStringContent($value)); + case Type::T_STRING: + return [$type, '"', [$this->compileStringContent($value)]]; + + case Type::T_NUMBER: + return $value->normalize(); - case 'number': - return $this->normalizeNumber($value); + case Type::T_INTERPOLATE: + return [Type::T_KEYWORD, $this->compileValue($value)]; default: return $value; } } - /** - * Normalize number; just does physical lengths for now - * - * @param array $number - * - * @return array - */ - protected function normalizeNumber($number) - { - list(, $value, $unit) = $number; - - if (isset(self::$unitTable['in'][$unit])) { - $conv = self::$unitTable['in'][$unit]; - - return array('number', $value / $conv, 'in'); - } - - return $number; - } - /** * Add numbers * @@ -1707,7 +2239,7 @@ class Compiler */ protected function opAddNumberNumber($left, $right) { - return array('number', $left[1] + $right[1], $left[2]); + return new Node\Number($left[1] + $right[1], $left[2]); } /** @@ -1720,7 +2252,7 @@ class Compiler */ protected function opMulNumberNumber($left, $right) { - return array('number', $left[1] * $right[1], $left[2]); + return new Node\Number($left[1] * $right[1], $left[2]); } /** @@ -1733,7 +2265,7 @@ class Compiler */ protected function opSubNumberNumber($left, $right) { - return array('number', $left[1] - $right[1], $left[2]); + return new Node\Number($left[1] - $right[1], $left[2]); } /** @@ -1747,10 +2279,10 @@ class Compiler protected function opDivNumberNumber($left, $right) { if ($right[1] == 0) { - $this->throwError('Division by zero'); + return [Type::T_STRING, '', [$left[1] . $left[2] . '/' . $right[1] . $right[2]]]; } - return array('number', $left[1] / $right[1], $left[2]); + return new Node\Number($left[1] / $right[1], $left[2]); } /** @@ -1763,7 +2295,7 @@ class Compiler */ protected function opModNumberNumber($left, $right) { - return array('number', $left[1] % $right[1], $left[2]); + return new Node\Number($left[1] % $right[1], $left[2]); } /** @@ -1777,7 +2309,7 @@ class Compiler protected function opAdd($left, $right) { if ($strLeft = $this->coerceString($left)) { - if ($right[0] === 'string') { + if ($right[0] === Type::T_STRING) { $right[1] = ''; } @@ -1787,7 +2319,7 @@ class Compiler } if ($strRight = $this->coerceString($right)) { - if ($left[0] === 'string') { + if ($left[0] === Type::T_STRING) { $left[1] = ''; } @@ -1812,8 +2344,8 @@ class Compiler return; } - if ($left !== self::$false) { - return $right; + if ($left !== self::$false and $left !== self::$null) { + return $this->reduce($right, true); } return $left; @@ -1834,11 +2366,11 @@ class Compiler return; } - if ($left !== self::$false) { + if ($left !== self::$false and $left !== self::$null) { return $left; } - return $right; + return $this->reduce($right, true); } /** @@ -1852,9 +2384,9 @@ class Compiler */ protected function opColorColor($op, $left, $right) { - $out = array('color'); + $out = [Type::T_COLOR]; - foreach (range(1, 3) as $i) { + foreach ([1, 2, 3] as $i) { $lval = isset($left[$i]) ? $left[$i] : 0; $rval = isset($right[$i]) ? $right[$i] : 0; @@ -1878,6 +2410,7 @@ class Compiler case '/': if ($rval == 0) { $this->throwError("color: Can't divide by zero"); + break 2; } $out[] = (int) ($lval / $rval); @@ -1891,6 +2424,7 @@ class Compiler default: $this->throwError("color: unknown op $op"); + break 2; } } @@ -1919,7 +2453,7 @@ class Compiler return $this->opColorColor( $op, $left, - array('color', $value, $value, $value) + [Type::T_COLOR, $value, $value, $value] ); } @@ -1938,7 +2472,7 @@ class Compiler return $this->opColorColor( $op, - array('color', $value, $value, $value), + [Type::T_COLOR, $value, $value, $value], $right ); } @@ -2037,6 +2571,21 @@ class Compiler return $this->toBool($left[1] < $right[1]); } + /** + * Three-way comparison, aka spaceship operator + * + * @param array $left + * @param array $right + * + * @return array + */ + protected function opCmpNumberNumber($left, $right) + { + $n = $left[1] - $right[1]; + + return new Node\Number($n ? $n / abs($n) : 0, ''); + } + /** * Cast to boolean * @@ -2075,10 +2624,10 @@ class Compiler list($type) = $value; switch ($type) { - case 'keyword': + case Type::T_KEYWORD: return $value[1]; - case 'color': + case Type::T_COLOR: // [1] - red component (either number for a %) // [2] - green component // [3] - blue component @@ -2102,42 +2651,46 @@ class Compiler return $h; - case 'number': - return round($value[1], $this->numberPrecision) . $value[2]; + case Type::T_NUMBER: + return $value->output($this); - case 'string': + case Type::T_STRING: return $value[1] . $this->compileStringContent($value) . $value[1]; - case 'function': + case Type::T_FUNCTION: $args = ! empty($value[2]) ? $this->compileValue($value[2]) : ''; return "$value[1]($args)"; - case 'list': + case Type::T_LIST: $value = $this->extractInterpolation($value); - if ($value[0] !== 'list') { + if ($value[0] !== Type::T_LIST) { return $this->compileValue($value); } list(, $delim, $items) = $value; - $filtered = array(); + if ($delim !== ' ') { + $delim .= ' '; + } + + $filtered = []; foreach ($items as $item) { - if ($item[0] === 'null') { + if ($item[0] === Type::T_NULL) { continue; } $filtered[] = $this->compileValue($item); } - return implode("$delim ", $filtered); + return implode("$delim", $filtered); - case 'map': + case Type::T_MAP: $keys = $value[1]; $values = $value[2]; - $filtered = array(); + $filtered = []; for ($i = 0, $s = count($keys); $i < $s; $i++) { $filtered[$this->compileValue($keys[$i])] = $this->compileValue($values[$i]); @@ -2149,7 +2702,7 @@ class Compiler return '(' . implode(', ', $filtered) . ')'; - case 'interpolated': + case Type::T_INTERPOLATED: // node created by extractInterpolation list(, $interpolate, $left, $right) = $value; list(,, $whiteLeft, $whiteRight) = $interpolate; @@ -2162,24 +2715,25 @@ class Compiler return $left . $this->compileValue($interpolate) . $right; - case 'interpolate': + 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 'string': - $reduced = array('keyword', $this->compileStringContent($reduced)); + case Type::T_STRING: + $reduced = [Type::T_KEYWORD, $this->compileStringContent($reduced)]; break; - case 'null': - $reduced = array('keyword', ''); + case Type::T_NULL: + $reduced = [Type::T_KEYWORD, '']; } return $this->compileValue($reduced); - case 'null': + case Type::T_NULL: return 'null'; default: @@ -2208,10 +2762,10 @@ class Compiler */ protected function compileStringContent($string) { - $parts = array(); + $parts = []; foreach ($string[2] as $part) { - if (is_array($part)) { + if (is_array($part) || $part instanceof \ArrayAccess) { $parts[] = $this->compileValue($part); } else { $parts[] = $part; @@ -2233,11 +2787,11 @@ class Compiler $items = $list[2]; foreach ($items as $i => $item) { - if ($item[0] === 'interpolate') { - $before = array('list', $list[1], array_slice($items, 0, $i)); - $after = array('list', $list[1], array_slice($items, $i + 1)); + if ($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 array('interpolated', $item, $before, $after); + return [Type::T_INTERPOLATED, $item, $before, $after]; } } @@ -2247,27 +2801,22 @@ class Compiler /** * Find the final set of selectors * - * @param \stdClass $env + * @param \Leafo\ScssPhp\Compiler\Environment $env * * @return array */ - protected function multiplySelectors($env) + protected function multiplySelectors(Environment $env) { - $envs = array(); + $envs = $this->compactEnv($env); + $selectors = []; + $parentSelectors = [[]]; - while (null !== $env) { - if (! empty($env->selectors)) { - $envs[] = $env; + while ($env = array_pop($envs)) { + if (empty($env->selectors)) { + continue; } - $env = $env->parent; - }; - - $selectors = array(); - $parentSelectors = array(array()); - - while ($env = array_pop($envs)) { - $selectors = array(); + $selectors = []; foreach ($env->selectors as $selector) { foreach ($parentSelectors as $parent) { @@ -2292,10 +2841,10 @@ class Compiler protected function joinSelectors($parent, $child) { $setSelf = false; - $out = array(); + $out = []; foreach ($child as $part) { - $newPart = array(); + $newPart = []; foreach ($part as $p) { if ($p === self::$selfSelector) { @@ -2304,7 +2853,7 @@ class Compiler foreach ($parent as $i => $parentPart) { if ($i > 0) { $out[] = $newPart; - $newPart = array(); + $newPart = []; } foreach ($parentPart as $pp) { @@ -2325,15 +2874,15 @@ class Compiler /** * Multiply media * - * @param \stdClass $env - * @param array $childQueries + * @param \Leafo\ScssPhp\Compiler\Environment $env + * @param array $childQueries * * @return array */ - protected function multiplyMedia($env, $childQueries = null) + protected function multiplyMedia(Environment $env = null, $childQueries = null) { if (! isset($env) || - ! empty($env->block->type) && $env->block->type !== 'media' + ! empty($env->block->type) && $env->block->type !== Type::T_MEDIA ) { return $childQueries; } @@ -2343,12 +2892,15 @@ class Compiler return $this->multiplyMedia($env->parent, $childQueries); } - $parentQueries = $env->block->queryList; + $parentQueries = isset($env->block->queryList) + ? $env->block->queryList + : [[[Type::T_MEDIA_VALUE, $env->block->value]]]; + if ($childQueries === null) { $childQueries = $parentQueries; } else { $originalQueries = $childQueries; - $childQueries = array(); + $childQueries = []; foreach ($parentQueries as $parentQuery) { foreach ($originalQueries as $childQuery) { @@ -2360,20 +2912,53 @@ class Compiler 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 \stdClass $block + * @param \Leafo\ScssPhp\Block $block * - * @return \stdClass + * @return \Leafo\ScssPhp\Compiler\Environment */ - protected function pushEnv($block = null) + protected function pushEnv(Block $block = null) { - $env = new \stdClass; + $env = new Environment; $env->parent = $this->env; - $env->store = array(); - $env->block = $block; - $env->depth = isset($this->env->depth) ? $this->env->depth + 1 : 0; + $env->store = []; + $env->block = $block; + $env->depth = isset($this->env->depth) ? $this->env->depth + 1 : 0; $this->env = $env; @@ -2385,16 +2970,13 @@ class Compiler */ protected function popEnv() { - $env = $this->env; $this->env = $this->env->parent; - - return $env; } /** * Get store environment * - * @return \stdClass + * @return \Leafo\ScssPhp\Compiler\Environment */ protected function getStoreEnv() { @@ -2404,15 +2986,19 @@ class Compiler /** * Set variable * - * @param string $name - * @param mixed $value - * @param boolean $shadow - * @param \stdClass $env + * @param string $name + * @param mixed $value + * @param boolean $shadow + * @param \Leafo\ScssPhp\Compiler\Environment $env */ - protected function set($name, $value, $shadow = false, $env = null) + protected function set($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 { @@ -2423,16 +3009,12 @@ class Compiler /** * Set existing variable * - * @param string $name - * @param mixed $value - * @param \stdClass $env + * @param string $name + * @param mixed $value + * @param \Leafo\ScssPhp\Compiler\Environment $env */ - protected function setExisting($name, $value, $env = null) + protected function setExisting($name, $value, Environment $env) { - if (! isset($env)) { - $env = $this->getStoreEnv(); - } - $storeEnv = $env; $hasNamespace = $name[0] === '^' || $name[0] === '@' || $name[0] === '%'; @@ -2461,16 +3043,12 @@ class Compiler /** * Set raw variable * - * @param string $name - * @param mixed $value - * @param \stdClass $env + * @param string $name + * @param mixed $value + * @param \Leafo\ScssPhp\Compiler\Environment $env */ - protected function setRaw($name, $value, $env = null) + protected function setRaw($name, $value, Environment $env) { - if (! isset($env)) { - $env = $this->getStoreEnv(); - } - $env->store[$name] = $value; } @@ -2479,28 +3057,36 @@ class Compiler * * @api * - * @param string $name - * @param boolean $shouldThrow - * @param \stdClass $env + * @param string $name + * @param boolean $shouldThrow + * @param \Leafo\ScssPhp\Compiler\Environment $env * * @return mixed */ - public function get($name, $shouldThrow = true, $env = null) + public function get($name, $shouldThrow = true, Environment $env = null) { - $name = $this->normalizeName($name); + $normalizedName = $this->normalizeName($name); + $specialContentKey = self::$namespaces['special'] . 'content'; if (! isset($env)) { $env = $this->getStoreEnv(); } - $hasNamespace = $name[0] === '^' || $name[0] === '@' || $name[0] === '%'; + $nextIsRoot = false; + $hasNamespace = $normalizedName[0] === '^' || $normalizedName[0] === '@' || $normalizedName[0] === '%'; for (;;) { - if (array_key_exists($name, $env->store)) { - return $env->store[$name]; + 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; } @@ -2522,12 +3108,12 @@ class Compiler /** * Has variable? * - * @param string $name - * @param \stdClass $env + * @param string $name + * @param \Leafo\ScssPhp\Compiler\Environment $env * * @return boolean */ - protected function has($name, $env = null) + protected function has($name, Environment $env = null) { return $this->get($name, false, $env) !== null; } @@ -2543,7 +3129,7 @@ class Compiler return; } - $parser = new Parser(__METHOD__, false); + $parser = $this->parserFactory(__METHOD__); foreach ($args as $name => $strValue) { if ($name[0] === '$') { @@ -2582,6 +3168,32 @@ class Compiler unset($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($path); + } + } + /** * Returns list of parsed files * @@ -2617,7 +3229,7 @@ class Compiler */ public function setImportPaths($path) { - $this->importPaths = (array)$path; + $this->importPaths = (array) $path; } /** @@ -2629,7 +3241,7 @@ class Compiler */ public function setNumberPrecision($numberPrecision) { - $this->numberPrecision = $numberPrecision; + Node\Number::$precision = $numberPrecision; } /** @@ -2663,10 +3275,11 @@ class Compiler * * @param string $name * @param callable $func + * @param array $prototype */ - public function registerFunction($name, $func) + public function registerFunction($name, $func, $prototype = null) { - $this->userFunctions[$this->normalizeName($name)] = $func; + $this->userFunctions[$this->normalizeName($name)] = [$func, $prototype]; } /** @@ -2681,6 +3294,18 @@ class Compiler unset($this->userFunctions[$this->normalizeName($name)]); } + /** + * Add feature + * + * @api + * + * @param string $name + */ + public function addFeature($name) + { + $this->registeredFeatures[$name] = true; + } + /** * Import file * @@ -2697,17 +3322,16 @@ class Compiler $tree = $this->importCache[$realPath]; } else { - $code = file_get_contents($path); - $parser = new Parser($path, false); - $tree = $parser->parse($code); + $code = file_get_contents($path); + $parser = $this->parserFactory($path); + $tree = $parser->parse($code); - $this->parsedFiles[$realPath] = filemtime($path); $this->importCache[$realPath] = $tree; } $pi = pathinfo($path); array_unshift($this->importPaths, $pi['dirname']); - $this->compileChildren($tree->children, $out); + $this->compileChildrenNoReturn($tree->children, $out); array_shift($this->importPaths); } @@ -2722,21 +3346,21 @@ class Compiler */ public function findImport($url) { - $urls = array(); + $urls = []; // for "normal" scss imports (ignore vanilla css and external requests) if (! preg_match('/\.css$|^https?:\/\//', $url)) { // try both normal and the _partial filename - $urls = array($url, preg_replace('/[^\/]+$/', '_\0', $url)); + $urls = [$url, preg_replace('/[^\/]+$/', '_\0', $url)]; } foreach ($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; + $full = $dir + . (! empty($dir) && substr($dir, -1) !