From 6b8515f0fe678744efec278f1e2eeae302991adf Mon Sep 17 00:00:00 2001 From: emkael Date: Fri, 29 Apr 2016 14:00:14 +0200 Subject: * CssMin library, v3.0.4 --- lib/cssmin/CssMin.classmap.php | 88 + lib/cssmin/CssMin.php | 5130 ++++++++++++++++++++++++++++++++++++++++ lib/cssmin/copyright | 26 + 3 files changed, 5244 insertions(+) create mode 100644 lib/cssmin/CssMin.classmap.php create mode 100644 lib/cssmin/CssMin.php create mode 100644 lib/cssmin/copyright (limited to 'lib') diff --git a/lib/cssmin/CssMin.classmap.php b/lib/cssmin/CssMin.classmap.php new file mode 100644 index 0000000..b2f122f --- /dev/null +++ b/lib/cssmin/CssMin.classmap.php @@ -0,0 +1,88 @@ + '/CssMin.php', + 'acssatblockstarttoken' => '/CssMin.php', + 'acssdeclarationtoken' => '/CssMin.php', + 'acssformatter' => '/CssMin.php', + 'acssminifierfilter' => '/CssMin.php', + 'acssminifierplugin' => '/CssMin.php', + 'acssparserplugin' => '/CssMin.php', + 'acssrulesetendtoken' => '/CssMin.php', + 'acssrulesetstarttoken' => '/CssMin.php', + 'acsstoken' => '/CssMin.php', + 'cssatcharsetparserplugin' => '/CssMin.php', + 'cssatcharsettoken' => '/CssMin.php', + 'cssatfontfacedeclarationtoken' => '/CssMin.php', + 'cssatfontfaceendtoken' => '/CssMin.php', + 'cssatfontfaceparserplugin' => '/CssMin.php', + 'cssatfontfacestarttoken' => '/CssMin.php', + 'cssatimportparserplugin' => '/CssMin.php', + 'cssatimporttoken' => '/CssMin.php', + 'cssatkeyframesendtoken' => '/CssMin.php', + 'cssatkeyframesparserplugin' => '/CssMin.php', + 'cssatkeyframesrulesetdeclarationtoken' => '/CssMin.php', + 'cssatkeyframesrulesetendtoken' => '/CssMin.php', + 'cssatkeyframesrulesetstarttoken' => '/CssMin.php', + 'cssatkeyframesstarttoken' => '/CssMin.php', + 'cssatmediaendtoken' => '/CssMin.php', + 'cssatmediaparserplugin' => '/CssMin.php', + 'cssatmediastarttoken' => '/CssMin.php', + 'cssatpagedeclarationtoken' => '/CssMin.php', + 'cssatpageendtoken' => '/CssMin.php', + 'cssatpageparserplugin' => '/CssMin.php', + 'cssatpagestarttoken' => '/CssMin.php', + 'cssatvariablesdeclarationtoken' => '/CssMin.php', + 'cssatvariablesendtoken' => '/CssMin.php', + 'cssatvariablesparserplugin' => '/CssMin.php', + 'cssatvariablesstarttoken' => '/CssMin.php', + 'csscommentparserplugin' => '/CssMin.php', + 'csscommenttoken' => '/CssMin.php', + 'csscompresscolorvaluesminifierplugin' => '/CssMin.php', + 'csscompressexpressionvaluesminifierplugin' => '/CssMin.php', + 'csscompressunitvaluesminifierplugin' => '/CssMin.php', + 'cssconvertfontweightminifierplugin' => '/CssMin.php', + 'cssconverthslcolorsminifierplugin' => '/CssMin.php', + 'cssconvertlevel3atkeyframesminifierfilter' => '/CssMin.php', + 'cssconvertlevel3propertiesminifierfilter' => '/CssMin.php', + 'cssconvertnamedcolorsminifierplugin' => '/CssMin.php', + 'cssconvertrgbcolorsminifierplugin' => '/CssMin.php', + 'csserror' => '/CssMin.php', + 'cssexpressionparserplugin' => '/CssMin.php', + 'cssimportimportsminifierfilter' => '/CssMin.php', + 'cssmin' => '/CssMin.php', + 'cssminifier' => '/CssMin.php', + 'cssnulltoken' => '/CssMin.php', + 'cssotbsformatter' => '/CssMin.php', + 'cssparser' => '/CssMin.php', + 'cssremovecommentsminifierfilter' => '/CssMin.php', + 'cssremoveemptyatblocksminifierfilter' => '/CssMin.php', + 'cssremoveemptyrulesetsminifierfilter' => '/CssMin.php', + 'cssremovelastdelarationsemicolonminifierfilter' => '/CssMin.php', + 'cssrulesetdeclarationtoken' => '/CssMin.php', + 'cssrulesetendtoken' => '/CssMin.php', + 'cssrulesetparserplugin' => '/CssMin.php', + 'cssrulesetstarttoken' => '/CssMin.php', + 'csssortrulesetpropertiesminifierfilter' => '/CssMin.php', + 'cssstringparserplugin' => '/CssMin.php', + 'cssurlparserplugin' => '/CssMin.php', + 'cssvariablesminifierfilter' => '/CssMin.php', + 'cssvariablesminifierplugin' => '/CssMin.php', + 'csswhitesmithsformatter' => '/CssMin.php' + ); + } + $cn = strtolower($class); + if (isset($classes[$cn])) { + require __DIR__ . $classes[$cn]; + } + }, + true, + false +); +// @codeCoverageIgnoreEnd diff --git a/lib/cssmin/CssMin.php b/lib/cssmin/CssMin.php new file mode 100644 index 0000000..7d8a88f --- /dev/null +++ b/lib/cssmin/CssMin.php @@ -0,0 +1,5130 @@ + + * + * 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. + * -- + * + * @package CssMin + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +/** + * Abstract definition of a CSS token class. + * + * Every token has to extend this class. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssToken +{ + /** + * Returns the token as string. + * + * @return string + */ + abstract public function __toString(); +} + +/** + * Abstract definition of a for a ruleset start token. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssRulesetStartToken extends aCssToken +{ + +} + +/** + * Abstract definition of a for ruleset end token. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssRulesetEndToken extends aCssToken +{ + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "}"; + } +} + +/** + * Abstract definition of a parser plugin. + * + * Every parser plugin have to extend this class. A parser plugin contains the logic to parse one or aspects of a + * stylesheet. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssParserPlugin +{ + /** + * Plugin configuration. + * + * @var array + */ + protected $configuration = array(); + /** + * The CssParser of the plugin. + * + * @var CssParser + */ + protected $parser = null; + /** + * Plugin buffer. + * + * @var string + */ + protected $buffer = ""; + /** + * Constructor. + * + * @param CssParser $parser The CssParser object of this plugin. + * @param array $configuration Plugin configuration [optional] + * @return void + */ + public function __construct(CssParser $parser, array $configuration = null) + { + $this->configuration = $configuration; + $this->parser = $parser; + } + /** + * Returns the array of chars triggering the parser plugin. + * + * @return array + */ + abstract public function getTriggerChars(); + /** + * Returns the array of states triggering the parser plugin or FALSE if every state will trigger the parser plugin. + * + * @return array + */ + abstract public function getTriggerStates(); + /** + * Parser routine of the plugin. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + abstract public function parse($index, $char, $previousChar, $state); +} + +/** + * Abstract definition of a minifier plugin class. + * + * Minifier plugin process the parsed tokens one by one to apply changes to the token. Every minifier plugin has to + * extend this class. + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssMinifierPlugin +{ + /** + * Plugin configuration. + * + * @var array + */ + protected $configuration = array(); + /** + * The CssMinifier of the plugin. + * + * @var CssMinifier + */ + protected $minifier = null; + /** + * Constructor. + * + * @param CssMinifier $minifier The CssMinifier object of this plugin. + * @param array $configuration Plugin configuration [optional] + * @return void + */ + public function __construct(CssMinifier $minifier, array $configuration = array()) + { + $this->configuration = $configuration; + $this->minifier = $minifier; + } + /** + * Apply the plugin to the token. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + abstract public function apply(aCssToken &$token); + /** + * -- + * + * @return array + */ + abstract public function getTriggerTokens(); +} + +/** + * Abstract definition of a minifier filter class. + * + * Minifier filters allows a pre-processing of the parsed token to add, edit or delete tokens. Every minifier filter + * has to extend this class. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssMinifierFilter +{ + /** + * Filter configuration. + * + * @var array + */ + protected $configuration = array(); + /** + * The CssMinifier of the filter. + * + * @var CssMinifier + */ + protected $minifier = null; + /** + * Constructor. + * + * @param CssMinifier $minifier The CssMinifier object of this plugin. + * @param array $configuration Filter configuration [optional] + * @return void + */ + public function __construct(CssMinifier $minifier, array $configuration = array()) + { + $this->configuration = $configuration; + $this->minifier = $minifier; + } + /** + * Filter the tokens. + * + * @param array $tokens Array of objects of type aCssToken + * @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array + */ + abstract public function apply(array &$tokens); +} + +/** + * Abstract formatter definition. + * + * Every formatter have to extend this class. + * + * @package CssMin/Formatter + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssFormatter +{ + /** + * Indent string. + * + * @var string + */ + protected $indent = " "; + /** + * Declaration padding. + * + * @var integer + */ + protected $padding = 0; + /** + * Tokens. + * + * @var array + */ + protected $tokens = array(); + /** + * Constructor. + * + * @param array $tokens Array of CssToken + * @param string $indent Indent string [optional] + * @param integer $padding Declaration value padding [optional] + */ + public function __construct(array $tokens, $indent = null, $padding = null) + { + $this->tokens = $tokens; + $this->indent = !is_null($indent) ? $indent : $this->indent; + $this->padding = !is_null($padding) ? $padding : $this->padding; + } + /** + * Returns the array of aCssToken as formatted string. + * + * @return string + */ + abstract public function __toString(); +} + +/** + * Abstract definition of a ruleset declaration token. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssDeclarationToken extends aCssToken +{ + /** + * Is the declaration flagged as important? + * + * @var boolean + */ + public $IsImportant = false; + /** + * Is the declaration flagged as last one of the ruleset? + * + * @var boolean + */ + public $IsLast = false; + /** + * Property name of the declaration. + * + * @var string + */ + public $Property = ""; + /** + * Value of the declaration. + * + * @var string + */ + public $Value = ""; + /** + * Set the properties of the @font-face declaration. + * + * @param string $property Property of the declaration + * @param string $value Value of the declaration + * @param boolean $isImportant Is the !important flag is set? + * @param boolean $IsLast Is the declaration the last one of the block? + * @return void + */ + public function __construct($property, $value, $isImportant = false, $isLast = false) + { + $this->Property = $property; + $this->Value = $value; + $this->IsImportant = $isImportant; + $this->IsLast = $isLast; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return $this->Property . ":" . $this->Value . ($this->IsImportant ? " !important" : "") . ($this->IsLast ? "" : ";"); + } +} + +/** + * Abstract definition of a for at-rule block start token. