public function apply(array &$tokens) { if (!isset($this->configuration["BasePath"]) || !is_dir($this->configuration["BasePath"])) { CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Base path <code>" . ($this->configuration["BasePath"] ? $this->configuration["BasePath"] : "null") . "</code> is not a directory")); return 0; } for ($i = 0, $l = count($tokens); $i < $l; $i++) { if (get_class($tokens[$i]) === "CssAtImportToken") { $import = $this->configuration["BasePath"] . "/" . $tokens[$i]->Import; if (!is_file($import)) { CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Import file <code>" . $import . "</code> was not found.", (string) $tokens[$i])); } elseif (in_array($import, $this->imported)) { CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Import file <code>" . $import . "</code> was already imported.", (string) $tokens[$i])); $tokens[$i] = null; } else { $this->imported[] = $import; $parser = new CssParser(file_get_contents($import)); $import = $parser->getTokens(); if (count($tokens[$i]->MediaTypes) > 0 && !(count($tokens[$i]->MediaTypes) == 1 && $tokens[$i]->MediaTypes[0] == "all")) { $blocks = array(); for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtImportToken") { if (count($import[$ii]->MediaTypes) == 0 || count($import[$ii]->MediaTypes) == 1 && $import[$ii]->MediaTypes[0] == "all") { $import[$ii]->MediaTypes = $tokens[$i]->MediaTypes; } elseif (count($import[$ii]->MediaTypes > 0)) { foreach ($import[$ii]->MediaTypes as $index => $mediaType) { if (!in_array($mediaType, $tokens[$i]->MediaTypes)) { unset($import[$ii]->MediaTypes[$index]); } } $import[$ii]->MediaTypes = array_values($import[$ii]->MediaTypes); if (count($import[$ii]->MediaTypes) == 0) { $import[$ii] = null; } } } } for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken") { foreach ($import[$ii]->MediaTypes as $index => $mediaType) { if (!in_array($mediaType, $tokens[$i]->MediaTypes)) { unset($import[$ii]->MediaTypes[$index]); } $import[$ii]->MediaTypes = array_values($import[$ii]->MediaTypes); } } } for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken") { if (count($import[$ii]->MediaTypes) === 0) { for ($iii = $ii; $iii < $ll; $iii++) { if (get_class($import[$iii]) === "CssAtMediaEndToken") { break; } } if (get_class($import[$iii]) === "CssAtMediaEndToken") { array_splice($import, $ii, $iii - $ii + 1, array()); $ll = count($import); } } } } for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken" && count(array_diff($tokens[$i]->MediaTypes, $import[$ii]->MediaTypes)) === 0) { for ($iii = $ii; $iii < $ll; $iii++) { if (get_class($import[$iii]) == "CssAtMediaEndToken") { break; } } if (get_class($import[$iii]) == "CssAtMediaEndToken") { unset($import[$ii]); unset($import[$iii]); $import = array_values($import); $ll = count($import); } } } for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { $class = get_class($import[$ii]); if ($class === "CssAtImportToken" || $class === "CssAtCharsetToken") { $blocks = array_merge($blocks, array_splice($import, $ii, 1, array())); $ll = count($import); } } for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { $class = get_class($import[$ii]); if ($class === "CssAtFontFaceStartToken" || $class === "CssAtMediaStartToken" || $class === "CssAtPageStartToken" || $class === "CssAtVariablesStartToken") { for ($iii = $ii; $iii < $ll; $iii++) { $class = get_class($import[$iii]); if ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken") { break; } } $class = get_class($import[$iii]); if (isset($import[$iii]) && ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken")) { $blocks = array_merge($blocks, array_splice($import, $ii, $iii - $ii + 1, array())); $ll = count($import); } } } $import = array_merge($blocks, array(new CssAtMediaStartToken($tokens[$i]->MediaTypes)), $import, array(new CssAtMediaEndToken())); } array_splice($tokens, $i, 1, $import); $i--; $l = count($tokens); } } } }