== '/' ? '/' : '') + . $full; if ($this->fileExists($file = $full . '.scss') || $this->fileExists($file = $full) @@ -2746,7 +3370,7 @@ class Compiler } } elseif (is_callable($dir)) { // check custom callback for import path - $file = call_user_func($dir, $url, $this); + $file = call_user_func($dir, $url); if ($file !== null) { return $file; @@ -2757,6 +3381,32 @@ class Compiler 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) * @@ -2764,19 +3414,22 @@ class Compiler * * @param string $msg Message with optional sprintf()-style vararg parameters * - * @throws \Exception + * @throws \Leafo\ScssPhp\Exception\CompilerException */ public function throwError($msg) { + if ($this->ignoreErrors) { + return; + } + if (func_num_args() > 1) { $msg = call_user_func_array('sprintf', func_get_args()); } - if ($this->sourcePos >= 0 && isset($this->sourceParser)) { - $this->sourceParser->throwParseError($msg, $this->sourcePos); - } + $line = $this->sourceLine; + $msg = "$msg: line: $line"; - throw new \Exception($msg); + throw new CompilerException($msg); } /** @@ -2786,17 +3439,14 @@ class Compiler * * @throws \Exception */ - private function handleImportLoop($name) + protected function handleImportLoop($name) { for ($env = $this->env; $env; $env = $env->parent) { - $file = $env->block->sourceParser->getSourceName(); + $file = $this->sourceNames[$env->block->sourceIndex]; if (realpath($file) === $name) { - $this->throwError( - 'An @import loop has been found: %s imports %s', - $this->env->block->sourceParser->getSourceName(), - basename($file) - ); + $this->throwError('An @import loop has been found: %s imports %s', $file, basename($file)); + break; } } } @@ -2813,6 +3463,51 @@ class Compiler return is_file($name); } + /** + * Call SCSS @function + * + * @param string $name + * @param array $args + * @param array $returnValue + * + * @return boolean Returns true if returnValue is set; otherwise, false + */ + protected function callScssFunction($name, $argValues, &$returnValue) + { + $func = $this->get(self::$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) ? self::$defaultValue : $ret; + + return true; + } + /** * Call built-in and registered (PHP) functions * @@ -2822,44 +3517,38 @@ class Compiler * * @return boolean Returns true if returnValue is set; otherwise, false */ - protected function callBuiltin($name, $args, &$returnValue) + 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 - $fn = $this->userFunctions[$name]; - - foreach ($args as &$val) { - $val = $this->reduce($val[1], true); - } - - $returnValue = call_user_func($fn, $args, $this); + list($f, $prototype) = $this->userFunctions[$name]; + } elseif (($f = $this->getBuiltinFunction($name)) && is_callable($f)) { + $libName = $f[1]; + $prototype = isset(self::$$libName) ? self::$$libName : null; } else { - $f = $this->getBuiltinFunction($name); - - if (is_callable($f)) { - $libName = $f[1]; - - $prototype = isset(self::$$libName) ? self::$$libName : null; - $sorted = $this->sortArgs($prototype, $args); + return false; + } - foreach ($sorted as &$val) { - $val = $this->reduce($val, true); - } + list($sorted, $kwargs) = $this->sortArgs($prototype, $args); - $returnValue = call_user_func($f, $sorted, $this); + if ($name !== 'if' && $name !== 'call') { + foreach ($sorted as &$val) { + $val = $this->reduce($val, true); } } - if (isset($returnValue)) { - $returnValue = $this->coerceValue($returnValue); + $returnValue = call_user_func($f, $sorted, $kwargs); - return true; + if (! isset($returnValue)) { + return false; } - return false; + $returnValue = $this->coerceValue($returnValue); + + return true; } /** @@ -2879,14 +3568,12 @@ class Compiler ucfirst($name) ); - return array($this, $libName); + return [$this, $libName]; } /** * Sorts keyword arguments * - * @todo Merge with applyArguments()? - * * @param array $prototype * @param array $args * @@ -2894,9 +3581,10 @@ class Compiler */ protected function sortArgs($prototype, $args) { - $keyArgs = array(); - $posArgs = array(); + $keyArgs = []; + $posArgs = []; + // separate positional and keyword arguments foreach ($args as $arg) { list($key, $value) = $arg; @@ -2910,33 +3598,22 @@ class Compiler } if (! isset($prototype)) { - return $posArgs; + return [$posArgs, $keyArgs]; } - $finalArgs = array(); + // copy positional args + $finalArgs = array_pad($posArgs, count($prototype), null); + // overwrite positional args with keyword args foreach ($prototype as $i => $names) { - if (isset($posArgs[$i])) { - $finalArgs[] = $posArgs[$i]; - continue; - } - - $set = false; - - foreach ((array)$names as $name) { + foreach ((array) $names as $name) { if (isset($keyArgs[$name])) { - $finalArgs[] = $keyArgs[$name]; - $set = true; - break; + $finalArgs[$i] = $keyArgs[$name]; } } - - if (! $set) { - $finalArgs[] = null; - } } - return $finalArgs; + return [$finalArgs, $keyArgs]; } /** @@ -2951,22 +3628,22 @@ class Compiler { $storeEnv = $this->getStoreEnv(); - $env = new \stdClass; + $env = new Environment; $env->store = $storeEnv->store; $hasVariable = false; - $args = array(); + $args = []; foreach ($argDef as $i => $arg) { list($name, $default, $isVariable) = $argDef[$i]; - $args[$name] = array($i, $name, $default, $isVariable); + $args[$name] = [$i, $name, $default, $isVariable]; $hasVariable |= $isVariable; } - $keywordArgs = array(); - $deferredKeywordArgs = array(); - $remaining = array(); + $keywordArgs = []; + $deferredKeywordArgs = []; + $remaining = []; // assign the keyword args foreach ((array) $argValues as $arg) { @@ -2976,19 +3653,33 @@ class Compiler $deferredKeywordArgs[$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 ($val[0] === 'list') { + if ($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] = $item; } else { @@ -3007,7 +3698,7 @@ class Compiler list($i, $name, $default, $isVariable) = $arg; if ($isVariable) { - $val = array('list', ',', array(), $isVariable); + $val = [Type::T_LIST, ',', [], $isVariable]; for ($count = count($remaining); $i < $count; $i++) { $val[2][] = $remaining[$i]; @@ -3024,6 +3715,7 @@ class Compiler continue; } else { $this->throwError("Missing argument $name"); + break; } $this->set($name, $this->reduce($val, true), true, $env); @@ -3051,46 +3743,50 @@ class Compiler */ private function coerceValue($value) { - if (is_array($value)) { + if (is_array($value) || $value instanceof \ArrayAccess) { return $value; } if (is_bool($value)) { - return $value ? self::$true : self::$false; + return $this->toBool($value); } if ($value === null) { - $value = self::$null; + return self::$null; } if (is_numeric($value)) { - return array('number', $value, ''); + return new Node\Number($value, ''); } if ($value === '') { return self::$emptyString; } - return array('keyword', $value); - } + if (preg_match('/^(#([0-9a-f]{6})|#([0-9a-f]{3}))$/i', $value, $m)) { + $color = [Type::T_COLOR]; - /** - * Coerce unit on number to be normalized - * - * @param array $number - * @param string $unit - * - * @return array - */ - protected function coerceUnit($number, $unit) - { - list(, $value, $baseUnit) = $number; + if (isset($m[3])) { + $num = hexdec($m[3]); - if (isset(self::$unitTable[$baseUnit][$unit])) { - $value = $value * self::$unitTable[$baseUnit][$unit]; + 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 array('number', $value, $unit); + return [Type::T_KEYWORD, $value]; } /** @@ -3102,7 +3798,7 @@ class Compiler */ protected function coerceMap($item) { - if ($item[0] === 'map') { + if ($item[0] === Type::T_MAP) { return $item; } @@ -3110,7 +3806,7 @@ class Compiler return self::$emptyMap; } - return array('map', array($item), array(self::$null)); + return [Type::T_MAP, [$item], [self::$null]]; } /** @@ -3122,26 +3818,30 @@ class Compiler */ protected function coerceList($item, $delim = ',') { - if (isset($item) && $item[0] === 'list') { + if (isset($item) && $item[0] === Type::T_LIST) { return $item; } - if (isset($item) && $item[0] === 'map') { + if (isset($item) && $item[0] === Type::T_MAP) { $keys = $item[1]; $values = $item[2]; - $list = array(); + $list = []; for ($i = 0, $s = count($keys); $i < $s; $i++) { $key = $keys[$i]; $value = $values[$i]; - $list[] = array('list', '', array(array('keyword', $this->compileValue($key)), $value)); + $list[] = [ + Type::T_LIST, + '', + [[Type::T_KEYWORD, $this->compileStringContent($this->coerceString($key))], $value] + ]; } - return array('list', ',', $list); + return [Type::T_LIST, ',', $list]; } - return array('list', $delim, ! isset($item) ? array(): array($item)); + return [Type::T_LIST, $delim, ! isset($item) ? []: [$item]]; } /** @@ -3170,18 +3870,18 @@ class Compiler protected function coerceColor($value) { switch ($value[0]) { - case 'color': + case Type::T_COLOR: return $value; - case 'keyword': + case Type::T_KEYWORD: $name = strtolower($value[1]); if (isset(Colors::$cssColors[$name])) { $rgba = explode(',', Colors::$cssColors[$name]); return isset($rgba[3]) - ? array('color', (int) $rgba[0], (int) $rgba[1], (int) $rgba[2], (int) $rgba[3]) - : array('color', (int) $rgba[0], (int) $rgba[1], (int) $rgba[2]); + ? [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) $rgba[2]]; } return null; @@ -3199,11 +3899,11 @@ class Compiler */ protected function coerceString($value) { - if ($value[0] === 'string') { + if ($value[0] === Type::T_STRING) { return $value; } - return array('string', '', array($this->compileValue($value))); + return [Type::T_STRING, '', [$this->compileValue($value)]]; } /** @@ -3215,8 +3915,8 @@ class Compiler */ protected function coercePercent($value) { - if ($value[0] === 'number') { - if ($value[2] === '%') { + if ($value[0] === Type::T_NUMBER) { + if (! empty($value[2]['%'])) { return $value[1] / 100; } @@ -3241,7 +3941,7 @@ class Compiler { $value = $this->coerceMap($value); - if ($value[0] !== 'map') { + if ($value[0] !== Type::T_MAP) { $this->throwError('expecting map'); } @@ -3261,7 +3961,7 @@ class Compiler */ public function assertList($value) { - if ($value[0] !== 'list') { + if ($value[0] !== Type::T_LIST) { $this->throwError('expecting list'); } @@ -3301,7 +4001,7 @@ class Compiler */ public function assertNumber($value) { - if ($value[0] !== 'number') { + if ($value[0] !== Type::T_NUMBER) { $this->throwError('expecting number'); } @@ -3317,7 +4017,7 @@ class Compiler */ protected function fixColor($c) { - foreach (range(1, 3) as $i) { + foreach ([1, 2, 3] as $i) { if ($c[$i] < 0) { $c[$i] = 0; } @@ -3367,7 +4067,7 @@ class Compiler } } - return array('hsl', fmod($h, 360), $s * 100, $l / 5.1); + return [Type::T_HSL, fmod($h, 360), $s * 100, $l / 5.1]; } /** @@ -3430,43 +4130,68 @@ class Compiler $g = $this->hueToRGB($m1, $m2, $h) * 255; $b = $this->hueToRGB($m1, $m2, $h - 1/3) * 255; - $out = array('color', $r, $g, $b); + $out = [Type::T_COLOR, $r, $g, $b]; return $out; } // Built in functions - protected static $libIf = array('condition', 'if-true', 'if-false'); + //protected static $libCall = ['name', 'args...']; + protected function libCall($args, $kwargs) + { + $name = $this->compileStringContent($this->coerceString($this->reduce(array_shift($args), true))); + + $args = array_map( + function ($a) { + return [null, $a, false]; + }, + $args + ); + + if (count($kwargs)) { + foreach ($kwargs as $key => $value) { + $args[] = [[Type::T_VARIABLE, $key], $value, false]; + } + } + + return $this->reduce([Type::T_FUNCTION_CALL, $name, $args]); + } + + protected static $libIf = ['condition', 'if-true', 'if-false']; protected function libIf($args) { list($cond, $t, $f) = $args; - if (! $this->isTruthy($cond)) { - return $f; + if (! $this->isTruthy($this->reduce($cond, true))) { + return $this->reduce($f, true); } - return $t; + return $this->reduce($t, true); } - protected static $libIndex = array('list', 'value'); + protected static $libIndex = ['list', 'value']; protected function libIndex($args) { list($list, $value) = $args; - if ($value[0] === 'map') { + if ($value[0] === Type::T_MAP) { return self::$null; } - if ($list[0] === 'map') { + if ($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 ($list[0] !== 'list') { + if ($list[0] !== Type::T_LIST) { return self::$null; } - $values = array(); + $values = []; foreach ($list[2] as $item) { $values[] = $this->normalizeValue($item); @@ -3477,23 +4202,20 @@ class Compiler return false === $key ? self::$null : $key + 1; } - protected static $libRgb = array('red', 'green', 'blue'); + protected static $libRgb = ['red', 'green', 'blue']; protected function libRgb($args) { list($r, $g, $b) = $args; - return array('color', $r[1], $g[1], $b[1]); + return [Type::T_COLOR, $r[1], $g[1], $b[1]]; } - protected static $libRgba = array( - array('red', 'color'), - 'green', 'blue', 'alpha'); + protected static $libRgba = [ + ['red', 'color'], + 'green', 'blue', 'alpha']; protected function libRgba($args) { if ($color = $this->coerceColor($args[0])) { - // workaround https://github.com/facebook/hhvm/issues/5457 - reset($args); - $num = ! isset($args[1]) ? $args[3] : $args[1]; $alpha = $this->assertNumber($num); $color[4] = $alpha; @@ -3503,7 +4225,7 @@ class Compiler list($r, $g, $b, $a) = $args; - return array('color', $r[1], $g[1], $b[1], $a[1]); + return [Type::T_COLOR, $r[1], $g[1], $b[1], $a[1]]; } // helper function for adjust_color, change_color, and scale_color @@ -3511,10 +4233,7 @@ class Compiler { $color = $this->assertColor($args[0]); - // workaround https://github.com/facebook/hhvm/issues/5457 - reset($args); - - foreach (array(1, 2, 3, 7) as $i) { + foreach ([1, 2, 3, 7] as $i) { if (isset($args[$i])) { $val = $this->assertNumber($args[$i]); $ii = $i === 7 ? 