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssAtBlockStartToken extends aCssToken +{ + +} + +/** + * Abstract definition of a for at-rule block end token. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +abstract class aCssAtBlockEndToken extends aCssToken +{ + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "}"; + } +} + +/** + * {@link aCssFromatter Formatter} returning the CSS source in {@link http://goo.gl/etzLs Whitesmiths indent style}. + * + * @package CssMin/Formatter + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssWhitesmithsFormatter extends aCssFormatter +{ + /** + * Implements {@link aCssFormatter::__toString()}. + * + * @return string + */ + public function __toString() + { + $r = array(); + $level = 0; + for ($i = 0, $l = count($this->tokens); $i < $l; $i++) + { + $token = $this->tokens[$i]; + $class = get_class($token); + $indent = str_repeat($this->indent, $level); + if ($class === "CssCommentToken") + { + $lines = array_map("trim", explode("\n", $token->Comment)); + for ($ii = 0, $ll = count($lines); $ii < $ll; $ii++) + { + $r[] = $indent . (substr($lines[$ii], 0, 1) == "*" ? " " : "") . $lines[$ii]; + } + } + elseif ($class === "CssAtCharsetToken") + { + $r[] = $indent . "@charset " . $token->Charset . ";"; + } + elseif ($class === "CssAtFontFaceStartToken") + { + $r[] = $indent . "@font-face"; + $r[] = $this->indent . $indent . "{"; + $level++; + } + elseif ($class === "CssAtImportToken") + { + $r[] = $indent . "@import " . $token->Import . " " . implode(", ", $token->MediaTypes) . ";"; + } + elseif ($class === "CssAtKeyframesStartToken") + { + $r[] = $indent . "@keyframes " . $token->Name; + $r[] = $this->indent . $indent . "{"; + $level++; + } + elseif ($class === "CssAtMediaStartToken") + { + $r[] = $indent . "@media " . implode(", ", $token->MediaTypes); + $r[] = $this->indent . $indent . "{"; + $level++; + } + elseif ($class === "CssAtPageStartToken") + { + $r[] = $indent . "@page"; + $r[] = $this->indent . $indent . "{"; + $level++; + } + elseif ($class === "CssAtVariablesStartToken") + { + $r[] = $indent . "@variables " . implode(", ", $token->MediaTypes); + $r[] = $this->indent . $indent . "{"; + $level++; + } + elseif ($class === "CssRulesetStartToken" || $class === "CssAtKeyframesRulesetStartToken") + { + $r[] = $indent . implode(", ", $token->Selectors); + $r[] = $this->indent . $indent . "{"; + $level++; + } + elseif ($class === "CssAtFontFaceDeclarationToken" + || $class === "CssAtKeyframesRulesetDeclarationToken" + || $class === "CssAtPageDeclarationToken" + || $class === "CssAtVariablesDeclarationToken" + || $class === "CssRulesetDeclarationToken" + ) + { + $declaration = $indent . $token->Property . ": "; + if ($this->padding) + { + $declaration = str_pad($declaration, $this->padding, " ", STR_PAD_RIGHT); + } + $r[] = $declaration . $token->Value . ($token->IsImportant ? " !important" : "") . ";"; + } + elseif ($class === "CssAtFontFaceEndToken" + || $class === "CssAtMediaEndToken" + || $class === "CssAtKeyframesEndToken" + || $class === "CssAtKeyframesRulesetEndToken" + || $class === "CssAtPageEndToken" + || $class === "CssAtVariablesEndToken" + || $class === "CssRulesetEndToken" + ) + { + $r[] = $indent . "}"; + $level--; + } + } + return implode("\n", $r); + } +} + +/** + * This {@link aCssMinifierPlugin} will process var-statement and sets the declaration value to the variable value. + * + * This plugin only apply the variable values. The variable values itself will get parsed by the + * {@link CssVariablesMinifierFilter}. + * + * Example: + * + * @variables + * { + * defaultColor: black; + * } + * color: var(defaultColor); + * + * + * Will get converted to: + * + * color:black; + * + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssVariablesMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Regular expression matching a value. + * + * @var string + */ + private $reMatch = "/var\((.+)\)/iSU"; + /** + * Parsed variables. + * + * @var array + */ + private $variables = null; + /** + * Returns the variables. + * + * @return array + */ + public function getVariables() + { + return $this->variables; + } + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (stripos($token->Value, "var") !== false && preg_match_all($this->reMatch, $token->Value, $m)) + { + $mediaTypes = $token->MediaTypes; + if (!in_array("all", $mediaTypes)) + { + $mediaTypes[] = "all"; + } + for ($i = 0, $l = count($m[0]); $i < $l; $i++) + { + $variable = trim($m[1][$i]); + foreach ($mediaTypes as $mediaType) + { + if (isset($this->variables[$mediaType], $this->variables[$mediaType][$variable])) + { + // Variable value found => set the declaration value to the variable value and return + $token->Value = str_replace($m[0][$i], $this->variables[$mediaType][$variable], $token->Value); + continue 2; + } + } + // If no value was found trigger an error and replace the token with a CssNullToken + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": No value found for variable " . $variable . " in media types " . implode(", ", $mediaTypes) . "", (string) $token)); + $token = new CssNullToken(); + return true; + } + } + return false; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } + /** + * Sets the variables. + * + * @param array $variables Variables to set + * @return void + */ + public function setVariables(array $variables) + { + $this->variables = $variables; + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} will parse the variable declarations out of @variables at-rule + * blocks. The variables will get store in the {@link CssVariablesMinifierPlugin} that will apply the variables to + * declaration. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssVariablesMinifierFilter extends aCssMinifierFilter +{ + /** + * 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) + { + $variables = array(); + $defaultMediaTypes = array("all"); + $mediaTypes = array(); + $remove = array(); + for($i = 0, $l = count($tokens); $i < $l; $i++) + { + // @variables at-rule block found + if (get_class($tokens[$i]) === "CssAtVariablesStartToken") + { + $remove[] = $i; + $mediaTypes = (count($tokens[$i]->MediaTypes) == 0 ? $defaultMediaTypes : $tokens[$i]->MediaTypes); + foreach ($mediaTypes as $mediaType) + { + if (!isset($variables[$mediaType])) + { + $variables[$mediaType] = array(); + } + } + // Read the variable declaration tokens + for($i = $i; $i < $l; $i++) + { + // Found a variable declaration => read the variable values + if (get_class($tokens[$i]) === "CssAtVariablesDeclarationToken") + { + foreach ($mediaTypes as $mediaType) + { + $variables[$mediaType][$tokens[$i]->Property] = $tokens[$i]->Value; + } + $remove[] = $i; + } + // Found the variables end token => break; + elseif (get_class($tokens[$i]) === "CssAtVariablesEndToken") + { + $remove[] = $i; + break; + } + } + } + } + // Variables in @variables at-rule blocks + foreach($variables as $mediaType => $null) + { + foreach($variables[$mediaType] as $variable => $value) + { + // If a var() statement in a variable value found... + if (stripos($value, "var") !== false && preg_match_all("/var\((.+)\)/iSU", $value, $m)) + { + // ... then replace the var() statement with the variable values. + for ($i = 0, $l = count($m[0]); $i < $l; $i++) + { + $variables[$mediaType][$variable] = str_replace($m[0][$i], (isset($variables[$mediaType][$m[1][$i]]) ? $variables[$mediaType][$m[1][$i]] : ""), $variables[$mediaType][$variable]); + } + } + } + } + // Remove the complete @variables at-rule block + foreach ($remove as $i) + { + $tokens[$i] = null; + } + if (!($plugin = $this->minifier->getPlugin("CssVariablesMinifierPlugin"))) + { + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": The plugin CssVariablesMinifierPlugin was not found but is required for " . __CLASS__ . "")); + } + else + { + $plugin->setVariables($variables); + } + return count($remove); + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for preserve parsing url() values. + * + * This plugin return no {@link aCssToken CssToken} but ensures that url() values will get parsed properly. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssUrlParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("(", ")"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return false; + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of string + if ($char === "(" && strtolower(substr($this->parser->getSource(), $index - 3, 4)) === "url(" && $state !== "T_URL") + { + $this->parser->pushState("T_URL"); + $this->parser->setExclusive(__CLASS__); + } + // Escaped LF in url => remove escape backslash and LF + elseif ($char === "\n" && $previousChar === "\\" && $state === "T_URL") + { + $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -2)); + } + // Parse error: Unescaped LF in string literal + elseif ($char === "\n" && $previousChar !== "\\" && $state === "T_URL") + { + $line = $this->parser->getBuffer(); + $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -1) . ")"); // Replace the LF with the url string delimiter + $this->parser->popState(); + $this->parser->unsetExclusive(); + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated string literal", $line . "_")); + } + // End of string + elseif ($char === ")" && $state === "T_URL") + { + $this->parser->popState(); + $this->parser->unsetExclusive(); + } + else + { + return false; + } + return true; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for preserve parsing string values. + * + * This plugin return no {@link aCssToken CssToken} but ensures that string values will get parsed properly. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssStringParserPlugin extends aCssParserPlugin +{ + /** + * Current string delimiter char. + * + * @var string + */ + private $delimiterChar = null; + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("\"", "'", "\n"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return false; + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of string + if (($char === "\"" || $char === "'") && $state !