/** * Implements {@link aCssMinifierFilter::filter()}. * * @param array $tokens Array of objects of type aCssToken * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array */ public function apply(array &$tokens) { if (!isset($this->configuration["BasePath"]) || !is_dir($this->configuration["BasePath"])) { CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Base path <code>" . ($this->configuration["BasePath"] ? $this->configuration["BasePath"] : "null") . "</code> is not a directory")); return 0; } for ($i = 0, $l = count($tokens); $i < $l; $i++) { if (get_class($tokens[$i]) === "CssAtImportToken") { $import = $this->configuration["BasePath"] . "/" . $tokens[$i]->Import; // Import file was not found/is not a file if (!is_file($import)) { CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Import file <code>" . $import . "</code> was not found.", (string) $tokens[$i])); } elseif (in_array($import, $this->imported)) { CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Import file <code>" . $import . "</code> was already imported.", (string) $tokens[$i])); $tokens[$i] = null; } else { $this->imported[] = $import; $parser = new CssParser(file_get_contents($import)); $import = $parser->getTokens(); // The @import at-rule has media types defined requiring special handling if (count($tokens[$i]->MediaTypes) > 0 && !(count($tokens[$i]->MediaTypes) == 1 && $tokens[$i]->MediaTypes[0] == "all")) { $blocks = array(); /* * Filter or set media types of @import at-rule or remove the @import at-rule if no media type is matching the parent @import at-rule */ for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtImportToken") { // @import at-rule defines no media type or only the "all" media type; set the media types to the one defined in the parent @import at-rule if (count($import[$ii]->MediaTypes) == 0 || count($import[$ii]->MediaTypes) == 1 && $import[$ii]->MediaTypes[0] == "all") { $import[$ii]->MediaTypes = $tokens[$i]->MediaTypes; } elseif (count($import[$ii]->MediaTypes > 0)) { foreach ($import[$ii]->MediaTypes as $index => $mediaType) { if (!in_array($mediaType, $tokens[$i]->MediaTypes)) { unset($import[$ii]->MediaTypes[$index]); } } $import[$ii]->MediaTypes = array_values($import[$ii]->MediaTypes); // If there are no media types left in the @import at-rule remove the @import at-rule if (count($import[$ii]->MediaTypes) == 0) { $import[$ii] = null; } } } } /* * Remove media types of @media at-rule block not defined in the @import at-rule */ for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken") { foreach ($import[$ii]->MediaTypes as $index => $mediaType) { if (!in_array($mediaType, $tokens[$i]->MediaTypes)) { unset($import[$ii]->MediaTypes[$index]); } $import[$ii]->MediaTypes = array_values($import[$ii]->MediaTypes); } } } /* * If no media types left of the @media at-rule block remove the complete block */ for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken") { if (count($import[$ii]->MediaTypes) === 0) { for ($iii = $ii; $iii < $ll; $iii++) { if (get_class($import[$iii]) === "CssAtMediaEndToken") { break; } } if (get_class($import[$iii]) === "CssAtMediaEndToken") { array_splice($import, $ii, $iii - $ii + 1, array()); $ll = count($import); } } } } /* * If the media types of the @media at-rule equals the media types defined in the @import * at-rule remove the CssAtMediaStartToken and CssAtMediaEndToken token */ for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { if (get_class($import[$ii]) === "CssAtMediaStartToken" && count(array_diff($tokens[$i]->MediaTypes, $import[$ii]->MediaTypes)) === 0) { for ($iii = $ii; $iii < $ll; $iii++) { if (get_class($import[$iii]) == "CssAtMediaEndToken") { break; } } if (get_class($import[$iii]) == "CssAtMediaEndToken") { unset($import[$ii]); unset($import[$iii]); $import = array_values($import); $ll = count($import); } } } /** * Extract CssAtImportToken and CssAtCharsetToken tokens */ for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { $class = get_class($import[$ii]); if ($class === "CssAtImportToken" || $class === "CssAtCharsetToken") { $blocks = array_merge($blocks, array_splice($import, $ii, 1, array())); $ll = count($import); } } /* * Extract the @font-face, @media and @page at-rule block */ for ($ii = 0, $ll = count($import); $ii < $ll; $ii++) { $class = get_class($import[$ii]); if ($class === "CssAtFontFaceStartToken" || $class === "CssAtMediaStartToken" || $class === "CssAtPageStartToken" || $class === "CssAtVariablesStartToken") { for ($iii = $ii; $iii < $ll; $iii++) { $class = get_class($import[$iii]); if ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken") { break; } } $class = get_class($import[$iii]); if (isset($import[$iii]) && ($class === "CssAtFontFaceEndToken" || $class === "CssAtMediaEndToken" || $class === "CssAtPageEndToken" || $class === "CssAtVariablesEndToken")) { $blocks = array_merge($blocks, array_splice($import, $ii, $iii - $ii + 1, array())); $ll = count($import); } } } // Create the import array with extracted tokens and the rulesets wrapped into a @media at-rule block $import = array_merge($blocks, array(new CssAtMediaStartToken($tokens[$i]->MediaTypes)), $import, array(new CssAtMediaEndToken())); } // Insert the imported tokens array_splice($tokens, $i, 1, $import); // Modify parameters of the for-loop $i--; $l = count($tokens); } } } }
/** * Minifies the CSS source. * * @param string $source CSS source * @return string */ public function minify($source) { // Variables $r = ""; $parser = new CssParser($source); $tokens = $parser->getTokens(); $filters = $this->filters; $filterCount = count($this->filters); $plugins = $this->plugins; $pluginCount = count($plugins); $pluginIndex = array(); $pluginTriggerTokens = array(); $globalTriggerTokens = array(); for ($i = 0, $l = count($plugins); $i < $l; $i++) { $tPluginClassName = get_class($plugins[$i]); $pluginTriggerTokens[$i] = $plugins[$i]->getTriggerTokens(); foreach ($pluginTriggerTokens[$i] as $v) { if (!in_array($v, $globalTriggerTokens)) { $globalTriggerTokens[] = $v; } } $pluginTriggerTokens[$i] = "|" . implode("|", $pluginTriggerTokens[$i]) . "|"; $pluginIndex[$tPluginClassName] = $i; } $globalTriggerTokens = "|" . implode("|", $globalTriggerTokens) . "|"; /* * Apply filters */ for ($i = 0; $i < $filterCount; $i++) { // Apply the filter; if the return value is larger than 0... if ($filters[$i]->apply($tokens) > 0) { // ...then filter null values and rebuild the token array $tokens = array_values(array_filter($tokens)); } } $tokenCount = count($tokens); /* * Apply plugins */ for ($i = 0; $i < $tokenCount; $i++) { $triggerToken = "|" . get_class($tokens[$i]) . "|"; if (strpos($globalTriggerTokens, $triggerToken) !== false) { for ($ii = 0; $ii < $pluginCount; $ii++) { if (strpos($pluginTriggerTokens[$ii], $triggerToken) !== false || $pluginTriggerTokens[$ii] === false) { // Apply the plugin; if the return value is TRUE continue to the next token if ($plugins[$ii]->apply($tokens[$i]) === true) { continue 2; } } } } } // Stringify the tokens for ($i = 0; $i < $tokenCount; $i++) { $r .= (string) $tokens[$i]; } $this->minified = $r; return $r; }
/** * Parse the CSS source. * * @param string $source CSS source * @param array $plugins Plugin configuration [optional] * @return array Array of aCssToken */ public static function parse($source, array $plugins = null) { self::$errors = array(); $parser = new CssParser($source, $plugins); return $parser->getTokens(); }
public function minify($source) { $r = ""; $parser = new CssParser($source); $tokens = $parser->getTokens(); $filters = $this->filters; $filterCount = count($this->filters); $plugins = $this->plugins; $pluginCount = count($plugins); $pluginIndex = array(); $pluginTriggerTokens = array(); $globalTriggerTokens = array(); for ($i = 0, $l = count($plugins); $i < $l; $i++) { $tPluginClassName = get_class($plugins[$i]); $pluginTriggerTokens[$i] = $plugins[$i]->getTriggerTokens(); foreach ($pluginTriggerTokens[$i] as $v) { if (!in_array($v, $globalTriggerTokens)) { $globalTriggerTokens[] = $v; } } $pluginTriggerTokens[$i] = "|" . implode("|", $pluginTriggerTokens[$i]) . "|"; $pluginIndex[$tPluginClassName] = $i; } $globalTriggerTokens = "|" . implode("|", $globalTriggerTokens) . "|"; for ($i = 0; $i < $filterCount; $i++) { if ($filters[$i]->apply($tokens) > 0) { $tokens = array_values(array_filter($tokens)); } } $tokenCount = count($tokens); for ($i = 0; $i < $tokenCount; $i++) { $triggerToken = "|" . get_class($tokens[$i]) . "|"; if (strpos($globalTriggerTokens, $triggerToken) !== false) { for ($ii = 0; $ii < $pluginCount; $ii++) { if (strpos($pluginTriggerTokens[$ii], $triggerToken) !== false || $pluginTriggerTokens[$ii] === false) { if ($plugins[$ii]->apply($tokens[$i]) === true) { continue 2; } } } } } for ($i = 0; $i < $tokenCount; $i++) { $r .= (string) $tokens[$i]; } $this->minified = $r; return $r; }