4 : $i; // alpha @@ -3525,7 +4244,7 @@ class Compiler if (isset($args[4]) || isset($args[5]) || isset($args[6])) { $hsl = $this->toHSL($color[1], $color[2], $color[3]); - foreach (array(4, 5, 6) as $i) { + 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); @@ -3544,10 +4263,10 @@ class Compiler return $color; } - protected static $libAdjustColor = array( + protected static $libAdjustColor = [ 'color', 'red', 'green', 'blue', 'hue', 'saturation', 'lightness', 'alpha' - ); + ]; protected function libAdjustColor($args) { return $this->alterColor($args, function ($base, $alter, $i) { @@ -3555,10 +4274,10 @@ class Compiler }); } - protected static $libChangeColor = array( + protected static $libChangeColor = [ 'color', 'red', 'green', 'blue', 'hue', 'saturation', 'lightness', 'alpha' - ); + ]; protected function libChangeColor($args) { return $this->alterColor($args, function ($base, $alter, $i) { @@ -3566,10 +4285,10 @@ class Compiler }); } - protected static $libScaleColor = array( + protected static $libScaleColor = [ 'color', 'red', 'green', 'blue', 'hue', 'saturation', 'lightness', 'alpha' - ); + ]; protected function libScaleColor($args) { return $this->alterColor($args, function ($base, $scale, $i) { @@ -3605,16 +4324,16 @@ class Compiler }); } - protected static $libIeHexStr = array('color'); + protected static $libIeHexStr = ['color']; protected function libIeHexStr($args) { $color = $this->coerceColor($args[0]); - $color[4] = isset($color[4]) ? round(255*$color[4]) : 255; + $color[4] = isset($color[4]) ? round(255 * $color[4]) : 255; return sprintf('#%02X%02X%02X%02X', $color[4], $color[1], $color[2], $color[3]); } - protected static $libRed = array('color'); + protected static $libRed = ['color']; protected function libRed($args) { $color = $this->coerceColor($args[0]); @@ -3622,7 +4341,7 @@ class Compiler return $color[1]; } - protected static $libGreen = array('color'); + protected static $libGreen = ['color']; protected function libGreen($args) { $color = $this->coerceColor($args[0]); @@ -3630,7 +4349,7 @@ class Compiler return $color[2]; } - protected static $libBlue = array('color'); + protected static $libBlue = ['color']; protected function libBlue($args) { $color = $this->coerceColor($args[0]); @@ -3638,7 +4357,7 @@ class Compiler return $color[3]; } - protected static $libAlpha = array('color'); + protected static $libAlpha = ['color']; protected function libAlpha($args) { if ($color = $this->coerceColor($args[0])) { @@ -3649,12 +4368,12 @@ class Compiler return null; } - protected static $libOpacity = array('color'); + protected static $libOpacity = ['color']; protected function libOpacity($args) { $value = $args[0]; - if ($value[0] === 'number') { + if ($value[0] === Type::T_NUMBER) { return null; } @@ -3662,7 +4381,7 @@ class Compiler } // mix two colors - protected static $libMix = array('color-1', 'color-2', 'weight'); + protected static $libMix = ['color-1', 'color-2', 'weight']; protected function libMix($args) { list($first, $second, $weight) = $args; @@ -3685,11 +4404,11 @@ class Compiler $w1 = (($w * $a === -1 ? $w : ($w + $a) / (1 + $w * $a)) + 1) / 2.0; $w2 = 1.0 - $w1; - $new = array('color', + $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 + $secondAlpha * ($weight - 1); @@ -3698,7 +4417,7 @@ class Compiler return $this->fixColor($new); } - protected static $libHsl = array('hue', 'saturation', 'lightness'); + protected static $libHsl = ['hue', 'saturation', 'lightness']; protected function libHsl($args) { list($h, $s, $l) = $args; @@ -3706,8 +4425,7 @@ class Compiler return $this->toRGB($h[1], $s[1], $l[1]); } - protected static $libHsla = array('hue', 'saturation', - 'lightness', 'alpha'); + protected static $libHsla = ['hue', 'saturation', 'lightness', 'alpha']; protected function libHsla($args) { list($h, $s, $l, $a) = $args; @@ -3718,31 +4436,31 @@ class Compiler return $color; } - protected static $libHue = array('color'); + protected static $libHue = ['color']; protected function libHue($args) { $color = $this->assertColor($args[0]); $hsl = $this->toHSL($color[1], $color[2], $color[3]); - return array('number', $hsl[1], 'deg'); + return new Node\Number($hsl[1], 'deg'); } - protected static $libSaturation = array('color'); + protected static $libSaturation = ['color']; protected function libSaturation($args) { $color = $this->assertColor($args[0]); $hsl = $this->toHSL($color[1], $color[2], $color[3]); - return array('number', $hsl[2], '%'); + return new Node\Number($hsl[2], '%'); } - protected static $libLightness = array('color'); + protected static $libLightness = ['color']; protected function libLightness($args) { $color = $this->assertColor($args[0]); $hsl = $this->toHSL($color[1], $color[2], $color[3]); - return array('number', $hsl[3], '%'); + return new Node\Number($hsl[3], '%'); } protected function adjustHsl($color, $idx, $amount) @@ -3758,7 +4476,7 @@ class Compiler return $out; } - protected static $libAdjustHue = array('color', 'degrees'); + protected static $libAdjustHue = ['color', 'degrees']; protected function libAdjustHue($args) { $color = $this->assertColor($args[0]); @@ -3767,7 +4485,7 @@ class Compiler return $this->adjustHsl($color, 1, $degrees); } - protected static $libLighten = array('color', 'amount'); + protected static $libLighten = ['color', 'amount']; protected function libLighten($args) { $color = $this->assertColor($args[0]); @@ -3776,7 +4494,7 @@ class Compiler return $this->adjustHsl($color, 3, $amount); } - protected static $libDarken = array('color', 'amount'); + protected static $libDarken = ['color', 'amount']; protected function libDarken($args) { $color = $this->assertColor($args[0]); @@ -3785,54 +4503,54 @@ class Compiler return $this->adjustHsl($color, 3, -$amount); } - protected static $libSaturate = array('color', 'amount'); + protected static $libSaturate = ['color', 'amount']; protected function libSaturate($args) { $value = $args[0]; - if ($value[0] === 'number') { + if ($value[0] === Type::T_NUMBER) { return null; } $color = $this->assertColor($value); - $amount = 100*$this->coercePercent($args[1]); + $amount = 100 * $this->coercePercent($args[1]); return $this->adjustHsl($color, 2, $amount); } - protected static $libDesaturate = array('color', 'amount'); + protected static $libDesaturate = ['color', 'amount']; protected function libDesaturate($args) { $color = $this->assertColor($args[0]); - $amount = 100*$this->coercePercent($args[1]); + $amount = 100 * $this->coercePercent($args[1]); return $this->adjustHsl($color, 2, -$amount); } - protected static $libGrayscale = array('color'); + protected static $libGrayscale = ['color']; protected function libGrayscale($args) { $value = $args[0]; - if ($value[0] === 'number') { + if ($value[0] === Type::T_NUMBER) { return null; } return $this->adjustHsl($this->assertColor($value), 2, -100); } - protected static $libComplement = array('color'); + protected static $libComplement = ['color']; protected function libComplement($args) { return $this->adjustHsl($this->assertColor($args[0]), 1, 180); } - protected static $libInvert = array('color'); + protected static $libInvert = ['color']; protected function libInvert($args) { $value = $args[0]; - if ($value[0] === 'number') { + if ($value[0] === Type::T_NUMBER) { return null; } @@ -3845,7 +4563,7 @@ class Compiler } // increases opacity by amount - protected static $libOpacify = array('color', 'amount'); + protected static $libOpacify = ['color', 'amount']; protected function libOpacify($args) { $color = $this->assertColor($args[0]); @@ -3857,14 +4575,14 @@ class Compiler return $color; } - protected static $libFadeIn = array('color', 'amount'); + protected static $libFadeIn = ['color', 'amount']; protected function libFadeIn($args) { return $this->libOpacify($args); } // decreases opacity by amount - protected static $libTransparentize = array('color', 'amount'); + protected static $libTransparentize = ['color', 'amount']; protected function libTransparentize($args) { $color = $this->assertColor($args[0]); @@ -3876,45 +4594,43 @@ class Compiler return $color; } - protected static $libFadeOut = array('color', 'amount'); + protected static $libFadeOut = ['color', 'amount']; protected function libFadeOut($args) { return $this->libTransparentize($args); } - protected static $libUnquote = array('string'); + protected static $libUnquote = ['string']; protected function libUnquote($args) { $str = $args[0]; - if ($str[0] === 'string') { + if ($str[0] === Type::T_STRING) { $str[1] = ''; } return $str; } - protected static $libQuote = array('string'); + protected static $libQuote = ['string']; protected function libQuote($args) { $value = $args[0]; - if ($value[0] === 'string' && ! empty($value[1])) { + if ($value[0] === Type::T_STRING && ! empty($value[1])) { return $value; } - return array('string', '"', array($value)); + return [Type::T_STRING, '"', [$value]]; } - protected static $libPercentage = array('value'); + protected static $libPercentage = ['value']; protected function libPercentage($args) { - return array('number', - $this->coercePercent($args[0]) * 100, - '%'); + return new Node\Number($this->coercePercent($args[0]) * 100, '%'); } - protected static $libRound = array('value'); + protected static $libRound = ['value']; protected function libRound($args) { $num = $args[0]; @@ -3923,7 +4639,7 @@ class Compiler return $num; } - protected static $libFloor = array('value'); + protected static $libFloor = ['value']; protected function libFloor($args) { $num = $args[0]; @@ -3932,7 +4648,7 @@ class Compiler return $num; } - protected static $libCeil = array('value'); + protected static $libCeil = ['value']; protected function libCeil($args) { $num = $args[0]; @@ -3941,7 +4657,7 @@ class Compiler return $num; } - protected static $libAbs = array('value'); + protected static $libAbs = ['value']; protected function libAbs($args) { $num = $args[0]; @@ -3957,7 +4673,7 @@ class Compiler foreach ($numbers as $key => $number) { if (null === $min || $number[1] <= $min[1]) { - $min = array($key, $number[1]); + $min = [$key, $number[1]]; } } @@ -3971,7 +4687,7 @@ class Compiler foreach ($numbers as $key => $number) { if (null === $max || $number[1] >= $max[1]) { - $max = array($key, $number[1]); + $max = [$key, $number[1]]; } } @@ -3989,20 +4705,22 @@ class Compiler { $unit = null; $originalUnit = null; - $numbers = array(); + $numbers = []; foreach ($args as $key => $item) { - if ('number' !== $item[0]) { + if ($item[0] !== Type::T_NUMBER) { $this->throwError('%s is not a number', $item[0]); + break; } - $number = $this->normalizeNumber($item); + $number = $item->normalize(); if (null === $unit) { $unit = $number[2]; - $originalUnit = $item[2]; + $originalUnit = $item->unitStr(); } elseif ($unit !== $number[2]) { - $this->throwError('Incompatible units: "%s" and "%s".', $originalUnit, $item[2]); + $this->throwError('Incompatible units: "%s" and "%s".', $originalUnit, $item->unitStr()); + break; } $numbers[$key] = $number; @@ -4011,7 +4729,7 @@ class Compiler return $numbers; } - protected static $libLength = array('list'); + protected static $libLength = ['list']; protected function libLength($args) { $list = $this->coerceList($args[0]); @@ -4019,8 +4737,7 @@ class Compiler return count($list[2]); } - // TODO: need a way to declare this built-in as varargs - //protected static $libListSeparator = array('list...'); + //protected static $libListSeparator = ['list...']; protected function libListSeparator($args) { if (count($args) > 1) { @@ -4040,23 +4757,37 @@ class Compiler return 'space'; } - protected static $libNth = array('list', 'n'); + protected static $libNth = ['list', 'n']; protected function libNth($args) { $list = $this->coerceList($args[0]); - $n = $this->assertNumber($args[1]) - 1; + $n = $this->assertNumber($args[1]); + + if ($n > 0) { + $n--; + } elseif ($n < 0) { + $n += count($list[2]); + } return isset($list[2][$n]) ? $list[2][$n] : self::$defaultValue; } - protected static $libSetNth = array('list', 'n', 'value'); + protected static $libSetNth = ['list', 'n', 'value']; protected function libSetNth($args) { $list = $this->coerceList($args[0]); - $n = $this->assertNumber($args[1]) - 1; + $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]; @@ -4064,15 +4795,14 @@ class Compiler return $list; } - protected static $libMapGet = array('map', 'key'); + 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 === $this->compileValue($map[1][$i])) { + if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { return $map[2][$i]; } } @@ -4080,35 +4810,32 @@ class Compiler return self::$null; } - protected static $libMapKeys = array('map'); + protected static $libMapKeys = ['map']; protected function libMapKeys($args) { $map = $this->assertMap($args[0]); - $keys = $map[1]; - return array('list', ',', $keys); + return [Type::T_LIST, ',', $keys]; } - protected static $libMapValues = array('map'); + protected static $libMapValues = ['map']; protected function libMapValues($args) { $map = $this->assertMap($args[0]); - $values = $map[2]; - return array('list', ',', $values); + return [Type::T_LIST, ',', $values]; } - protected static $libMapRemove = array('map', 'key'); + 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 === $this->compileValue($map[1][$i])) { + if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { array_splice($map[1], $i, 1); array_splice($map[2], $i, 1); } @@ -4117,29 +4844,44 @@ class Compiler return $map; } - protected static $libMapHasKey = array('map', 'key'); + 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 === $this->compileValue($map[1][$i])) { - return self::$true; + if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) { + return true; } } - return self::$false; + return false; } - protected static $libMapMerge = array('map-1', 'map-2'); + protected static $libMapMerge = ['map-1', 'map-2']; protected function libMapMerge($args) { $map1 = $this->assertMap($args[0]); $map2 = $this->assertMap($args[1]); - return array('map', array_merge($map1[1], $map2[1]), array_merge($map1[2], $map2[2])); + return [Type::T_MAP, array_merge($map1[1], $map2[1]), array_merge($map1[2], $map2[2])]; + } + + 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) @@ -4160,7 +4902,7 @@ class Compiler } } - protected static $libJoin = array('list1', 'list2', 'separator'); + protected static $libJoin = ['list1', 'list2', 'separator']; protected function libJoin($args) { list($list1, $list2, $sep) = $args; @@ -4169,10 +4911,10 @@ class Compiler $list2 = $this->coerceList($list2, ' '); $sep = $this->listSeparatorForJoin($list1, $sep); - return array('list', $sep, array_merge($list1[2], $list2[2])); + return [Type::T_LIST, $sep, array_merge($list1[2], $list2[2])]; } - protected static $libAppend = array('list', 'val', 'separator'); + protected static $libAppend = ['list', 'val', 'separator']; protected function libAppend($args) { list($list1, $value, $sep) = $args; @@ -4180,7 +4922,7 @@ class Compiler $list1 = $this->coerceList($list1, ' '); $sep = $this->listSeparatorForJoin($list1, $sep); - return array('list', $sep, array_merge($list1[2], array($value))); + return [Type::T_LIST, $sep, array_merge($list1[2], [$value])]; } protected function libZip($args) @@ -4189,11 +4931,11 @@ class Compiler $this->assertList($arg); } - $lists = array(); + $lists = []; $firstList = array_shift($args); foreach ($firstList[2] as $key => $item) { - $list = array('list', '', array($item)); + $list = [Type::T_LIST, '', [$item]]; foreach ($args as $arg) { if (isset($arg[2][$key])) { @@ -4202,19 +4944,20 @@ class Compiler break 2; } } + $lists[] = $list; } - return array('list', ',', $lists); + return [Type::T_LIST, ',', $lists]; } - protected static $libTypeOf = array('value'); + protected static $libTypeOf = ['value']; protected function libTypeOf($args) { $value = $args[0]; switch ($value[0]) { - case 'keyword': + case Type::T_KEYWORD: if ($value === self::$true || $value === self::$false) { return 'bool'; } @@ -4224,10 +4967,10 @@ class Compiler } // fall-thru - case 'function': + case Type::T_FUNCTION: return 'string'; - case 'list': + case Type::T_LIST: if (isset($value[3]) && $value[3]) { return 'arglist'; } @@ -4238,42 +4981,46 @@ class Compiler } } - protected static $libUnit = array('number'); + protected static $libUnit = ['number']; protected function libUnit($args) { $num = $args[0]; - if ($num[0] === 'number') { - return array('string', '"', array($num[2])); + if ($num[0] === Type::T_NUMBER) { + return [Type::T_STRING, '"', [$num->unitStr()]]; } return ''; } - protected static $libUnitless = array('number'); + protected static $libUnitless = ['number']; protected function libUnitless($args) { $value = $args[0]; - return $value[0] === 'number' && empty($value[2]); + return $value[0] === Type::T_NUMBER && $value->unitless(); } - protected static $libComparable = array('number-1', 'number-2'); + protected static $libComparable = ['number-1', 'number-2']; protected function libComparable($args) { list($number1, $number2) = $args; - if (! isset($number1[0]) || $number1[0] !