== "T_STRING") + { + $this->delimiterChar = $char; + $this->parser->pushState("T_STRING"); + $this->parser->setExclusive(__CLASS__); + } + // Escaped LF in string => remove escape backslash and LF + elseif ($char === "\n" && $previousChar === "\\" && $state === "T_STRING") + { + $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -2)); + } + // Parse error: Unescaped LF in string literal + elseif ($char === "\n" && $previousChar !== "\\" && $state === "T_STRING") + { + $line = $this->parser->getBuffer(); + $this->parser->popState(); + $this->parser->unsetExclusive(); + $this->parser->setBuffer(substr($this->parser->getBuffer(), 0, -1) . $this->delimiterChar); // Replace the LF with the current string char + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated string literal", $line . "_")); + $this->delimiterChar = null; + } + // End of string + elseif ($char === $this->delimiterChar && $state === "T_STRING") + { + // If the Previous char is a escape char count the amount of the previous escape chars. If the amount of + // escape chars is uneven do not end the string + if ($previousChar == "\\") + { + $source = $this->parser->getSource(); + $c = 1; + $i = $index - 2; + while (substr($source, $i, 1) === "\\") + { + $c++; $i--; + } + if ($c % 2) + { + return false; + } + } + $this->parser->popState(); + $this->parser->unsetExclusive(); + $this->delimiterChar = null; + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} sorts the ruleset declarations of a ruleset by name. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Rowan Beentje + * @copyright Rowan Beentje + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssSortRulesetPropertiesMinifierFilter extends aCssMinifierFilter +{ + /** + * Implements {@link aCssMinifierFilter::filter()}. + * + * @param array $tokens Array of objects of type aCssToken + * @return integer Count of added, changed or removed tokens; a return value larger than 0 will rebuild the array + */ + public function apply(array &$tokens) + { + $r = 0; + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + // Only look for ruleset start rules + if (get_class($tokens[$i]) !== "CssRulesetStartToken") { continue; } + // Look for the corresponding ruleset end + $endIndex = false; + for ($ii = $i + 1; $ii < $l; $ii++) + { + if (get_class($tokens[$ii]) !== "CssRulesetEndToken") { continue; } + $endIndex = $ii; + break; + } + if (!$endIndex) { break; } + $startIndex = $i; + $i = $endIndex; + // Skip if there's only one token in this ruleset + if ($endIndex - $startIndex <= 2) { continue; } + // Ensure that everything between the start and end is a declaration token, for safety + for ($ii = $startIndex + 1; $ii < $endIndex; $ii++) + { + if (get_class($tokens[$ii]) !== "CssRulesetDeclarationToken") { continue(2); } + } + $declarations = array_slice($tokens, $startIndex + 1, $endIndex - $startIndex - 1); + // Check whether a sort is required + $sortRequired = $lastPropertyName = false; + foreach ($declarations as $declaration) + { + if ($lastPropertyName) + { + if (strcmp($lastPropertyName, $declaration->Property) > 0) + { + $sortRequired = true; + break; + } + } + $lastPropertyName = $declaration->Property; + } + if (!$sortRequired) { continue; } + // Arrange the declarations alphabetically by name + usort($declarations, array(__CLASS__, "userDefinedSort1")); + // Update "IsLast" property + for ($ii = 0, $ll = count($declarations) - 1; $ii <= $ll; $ii++) + { + if ($ii == $ll) + { + $declarations[$ii]->IsLast = true; + } + else + { + $declarations[$ii]->IsLast = false; + } + } + // Splice back into the array. + array_splice($tokens, $startIndex + 1, $endIndex - $startIndex - 1, $declarations); + $r += $endIndex - $startIndex - 1; + } + return $r; + } + /** + * User defined sort function. + * + * @return integer + */ + public static function userDefinedSort1($a, $b) + { + return strcmp($a->Property, $b->Property); + } +} + +/** + * This {@link aCssToken CSS token} represents the start of a ruleset. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRulesetStartToken extends aCssRulesetStartToken +{ + /** + * Array of selectors. + * + * @var array + */ + public $Selectors = array(); + /** + * Set the properties of a ruleset token. + * + * @param array $selectors Selectors of the ruleset + * @return void + */ + public function __construct(array $selectors = array()) + { + $this->Selectors = $selectors; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return implode(",", $this->Selectors) . "{"; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing ruleset block with including declarations. + * + * Found rulesets will add a {@link CssRulesetStartToken} and {@link CssRulesetEndToken} to the + * parser; including declarations as {@link CssRulesetDeclarationToken}. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRulesetParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array(",", "{", "}", ":", ";"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_MEDIA", "T_RULESET::SELECTORS", "T_RULESET", "T_RULESET_DECLARATION"); + } + /** + * Selectors. + * + * @var array + */ + private $selectors = array(); + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of Ruleset and selectors + if ($char === "," && ($state === "T_DOCUMENT" || $state === "T_AT_MEDIA" || $state === "T_RULESET::SELECTORS")) + { + if ($state !== "T_RULESET::SELECTORS") + { + $this->parser->pushState("T_RULESET::SELECTORS"); + } + $this->selectors[] = $this->parser->getAndClearBuffer(",{"); + } + // End of selectors and start of declarations + elseif ($char === "{" && ($state === "T_DOCUMENT" || $state === "T_AT_MEDIA" || $state === "T_RULESET::SELECTORS")) + { + if ($this->parser->getBuffer() !== "") + { + $this->selectors[] = $this->parser->getAndClearBuffer(",{"); + if ($state == "T_RULESET::SELECTORS") + { + $this->parser->popState(); + } + $this->parser->pushState("T_RULESET"); + $this->parser->appendToken(new CssRulesetStartToken($this->selectors)); + $this->selectors = array(); + } + } + // Start of declaration + elseif ($char === ":" && $state === "T_RULESET") + { + $this->parser->pushState("T_RULESET_DECLARATION"); + $this->buffer = $this->parser->getAndClearBuffer(":;", true); + } + // Unterminated ruleset declaration + elseif ($char === ":" && $state === "T_RULESET_DECLARATION") + { + // Ignore Internet Explorer filter declarations + if ($this->buffer === "filter") + { + return false; + } + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_")); + } + // End of declaration + elseif (($char === ";" || $char === "}") && $state === "T_RULESET_DECLARATION") + { + $value = $this->parser->getAndClearBuffer(";}"); + if (strtolower(substr($value, -10, 10)) === "!important") + { + $value = trim(substr($value, 0, -10)); + $isImportant = true; + } + else + { + $isImportant = false; + } + $this->parser->popState(); + $this->parser->appendToken(new CssRulesetDeclarationToken($this->buffer, $value, $this->parser->getMediaTypes(), $isImportant)); + // Declaration ends with a right curly brace; so we have to end the ruleset + if ($char === "}") + { + $this->parser->appendToken(new CssRulesetEndToken()); + $this->parser->popState(); + } + $this->buffer = ""; + } + // End of ruleset + elseif ($char === "}" && $state === "T_RULESET") + { + $this->parser->popState(); + $this->parser->clearBuffer(); + $this->parser->appendToken(new CssRulesetEndToken()); + $this->buffer = ""; + $this->selectors = array(); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a ruleset. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRulesetEndToken extends aCssRulesetEndToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents a ruleset declaration. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRulesetDeclarationToken extends aCssDeclarationToken +{ + /** + * Media types of the declaration. + * + * @var array + */ + public $MediaTypes = array("all"); + /** + * Set the properties of a ddocument- or at-rule @media level declaration. + * + * @param string $property Property of the declaration + * @param string $value Value of the declaration + * @param mixed $mediaTypes Media types of the declaration + * @param boolean $isImportant Is the !important flag is set + * @param boolean $isLast Is the declaration the last one of the ruleset + * @return void + */ + public function __construct($property, $value, $mediaTypes = null, $isImportant = false, $isLast = false) + { + parent::__construct($property, $value, $isImportant, $isLast); + $this->MediaTypes = $mediaTypes ? $mediaTypes : array("all"); + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} sets the IsLast property of any last declaration in a ruleset, + * @font-face at-rule or @page at-rule block. If the property IsLast is TRUE the decrations will get stringified + * without tailing semicolon. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRemoveLastDelarationSemiColonMinifierFilter extends aCssMinifierFilter +{ + /** + * 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) + { + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + $current = get_class($tokens[$i]); + $next = isset($tokens[$i+1]) ? get_class($tokens[$i+1]) : false; + if (($current === "CssRulesetDeclarationToken" && $next === "CssRulesetEndToken") || + ($current === "CssAtFontFaceDeclarationToken" && $next === "CssAtFontFaceEndToken") || + ($current === "CssAtPageDeclarationToken" && $next === "CssAtPageEndToken")) + { + $tokens[$i]->IsLast = true; + } + } + return 0; + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} will remove any empty rulesets (including @keyframes at-rule block + * rulesets). + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRemoveEmptyRulesetsMinifierFilter extends aCssMinifierFilter +{ + /** + * 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) + { + $r = 0; + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + $current = get_class($tokens[$i]); + $next = isset($tokens[$i + 1]) ? get_class($tokens[$i + 1]) : false; + if (($current === "CssRulesetStartToken" && $next === "CssRulesetEndToken") || + ($current === "CssAtKeyframesRulesetStartToken" && $next === "CssAtKeyframesRulesetEndToken" && !array_intersect(array("from", "0%", "to", "100%"), array_map("strtolower", $tokens[$i]->Selectors))) + ) + { + $tokens[$i] = null; + $tokens[$i + 1] = null; + $i++; + $r = $r + 2; + } + } + return $r; + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} will remove any empty @font-face, @keyframes, @media and @page + * at-rule blocks. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRemoveEmptyAtBlocksMinifierFilter extends aCssMinifierFilter +{ + /** + * 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) + { + $r = 0; + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + $current = get_class($tokens[$i]); + $next = isset($tokens[$i + 1]) ? get_class($tokens[$i + 1]) : false; + if (($current === "CssAtFontFaceStartToken" && $next === "CssAtFontFaceEndToken") || + ($current === "CssAtKeyframesStartToken" && $next === "CssAtKeyframesEndToken") || + ($current === "CssAtPageStartToken" && $next === "CssAtPageEndToken") || + ($current === "CssAtMediaStartToken" && $next === "CssAtMediaEndToken")) + { + $tokens[$i] = null; + $tokens[$i + 1] = null; + $i++; + $r = $r + 2; + } + } + return $r; + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} will remove any comments from the array of parsed tokens. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssRemoveCommentsMinifierFilter extends aCssMinifierFilter +{ + /** + * 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) + { + $r = 0; + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + if (get_class($tokens[$i]) === "CssCommentToken") + { + $tokens[$i] = null; + $r++; + } + } + return $r; + } +} + +/** + * CSS Parser. + * + * @package CssMin/Parser + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssParser +{ + /** + * Parse buffer. + * + * @var string + */ + private $buffer = ""; + /** + * {@link aCssParserPlugin Plugins}. + * + * @var array + */ + private $plugins = array(); + /** + * Source to parse. + * + * @var string + */ + private $source = ""; + /** + * Current state. + * + * @var integer + */ + private $state = "T_DOCUMENT"; + /** + * Exclusive state. + * + * @var string + */ + private $stateExclusive = false; + /** + * Media types state. + * + * @var mixed + */ + private $stateMediaTypes = false; + /** + * State stack. + * + * @var array + */ + private $states = array("T_DOCUMENT"); + /** + * Parsed tokens. + * + * @var array + */ + private $tokens = array(); + /** + * Constructer. + * + * Create instances of the used {@link aCssParserPlugin plugins}. + * + * @param string $source CSS source [optional] + * @param array $plugins Plugin configuration [optional] + * @return void + */ + public function __construct($source = null, array $plugins = null) + { + $plugins = array_merge(array + ( + "Comment" => true, + "String" => true, + "Url" => true, + "Expression" => true, + "Ruleset" => true, + "AtCharset" => true, + "AtFontFace" => true, + "AtImport" => true, + "AtKeyframes" => true, + "AtMedia" => true, + "AtPage" => true, + "AtVariables" => true + ), is_array($plugins) ? $plugins : array()); + // Create plugin instances + foreach ($plugins as $name => $config) + { + if ($config !== false) + { + $class = "Css" . $name . "ParserPlugin"; + $config = is_array($config) ? $config : array(); + if (class_exists($class)) + { + $this->plugins[] = new $class($this, $config); + } + else + { + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": The plugin " . $name . " with the class name " . $class . " was not found")); + } + } + } + if (!is_null($source)) + { + $this->parse($source); + } + } + /** + * Append a token to the array of tokens. + * + * @param aCssToken $token Token to append + * @return void + */ + public function appendToken(aCssToken $token) + { + $this->tokens[] = $token; + } + /** + * Clears the current buffer. + * + * @return void + */ + public function clearBuffer() + { + $this->buffer = ""; + } + /** + * Returns and clear the current buffer. + * + * @param string $trim Chars to use to trim the returned buffer + * @param boolean $tolower if TRUE the returned buffer will get converted to lower case + * @return string + */ + public function getAndClearBuffer($trim = "", $tolower = false) + { + $r = $this->getBuffer($trim, $tolower); + $this->buffer = ""; + return $r; + } + /** + * Returns the current buffer. + * + * @param string $trim Chars to use to trim the returned buffer + * @param boolean $tolower if TRUE the returned buffer will get converted to lower case + * @return string + */ + public function getBuffer($trim = "", $tolower = false) + { + $r = $this->buffer; + if ($trim) + { + $r = trim($r, " \t\n\r\0\x0B" . $trim); + } + if ($tolower) + { + $r = strtolower($r); + } + return $r; + } + /** + * Returns the current media types state. + * + * @return array + */ + public function getMediaTypes() + { + return $this->stateMediaTypes; + } + /** + * Returns the CSS source. + * + * @return string + */ + public function getSource() + { + return $this->source; + } + /** + * Returns the current state. + * + * @return integer The current state + */ + public function getState() + { + return $this->state; + } + /** + * Returns a plugin by class name. + * + * @param string $name Class name of the plugin + * @return aCssParserPlugin + */ + public function getPlugin($class) + { + static $index = null; + if (is_null($index)) + { + $index = array(); + for ($i = 0, $l = count($this->plugins); $i < $l; $i++) + { + $index[get_class($this->plugins[$i])] = $i; + } + } + return isset($index[$class]) ? $this->plugins[$index[$class]] : false; + } + /** + * Returns the parsed tokens. + * + * @return array + */ + public function getTokens() + { + return $this->tokens; + } + /** + * Returns if the current state equals the passed state. + * + * @param integer $state State to compare with the current state + * @return boolean TRUE is the state equals to the passed state; FALSE if not + */ + public function isState($state) + { + return ($this->state == $state); + } + /** + * Parse the CSS source and return a array with parsed tokens. + * + * @param string $source CSS source + * @return array Array with tokens + */ + public function parse($source) + { + // Reset + $this->source = ""; + $this->tokens = array(); + // Create a global and plugin lookup table for trigger chars; set array of plugins as local variable and create + // several helper variables for plugin handling + $globalTriggerChars = ""; + $plugins = $this->plugins; + $pluginCount = count($plugins); + $pluginIndex = array(); + $pluginTriggerStates = array(); + $pluginTriggerChars = array(); + for ($i = 0, $l = count($plugins); $i < $l; $i++) + { + $tPluginClassName = get_class($plugins[$i]); + $pluginTriggerChars[$i] = implode("", $plugins[$i]->getTriggerChars()); + $tPluginTriggerStates = $plugins[$i]->getTriggerStates(); + $pluginTriggerStates[$i] = $tPluginTriggerStates === false ? false : "|" . implode("|", $tPluginTriggerStates) . "|"; + $pluginIndex[$tPluginClassName] = $i; + for ($ii = 0, $ll = strlen($pluginTriggerChars[$i]); $ii < $ll; $ii++) + { + $c = substr($pluginTriggerChars[$i], $ii, 1); + if (strpos($globalTriggerChars, $c) === false) + { + $globalTriggerChars .= $c; + } + } + } + // Normalise line endings + $source = str_replace("\r\n", "\n", $source); // Windows to Unix line endings + $source = str_replace("\r", "\n", $source); // Mac to Unix line endings + $this->source = $source; + // Variables + $buffer = &$this->buffer; + $exclusive = &$this->stateExclusive; + $state = &$this->state; + $c = $p = null; + // -- + for ($i = 0, $l = strlen($source); $i < $l; $i++) + { + // Set the current Char + $c = $source[$i]; // Is faster than: $c = substr($source, $i, 1); + // Normalize and filter double whitespace characters + if ($exclusive === false) + { + if ($c === "\n" || $c === "\t") + { + $c = " "; + } + if ($c === " " && $p === " ") + { + continue; + } + } + $buffer .= $c; + // Extended processing only if the current char is a global trigger char + if (strpos($globalTriggerChars, $c) !== false) + { + // Exclusive state is set; process with the exclusive plugin + if ($exclusive) + { + $tPluginIndex = $pluginIndex[$exclusive]; + if (strpos($pluginTriggerChars[$tPluginIndex], $c) !== false && ($pluginTriggerStates[$tPluginIndex] === false || strpos($pluginTriggerStates[$tPluginIndex], $state) !== false)) + { + $r = $plugins[$tPluginIndex]->parse($i, $c, $p, $state); + // Return value is TRUE => continue with next char + if ($r === true) + { + continue; + } + // Return value is numeric => set new index and continue with next char + elseif ($r !== false && $r != $i) + { + $i = $r; + continue; + } + } + } + // Else iterate through the plugins + else + { + $triggerState = "|" . $state . "|"; + for ($ii = 0, $ll = $pluginCount; $ii < $ll; $ii++) + { + // Only process if the current char is one of the plugin trigger chars + if (strpos($pluginTriggerChars[$ii], $c) !== false && ($pluginTriggerStates[$ii] === false || strpos($pluginTriggerStates[$ii], $triggerState) !== false)) + { + // Process with the plugin + $r = $plugins[$ii]->parse($i, $c, $p, $state); + // Return value is TRUE => break the plugin loop and and continue with next char + if ($r === true) + { + break; + } + // Return value is numeric => set new index, break the plugin loop and and continue with next char + elseif ($r !== false && $r != $i) + { + $i = $r; + break; + } + } + } + } + } + $p = $c; // Set the parent char + } + return $this->tokens; + } + /** + * Remove the last state of the state stack and return the removed stack value. + * + * @return integer Removed state value + */ + public function popState() + { + $r = array_pop($this->states); + $this->state = $this->states[count($this->states) - 1]; + return $r; + } + /** + * Adds a new state onto the state stack. + * + * @param integer $state State to add onto the state stack. + * @return integer The index of the added state in the state stacks + */ + public function pushState($state) + { + $r = array_push($this->states, $state); + $this->state = $this->states[count($this->states) - 1]; + return $r; + } + /** + * Sets/restores the buffer. + * + * @param string $buffer Buffer to set + * @return void + */ + public function setBuffer($buffer) + { + $this->buffer = $buffer; + } + /** + * Set the exclusive state. + * + * @param string $exclusive Exclusive state + * @return void + */ + public function setExclusive($exclusive) + { + $this->stateExclusive = $exclusive; + } + /** + * Set the media types state. + * + * @param array $mediaTypes Media types state + * @return void + */ + public function setMediaTypes(array $mediaTypes) + { + $this->stateMediaTypes = $mediaTypes; + } + /** + * Sets the current state in the state stack; equals to {@link CssParser::popState()} + {@link CssParser::pushState()}. + * + * @param integer $state State to set + * @return integer + */ + public function setState($state) + { + $r = array_pop($this->states); + array_push($this->states, $state); + $this->state = $this->states[count($this->states) - 1]; + return $r; + } + /** + * Removes the exclusive state. + * + * @return void + */ + public function unsetExclusive() + { + $this->stateExclusive = false; + } + /** + * Removes the media types state. + * + * @return void + */ + public function unsetMediaTypes() + { + $this->stateMediaTypes = false; + } +} + +/** + * {@link aCssFromatter Formatter} returning the CSS source in {@link http://goo.gl/j4XdU OTBS indent style} (The One True Brace Style). + * + * @package CssMin/Formatter + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssOtbsFormatter extends aCssFormatter +{ + /** + * Implements {@link aCssFormatter::__toString()}. + * + * @return string + */ + public function __toString() + { + $r = array(); + $level = 0; + for ($i = 0, $l = count($this->tokens); $i < $l; $i++) + { + $token = $this->tokens[$i]; + $class = get_class($token); + $indent = str_repeat($this->indent, $level); + if ($class === "CssCommentToken") + { + $lines = array_map("trim", explode("\n", $token->Comment)); + for ($ii = 0, $ll = count($lines); $ii < $ll; $ii++) + { + $r[] = $indent . (substr($lines[$ii], 0, 1) == "*" ? " " : "") . $lines[$ii]; + } + } + elseif ($class === "CssAtCharsetToken") + { + $r[] = $indent . "@charset " . $token->Charset . ";"; + } + elseif ($class === "CssAtFontFaceStartToken") + { + $r[] = $indent . "@font-face {"; + $level++; + } + elseif ($class === "CssAtImportToken") + { + $r[] = $indent . "@import " . $token->Import . " " . implode(", ", $token->MediaTypes) . ";"; + } + elseif ($class === "CssAtKeyframesStartToken") + { + $r[] = $indent . "@keyframes " . $token->Name . " {"; + $level++; + } + elseif ($class === "CssAtMediaStartToken") + { + $r[] = $indent . "@media " . implode(", ", $token->MediaTypes) . " {"; + $level++; + } + elseif ($class === "CssAtPageStartToken") + { + $r[] = $indent . "@page {"; + $level++; + } + elseif ($class === "CssAtVariablesStartToken") + { + $r[] = $indent . "@variables " . implode(", ", $token->MediaTypes) . " {"; + $level++; + } + elseif ($class === "CssRulesetStartToken" || $class === "CssAtKeyframesRulesetStartToken") + { + $r[] = $indent . implode(", ", $token->Selectors) . " {"; + $level++; + } + elseif ($class === "CssAtFontFaceDeclarationToken" + || $class === "CssAtKeyframesRulesetDeclarationToken" + || $class === "CssAtPageDeclarationToken" + || $class === "CssAtVariablesDeclarationToken" + || $class === "CssRulesetDeclarationToken" + ) + { + $declaration = $indent . $token->Property . ": "; + if ($this->padding) + { + $declaration = str_pad($declaration, $this->padding, " ", STR_PAD_RIGHT); + } + $r[] = $declaration . $token->Value . ($token->IsImportant ? " !important" : "") . ";"; + } + elseif ($class === "CssAtFontFaceEndToken" + || $class === "CssAtMediaEndToken" + || $class === "CssAtKeyframesEndToken" + || $class === "CssAtKeyframesRulesetEndToken" + || $class === "CssAtPageEndToken" + || $class === "CssAtVariablesEndToken" + || $class === "CssRulesetEndToken" + ) + { + $level--; + $r[] = str_repeat($indent, $level) . "}"; + } + } + return implode("\n", $r); + } +} + +/** + * This {@link aCssToken CSS token} is a utility token that extends {@link aNullToken} and returns only a empty string. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssNullToken extends aCssToken +{ + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return ""; + } +} + +/** + * CSS Minifier. + * + * @package CssMin/Minifier + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssMinifier +{ + /** + * {@link aCssMinifierFilter Filters}. + * + * @var array + */ + private $filters = array(); + /** + * {@link aCssMinifierPlugin Plugins}. + * + * @var array + */ + private $plugins = array(); + /** + * Minified source. + * + * @var string + */ + private $minified = ""; + /** + * Constructer. + * + * Creates instances of {@link aCssMinifierFilter filters} and {@link aCssMinifierPlugin plugins}. + * + * @param string $source CSS source [optional] + * @param array $filters Filter configuration [optional] + * @param array $plugins Plugin configuration [optional] + * @return void + */ + public function __construct($source = null, array $filters = null, array $plugins = null) + { + $filters = array_merge(array + ( + "ImportImports" => false, + "RemoveComments" => true, + "RemoveEmptyRulesets" => true, + "RemoveEmptyAtBlocks" => true, + "ConvertLevel3Properties" => false, + "ConvertLevel3AtKeyframes" => false, + "Variables" => true, + "RemoveLastDelarationSemiColon" => true + ), is_array($filters) ? $filters : array()); + $plugins = array_merge(array + ( + "Variables" => true, + "ConvertFontWeight" => false, + "ConvertHslColors" => false, + "ConvertRgbColors" => false, + "ConvertNamedColors" => false, + "CompressColorValues" => false, + "CompressUnitValues" => false, + "CompressExpressionValues" => false + ), is_array($plugins) ? $plugins : array()); + // Filters + foreach ($filters as $name => $config) + { + if ($config !== false) + { + $class = "Css" . $name . "MinifierFilter"; + $config = is_array($config) ? $config : array(); + if (class_exists($class)) + { + $this->filters[] = new $class($this, $config); + } + else + { + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": The filter " . $name . " with the class name " . $class . " was not found")); + } + } + } + // Plugins + foreach ($plugins as $name => $config) + { + if ($config !== false) + { + $class = "Css" . $name . "MinifierPlugin"; + $config = is_array($config) ? $config : array(); + if (class_exists($class)) + { + $this->plugins[] = new $class($this, $config); + } + else + { + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": The plugin " . $name . " with the class name " . $class . " was not found")); + } + } + } + // -- + if (!is_null($source)) + { + $this->minify($source); + } + } + /** + * Returns the minified Source. + * + * @return string + */ + public function getMinified() + { + return $this->minified; + } + /** + * Returns a plugin by class name. + * + * @param string $name Class name of the plugin + * @return aCssMinifierPlugin + */ + public function getPlugin($class) + { + static $index = null; + if (is_null($index)) + { + $index = array(); + for ($i = 0, $l = count($this->plugins); $i < $l; $i++) + { + $index[get_class($this->plugins[$i])] = $i; + } + } + return isset($index[$class]) ? $this->plugins[$index[$class]] : false; + } + /** + * 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; + } +} + +/** + * CssMin - A (simple) css minifier with benefits + * + * -- + * Copyright (c) 2011 Joe Scylla + * + * 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. + * -- + * + * @package CssMin + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssMin +{ + /** + * Index of classes + * + * @var array + */ + private static $classIndex = array(); + /** + * Parse/minify errors + * + * @var array + */ + private static $errors = array(); + /** + * Verbose output. + * + * @var boolean + */ + private static $isVerbose = false; + /** + * {@link http://goo.gl/JrW54 Autoload} function of CssMin. + * + * @param string $class Name of the class + * @return void + */ + public static function autoload($class) + { + if (isset(self::$classIndex[$class])) + { + require(self::$classIndex[$class]); + } + } + /** + * Return errors + * + * @return array of {CssError}. + */ + public static function getErrors() + { + return self::$errors; + } + /** + * Returns if there were errors. + * + * @return boolean + */ + public static function hasErrors() + { + return count(self::$errors) > 0; + } + /** + * Initialises CssMin. + * + * @return void + */ + public static function initialise() + { + // Create the class index for autoloading or including + $paths = array(dirname(__FILE__)); + while (list($i, $path) = each($paths)) + { + $subDirectorys = glob($path . "*", GLOB_MARK | GLOB_ONLYDIR | GLOB_NOSORT); + if (is_array($subDirectorys)) + { + foreach ($subDirectorys as $subDirectory) + { + $paths[] = $subDirectory; + } + } + $files = glob($path . "*.php", 0); + if (is_array($files)) + { + foreach ($files as $file) + { + $class = substr(basename($file), 0, -4); + self::$classIndex[$class] = $file; + } + } + } + krsort(self::$classIndex); + // Only use autoloading if spl_autoload_register() is available and no __autoload() is defined (because + // __autoload() breaks if spl_autoload_register() is used. + if (function_exists("spl_autoload_register") && !is_callable("__autoload")) + { + spl_autoload_register(array(__CLASS__, "autoload")); + } + // Otherwise include all class files + else + { + foreach (self::$classIndex as $class => $file) + { + if (!class_exists($class)) + { + require_once($file); + } + } + } + } + /** + * Minifies CSS source. + * + * @param string $source CSS source + * @param array $filters Filter configuration [optional] + * @param array $plugins Plugin configuration [optional] + * @return string Minified CSS + */ + public static function minify($source, array $filters = null, array $plugins = null) + { + self::$errors = array(); + $minifier = new CssMinifier($source, $filters, $plugins); + return $minifier->getMinified(); + } + /** + * 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(); + } + /** + * -- + * + * @param boolean $to + * @return boolean + */ + public static function setVerbose($to) + { + self::$isVerbose = (boolean) $to; + return self::$isVerbose; + } + /** + * -- + * + * @param CssError $error + * @return void + */ + public static function triggerError(CssError $error) + { + self::$errors[] = $error; + if (self::$isVerbose) + { + trigger_error((string) $error, E_USER_WARNING); + } + } +} +// Initialises CssMin +CssMin::initialise(); + +/** + * This {@link aCssMinifierFilter minifier filter} import external css files defined with the @import at-rule into the + * current stylesheet. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssImportImportsMinifierFilter extends aCssMinifierFilter +{ + /** + * Array with already imported external stylesheets. + * + * @var array + */ + private $imported = array(); + /** + * 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 " . ($this->configuration["BasePath"] ? $this->configuration["BasePath"] : "null"). " is not a directory")); + return 0; + } + for ($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 " . $import. " was not found.", (string) $tokens[$i])); + } + // Import file already imported; remove this @import at-rule to prevent recursions + elseif (in_array($import, $this->imported)) + { + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Import file " . $import. " 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; + } + // @import at-rule defineds one or more media types; filter out media types not matching with the parent @import at-rule + 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); + } + } + } + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for preserve parsing expression() declaration values. + * + * This plugin return no {@link aCssToken CssToken} but ensures that expression() declaration values will get parsed + * properly. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssExpressionParserPlugin extends aCssParserPlugin +{ + /** + * Count of left braces. + * + * @var integer + */ + private $leftBraces = 0; + /** + * Count of right braces. + * + * @var integer + */ + private $rightBraces = 0; + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("(", ")", ";", "}"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return false; + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of expression + if ($char === "(" && strtolower(substr($this->parser->getSource(), $index - 10, 11)) === "expression(" && $state !== "T_EXPRESSION") + { + $this->parser->pushState("T_EXPRESSION"); + $this->leftBraces++; + } + // Count left braces + elseif ($char === "(" && $state === "T_EXPRESSION") + { + $this->leftBraces++; + } + // Count right braces + elseif ($char === ")" && $state === "T_EXPRESSION") + { + $this->rightBraces++; + } + // Possible end of expression; if left and right braces are equal the expressen ends + elseif (($char === ";" || $char === "}") && $state === "T_EXPRESSION" && $this->leftBraces === $this->rightBraces) + { + $this->leftBraces = $this->rightBraces = 0; + $this->parser->popState(); + return $index - 1; + } + else + { + return false; + } + return true; + } +} + +/** + * CSS Error. + * + * @package CssMin + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssError +{ + /** + * File. + * + * @var string + */ + public $File = ""; + /** + * Line. + * + * @var integer + */ + public $Line = 0; + /** + * Error message. + * + * @var string + */ + public $Message = ""; + /** + * Source. + * + * @var string + */ + public $Source = ""; + /** + * Constructor triggering the error. + * + * @param string $message Error message + * @param string $source Corresponding line [optional] + * @return void + */ + public function __construct($file, $line, $message, $source = "") + { + $this->File = $file; + $this->Line = $line; + $this->Message = $message; + $this->Source = $source; + } + /** + * Returns the error as formatted string. + * + * @return string + */ + public function __toString() + { + return $this->Message . ($this->Source ? ":
" . $this->Source . "": "") . "
in file " . $this->File . " at line " . $this->Line; + } +} + +/** + * This {@link aCssMinifierPlugin} will convert a color value in rgb notation to hexadecimal notation. + * + * Example: + * + * color: rgb(200,60%,5); + * + * + * Will get converted to: + * + * color:#c89905; + * + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssConvertRgbColorsMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Regular expression matching the value. + * + * @var string + */ + private $reMatch = "/rgb\s*\(\s*([0-9%]+)\s*,\s*([0-9%]+)\s*,\s*([0-9%]+)\s*\)/iS"; + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (stripos($token->Value, "rgb") !== false && preg_match($this->reMatch, $token->Value, $m)) + { + for ($i = 1, $l = count($m); $i < $l; $i++) + { + if (strpos("%", $m[$i]) !== false) + { + $m[$i] = substr($m[$i], 0, -1); + $m[$i] = (int) (256 * ($m[$i] / 100)); + } + $m[$i] = str_pad(dechex($m[$i]), 2, "0", STR_PAD_LEFT); + } + $token->Value = str_replace($m[0], "#" . $m[1] . $m[2] . $m[3], $token->Value); + } + return false; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } +} + +/** + * This {@link aCssMinifierPlugin} will convert named color values to hexadecimal notation. + * + * Example: + * + * color: black; + * border: 1px solid indigo; + * + * + * Will get converted to: + * + * color:#000; + * border:1px solid #4b0082; + * + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssConvertNamedColorsMinifierPlugin extends aCssMinifierPlugin +{ + + /** + * Regular expression matching the value. + * + * @var string + */ + private $reMatch = null; + /** + * Transformation table used by the {@link CssConvertNamedColorsMinifierPlugin::reReplace() replacement method}. + * + * @var array + */ + private $transformation = array + ( + "aliceblue" => "#f0f8ff", + "antiquewhite" => "#faebd7", + "aqua" => "#0ff", + "aquamarine" => "#7fffd4", + "azure" => "#f0ffff", + "beige" => "#f5f5dc", + "black" => "#000", + "blue" => "#00f", + "blueviolet" => "#8a2be2", + "brown" => "#a52a2a", + "burlywood" => "#deb887", + "cadetblue" => "#5f9ea0", + "chartreuse" => "#7fff00", + "chocolate" => "#d2691e", + "coral" => "#ff7f50", + "cornflowerblue" => "#6495ed", + "cornsilk" => "#fff8dc", + "crimson" => "#dc143c", + "darkblue" => "#00008b", + "darkcyan" => "#008b8b", + "darkgoldenrod" => "#b8860b", + "darkgray" => "#a9a9a9", + "darkgreen" => "#006400", + "darkkhaki" => "#bdb76b", + "darkmagenta" => "#8b008b", + "darkolivegreen" => "#556b2f", + "darkorange" => "#ff8c00", + "darkorchid" => "#9932cc", + "darkred" => "#8b0000", + "darksalmon" => "#e9967a", + "darkseagreen" => "#8fbc8f", + "darkslateblue" => "#483d8b", + "darkslategray" => "#2f4f4f", + "darkturquoise" => "#00ced1", + "darkviolet" => "#9400d3", + "deeppink" => "#ff1493", + "deepskyblue" => "#00bfff", + "dimgray" => "#696969", + "dodgerblue" => "#1e90ff", + "firebrick" => "#b22222", + "floralwhite" => "#fffaf0", + "forestgreen" => "#228b22", + "fuchsia" => "#f0f", + "gainsboro" => "#dcdcdc", + "ghostwhite" => "#f8f8ff", + "gold" => "#ffd700", + "goldenrod" => "#daa520", + "gray" => "#808080", + "green" => "#008000", + "greenyellow" => "#adff2f", + "honeydew" => "#f0fff0", + "hotpink" => "#ff69b4", + "indianred" => "#cd5c5c", + "indigo" => "#4b0082", + "ivory" => "#fffff0", + "khaki" => "#f0e68c", + "lavender" => "#e6e6fa", + "lavenderblush" => "#fff0f5", + "lawngreen" => "#7cfc00", + "lemonchiffon" => "#fffacd", + "lightblue" => "#add8e6", + "lightcoral" => "#f08080", + "lightcyan" => "#e0ffff", + "lightgoldenrodyellow" => "#fafad2", + "lightgreen" => "#90ee90", + "lightgrey" => "#d3d3d3", + "lightpink" => "#ffb6c1", + "lightsalmon" => "#ffa07a", + "lightseagreen" => "#20b2aa", + "lightskyblue" => "#87cefa", + "lightslategray" => "#789", + "lightsteelblue" => "#b0c4de", + "lightyellow" => "#ffffe0", + "lime" => "#0f0", + "limegreen" => "#32cd32", + "linen" => "#faf0e6", + "maroon" => "#800000", + "mediumaquamarine" => "#66cdaa", + "mediumblue" => "#0000cd", + "mediumorchid" => "#ba55d3", + "mediumpurple" => "#9370db", + "mediumseagreen" => "#3cb371", + "mediumslateblue" => "#7b68ee", + "mediumspringgreen" => "#00fa9a", + "mediumturquoise" => "#48d1cc", + "mediumvioletred" => "#c71585", + "midnightblue" => "#191970", + "mintcream" => "#f5fffa", + "mistyrose" => "#ffe4e1", + "moccasin" => "#ffe4b5", + "navajowhite" => "#ffdead", + "navy" => "#000080", + "oldlace" => "#fdf5e6", + "olive" => "#808000", + "olivedrab" => "#6b8e23", + "orange" => "#ffa500", + "orangered" => "#ff4500", + "orchid" => "#da70d6", + "palegoldenrod" => "#eee8aa", + "palegreen" => "#98fb98", + "paleturquoise" => "#afeeee", + "palevioletred" => "#db7093", + "papayawhip" => "#ffefd5", + "peachpuff" => "#ffdab9", + "peru" => "#cd853f", + "pink" => "#ffc0cb", + "plum" => "#dda0dd", + "powderblue" => "#b0e0e6", + "purple" => "#800080", + "red" => "#f00", + "rosybrown" => "#bc8f8f", + "royalblue" => "#4169e1", + "saddlebrown" => "#8b4513", + "salmon" => "#fa8072", + "sandybrown" => "#f4a460", + "seagreen" => "#2e8b57", + "seashell" => "#fff5ee", + "sienna" => "#a0522d", + "silver" => "#c0c0c0", + "skyblue" => "#87ceeb", + "slateblue" => "#6a5acd", + "slategray" => "#708090", + "snow" => "#fffafa", + "springgreen" => "#00ff7f", + "steelblue" => "#4682b4", + "tan" => "#d2b48c", + "teal" => "#008080", + "thistle" => "#d8bfd8", + "tomato" => "#ff6347", + "turquoise" => "#40e0d0", + "violet" => "#ee82ee", + "wheat" => "#f5deb3", + "white" => "#fff", + "whitesmoke" => "#f5f5f5", + "yellow" => "#ff0", + "yellowgreen" => "#9acd32" + ); + /** + * Overwrites {@link aCssMinifierPlugin::__construct()}. + * + * The constructor will create the {@link CssConvertNamedColorsMinifierPlugin::$reMatch replace regular expression} + * based on the {@link CssConvertNamedColorsMinifierPlugin::$transformation transformation table}. + * + * @param CssMinifier $minifier The CssMinifier object of this plugin. + * @param array $configuration Plugin configuration [optional] + * @return void + */ + public function __construct(CssMinifier $minifier, array $configuration = array()) + { + $this->reMatch = "/(^|\s)+(" . implode("|", array_keys($this->transformation)) . ")(\s|$)+/iS"; + parent::__construct($minifier, $configuration); + } + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + $lcValue = strtolower($token->Value); + // Declaration value equals a value in the transformation table => simple replace + if (isset($this->transformation[$lcValue])) + { + $token->Value = $this->transformation[$lcValue]; + } + // Declaration value contains a value in the transformation table => regular expression replace + elseif (preg_match($this->reMatch, $token->Value)) + { + $token->Value = preg_replace_callback($this->reMatch, array($this, 'reReplace'), $token->Value); + } + return false; + } + /** + * Callback for replacement value. + * + * @param array $match + * @return string + */ + private function reReplace($match) + { + return $match[1] . $this->transformation[strtolower($match[2])] . $match[3]; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} triggers on CSS Level 3 properties and will add declaration tokens + * with browser-specific properties. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssConvertLevel3PropertiesMinifierFilter extends aCssMinifierFilter +{ + /** + * Css property transformations table. Used to convert CSS3 and proprietary properties to the browser-specific + * counterparts. + * + * @var array + */ + private $transformations = array + ( + // Property Array(Mozilla, Webkit, Opera, Internet Explorer); NULL values are placeholders and will get ignored + "animation" => array(null, "-webkit-animation", null, null), + "animation-delay" => array(null, "-webkit-animation-delay", null, null), + "animation-direction" => array(null, "-webkit-animation-direction", null, null), + "animation-duration" => array(null, "-webkit-animation-duration", null, null), + "animation-fill-mode" => array(null, "-webkit-animation-fill-mode", null, null), + "animation-iteration-count" => array(null, "-webkit-animation-iteration-count", null, null), + "animation-name" => array(null, "-webkit-animation-name", null, null), + "animation-play-state" => array(null, "-webkit-animation-play-state", null, null), + "animation-timing-function" => array(null, "-webkit-animation-timing-function", null, null), + "appearance" => array("-moz-appearance", "-webkit-appearance", null, null), + "backface-visibility" => array(null, "-webkit-backface-visibility", null, null), + "background-clip" => array(null, "-webkit-background-clip", null, null), + "background-composite" => array(null, "-webkit-background-composite", null, null), + "background-inline-policy" => array("-moz-background-inline-policy", null, null, null), + "background-origin" => array(null, "-webkit-background-origin", null, null), + "background-position-x" => array(null, null, null, "-ms-background-position-x"), + "background-position-y" => array(null, null, null, "-ms-background-position-y"), + "background-size" => array(null, "-webkit-background-size", null, null), + "behavior" => array(null, null, null, "-ms-behavior"), + "binding" => array("-moz-binding", null, null, null), + "border-after" => array(null, "-webkit-border-after", null, null), + "border-after-color" => array(null, "-webkit-border-after-color", null, null), + "border-after-style" => array(null, "-webkit-border-after-style", null, null), + "border-after-width" => array(null, "-webkit-border-after-width", null, null), + "border-before" => array(null, "-webkit-border-before", null, null), + "border-before-color" => array(null, "-webkit-border-before-color", null, null), + "border-before-style" => array(null, "-webkit-border-before-style", null, null), + "border-before-width" => array(null, "-webkit-border-before-width", null, null), + "border-border-bottom-colors" => array("-moz-border-bottom-colors", null, null, null), + "border-bottom-left-radius" => array("-moz-border-radius-bottomleft", "-webkit-border-bottom-left-radius", null, null), + "border-bottom-right-radius" => array("-moz-border-radius-bottomright", "-webkit-border-bottom-right-radius", null, null), + "border-end" => array("-moz-border-end", "-webkit-border-end", null, null), + "border-end-color" => array("-moz-border-end-color", "-webkit-border-end-color", null, null), + "border-end-style" => array("-moz-border-end-style", "-webkit-border-end-style", null, null), + "border-end-width" => array("-moz-border-end-width", "-webkit-border-end-width", null, null), + "border-fit" => array(null, "-webkit-border-fit", null, null), + "border-horizontal-spacing" => array(null, "-webkit-border-horizontal-spacing", null, null), + "border-image" => array("-moz-border-image", "-webkit-border-image", null, null), + "border-left-colors" => array("-moz-border-left-colors", null, null, null), + "border-radius" => array("-moz-border-radius", "-webkit-border-radius", null, null), + "border-border-right-colors" => array("-moz-border-right-colors", null, null, null), + "border-start" => array("-moz-border-start", "-webkit-border-start", null, null), + "border-start-color" => array("-moz-border-start-color", "-webkit-border-start-color", null, null), + "border-start-style" => array("-moz-border-start-style", "-webkit-border-start-style", null, null), + "border-start-width" => array("-moz-border-start-width", "-webkit-border-start-width", null, null), + "border-top-colors" => array("-moz-border-top-colors", null, null, null), + "border-top-left-radius" => array("-moz-border-radius-topleft", "-webkit-border-top-left-radius", null, null), + "border-top-right-radius" => array("-moz-border-radius-topright", "-webkit-border-top-right-radius", null, null), + "border-vertical-spacing" => array(null, "-webkit-border-vertical-spacing", null, null), + "box-align" => array("-moz-box-align", "-webkit-box-align", null, null), + "box-direction" => array("-moz-box-direction", "-webkit-box-direction", null, null), + "box-flex" => array("-moz-box-flex", "-webkit-box-flex", null, null), + "box-flex-group" => array(null, "-webkit-box-flex-group", null, null), + "box-flex-lines" => array(null, "-webkit-box-flex-lines", null, null), + "box-ordinal-group" => array("-moz-box-ordinal-group", "-webkit-box-ordinal-group", null, null), + "box-orient" => array("-moz-box-orient", "-webkit-box-orient", null, null), + "box-pack" => array("-moz-box-pack", "-webkit-box-pack", null, null), + "box-reflect" => array(null, "-webkit-box-reflect", null, null), + "box-shadow" => array("-moz-box-shadow", "-webkit-box-shadow", null, null), + "box-sizing" => array("-moz-box-sizing", null, null, null), + "color-correction" => array(null, "-webkit-color-correction", null, null), + "column-break-after" => array(null, "-webkit-column-break-after", null, null), + "column-break-before" => array(null, "-webkit-column-break-before", null, null), + "column-break-inside" => array(null, "-webkit-column-break-inside", null, null), + "column-count" => array("-moz-column-count", "-webkit-column-count", null, null), + "column-gap" => array("-moz-column-gap", "-webkit-column-gap", null, null), + "column-rule" => array("-moz-column-rule", "-webkit-column-rule", null, null), + "column-rule-color" => array("-moz-column-rule-color", "-webkit-column-rule-color", null, null), + "column-rule-style" => array("-moz-column-rule-style", "-webkit-column-rule-style", null, null), + "column-rule-width" => array("-moz-column-rule-width", "-webkit-column-rule-width", null, null), + "column-span" => array(null, "-webkit-column-span", null, null), + "column-width" => array("-moz-column-width", "-webkit-column-width", null, null), + "columns" => array(null, "-webkit-columns", null, null), + "filter" => array(__CLASS__, "filter"), + "float-edge" => array("-moz-float-edge", null, null, null), + "font-feature-settings" => array("-moz-font-feature-settings", null, null, null), + "font-language-override" => array("-moz-font-language-override", null, null, null), + "font-size-delta" => array(null, "-webkit-font-size-delta", null, null), + "font-smoothing" => array(null, "-webkit-font-smoothing", null, null), + "force-broken-image-icon" => array("-moz-force-broken-image-icon", null, null, null), + "highlight" => array(null, "-webkit-highlight", null, null), + "hyphenate-character" => array(null, "-webkit-hyphenate-character", null, null), + "hyphenate-locale" => array(null, "-webkit-hyphenate-locale", null, null), + "hyphens" => array(null, "-webkit-hyphens", null, null), + "force-broken-image-icon" => array("-moz-image-region", null, null, null), + "ime-mode" => array(null, null, null, "-ms-ime-mode"), + "interpolation-mode" => array(null, null, null, "-ms-interpolation-mode"), + "layout-flow" => array(null, null, null, "-ms-layout-flow"), + "layout-grid" => array(null, null, null, "-ms-layout-grid"), + "layout-grid-char" => array(null, null, null, "-ms-layout-grid-char"), + "layout-grid-line" => array(null, null, null, "-ms-layout-grid-line"), + "layout-grid-mode" => array(null, null, null, "-ms-layout-grid-mode"), + "layout-grid-type" => array(null, null, null, "-ms-layout-grid-type"), + "line-break" => array(null, "-webkit-line-break", null, "-ms-line-break"), + "line-clamp" => array(null, "-webkit-line-clamp", null, null), + "line-grid-mode" => array(null, null, null, "-ms-line-grid-mode"), + "logical-height" => array(null, "-webkit-logical-height", null, null), + "logical-width" => array(null, "-webkit-logical-width", null, null), + "margin-after" => array(null, "-webkit-margin-after", null, null), + "margin-after-collapse" => array(null, "-webkit-margin-after-collapse", null, null), + "margin-before" => array(null, "-webkit-margin-before", null, null), + "margin-before-collapse" => array(null, "-webkit-margin-before-collapse", null, null), + "margin-bottom-collapse" => array(null, "-webkit-margin-bottom-collapse", null, null), + "margin-collapse" => array(null, "-webkit-margin-collapse", null, null), + "margin-end" => array("-moz-margin-end", "-webkit-margin-end", null, null), + "margin-start" => array("-moz-margin-start", "-webkit-margin-start", null, null), + "margin-top-collapse" => array(null, "-webkit-margin-top-collapse", null, null), + "marquee " => array(null, "-webkit-marquee", null, null), + "marquee-direction" => array(null, "-webkit-marquee-direction", null, null), + "marquee-increment" => array(null, "-webkit-marquee-increment", null, null), + "marquee-repetition" => array(null, "-webkit-marquee-repetition", null, null), + "marquee-speed" => array(null, "-webkit-marquee-speed", null, null), + "marquee-style" => array(null, "-webkit-marquee-style", null, null), + "mask" => array(null, "-webkit-mask", null, null), + "mask-attachment" => array(null, "-webkit-mask-attachment", null, null), + "mask-box-image" => array(null, "-webkit-mask-box-image", null, null), + "mask-clip" => array(null, "-webkit-mask-clip", null, null), + "mask-composite" => array(null, "-webkit-mask-composite", null, null), + "mask-image" => array(null, "-webkit-mask-image", null, null), + "mask-origin" => array(null, "-webkit-mask-origin", null, null), + "mask-position" => array(null, "-webkit-mask-position", null, null), + "mask-position-x" => array(null, "-webkit-mask-position-x", null, null), + "mask-position-y" => array(null, "-webkit-mask-position-y", null, null), + "mask-repeat" => array(null, "-webkit-mask-repeat", null, null), + "mask-repeat-x" => array(null, "-webkit-mask-repeat-x", null, null), + "mask-repeat-y" => array(null, "-webkit-mask-repeat-y", null, null), + "mask-size" => array(null, "-webkit-mask-size", null, null), + "match-nearest-mail-blockquote-color" => array(null, "-webkit-match-nearest-mail-blockquote-color", null, null), + "max-logical-height" => array(null, "-webkit-max-logical-height", null, null), + "max-logical-width" => array(null, "-webkit-max-logical-width", null, null), + "min-logical-height" => array(null, "-webkit-min-logical-height", null, null), + "min-logical-width" => array(null, "-webkit-min-logical-width", null, null), + "object-fit" => array(null, null, "-o-object-fit", null), + "object-position" => array(null, null, "-o-object-position", null), + "opacity" => array(__CLASS__, "opacity"), + "outline-radius" => array("