== 'number' || ! isset($number2[0]) || $number2[0] !== 'number') { + if (! isset($number1[0]) || $number1[0] !== Type::T_NUMBER || + ! isset($number2[0]) || $number2[0] !== Type::T_NUMBER + ) { $this->throwError('Invalid argument(s) for "comparable"'); + + return; } - $number1 = $this->normalizeNumber($number1); - $number2 = $this->normalizeNumber($number2); + $number1 = $number1->normalize(); + $number2 = $number2->normalize(); - return $number1[2] === $number2[2] || $number1[2] === '' || $number2[2] === ''; + return $number1[2] === $number2[2] || $number1->unitless() || $number2->unitless(); } - protected static $libStrIndex = array('string', 'substring'); + protected static $libStrIndex = ['string', 'substring']; protected function libStrIndex($args) { $string = $this->coerceString($args[0]); @@ -4284,10 +5031,10 @@ class Compiler $result = strpos($stringContent, $substringContent); - return $result === false ? self::$null : array('number', $result + 1, ''); + return $result === false ? self::$null : new Node\Number($result + 1, ''); } - protected static $libStrInsert = array('string', 'insert', 'index'); + protected static $libStrInsert = ['string', 'insert', 'index']; protected function libStrInsert($args) { $string = $this->coerceString($args[0]); @@ -4298,74 +5045,80 @@ class Compiler list(, $index) = $args[2]; - $string[2] = array(substr_replace($stringContent, $insertContent, $index - 1, 0)); + $string[2] = [substr_replace($stringContent, $insertContent, $index - 1, 0)]; return $string; } - protected static $libStrLength = array('string'); + protected static $libStrLength = ['string']; protected function libStrLength($args) { $string = $this->coerceString($args[0]); $stringContent = $this->compileStringContent($string); - return array('number', strlen($stringContent), ''); + return new Node\Number(strlen($stringContent), ''); } - protected static $libStrSlice = array('string', 'start-at', 'end-at'); + protected static $libStrSlice = ['string', 'start-at', 'end-at']; protected function libStrSlice($args) { - if ($args[2][1] == 0) { - return self::$emptyString; + if (isset($args[2]) && $args[2][1] == 0) { + return self::$nullString; } $string = $this->coerceString($args[0]); $stringContent = $this->compileStringContent($string); - $start = (int) $args[1][1] ?: 1; - $end = (int) $args[2][1]; + $start = (int) $args[1][1]; - $string[2] = array(substr($stringContent, $start - 1, $end < 0 ? $end : $end - $start + 1)); + if ($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 = array('string'); + protected static $libToLowerCase = ['string']; protected function libToLowerCase($args) { $string = $this->coerceString($args[0]); $stringContent = $this->compileStringContent($string); - $string[2] = array(mb_strtolower($stringContent)); + $string[2] = [mb_strtolower($stringContent)]; return $string; } - protected static $libToUpperCase = array('string'); + protected static $libToUpperCase = ['string']; protected function libToUpperCase($args) { $string = $this->coerceString($args[0]); $stringContent = $this->compileStringContent($string); - $string[2] = array(mb_strtoupper($stringContent)); + $string[2] = [mb_strtoupper($stringContent)]; return $string; } - protected static $libFeatureExists = array('feature'); + protected static $libFeatureExists = ['feature']; protected function libFeatureExists($args) { - /* - * The following features not not (yet) supported: - * - global-variable-shadowing - * - extend-selector-pseudoclass - * - units-level-3 - * - at-error - */ - return self::$false; + $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 = array('name'); + protected static $libFunctionExists = ['name']; protected function libFunctionExists($args) { $string = $this->coerceString($args[0]); @@ -4373,13 +5126,13 @@ class Compiler // user defined functions if ($this->has(self::$namespaces['function'] . $name)) { - return self::$true; + return true; } $name = $this->normalizeName($name); if (isset($this->userFunctions[$name])) { - return self::$true; + return true; } // built-in functions @@ -4388,31 +5141,31 @@ class Compiler return $this->toBool(is_callable($f)); } - protected static $libGlobalVariableExists = array('name'); + protected static $libGlobalVariableExists = ['name']; protected function libGlobalVariableExists($args) { $string = $this->coerceString($args[0]); $name = $this->compileStringContent($string); - return $this->has($name, $this->rootEnv) ? self::$true : self::$false; + return $this->has($name, $this->rootEnv); } - protected static $libMixinExists = array('name'); + protected static $libMixinExists = ['name']; protected function libMixinExists($args) { $string = $this->coerceString($args[0]); $name = $this->compileStringContent($string); - return $this->has(self::$namespaces['mixin'] . $name) ? self::$true : self::$false; + return $this->has(self::$namespaces['mixin'] . $name); } - protected static $libVariableExists = array('name'); + protected static $libVariableExists = ['name']; protected function libVariableExists($args) { $string = $this->coerceString($args[0]); $name = $this->compileStringContent($string); - return $this->has($name) ? self::$true : self::$false; + return $this->has($name); } /** @@ -4422,11 +5175,12 @@ class Compiler */ protected function libCounter($args) { - $list = array_map(array($this, 'compileValue'), $args); + $list = array_map([$this, 'compileValue'], $args); - return array('string', '', array('counter(' . implode(',', $list) . ')')); + return [Type::T_STRING, '', ['counter(' . implode(',', $list) . ')']]; } + protected static $libRandom = ['limit']; protected function libRandom($args) { if (isset($args[0])) { @@ -4434,12 +5188,14 @@ class Compiler if ($n < 1) { $this->throwError("limit must be greater than or equal to 1"); + + return; } - return array('number', mt_rand(1, $n), ''); + return new Node\Number(mt_rand(1, $n), ''); } - return array('number', mt_rand(1, mt_getrandmax()), ''); + return new Node\Number(mt_rand(1, mt_getrandmax()), ''); } protected function libUniqueId() @@ -4452,6 +5208,16 @@ class Compiler $id += mt_rand(0, 10) + 1; - return array('string', '', array('u' . str_pad(base_convert($id, 10, 36), 8, '0', STR_PAD_LEFT))); + 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 ($args[0] === self::$null) { + return [Type::T_KEYWORD, 'null']; + } + + return $args[0]; } } diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Compiler/Environment.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Compiler/Environment.php new file mode 100644 index 0000000000..d44bff765a --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/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/style/scssphp/src/Exception/CompilerException.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/CompilerException.php new file mode 100644 index 0000000000..777e40ac5d --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/CompilerException.php @@ -0,0 +1,21 @@ + + */ +class CompilerException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ParserException.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ParserException.php new file mode 100644 index 0000000000..fbe6388f50 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ParserException.php @@ -0,0 +1,21 @@ + + */ +class ParserException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ServerException.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ServerException.php new file mode 100644 index 0000000000..5a878d2fb8 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Exception/ServerException.php @@ -0,0 +1,21 @@ + + */ +class ServerException extends \Exception +{ +} diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter.php index 5b035e1c2b..2770bb2daa 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter.php @@ -11,8 +11,10 @@ namespace Leafo\ScssPhp; +use Leafo\ScssPhp\Formatter\OutputBlock; + /** - * SCSS base formatter + * Base formatter * * @author Leaf Corcoran */ @@ -53,23 +55,33 @@ abstract class Formatter */ public $assignSeparator; + /** + * @var boolea + */ + public $keepSemicolons; + + /** + * Initialize formatter + * + * @api + */ abstract public function __construct(); /** * Return indentation (whitespace) * - * @param integer $n - * * @return string */ - protected function indentStr($n = 0) + protected function indentStr() { - return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); + return ''; } /** * Return property assignment * + * @api + * * @param string $name * @param mixed $value * @@ -83,21 +95,34 @@ abstract class Formatter /** * 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 string $inner - * @param \stdClass $block + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block */ - protected function blockLines($inner, $block) + protected function blockLines(OutputBlock $block) { + $inner = $this->indentStr(); + $glue = $this->break . $inner; + echo $inner . implode($glue, $block->lines); if (! empty($block->children)) { @@ -105,35 +130,57 @@ abstract class Formatter } } + /** + * Output block selectors + * + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block + */ + protected function blockSelectors(OutputBlock $block) + { + $inner = $this->indentStr(); + + echo $inner + . implode($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 \stdClass $block + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block */ - protected function block($block) + protected function block(OutputBlock $block) { if (empty($block->lines) && empty($block->children)) { return; } - $inner = $pre = $this->indentStr(); + $pre = $this->indentStr(); if (! empty($block->selectors)) { - echo $pre - . implode($this->tagSeparator, $block->selectors) - . $this->open . $this->break; + $this->blockSelectors($block); $this->indentLevel++; - - $inner = $this->indentStr(); } if (! empty($block->lines)) { - $this->blockLines($inner, $block); + $this->blockLines($block); } - foreach ($block->children as $child) { - $this->block($child); + if (! empty($block->children)) { + $this->blockChildren($block); } if (! empty($block->selectors)) { @@ -150,11 +197,13 @@ abstract class Formatter /** * Entry point to formatting a block * - * @param \stdClass $block An abstract syntax tree + * @api + * + * @param \Leafo\ScssPhp\Formatter\OutputBlock $block An abstract syntax tree * * @return string */ - public function format($block) + public function format(OutputBlock $block) { ob_start(); diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compact.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compact.php index 29874c96c2..94abe32950 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compact.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compact.php @@ -14,7 +14,7 @@ namespace Leafo\ScssPhp\Formatter; use Leafo\ScssPhp\Formatter; /** - * SCSS compact formatter + * Compact formatter * * @author Leaf Corcoran */ @@ -32,12 +32,13 @@ class Compact extends Formatter $this->close = "}\n\n"; $this->tagSeparator = ','; $this->assignSeparator = ':'; + $this->keepSemicolons = true; } /** * {@inheritdoc} */ - public function indentStr($n = 0) + public function indentStr() { return ' '; } diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compressed.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compressed.php index c95b68b324..df7bc75fb3 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compressed.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Compressed.php @@ -12,9 +12,10 @@ namespace Leafo\ScssPhp\Formatter; use Leafo\ScssPhp\Formatter; +use Leafo\ScssPhp\Formatter\OutputBlock; /** - * SCSS compressed formatter + * Compressed formatter * * @author Leaf Corcoran */ @@ -32,33 +33,16 @@ class Compressed extends Formatter $this->close = '}'; $this->tagSeparator = ','; $this->assignSeparator = ':'; + $this->keepSemicolons = false; } /** * {@inheritdoc} */ - public function indentStr($n = 0) + public function blockLines(OutputBlock $block) { - return ''; - } + $inner = $this->indentStr(); - /** - * {@inheritdoc} - */ - public function stripSemicolon(&$lines) - { - if (($count = count($lines)) - && substr($lines[$count - 1], -1) === ';' - ) { - $lines[$count - 1] = substr($lines[$count - 1], 0, -1); - } - } - - /** - * {@inheritdoc} - */ - public function blockLines($inner, $block) - { $glue = $this->break . $inner; foreach ($block->lines as $index => $line) { @@ -75,15 +59,4 @@ class Compressed extends Formatter echo $this->break; } } - - /** - * {@inherit} - */ - public function format($block) - { - return parent::format($block); - - // TODO: we need to fix the 2 "compressed" tests where the "close" is applied - return trim(str_replace(';}', '}', parent::format($block))); - } } diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Crunched.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Crunched.php index 1227c12279..ccba1333bf 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Crunched.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Crunched.php @@ -12,9 +12,10 @@ namespace Leafo\ScssPhp\Formatter; use Leafo\ScssPhp\Formatter; +use Leafo\ScssPhp\Formatter\OutputBlock; /** - * SCSS crunched formatter + * Crunched formatter * * @author Anthon Pang */ @@ -32,33 +33,16 @@ class Crunched extends Formatter $this->close = '}'; $this->tagSeparator = ','; $this->assignSeparator = ':'; + $this->keepSemicolons = false; } /** * {@inheritdoc} */ - public function indentStr($n = 0) + public function blockLines(OutputBlock $block) { - return ''; - } - - /** - * {@inheritdoc} - */ - public function stripSemicolon(&$lines) - { - if (($count = count($lines)) - && substr($lines[$count - 1], -1) === ';' - ) { - $lines[$count - 1] = substr($lines[$count - 1], 0, -1); - } - } + $inner = $this->indentStr(); - /** - * {@inheritdoc} - */ - public function blockLines($inner, $block) - { $glue = $this->break . $inner; foreach ($block->lines as $index => $line) { diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Debug.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Debug.php new file mode 100644 index 0000000000..855742e7b0 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Debug.php @@ -0,0 +1,119 @@ + + */ +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)) { + echo "{$indent}block->lines: []\n"; + + return; + } + + foreach ($block->lines as $index => $line) { + echo "{$indent}block->lines[{$index}]: $line\n"; + } + } + + /** + * {@inheritdoc} + */ + protected function blockSelectors(OutputBlock $block) + { + $indent = $this->indentStr(); + + if (empty($block->selectors)) { + echo "{$indent}block->selectors: []\n"; + + return; + } + + foreach ($block->selectors as $index => $selector) { + echo "{$indent}block->selectors[{$index}]: $selector\n"; + } + } + + /** + * {@inheritdoc} + */ + protected function blockChildren(OutputBlock $block) + { + $indent = $this->indentStr(); + + if (empty($block->children)) { + echo "{$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 = $this->indentStr(); + + echo "{$indent}block->type: {$block->type}\n" . + "{$indent}block->depth: {$block->depth}\n"; + + $this->blockSelectors($block); + $this->blockLines($block); + $this->blockChildren($block); + } +} diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Expanded.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Expanded.php index fbf85c1e18..54db742ffd 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Expanded.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Expanded.php @@ -12,9 +12,10 @@ namespace Leafo\ScssPhp\Formatter; use Leafo\ScssPhp\Formatter; +use Leafo\ScssPhp\Formatter\OutputBlock; /** - * SCSS expanded formatter + * Expanded formatter * * @author Leaf Corcoran */ @@ -32,13 +33,24 @@ class Expanded extends Formatter $this->close = '}'; $this->tagSeparator = ', '; $this->assignSeparator = ': '; + $this->keepSemicolons = true; } /** * {@inheritdoc} */ - protected function blockLines($inner, $block) + protected function indentStr() { + return str_repeat($this->indentChar, $this->indentLevel); + } + + /** + * {@inheritdoc} + */ + protected function blockLines(OutputBlock $block) + { + $inner = $this->indentStr(); + $glue = $this->break . $inner; foreach ($block->lines as $index => $line) { diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Nested.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Nested.php index bd2c4d2136..9fdb4dd0ab 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Nested.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/Nested.php @@ -12,14 +12,20 @@ namespace Leafo\ScssPhp\Formatter; use Leafo\ScssPhp\Formatter; +use Leafo\ScssPhp\Formatter\OutputBlock; /** - * SCSS nested formatter + * Nested formatter * * @author Leaf Corcoran */ class Nested extends Formatter { + /** + * @var integer + */ + private $depth; + /** * {@inheritdoc} */ @@ -32,55 +38,26 @@ class Nested extends Formatter $this->close = ' }'; $this->tagSeparator = ', '; $this->assignSeparator = ': '; + $this->keepSemicolons = true; } /** - * Adjust the depths of all children, depth first - * - * @param \stdClass $block + * {@inheritdoc} */ - public function adjustAllChildren($block) + protected function indentStr() { - // flatten empty nested blocks - $children = array(); - foreach ($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; + $n = $this->depth - 1; - // make relative to parent - foreach ($block->children as $child) { - $this->adjustAllChildren($child); - $child->depth = $child->depth - $block->depth; - } + return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); } /** * {@inheritdoc} */ - protected function blockLines($inner, $block) + protected function blockLines(OutputBlock $block) { + $inner = $this->indentStr(); + $glue = $this->break . $inner; foreach ($block->lines as $index => $line) { @@ -99,25 +76,20 @@ class Nested extends Formatter /** * {@inheritdoc} */ - protected function block($block) + protected function blockSelectors(OutputBlock $block) { - if ($block->type === 'root') { - $this->adjustAllChildren($block); - } - - $inner = $pre = $this->indentStr($block->depth - 1); - if (! empty($block->selectors)) { - echo $pre . - implode($this->tagSeparator, $block->selectors) . - $this->open . $this->break; - $this->indentLevel++; - $inner = $this->indentStr($block->depth - 1); - } + $inner = $this->indentStr(); - if (! empty($block->lines)) { - $this->blockLines($inner, $block); - } + echo $inner + . implode($this->tagSeparator, $block->selectors) + . $this->open . $this->break; + } + /** + * {@inheritdoc} + */ + protected function blockChildren(OutputBlock $block) + { foreach ($block->children as $i => $child) { $this->block($child); @@ -126,15 +98,47 @@ class Nested extends Formatter if (isset($block->children[$i + 1])) { $next = $block->children[$i + 1]; + if ($next->depth === max($block->depth, 1) && $child->depth >= $next->depth) { echo $this->break; } } } } + } + + /** + * {@inheritdoc} + */ + protected function block(OutputBlock $block) + { + if ($block->type === 'root') { + $this->adjustAllChildren($block); + } + + if (empty($block->lines) && empty($block->children)) { + return; + } + + $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--; + echo $this->close; } @@ -142,4 +146,53 @@ class Nested extends Formatter echo $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/style/scssphp/src/Formatter/OutputBlock.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/OutputBlock.php new file mode 100644 index 0000000000..bb8d99b4e8 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Formatter/OutputBlock.php @@ -0,0 +1,50 @@ + + */ +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; +} diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Node.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Node.php new file mode 100644 index 0000000000..e6ed178ca2 --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/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/style/scssphp/src/Node/Number.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Node/Number.php new file mode 100644 index 0000000000..a803a6caba --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Node/Number.php @@ -0,0 +1,329 @@ + + */ +class Number extends Node implements \ArrayAccess +{ + /** + * @var integer + */ + static public $precision = 5; + + /** + * @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 = $this->dimension; + + foreach (self::$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, self::$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, self::$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); + list($unit, ) = each($units); + + return (string) $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 => $exp) { + if (isset(self::$unitTable[$baseUnit][$unit])) { + $factor = pow(self::$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/style/scssphp/src/Parser.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Parser.php index 8b27a27e4e..ed0621eae1 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Parser.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Parser.php @@ -11,133 +11,157 @@ namespace Leafo\ScssPhp; +use Leafo\ScssPhp\Block; use Leafo\ScssPhp\Compiler; +use Leafo\ScssPhp\Exception\ParserException; +use Leafo\ScssPhp\Node; +use Leafo\ScssPhp\Type; /** - * SCSS parser + * Parser * * @author Leaf Corcoran */ class Parser { - const SOURCE_POSITION = -1; - const SOURCE_PARSER = -2; + const SOURCE_INDEX = -1; + const SOURCE_LINE = -2; + const SOURCE_COLUMN = -3; /** * @var array */ - protected static $precedence = array( - '=' => 0, - 'or' => 1, + protected static $precedence = [ + '=' => 0, + 'or' => 1, 'and' => 2, - '==' => 3, - '!=' => 3, - '<=' => 4, - '>=' => 4, - '<' => 4, - '>' => 4, - '+' => 5, - '-' => 5, - '*' => 6, - '/' => 6, - '%' => 6, - ); - - /** - * @var array - */ - protected static $operators = array( - '+', - '-', - '*', - '/', - '%', - '==', - '!=', - '<=', - '>=', - '<', - '>', - 'and', - 'or', - ); - - protected static $operatorStr; + '==' => 3, + '!=' => 3, + '<=>' => 3, + '<=' => 4, + '>=' => 4, + '<' => 4, + '>' => 4, + '+' => 5, + '-' => 5, + '*' => 6, + '/' => 6, + '%' => 6, + ]; + + protected static $commentPattern; + protected static $operatorPattern; protected static $whitePattern; - protected static $commentMulti; - - protected static $commentSingle = '//'; - protected static $commentMultiLeft = '/*'; - protected static $commentMultiRight = '*/'; private $sourceName; - private $rootParser; + 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 boolean $rootParser + * @param integer $sourceIndex + * @param string $encoding */ - public function __construct($sourceName = null, $rootParser = true) + public function __construct($sourceName, $sourceIndex = 0, $encoding = 'utf-8') { - $this->sourceName = $sourceName; - $this->rootParser = $rootParser; - $this->charset = null; + $this->sourceName = $sourceName ?: '(stdin)'; + $this->sourceIndex = $sourceIndex; + $this->charset = null; + $this->utf8 = ! $encoding || strtolower($encoding) === 'utf-8'; + $this->patternModifiers = $this->utf8 ? 'Aisu' : 'Ais'; - if (empty(self::$operatorStr)) { - self::$operatorStr = $this->makeOperatorStr(self::$operators); + if (empty(self::$operatorPattern)) { + self::$operatorPattern = '([*\/%+-]|[!=]\=|\>\=?|\<\=\>|\<\=?|and|or)'; - $commentSingle = $this->pregQuote(self::$commentSingle); - $commentMultiLeft = $this->pregQuote(self::$commentMultiLeft); - $commentMultiRight = $this->pregQuote(self::$commentMultiRight); - self::$commentMulti = $commentMultiLeft . '.*?' . $commentMultiRight; - self::$whitePattern = '/' . $commentSingle . '[^\n]*\s*|(' . self::$commentMulti . ')\s*|\s+/Ais'; + $commentSingle = '\/\/'; + $commentMultiLeft = '\/\*'; + $commentMultiRight = '\*\/'; + + self::$commentPattern = $commentMultiLeft . '.*?' . $commentMultiRight; + self::$whitePattern = $this->utf8 + ? '/' . $commentSingle . '[^\n]*\s*|(' . self::$commentPattern . ')\s*|\s+/AisuS' + : '/' . $commentSingle . '[^\n]*\s*|(' . self::$commentPattern . ')\s*|\s+/AisS'; } } /** - * Make operator regex + * Get source file name * - * @param array $operators + * @api * * @return string */ - protected static function makeOperatorStr($operators) + public function getSourceName() + { + return $this->sourceName; + } + + /** + * Throw parser error + * + * @api + * + * @param string $msg + * + * @throws \Leafo\ScssPhp\Exception\ParserException + */ + public function throwParseError($msg = 'parse error') { - return '(' - . implode('|', array_map(array('Leafo\ScssPhp\Parser', 'pregQuote'), $operators)) - . ')'; + list($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 * - * @param string $buffer; + * @api * - * @return \stdClass + * @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->buffer = $buffer; - $this->pushBlock(null); // root block + $this->saveEncoding(); + $this->extractLineNumbers($buffer); + $this->pushBlock(null); // root block $this->whitespace(); $this->pushBlock(null); $this->popBlock(); - while (false !== $this->parseChunk()) { + while ($this->parseChunk()) { ; } @@ -155,12 +179,16 @@ class Parser $this->env->isRoot = true; + $this->restoreEncoding(); + return $this->env; } /** * Parse a value or value list * + * @api + * * @param string $buffer * @param string $out * @@ -174,12 +202,20 @@ class Parser $this->eatWhiteDefault = true; $this->buffer = (string) $buffer; - return $this->valueList($out); + $this->saveEncoding(); + + $list = $this->valueList($out); + + $this->restoreEncoding(); + + return $list; } /** * Parse a selector or selector list * + * @api + * * @param string $buffer * @param string $out * @@ -193,7 +229,13 @@ class Parser $this->eatWhiteDefault = true; $this->buffer = (string) $buffer; - return $this->selectors($out); + $this->saveEncoding(); + + $selector = $this->selectors($out); + + $this->restoreEncoding(); + + return $selector; } /** @@ -241,8 +283,22 @@ class Parser // the directives if (isset($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('media', $s); + $media = $this->pushSpecialBlock(Type::T_MEDIA, $s); $media->queryList = $mediaQueryList[2]; return true; @@ -255,7 +311,7 @@ class Parser ($this->argumentDef($args) || true) && $this->literal('{') ) { - $mixin = $this->pushSpecialBlock('mixin', $s); + $mixin = $this->pushSpecialBlock(Type::T_MIXIN, $s); $mixin->name = $mixinName; $mixin->args = $args; @@ -272,11 +328,10 @@ class Parser ($this->end() || $this->literal('{') && $hasBlock = true) ) { - $child = array('include', - $mixinName, isset($argValues) ? $argValues : null, null); + $child = [Type::T_INCLUDE, $mixinName, isset($argValues) ? $argValues : null, null]; if (! empty($hasBlock)) { - $include = $this->pushSpecialBlock('include', $s); + $include = $this->pushSpecialBlock(Type::T_INCLUDE, $s); $include->child = $child; } else { $this->append($child, $s); @@ -287,11 +342,22 @@ class Parser $this->seek($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(array('import', $importPath), $s); + $this->append([Type::T_IMPORT, $importPath], $s); return true; } @@ -302,7 +368,7 @@ class Parser $this->url($importPath) && $this->end() ) { - $this->append(array('import', $importPath), $s); + $this->append([Type::T_IMPORT, $importPath], $s); return true; } @@ -310,10 +376,12 @@ class Parser $this->seek($s); if ($this->literal('@extend') && - $this->selectors($selector) && + $this->selectors($selectors) && $this->end() ) { - $this->append(array('extend', $selector), $s); + // check for '!flag' + $optional = $this->stripOptionalFlag($selectors); + $this->append([Type::T_EXTEND, $selectors, $optional], $s); return true; } @@ -325,7 +393,7 @@ class Parser $this->argumentDef($args) && $this->literal('{') ) { - $func = $this->pushSpecialBlock('function', $s); + $func = $this->pushSpecialBlock(Type::T_FUNCTION, $s); $func->name = $fnName; $func->args = $args; @@ -334,8 +402,25 @@ class Parser $this->seek($s); - if ($this->literal('@return') && $this->valueList($retVal) && $this->end()) { - $this->append(array('return', $retVal), $s); + if ($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; } @@ -348,7 +433,7 @@ class Parser $this->valueList($list) && $this->literal('{') ) { - $each = $this->pushSpecialBlock('each', $s); + $each = $this->pushSpecialBlock(Type::T_EACH, $s); foreach ($varNames[2] as $varName) { $each->vars[] = $varName[1]; @@ -365,7 +450,7 @@ class Parser $this->expression($cond) && $this->literal('{') ) { - $while = $this->pushSpecialBlock('while', $s); + $while = $this->pushSpecialBlock(Type::T_WHILE, $s); $while->cond = $cond; return true; @@ -382,7 +467,7 @@ class Parser $this->expression($end) && $this->literal('{') ) { - $for = $this->pushSpecialBlock('for', $s); + $for = $this->pushSpecialBlock(Type::T_FOR, $s); $for->var = $varName[1]; $for->start = $start; $for->end = $end; @@ -394,9 +479,9 @@ class Parser $this->seek($s); if ($this->literal('@if') && $this->valueList($cond) && $this->literal('{')) { - $if = $this->pushSpecialBlock('if', $s); + $if = $this->pushSpecialBlock(Type::T_IF, $s); $if->cond = $cond; - $if->cases = array(); + $if->cases = []; return true; } @@ -407,7 +492,7 @@ class Parser $this->valueList($value) && $this->end() ) { - $this->append(array('debug', $value), $s); + $this->append([Type::T_DEBUG, $value], $s); return true; } @@ -418,7 +503,7 @@ class Parser $this->valueList($value) && $this->end() ) { - $this->append(array('warn', $value), $s); + $this->append([Type::T_WARN, $value], $s); return true; } @@ -429,7 +514,7 @@ class Parser $this->valueList($value) && $this->end() ) { - $this->append(array('error', $value), $s); + $this->append([Type::T_ERROR, $value], $s); return true; } @@ -437,7 +522,7 @@ class Parser $this->seek($s); if ($this->literal('@content') && $this->end()) { - $this->append(array('mixin_content'), $s); + $this->append([Type::T_MIXIN_CONTENT], $s); return true; } @@ -446,14 +531,14 @@ class Parser $last = $this->last(); - if (isset($last) && $last[0] === 'if') { + if (isset($last) && $last[0] === Type::T_IF) { list(, $if) = $last; if ($this->literal('@else')) { if ($this->literal('{')) { - $else = $this->pushSpecialBlock('else', $s); + $else = $this->pushSpecialBlock(Type::T_ELSE, $s); } elseif ($this->literal('if') && $this->valueList($cond) && $this->literal('{')) { - $else = $this->pushSpecialBlock('elseif', $s); + $else = $this->pushSpecialBlock(Type::T_ELSEIF, $s); $else->cond = $cond; } @@ -470,16 +555,17 @@ class Parser // only retain the first @charset directive encountered if ($this->literal('@charset') && - $this->valueList($charset) && $this->end() + $this->valueList($charset) && + $this->end() ) { if (! isset($this->charset)) { - $statement = array('charset', $charset); + $statement = [Type::T_CHARSET, $charset]; - $statement[self::SOURCE_POSITION] = $s; + list($line, $column) = $this->getSourcePosition($s); - if (! $this->rootParser) { - $statement[self::SOURCE_PARSER] = $this; - } + $statement[self::SOURCE_LINE] = $line; + $statement[self::SOURCE_COLUMN] = $column; + $statement[self::SOURCE_INDEX] = $this->sourceIndex; $this->charset = $statement; } @@ -490,12 +576,17 @@ class Parser $this->seek($s); // doesn't match built in directive, do generic one - if ($this->literal('@', false) && $this->keyword($dirName) && + if ($this->literal('@', false) && + $this->keyword($dirName) && ($this->variable($dirValue) || $this->openString('{', $dirValue) || true) && $this->literal('{') ) { - $directive = $this->pushSpecialBlock('directive', $s); - $directive->name = $dirName; + if ($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; @@ -516,8 +607,8 @@ class Parser $this->valueList($value) && $this->end() ) { - $name = array('string', '', array($name)); - $this->append(array('assign', $name, $value), $s); + $name = [Type::T_STRING, '', [$name]]; + $this->append([Type::T_ASSIGN, $name, $value], $s); return true; } @@ -527,11 +618,12 @@ class Parser // variable assigns if ($this->variable($name) && $this->literal(':') && - $this->valueList($value) && $this->end() + $this->valueList($value) && + $this->end() ) { // check for '!flag' - $assignmentFlag = $this->stripAssignmentFlag($value); - $this->append(array('assign', $name, $value, $assignmentFlag), $s); + $assignmentFlags = $this->stripAssignmentFlags($value); + $this->append([Type::T_ASSIGN, $name, $value, $assignmentFlags], $s); return true; } @@ -545,7 +637,7 @@ class Parser // opening css block if ($this->selectors($selectors) && $this->literal('{')) { - $b = $this->pushBlock($selectors, $s); + $this->pushBlock($selectors, $s); return true; } @@ -557,12 +649,12 @@ class Parser $foundSomething = false; if ($this->valueList($value)) { - $this->append(array('assign', $name, $value), $s); + $this->append([Type::T_ASSIGN, $name, $value], $s); $foundSomething = true; } if ($this->literal('{')) { - $propBlock = $this->pushSpecialBlock('nestedprop', $s); + $propBlock = $this->pushSpecialBlock(Type::T_NESTED_PROPERTY, $s); $propBlock->prefix = $name; $foundSomething = true; } elseif ($foundSomething) { @@ -580,14 +672,14 @@ class Parser if ($this->literal('}')) { $block = $this->popBlock(); - if (isset($block->type) && $block->type === 'include') { + if (isset($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 : 'block'; - $this->append(array($type, $block), $s); + $type = isset($block->type) ? $block->type : Type::T_BLOCK; + $this->append([$type, $block], $s); } return true; @@ -603,90 +695,35 @@ class Parser return false; } - /** - * Strip assignment flag from the list - * - * @param array $value - * - * @return string - */ - protected function stripAssignmentFlag(&$value) - { - $token = &$value; - - for ($token = &$value; $token[0] === 'list' && ($s = count($token[2])); $token = &$lastNode) { - $lastNode = &$token[2][$s - 1]; - - if ($lastNode[0] === 'keyword' && in_array($lastNode[1], array('!default', '!global'))) { - array_pop($token[2]); - - $token = $this->flattenList($token); - - return $lastNode[1]; - } - } - - return false; - } - - /** - * Match literal string - * - * @param string $what - * @param boolean $eatWhitespace - * - * @return boolean - */ - protected function literal($what, $eatWhitespace = null) - { - if (! isset($eatWhitespace)) { - $eatWhitespace = $this->eatWhiteDefault; - } - - // shortcut on single letter - if (! isset($what[1]) && isset($this->buffer[$this->count])) { - if ($this->buffer[$this->count] === $what) { - if (! $eatWhitespace) { - $this->count++; - - return true; - } - // goes below... - } else { - return false; - } - } - - return $this->match($this->pregQuote($what), $m, $eatWhitespace); - } - /** * Push block onto parse tree * * @param array $selectors * @param integer $pos * - * @return \stdClass + * @return \Leafo\ScssPhp\Block */ protected function pushBlock($selectors, $pos = 0) { - $b = new \stdClass; - $b->parent = $this->env; // not sure if we need this yet + list($line, $column) = $this->getSourcePosition($pos); - $b->sourcePosition = $pos; - $b->sourceParser = $this; - $b->selectors = $selectors; - $b->comments = array(); + $b = new Block; + $b->sourceLine = $line; + $b->sourceColumn = $column; + $b->sourceIndex = $this->sourceIndex; + $b->selectors = $selectors; + $b->comments = []; + $b->parent = $this->env; if (! $this->env) { - $b->children = array(); + $b->children = []; } elseif (empty($this->env->children)) { $this->env->children = $this->env->comments; - $b->children = array(); - $this->env->comments = array(); + $b->children = []; + $this->env->comments = []; } else { $b->children = $this->env->comments; - $this->env->comments = array(); + $this->env->comments = []; } $this->env = $b; @@ -700,7 +737,7 @@ class Parser * @param string $type * @param integer $pos * - * @return \stdClass + * @return \Leafo\ScssPhp\Block */ protected function pushSpecialBlock($type, $pos) { @@ -713,7 +750,7 @@ class Parser /** * Pop scope and return last block * - * @return \stdClass + * @return \Leafo\ScssPhp\Block * * @throws \Exception */ @@ -738,150 +775,310 @@ class Parser } /** - * Append comment to current block + * Peek input stream * - * @param array $comment - */ - protected function appendComment($comment) - { - $comment[1] = substr(preg_replace(array('/^\s+/m', '/^(.)/m'), array('', ' \1'), $comment[1]), 1); - - $this->env->comments[] = $comment; - } - - /** - * Append statement to current block + * @param string $regex + * @param array $out + * @param integer $from * - * @param array $statement - * @param integer $pos + * @return integer */ - protected function append($statement, $pos = null) + protected function peek($regex, &$out, $from = null) { - if ($pos !== null) { - $statement[self::SOURCE_POSITION] = $pos; - - if (! $this->rootParser) { - $statement[self::SOURCE_PARSER] = $this; - } + if (! isset($from)) { + $from = $this->count; } - $this->env->children[] = $statement; - - $comments = $this->env->comments; + $r = '/' . $regex . '/' . $this->patternModifiers; + $result = preg_match($r, $this->buffer, $out, null, $from); - if (count($comments)) { - $this->env->children = array_merge($this->env->children, $comments); - $this->env->comments = array(); - } + return $result; } /** - * Returns last child was appended + * Seek to position in input stream (or return current position in input stream) * - * @return array|null + * @param integer $where + * + * @return integer */ - protected function last() + protected function seek($where = null) { - $i = count($this->env->children) - 1; - - if (isset($this->env->children[$i])) { - return $this->env->children[$i]; + if ($where === null) { + return $this->count; } - } - /** - * Parse media query list - * - * @param array $out - * - * @return boolean - */ - protected function mediaQueryList(&$out) - { - return $this->genericList($out, 'mediaQuery', ',', false); + $this->count = $where; + + return true; } /** - * Parse media query + * Match string looking for either ending delim, escape, or string interpolation * - * @param array $out + * {@internal This is a workaround for preg_match's 250K string match limit. }} * - * @return boolean + * @param array $m Matches (passed by reference) + * @param string $delim Delimeter + * + * @return boolean True if match; false otherwise */ - protected function mediaQuery(&$out) + protected function matchString(&$m, $delim) { - $s = $this->seek(); - - $expressions = null; - $parts = array(); - - if (($this->literal('only') && ($only = true) || $this->literal('not') && ($not = true) || true) && - $this->mixedKeyword($mediaType) - ) { - $prop = array('mediaType'); - - if (isset($only)) { - $prop[] = array('keyword', 'only'); - } + $token = null; - if (isset($not)) { - $prop[] = array('keyword', 'not'); - } + $end = strlen($this->buffer); - $media = array('list', '', array()); + // look for either ending delim, escape, or string interpolation + foreach (['#{', '\\', $delim] as $lookahead) { + $pos = strpos($this->buffer, $lookahead, $this->count); - foreach ((array)$mediaType as $type) { - if (is_array($type)) { - $media[2][] = $type; - } else { - $media[2][] = array('keyword', $type); - } + if ($pos !== false && $pos < $end) { + $end = $pos; + $token = $lookahead; } - - $prop[] = $media; - $parts[] = $prop; } - if (empty($parts) || $this->literal('and')) { - $this->genericList($expressions, 'mediaExpression', 'and', false); - - if (is_array($expressions)) { - $parts = array_merge($parts, $expressions[2]); - } + if (! isset($token)) { + return false; } - $out = $parts; + $match = substr($this->buffer, $this->count, $end - $this->count); + $m = [ + $match . $token, + $match, + $token + ]; + $this->count = $end + strlen($token); return true; } /** - * Parse media expression + * Try to match something on head of buffer * - * @param array $out + * @param string $regex + * @param array $out + * @param boolean $eatWhitespace * * @return boolean */ - protected function mediaExpression(&$out) + protected function match($regex, &$out, $eatWhitespace = null) { - $s = $this->seek(); - $value = null; + if (! isset($eatWhitespace)) { + $eatWhitespace = $this->eatWhiteDefault; + } - if ($this->literal('(') && - $this->expression($feature) && - ($this->literal(':') && $this->expression($value) || true) && - $this->literal(')') - ) { - $out = array('mediaExp', $feature); + $r = '/' . $regex . '/' . $this->patternModifiers; - if ($value) { - $out[] = $value; + if (preg_match($r, $this->buffer, $out, null, $this->count)) { + $this->count += strlen($out[0]); + + if ($eatWhitespace) { + $this->whitespace(); } return true; } - $this->seek($s); + return false; + } + + /** + * Match literal string + * + * @param string $what + * @param boolean $eatWhitespace + * + * @return boolean + */ + protected function literal($what, $eatWhitespace = null) + { + if (! isset($eatWhitespace)) { + $eatWhitespace = $this->eatWhiteDefault; + } + + $len = strlen($what); + + if (strcasecmp(substr($this->buffer, $this->count, $len), $what) === 0) { + $this->count += $len; + + if ($eatWhitespace) { + $this->whitespace(); + } + + return true; + } + + return false; + } + + /** + * Match some whitespace + * + * @return boolean + */ + protected function whitespace() + { + $gotWhite = false; + + while (preg_match(self::$whitePattern, $this->buffer, $m, null, $this->count)) { + if (isset($m[1]) && empty($this->commentsSeen[$this->count])) { + $this->appendComment([Type::T_COMMENT, $m[1]]); + + $this->commentsSeen[$this->count] = true; + } + + $this->count += strlen($m[0]); + $gotWhite = true; + } + + return $gotWhite; + } + + /** + * Append comment to current block + * + * @param array $comment + */ + protected function appendComment($comment) + { + $comment[1] = substr(preg_replace(['/^\s+/m', '/^(.)/m'], ['', ' \1'], $comment[1]), 1); + + $this->env->comments[] = $comment; + } + + /** + * Append statement to current block + * + * @param array $statement + * @param integer $pos + */ + protected function append($statement, $pos = null) + { + if ($pos !== null) { + list($line, $column) = $this->getSourcePosition($pos); + + $statement[self::SOURCE_LINE] = $line; + $statement[self::SOURCE_COLUMN] = $column; + $statement[self::SOURCE_INDEX] = $this->sourceIndex; + } + + $this->env->children[] = $statement; + + $comments = $this->env->comments; + + if (count($comments)) { + $this->env->children = array_merge($this->env->children, $comments); + $this->env->comments = []; + } + } + + /** + * Returns last child was appended + * + * @return array|null + */ + protected function last() + { + $i = count($this->env->children) - 1; + + if (isset($this->env->children[$i])) { + return $this->env->children[$i]; + } + } + + /** + * Parse media query list + * + * @param array $out + * + * @return boolean + */ + protected function mediaQueryList(&$out) + { + return $this->genericList($out, 'mediaQuery', ',', false); + } + + /** + * Parse media query + * + * @param array $out + * + * @return boolean + */ + protected function mediaQuery(&$out) + { + $expressions = null; + $parts = []; + + if (($this->literal('only') && ($only = true) || $this->literal('not') && ($not = true) || true) && + $this->mixedKeyword($mediaType) + ) { + $prop = [Type::T_MEDIA_TYPE]; + + if (isset($only)) { + $prop[] = [Type::T_KEYWORD, 'only']; + } + + if (isset($not)) { + $prop[] = [Type::T_KEYWORD, 'not']; + } + + $media = [Type::T_LIST, '', []]; + + foreach ((array) $mediaType as $type) { + if (is_array($type)) { + $media[2][] = $type; + } else { + $media[2][] = [Type::T_KEYWORD, $type]; + } + } + + $prop[] = $media; + $parts[] = $prop; + } + + if (empty($parts) || $this->literal('and')) { + $this->genericList($expressions, 'mediaExpression', 'and', false); + + if (is_array($expressions)) { + $parts = array_merge($parts, $expressions[2]); + } + } + + $out = $parts; + + return true; + } + + /** + * Parse media expression + * + * @param array $out + * + * @return boolean + */ + protected function mediaExpression(&$out) + { + $s = $this->seek(); + $value = null; + + if ($this->literal('(') && + $this->expression($feature) && + ($this->literal(':') && $this->expression($value) || true) && + $this->literal(')') + ) { + $out = [Type::T_MEDIA_EXPRESSION, $feature]; + + if ($value) { + $out[] = $value; + } + + return true; + } + + $this->seek($s); return false; } @@ -923,7 +1120,7 @@ class Parser } if ($this->genericList($value, 'expression')) { - $out = array($keyword, $value, false); + $out = [$keyword, $value, false]; $s = $this->seek(); if ($this->literal('...')) { @@ -939,7 +1136,7 @@ class Parser } /** - * Parse list + * Parse comma separated value list * * @param string $out * @@ -951,7 +1148,7 @@ class Parser } /** - * Parse space list + * Parse space separated value list * * @param array $out * @@ -975,7 +1172,7 @@ class Parser protected function genericList(&$out, $parseItem, $delim = '', $flatten = true) { $s = $this->seek(); - $items = array(); + $items = []; while ($this->$parseItem($value)) { $items[] = $value; @@ -996,7 +1193,7 @@ class Parser if ($flatten && count($items) === 1) { $out = $items[0]; } else { - $out = array('list', $delim, $items); + $out = [Type::T_LIST, $delim, $items]; } return true; @@ -1015,12 +1212,12 @@ class Parser if ($this->literal('(')) { if ($this->literal(')')) { - $out = array('list', '', array()); + $out = [Type::T_LIST, '', []]; return true; } - if ($this->valueList($out) && $this->literal(')') && $out[0] === 'list') { + if ($this->valueList($out) && $this->literal(')') && $out[0] === Type::T_LIST) { return true; } @@ -1052,13 +1249,13 @@ class Parser */ protected function expHelper($lhs, $minP) { - $opstr = self::$operatorStr; + $operators = self::$operatorPattern; $ss = $this->seek(); $whiteBefore = isset($this->buffer[$this->count - 1]) && ctype_space($this->buffer[$this->count - 1]); - while ($this->match($opstr, $m, false) && self::$precedence[$m[1]] >= $minP) { + while ($this->match($operators, $m, false) && self::$precedence[$m[1]] >= $minP) { $whiteAfter = isset($this->buffer[$this->count]) && ctype_space($this->buffer[$this->count]); $varAfter = isset($this->buffer[$this->count]) && @@ -1078,11 +1275,11 @@ class Parser } // peek and see if rhs belongs to next operator - if ($this->peek($opstr, $next) && self::$precedence[$next[1]] > self::$precedence[$op]) { + if ($this->peek($operators, $next) && self::$precedence[$next[1]] > self::$precedence[$op]) { $rhs = $this->expHelper($rhs, self::$precedence[$next[1]]); } - $lhs = array('exp', $op, $lhs, $rhs, $this->inParens, $whiteBefore, $whiteAfter); + $lhs = [Type::T_EXPRESSION, $op, $lhs, $rhs, $this->inParens, $whiteBefore, $whiteAfter]; $ss = $this->seek(); $whiteBefore = isset($this->buffer[$this->count - 1]) && ctype_space($this->buffer[$this->count - 1]); @@ -1105,7 +1302,15 @@ class Parser $s = $this->seek(); if ($this->literal('not', false) && $this->whitespace() && $this->value($inner)) { - $out = array('unary', 'not', $inner, $this->inParens); + $out = [Type::T_UNARY, 'not', $inner, $this->inParens]; + + return true; + } + + $this->seek($s); + + if ($this->literal('not', false) && $this->parenValue($inner)) { + $out = [Type::T_UNARY, 'not', $inner, $this->inParens]; return true; } @@ -1113,7 +1318,7 @@ class Parser $this->seek($s); if ($this->literal('+') && $this->value($inner)) { - $out = array('unary', '+', $inner, $this->inParens); + $out = [Type::T_UNARY, '+', $inner, $this->inParens]; return true; } @@ -1126,7 +1331,7 @@ class Parser $this->unit($inner) || $this->parenValue($inner)) ) { - $out = array('unary', '-', $inner, $this->inParens); + $out = [Type::T_UNARY, '-', $inner, $this->inParens]; return true; } @@ -1147,9 +1352,9 @@ class Parser if ($this->keyword($keyword)) { if ($keyword === 'null') { - $out = array('null'); + $out = [Type::T_NULL]; } else { - $out = array('keyword', $keyword); + $out = [Type::T_KEYWORD, $keyword]; } return true; @@ -1173,7 +1378,7 @@ class Parser if ($this->literal('(')) { if ($this->literal(')')) { - $out = array('list', '', array()); + $out = [Type::T_LIST, '', []]; return true; } @@ -1212,9 +1417,9 @@ class Parser $this->openString(')', $args, '('); if ($this->literal(')')) { - $out = array('string', '', array( + $out = [Type::T_STRING, '', [ 'progid:', $fn, '(', $args, ')' - )); + ]]; return true; } @@ -1240,7 +1445,7 @@ class Parser $this->literal('(') ) { if ($name === 'alpha' && $this->argumentList($args)) { - $func = array('function', $name, array('string', '', $args)); + $func = [Type::T_FUNCTION, $name, [Type::T_STRING, '', $args]]; return true; } @@ -1249,7 +1454,7 @@ class Parser $ss = $this->seek(); if ($this->argValues($args) && $this->literal(')')) { - $func = array('fncall', $name, $args); + $func = [Type::T_FUNCTION_CALL, $name, $args]; return true; } @@ -1257,16 +1462,16 @@ class Parser $this->seek($ss); } - if (($this->openString(')', $str, '(') || true ) && + if (($this->openString(')', $str, '(') || true) && $this->literal(')') ) { - $args = array(); + $args = []; if (! empty($str)) { - $args[] = array(null, array('string', '', array($str))); + $args[] = [null, [Type::T_STRING, '', [$str]]]; } - $func = array('fncall', $name, $args); + $func = [Type::T_FUNCTION_CALL, $name, $args]; return true; } @@ -1289,13 +1494,11 @@ class Parser $s = $this->seek(); $this->literal('('); - $args = array(); + $args = []; while ($this->keyword($var)) { - $ss = $this->seek(); - if ($this->literal('=') && $this->expression($exp)) { - $args[] = array('string', '', array($var . '=')); + $args[] = [Type::T_STRING, '', [$var . '=']]; $arg = $exp; } else { break; @@ -1307,7 +1510,7 @@ class Parser break; } - $args[] = array('string', '', array(', ')); + $args[] = [Type::T_STRING, '', [', ']]; } if (! $this->literal(')') || ! count($args)) { @@ -1333,10 +1536,10 @@ class Parser $s = $this->seek(); $this->literal('('); - $args = array(); + $args = []; while ($this->variable($var)) { - $arg = array($var[1], null, false); + $arg = [$var[1], null, false]; $ss = $this->seek(); @@ -1390,13 +1593,15 @@ class Parser { $s = $this->seek(); - $this->literal('('); + if (! $this->literal('(')) { + return false; + } - $keys = array(); - $values = array(); + $keys = []; + $values = []; - while ($this->genericList($key, 'expression') && $this->literal(':') - && $this->genericList($value, 'expression') + while ($this->genericList($key, 'expression') && $this->literal(':') && + $this->genericList($value, 'expression') ) { $keys[] = $key; $values[] = $value; @@ -1412,7 +1617,7 @@ class Parser return false; } - $out = array('map', $keys, $values); + $out = [Type::T_MAP, $keys, $values]; return true; } @@ -1426,24 +1631,24 @@ class Parser */ protected function color(&$out) { - $color = array('color'); + $color = [Type::T_COLOR]; if ($this->match('(#([0-9a-f]{6})|#([0-9a-f]{3}))', $m)) { if (isset($m[3])) { - $num = $m[3]; - $width = 16; - } else { - $num = $m[2]; - $width = 256; - } + $num = hexdec($m[3]); - $num = hexdec($num); - - foreach (array(3, 2, 1) as $i) { - $t = $num % $width; - $num /= $width; + foreach ([3, 2, 1] as $i) { + $t = $num & 0xf; + $color[$i] = $t << 4 | $t; + $num >>= 4; + } + } else { + $num = hexdec($m[2]); - $color[$i] = $t * (256/$width) + $t * floor(16/$width); + foreach ([3, 2, 1] as $i) { + $color[$i] = $num & 0xff; + $num >>= 8; + } } $out = $color; @@ -1464,7 +1669,7 @@ class Parser protected function unit(&$unit) { if ($this->match('([0-9]*(\.)?[0-9]+)([%a-zA-Z]+)?', $m)) { - $unit = array('number', $m[1], empty($m[3]) ? '' : $m[3]); + $unit = new Node\Number($m[1], empty($m[3]) ? '' : $m[3]); return true; } @@ -1485,33 +1690,39 @@ class Parser if ($this->literal('"', false)) { $delim = '"'; - } elseif ($this->literal('\'', false)) { - $delim = '\''; + } elseif ($this->literal("'", false)) { + $delim = "'"; } else { return false; } - $content = array(); + $content = []; $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; + $hasInterpolation = false; while ($this->matchString($m, $delim)) { - $content[] = $m[1]; + if ($m[1] !== '') { + $content[] = $m[1]; + } if ($m[2] === '#{') { $this->count -= strlen($m[2]); if ($this->interpolation($inter, false)) { $content[] = $inter; + $hasInterpolation = true; } else { $this->count += strlen($m[2]); $content[] = '#{'; // ignore it } } elseif ($m[2] === '\\') { - $content[] = $m[2]; - - if ($this->literal($delim, false)) { - $content[] = $delim; + if ($this->literal('"', false)) { + $content[] = $m[2] . '"'; + } elseif ($this->literal("'", false)) { + $content[] = $m[2] . "'"; + } else { + $content[] = $m[2]; } } else { $this->count -= strlen($delim); @@ -1522,7 +1733,19 @@ class Parser $this->eatWhiteDefault = $oldWhite; if ($this->literal($delim)) { - $out = array('string', $delim, $content); + if ($hasInterpolation) { + $delim = '"'; + + foreach ($content as &$string) { + if ($string === "\\'") { + $string = "'"; + } elseif ($string === '\\"') { + $string = '"'; + } + } + } + + $out = [Type::T_STRING, $delim, $content]; return true; } @@ -1541,14 +1764,12 @@ class Parser */ protected function mixedKeyword(&$out) { - $s = $this->seek(); - - $parts = array(); + $parts = []; $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; - while (true) { + for (;;) { if ($this->keyword($key)) { $parts[] = $key; continue; @@ -1591,15 +1812,11 @@ class Parser $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; - $stop = array('\'', '"', '#{', $end); - $stop = array_map(array($this, 'pregQuote'), $stop); - $stop[] = self::$commentMulti; - - $patt = '(.*?)(' . implode('|', $stop) . ')'; + $patt = '(.*?)([\'"]|#\{|' . $this->pregQuote($end) . '|' . self::$commentPattern . ')'; $nestingLevel = 0; - $content = array(); + $content = []; while ($this->match($patt, $m, false)) { if (isset($m[1]) && $m[1] !== '') { @@ -1618,7 +1835,7 @@ class Parser break; } - if (($tok === '\'' || $tok === '"') && $this->string($str)) { + if (($tok === "'" || $tok === '"') && $this->string($str)) { $content[] = $str; continue; } @@ -1643,7 +1860,7 @@ class Parser $content[count($content) - 1] = rtrim(end($content)); } - $out = array('string', '', $content); + $out = [Type::T_STRING, '', $content]; return true; } @@ -1664,8 +1881,6 @@ class Parser $s = $this->seek(); if ($this->literal('#{') && $this->valueList($value) && $this->literal('}', false)) { - // TODO: don't error if out of bounds - if ($lookWhite) { $left = preg_match('/\s/', $this->buffer[$s - 1]) ? ' ' : ''; $right = preg_match('/\s/', $this->buffer[$this->count]) ? ' ': ''; @@ -1673,17 +1888,19 @@ class Parser $left = $right = false; } - $out = array('interpolate', $value, $left, $right); + $out = [Type::T_INTERPOLATE, $value, $left, $right]; $this->eatWhiteDefault = $oldWhite; if ($this->eatWhiteDefault) { $this->whitespace(); } + return true; } $this->seek($s); $this->eatWhiteDefault = $oldWhite; + return false; } @@ -1696,23 +1913,29 @@ class Parser */ protected function propertyName(&$out) { - $s = $this->seek(); - $parts = array(); + $parts = []; $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; - while (true) { + for (;;) { if ($this->interpolation($inter)) { $parts[] = $inter; - } elseif ($this->keyword($text)) { + continue; + } + + if ($this->keyword($text)) { $parts[] = $text; - } elseif (count($parts) === 0 && $this->match('[:.#]', $m, false)) { + continue; + } + + if (count($parts) === 0 && $this->match('[:.#]', $m, false)) { // css hacks $parts[] = $m[0]; - } else { - break; + continue; } + + break; } $this->eatWhiteDefault = $oldWhite; @@ -1737,7 +1960,7 @@ class Parser $this->whitespace(); // get any extra whitespace - $out = array('string', '', $parts); + $out = [Type::T_STRING, '', $parts]; return true; } @@ -1752,7 +1975,7 @@ class Parser protected function selectors(&$out) { $s = $this->seek(); - $selectors = array(); + $selectors = []; while ($this->selector($sel)) { $selectors[] = $sel; @@ -1786,20 +2009,26 @@ class Parser */ protected function selector(&$out) { - $selector = array(); + $selector = []; - while (true) { + for (;;) { if ($this->match('[>+~]+', $m)) { - $selector[] = array($m[0]); - } elseif ($this->selectorSingle($part)) { + $selector[] = [$m[0]]; + continue; + } + + if ($this->selectorSingle($part)) { $selector[] = $part; $this->match('\s+', $m); - } elseif ($this->match('\/[^\/]+\/', $m)) { - $selector[] = array($m[0]); - } else { - break; + continue; } + if ($this->match('\/[^\/]+\/', $m)) { + $selector[] = [$m[0]]; + continue; + } + + break; } if (count($selector) === 0) { @@ -1826,13 +2055,13 @@ class Parser $oldWhite = $this->eatWhiteDefault; $this->eatWhiteDefault = false; - $parts = array(); + $parts = []; if ($this->literal('*', false)) { $parts[] = '*'; } - while (true) { + for (;;) { // see if we can stop early if ($this->match('\s*[{,]', $m)) { $this->count--; @@ -1900,7 +2129,7 @@ class Parser $ss = $this->seek(); if ($this->literal('(') && - ($this->openString(')', $str, '(') || true ) && + ($this->openString(')', $str, '(') || true) && $this->literal(')') ) { $parts[] = '('; @@ -1920,60 +2149,23 @@ class Parser $this->seek($s); // attribute selector - // TODO: replace with open string? - if ($this->literal('[', false)) { - $attrParts = array('['); - - // keyword, string, operator - while (true) { - if ($this->literal(']', false)) { - $this->count--; - break; // get out early - } - - if ($this->match('\s+', $m)) { - $attrParts[] = ' '; - continue; - } - - if ($this->string($str)) { - $attrParts[] = $str; - continue; - } - - if ($this->keyword($word)) { - $attrParts[] = $word; - continue; - } - - if ($this->interpolation($inter, false)) { - $attrParts[] = $inter; - continue; - } - - // operator, handles attr namespace too - if ($this->match('[|-~\$\*\^=]+', $m)) { - $attrParts[] = $m[0]; - continue; - } + if ($this->literal('[') && + ($this->openString(']', $str, '[') || true) && + $this->literal(']') + ) { + $parts[] = '['; - break; + if (! empty($str)) { + $parts[] = $str; } - if ($this->literal(']', false)) { - $attrParts[] = ']'; - - foreach ($attrParts as $part) { - $parts[] = $part; - } + $parts[] = ']'; - continue; - } - - $this->seek($s); - // TODO: should just break here? + continue; } + $this->seek($s); + break; } @@ -2000,7 +2192,7 @@ class Parser $s = $this->seek(); if ($this->literal('$', false) && $this->keyword($name)) { - $out = array('var', $name); + $out = [Type::T_VARIABLE, $name]; return true; } @@ -2021,7 +2213,9 @@ class Parser protected function keyword(&$word, $eatWhitespace = null) { if ($this->match( - '(([\w_\-\*!"\']|[\\\\].)([\w\-_"\']|[\\\\].)*)', + $this->utf8 + ? '(([\pL\w_\-\*!"\']|[\\\\].)([\pL\w\-_"\']|[\\\\].)*)' + : '(([\w_\-\*!"\']|[\\\\].)([\w\-_"\']|[\\\\].)*)', $m, $eatWhitespace )) { @@ -2042,7 +2236,12 @@ class Parser */ protected function placeholder(&$placeholder) { - if ($this->match('([\w\-_]+|#[{][$][\w\-_]+[}])', $m)) { + if ($this->match( + $this->utf8 + ? '([\pL\w\-_]+|#[{][$][\pL\w\-_]+[}])' + : '([\w\-_]+|#[{][$][\w\-_]+[}])', + $m + )) { $placeholder = $m[1]; return true; @@ -2061,7 +2260,7 @@ class Parser protected function url(&$out) { if ($this->match('(url\(\s*(["\']?)([^)]+)\2\s*\))', $m)) { - $out = array('string', '', array('url(' . $m[2] . $m[3] . $m[2] . ')')); + $out = [Type::T_STRING, '', ['url(' . $m[2] . $m[3] . $m[2] . ')']]; return true; } @@ -2089,254 +2288,200 @@ class Parser } /** - * @deprecated + * Strip assignment flag from the list * - * {@internal - * advance counter to next occurrence of $what - * $until - don't include $what in advance - * $allowNewline, if string, will be used as valid char set - * }} + * @param array $value + * + * @return array */ - protected function to($what, &$out, $until = false, $allowNewline = false) + protected function stripAssignmentFlags(&$value) { - if (is_string($allowNewline)) { - $validChars = $allowNewline; - } else { - $validChars = $allowNewline ? '.' : "[^\n]"; - } + $flags = []; - if (! $this->match('(' . $validChars . '*?)' . $this->pregQuote($what), $m, ! $until)) { - return false; - } + for ($token = &$value; $token[0] === Type::T_LIST && ($s = count($token[2])); $token = &$lastNode) { + $lastNode = &$token[2][$s - 1]; - if ($until) { - $this->count -= strlen($what); // give back $what - } + while ($lastNode[0] === Type::T_KEYWORD && in_array($lastNode[1], ['!default', '!global'])) { + array_pop($token[2]); - $out = $m[1]; + $node = end($token[2]); - return true; + $token = $this->flattenList($token); + + $flags[] = $lastNode[1]; + + $lastNode = $node; + } + } + + return $flags; } /** - * Throw parser error + * Strip optional flag from selector list * - * @param string $msg - * @param integer $count + * @param array $selectors * - * @throws \Exception + * @return string */ - public function throwParseError($msg = 'parse error', $count = null) + protected function stripOptionalFlag(&$selectors) { - $count = ! isset($count) ? $this->count : $count; + $optional = false; - $line = $this->getLineNo($count); + $selector = end($selectors); + $part = end($selector); - if (! empty($this->sourceName)) { - $loc = "$this->sourceName on line $line"; - } else { - $loc = "line: $line"; - } + if ($part === ['!optional']) { + array_pop($selectors[count($selectors) - 1]); - if ($this->peek("(.*?)(\n|$)", $m, $count)) { - throw new \Exception("$msg: failed at `$m[1]` $loc"); + $optional = true; } - throw new \Exception("$msg: $loc"); - } - - /** - * Get source file name - * - * @return string - */ - public function getSourceName() - { - return $this->sourceName; + return $optional; } /** - * Get source line number (given character position in the buffer) + * Turn list of length 1 into value type * - * @param integer $pos + * @param array $value * - * @return integer + * @return array */ - public function getLineNo($pos) + protected function flattenList($value) { - return 1 + substr_count(substr($this->buffer, 0, $pos), "\n"); + if ($value[0] === Type::T_LIST && count($value[2]) === 1) { + return $this->flattenList($value[2][0]); + } + + return $value; } /** - * Match string looking for either ending delim, escape, or string interpolation - * - * {@internal This is a workaround for preg_match's 250K string match limit. }} - * - * @param array $m Matches (passed by reference) - * @param string $delim Delimeter + * @deprecated * - * @return boolean True if match; false otherwise + * {@internal + * advance counter to next occurrence of $what + * $until - don't include $what in advance + * $allowNewline, if string, will be used as valid char set + * }} */ - protected function matchString(&$m, $delim) + protected function to($what, &$out, $until = false, $allowNewline = false) { - $token = null; - - $end = strlen($this->buffer); - - // look for either ending delim, escape, or string interpolation - foreach (array('#{', '\\', $delim) as $lookahead) { - $pos = strpos($this->buffer, $lookahead, $this->count); - - if ($pos !== false && $pos < $end) { - $end = $pos; - $token = $lookahead; - } + if (is_string($allowNewline)) { + $validChars = $allowNewline; + } else { + $validChars = $allowNewline ? '.' : "[^\n]"; } - if (! isset($token)) { + if (! $this->match('(' . $validChars . '*?)' . $this->pregQuote($what), $m, ! $until)) { return false; } - $match = substr($this->buffer, $this->count, $end - $this->count); - $m = array( - $match . $token, - $match, - $token - ); - $this->count = $end + strlen($token); + if ($until) { + $this->count -= strlen($what); // give back $what + } + + $out = $m[1]; return true; } /** - * Try to match something on head of buffer - * - * @param string $regex - * @param array $out - * @param boolean $eatWhitespace - * - * @return boolean + * @deprecated */ - protected function match($regex, &$out, $eatWhitespace = null) + protected function show() { - if (! isset($eatWhitespace)) { - $eatWhitespace = $this->eatWhiteDefault; - } - - $r = '/' . $regex . '/Ais'; - - if (preg_match($r, $this->buffer, $out, null, $this->count)) { - $this->count += strlen($out[0]); - - if ($eatWhitespace) { - $this->whitespace(); - } - - return true; + if ($this->peek("(.*?)(\n|$)", $m, $this->count)) { + return $m[1]; } - return false; + return ''; } /** - * Match some whitespace + * Quote regular expression * - * @return boolean + * @param string $what + * + * @return string */ - protected function whitespace() + private function pregQuote($what) { - $gotWhite = false; - - while (preg_match(self::$whitePattern, $this->buffer, $m, null, $this->count)) { - if (isset($m[1]) && empty($this->commentsSeen[$this->count])) { - $this->appendComment(array('comment', $m[1])); - - $this->commentsSeen[$this->count] = true; - } - - $this->count += strlen($m[0]); - $gotWhite = true; - } - - return $gotWhite; + return preg_quote($what, '/'); } /** - * Peek input stream - * - * @param string $regex - * @param array $out - * @param integer $from + * Extract line numbers from buffer * - * @return integer + * @param string $buffer */ - protected function peek($regex, &$out, $from = null) + private function extractLineNumbers($buffer) { - if (! isset($from)) { - $from = $this->count; + $this->sourcePositions = [0 => 0]; + $prev = 0; + + while (($pos = strpos($buffer, "\n", $prev)) !== false) { + $this->sourcePositions[] = $pos; + $prev = $pos + 1; } - $r = '/' . $regex . '/Ais'; - $result = preg_match($r, $this->buffer, $out, null, $from); + $this->sourcePositions[] = strlen($buffer); - return $result; + if (substr($buffer, -1) !== "\n") { + $this->sourcePositions[] = strlen($buffer) + 1; + } } /** - * Seek to position in input stream (or return current position in input stream) + * Get source line number and column (given character position in the buffer) * - * @param integer $where + * @param integer $pos * * @return integer */ - protected function seek($where = null) + private function getSourcePosition($pos) { - if ($where === null) { - return $this->count; - } + $low = 0; + $high = count($this->sourcePositions); - $this->count = $where; + while ($low < $high) { + $mid = (int) (($high + $low) / 2); - return true; - } + if ($pos < $this->sourcePositions[$mid]) { + $high = $mid - 1; + continue; + } - /** - * Quote regular expression - * - * @param string $what - * - * @return string - */ - public static function pregQuote($what) - { - return preg_quote($what, '/'); + if ($pos >= $this->sourcePositions[$mid + 1]) { + $low = $mid + 1; + continue; + } + + return [$mid + 1, $pos - $this->sourcePositions[$mid]]; + } + + return [$low + 1, $pos - $this->sourcePositions[$low]]; } /** - * @deprecated + * Save internal encoding */ - protected function show() + private function saveEncoding() { - if ($this->peek("(.*?)(\n|$)", $m, $this->count)) { - return $m[1]; - } + if (ini_get('mbstring.func_overload') & 2) { + $this->encoding = mb_internal_encoding(); - return ''; + mb_internal_encoding('iso-8859-1'); + } } /** - * Turn list of length 1 into value type - * - * @param array $value - * - * @return array + * Restore internal encoding */ - protected function flattenList($value) + private function restoreEncoding() { - if ($value[0] === 'list' && count($value[2]) === 1) { - return $this->flattenList($value[2][0]); + if ($this->encoding) { + mb_internal_encoding($this->encoding); } - - return $value; } } diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Server.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Server.php index 5bd9bef0c8..221655cad8 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Server.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Server.php @@ -12,10 +12,11 @@ namespace Leafo\ScssPhp; use Leafo\ScssPhp\Compiler; +use Leafo\ScssPhp\Exception\ServerException; use Leafo\ScssPhp\Version; /** - * SCSS server + * Server * * @author Leaf Corcoran */ @@ -115,13 +116,12 @@ class Server /** * Determine whether .scss file needs to be re-compiled. * - * @param string $in Input path * @param string $out Output path * @param string $etag ETag * * @return boolean True if compile required. */ - protected function needsCompile($in, $out, &$etag) + protected function needsCompile($out, &$etag) { if (! is_file($out)) { return true; @@ -129,21 +129,25 @@ class Server $mtime = filemtime($out); - if (filemtime($in) > $mtime) { - return true; - } - $metadataName = $this->metadataName($out); if (is_readable($metadataName)) { $metadata = unserialize(file_get_contents($metadataName)); - foreach ($metadata['imports'] as $import => $importMtime) { - if ($importMtime > $mtime) { + foreach ($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; @@ -203,20 +207,21 @@ class Server $elapsed = round((microtime(true) - $start), 4); $v = Version::VERSION; - $t = @date('r'); + $t = date('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(array( + serialize([ 'etag' => $etag, 'imports' => $this->scss->getParsedFiles(), - )) + 'vars' => crc32(serialize($this->scss->getVariables())), + ]) ); - return array($css, $etag); + return [$css, $etag]; } /** @@ -226,11 +231,11 @@ class Server * * @return string */ - protected function createErrorCSS($error) + protected function createErrorCSS(\Exception $error) { $message = str_replace( - array("'", "\n"), - array("\\'", "\\A"), + ["'", "\n"], + ["\\'", "\\A"], $error->getfile() . ":\n\n" . $error->getMessage() ); @@ -264,11 +269,13 @@ class Server * @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 \Exception('load error: failed to find ' . $in); + throw new ServerException('load error: failed to find ' . $in); } $pi = pathinfo($in); @@ -318,7 +325,7 @@ class Server $output = $this->cacheName($salt . $input); $etag = $noneMatch = trim($this->getIfNoneMatchHeader(), '"'); - if ($this->needsCompile($input, $output, $etag)) { + if ($this->needsCompile($output, $etag)) { try { list($css, $etag) = $this->compile($input, $output); @@ -329,7 +336,6 @@ class Server header('ETag: "' . $etag . '"'); echo $css; - } catch (\Exception $e) { if ($this->showErrorsAsCSS) { header('Content-type: text/css'); @@ -341,7 +347,6 @@ class Server echo 'Parse error: ' . $e->getMessage() . "\n"; } - } return; @@ -360,7 +365,7 @@ class Server $modifiedSince = $this->getIfModifiedSinceHeader(); $mtime = filemtime($output); - if (@strtotime($modifiedSince) === $mtime) { + if (strtotime($modifiedSince) === $mtime) { header($protocol . ' 304 Not Modified'); return; @@ -390,19 +395,19 @@ class Server * * @return string Compiled CSS results * - * @throws \Exception + * @throws \Leafo\ScssPhp\Exception\ServerException */ public function checkedCachedCompile($in, $out, $force = false) { if (! is_file($in) || ! is_readable($in)) { - throw new \Exception('Invalid or unreadable input file specified.'); + throw new ServerException('Invalid or unreadable input file specified.'); } if (is_dir($out) || ! is_writable(file_exists($out) ? $out : dirname($out))) { - throw new \Exception('Invalid or unwritable output file specified.'); + throw new ServerException('Invalid or unwritable output file specified.'); } - if ($force || $this->needsCompile($in, $out, $etag)) { + if ($force || $this->needsCompile($out, $etag)) { list($css, $etag) = $this->compile($in, $out); } else { $css = file_get_contents($out); @@ -439,6 +444,10 @@ class Server $this->scss = $scss; $this->showErrorsAsCSS = false; + + if (! ini_get('date.timezone')) { + date_default_timezone_set('UTC'); + } } /** diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Type.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Type.php new file mode 100644 index 0000000000..8c3886c82d --- /dev/null +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Type.php @@ -0,0 +1,69 @@ + + */ +class Type +{ + const T_ASSIGN = 'assign'; + const T_AT_ROOT = 'at-root'; + const T_BLOCK = 'block'; + const T_BREAK = 'break'; + const T_CHARSET = 'charset'; + const T_COLOR = 'color'; + const T_COMMENT = 'comment'; + const T_CONTINUE = 'continue'; + const T_CONTROL = 'control'; + const T_DEBUG = 'debug'; + const T_DIRECTIVE = 'directive'; + const T_EACH = 'each'; + const T_ELSE = 'else'; + const T_ELSEIF = 'elseif'; + const T_ERROR = 'error'; + const T_EXPRESSION = 'exp'; + const T_EXTEND = 'extend'; + const T_FOR = 'for'; + const T_FUNCTION = 'function'; + const T_FUNCTION_CALL = 'fncall'; + const T_HSL = 'hsl'; + const T_IF = 'if'; + const T_IMPORT = 'import'; + const T_INCLUDE = 'include'; + const T_INTERPOLATE = 'interpolate'; + const T_INTERPOLATED = 'interpolated'; + const T_KEYWORD = 'keyword'; + const T_LIST = 'list'; + const T_MAP = 'map'; + const T_MEDIA = 'media'; + const T_MEDIA_EXPRESSION = 'mediaExp'; + const T_MEDIA_TYPE = 'mediaType'; + const T_MEDIA_VALUE = 'mediaValue'; + const T_MIXIN = 'mixin'; + const T_MIXIN_CONTENT = 'mixin_content'; + const T_NESTED_PROPERTY = 'nestedprop'; + const T_NOT = 'not'; + const T_NULL = 'null'; + const T_NUMBER = 'number'; + const T_RETURN = 'return'; + const T_ROOT = 'root'; + const T_SCSSPHP_IMPORT_ONCE = 'scssphp-import-once'; + const T_SELF = 'self'; + const T_STRING = 'string'; + const T_UNARY = 'unary'; + const T_VARIABLE = 'var'; + const T_WARN = 'warn'; + const T_WHILE = 'while'; +} diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Util.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Util.php index 714acdb895..9f47c1d797 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Util.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Util.php @@ -14,7 +14,7 @@ namespace Leafo\ScssPhp; use Leafo\ScssPhp\Base\Range; /** - * SCSS utilties + * Utilties * * @author Anthon Pang */ diff --git a/wcfsetup/install/files/lib/system/style/scssphp/src/Version.php b/wcfsetup/install/files/lib/system/style/scssphp/src/Version.php index c650a26dbe..80cdeee5ad 100644 --- a/wcfsetup/install/files/lib/system/style/scssphp/src/Version.php +++ b/wcfsetup/install/files/lib/system/style/scssphp/src/Version.php @@ -18,5 +18,5 @@ namespace Leafo\ScssPhp; */ class Version { - const VERSION = 'v0.3.0'; + const VERSION = 'v0.6.6'; } diff --git a/wcfsetup/install/files/style/ui/imageViewer.scss b/wcfsetup/install/files/style/ui/imageViewer.scss index 0e25bf650a..7229f742c0 100644 --- a/wcfsetup/install/files/style/ui/imageViewer.scss +++ b/wcfsetup/install/files/style/ui/imageViewer.scss @@ -236,7 +236,7 @@ $wcfImageViewerFontColor: rgba(211, 211, 211, 1); -ms-user-select: none;*/ @extend .icon48; - @extend .icon-spinner; + @extend .fa-spinner; } > img { @@ -404,8 +404,8 @@ $wcfImageViewerFontColor: rgba(211, 211, 211, 1); &.loading{ &:before { - @extend .icon-48; - @extend .icon-spinner; + @extend .icon48; + @extend .fa-spinner; } > img { @@ -450,4 +450,4 @@ $wcfImageViewerFontColor: rgba(211, 211, 211, 1); } } } -} \ No newline at end of file +} -- 2.20.1