-moz-outline-radius", null, null, null), + "outline-bottom-left-radius" => array("-moz-outline-radius-bottomleft", null, null, null), + "outline-bottom-right-radius" => array("-moz-outline-radius-bottomright", null, null, null), + "outline-top-left-radius" => array("-moz-outline-radius-topleft", null, null, null), + "outline-top-right-radius" => array("-moz-outline-radius-topright", null, null, null), + "padding-after" => array(null, "-webkit-padding-after", null, null), + "padding-before" => array(null, "-webkit-padding-before", null, null), + "padding-end" => array("-moz-padding-end", "-webkit-padding-end", null, null), + "padding-start" => array("-moz-padding-start", "-webkit-padding-start", null, null), + "perspective" => array(null, "-webkit-perspective", null, null), + "perspective-origin" => array(null, "-webkit-perspective-origin", null, null), + "perspective-origin-x" => array(null, "-webkit-perspective-origin-x", null, null), + "perspective-origin-y" => array(null, "-webkit-perspective-origin-y", null, null), + "rtl-ordering" => array(null, "-webkit-rtl-ordering", null, null), + "scrollbar-3dlight-color" => array(null, null, null, "-ms-scrollbar-3dlight-color"), + "scrollbar-arrow-color" => array(null, null, null, "-ms-scrollbar-arrow-color"), + "scrollbar-base-color" => array(null, null, null, "-ms-scrollbar-base-color"), + "scrollbar-darkshadow-color" => array(null, null, null, "-ms-scrollbar-darkshadow-color"), + "scrollbar-face-color" => array(null, null, null, "-ms-scrollbar-face-color"), + "scrollbar-highlight-color" => array(null, null, null, "-ms-scrollbar-highlight-color"), + "scrollbar-shadow-color" => array(null, null, null, "-ms-scrollbar-shadow-color"), + "scrollbar-track-color" => array(null, null, null, "-ms-scrollbar-track-color"), + "stack-sizing" => array("-moz-stack-sizing", null, null, null), + "svg-shadow" => array(null, "-webkit-svg-shadow", null, null), + "tab-size" => array("-moz-tab-size", null, "-o-tab-size", null), + "table-baseline" => array(null, null, "-o-table-baseline", null), + "text-align-last" => array(null, null, null, "-ms-text-align-last"), + "text-autospace" => array(null, null, null, "-ms-text-autospace"), + "text-combine" => array(null, "-webkit-text-combine", null, null), + "text-decorations-in-effect" => array(null, "-webkit-text-decorations-in-effect", null, null), + "text-emphasis" => array(null, "-webkit-text-emphasis", null, null), + "text-emphasis-color" => array(null, "-webkit-text-emphasis-color", null, null), + "text-emphasis-position" => array(null, "-webkit-text-emphasis-position", null, null), + "text-emphasis-style" => array(null, "-webkit-text-emphasis-style", null, null), + "text-fill-color" => array(null, "-webkit-text-fill-color", null, null), + "text-justify" => array(null, null, null, "-ms-text-justify"), + "text-kashida-space" => array(null, null, null, "-ms-text-kashida-space"), + "text-overflow" => array(null, null, "-o-text-overflow", "-ms-text-overflow"), + "text-security" => array(null, "-webkit-text-security", null, null), + "text-size-adjust" => array(null, "-webkit-text-size-adjust", null, "-ms-text-size-adjust"), + "text-stroke" => array(null, "-webkit-text-stroke", null, null), + "text-stroke-color" => array(null, "-webkit-text-stroke-color", null, null), + "text-stroke-width" => array(null, "-webkit-text-stroke-width", null, null), + "text-underline-position" => array(null, null, null, "-ms-text-underline-position"), + "transform" => array("-moz-transform", "-webkit-transform", "-o-transform", null), + "transform-origin" => array("-moz-transform-origin", "-webkit-transform-origin", "-o-transform-origin", null), + "transform-origin-x" => array(null, "-webkit-transform-origin-x", null, null), + "transform-origin-y" => array(null, "-webkit-transform-origin-y", null, null), + "transform-origin-z" => array(null, "-webkit-transform-origin-z", null, null), + "transform-style" => array(null, "-webkit-transform-style", null, null), + "transition" => array("-moz-transition", "-webkit-transition", "-o-transition", null), + "transition-delay" => array("-moz-transition-delay", "-webkit-transition-delay", "-o-transition-delay", null), + "transition-duration" => array("-moz-transition-duration", "-webkit-transition-duration", "-o-transition-duration", null), + "transition-property" => array("-moz-transition-property", "-webkit-transition-property", "-o-transition-property", null), + "transition-timing-function" => array("-moz-transition-timing-function", "-webkit-transition-timing-function", "-o-transition-timing-function", null), + "user-drag" => array(null, "-webkit-user-drag", null, null), + "user-focus" => array("-moz-user-focus", null, null, null), + "user-input" => array("-moz-user-input", null, null, null), + "user-modify" => array("-moz-user-modify", "-webkit-user-modify", null, null), + "user-select" => array("-moz-user-select", "-webkit-user-select", null, null), + "white-space" => array(__CLASS__, "whiteSpace"), + "window-shadow" => array("-moz-window-shadow", null, null, null), + "word-break" => array(null, null, null, "-ms-word-break"), + "word-wrap" => array(null, null, null, "-ms-word-wrap"), + "writing-mode" => array(null, "-webkit-writing-mode", null, "-ms-writing-mode"), + "zoom" => array(null, null, null, "-ms-zoom") + ); + /** + * 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) + { + $r = 0; + $transformations = &$this->transformations; + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + if (get_class($tokens[$i]) === "CssRulesetDeclarationToken") + { + $tProperty = $tokens[$i]->Property; + if (isset($transformations[$tProperty])) + { + $result = array(); + if (is_callable($transformations[$tProperty])) + { + $result = call_user_func_array($transformations[$tProperty], array($tokens[$i])); + if (!is_array($result) && is_object($result)) + { + $result = array($result); + } + } + else + { + $tValue = $tokens[$i]->Value; + $tMediaTypes = $tokens[$i]->MediaTypes; + foreach ($transformations[$tProperty] as $property) + { + if ($property !== null) + { + $result[] = new CssRulesetDeclarationToken($property, $tValue, $tMediaTypes); + } + } + } + if (count($result) > 0) + { + array_splice($tokens, $i + 1, 0, $result); + $i += count($result); + $l += count($result); + } + } + } + } + return $r; + } + /** + * Transforms the Internet Explorer specific declaration property "filter" to Internet Explorer 8+ compatible + * declaratiopn property "-ms-filter". + * + * @param aCssToken $token + * @return array + */ + private static function filter($token) + { + $r = array + ( + new CssRulesetDeclarationToken("-ms-filter", "\"" . $token->Value . "\"", $token->MediaTypes), + ); + return $r; + } + /** + * Transforms "opacity: {value}" into browser specific counterparts. + * + * @param aCssToken $token + * @return array + */ + private static function opacity($token) + { + // Calculate the value for Internet Explorer filter statement + $ieValue = (int) ((float) $token->Value * 100); + $r = array + ( + // Internet Explorer >= 8 + new CssRulesetDeclarationToken("-ms-filter", "\"alpha(opacity=" . $ieValue . ")\"", $token->MediaTypes), + // Internet Explorer >= 4 <= 7 + new CssRulesetDeclarationToken("filter", "alpha(opacity=" . $ieValue . ")", $token->MediaTypes), + new CssRulesetDeclarationToken("zoom", "1", $token->MediaTypes) + ); + return $r; + } + /** + * Transforms "white-space: pre-wrap" into browser specific counterparts. + * + * @param aCssToken $token + * @return array + */ + private static function whiteSpace($token) + { + if (strtolower($token->Value) === "pre-wrap") + { + $r = array + ( + // Firefox < 3 + new CssRulesetDeclarationToken("white-space", "-moz-pre-wrap", $token->MediaTypes), + // Webkit + new CssRulesetDeclarationToken("white-space", "-webkit-pre-wrap", $token->MediaTypes), + // Opera >= 4 <= 6 + new CssRulesetDeclarationToken("white-space", "-pre-wrap", $token->MediaTypes), + // Opera >= 7 + new CssRulesetDeclarationToken("white-space", "-o-pre-wrap", $token->MediaTypes), + // Internet Explorer >= 5.5 + new CssRulesetDeclarationToken("word-wrap", "break-word", $token->MediaTypes) + ); + return $r; + } + else + { + return array(); + } + } +} + +/** + * This {@link aCssMinifierFilter minifier filter} will convert @keyframes at-rule block to browser specific counterparts. + * + * @package CssMin/Minifier/Filters + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssConvertLevel3AtKeyframesMinifierFilter extends aCssMinifierFilter +{ + /** + * Implements {@link aCssMinifierFilter::filter()}. + * + * @param array $tokens Array of objects of type aCssToken + * @return integer Count of added, changed or removed tokens; a return value larger than 0 will rebuild the array + */ + public function apply(array &$tokens) + { + $r = 0; + $transformations = array("-moz-keyframes", "-webkit-keyframes"); + for ($i = 0, $l = count($tokens); $i < $l; $i++) + { + if (get_class($tokens[$i]) === "CssAtKeyframesStartToken") + { + for ($ii = $i; $ii < $l; $ii++) + { + if (get_class($tokens[$ii]) === "CssAtKeyframesEndToken") + { + break; + } + } + if (get_class($tokens[$ii]) === "CssAtKeyframesEndToken") + { + $add = array(); + $source = array(); + for ($iii = $i; $iii <= $ii; $iii++) + { + $source[] = clone($tokens[$iii]); + } + foreach ($transformations as $transformation) + { + $t = array(); + foreach ($source as $token) + { + $t[] = clone($token); + } + $t[0]->AtRuleName = $transformation; + $add = array_merge($add, $t); + } + if (isset($this->configuration["RemoveSource"]) && $this->configuration["RemoveSource"] === true) + { + array_splice($tokens, $i, $ii - $i + 1, $add); + } + else + { + array_splice($tokens, $ii + 1, 0, $add); + } + $l = count($tokens); + $i = $ii + count($add); + $r += count($add); + } + } + } + return $r; + } +} + +/** + * This {@link aCssMinifierPlugin} will convert a color value in hsl notation to hexadecimal notation. + * + * Example: + * + * color: hsl(232,36%,48%); + * + * + * Will get converted to: + * + * color:#4e5aa7; + * + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssConvertHslColorsMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Regular expression matching the value. + * + * @var string + */ + private $reMatch = "/^hsl\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*%\s*,\s*([0-9]+)\s*%\s*\)/iS"; + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (stripos($token->Value, "hsl") !== false && preg_match($this->reMatch, $token->Value, $m)) + { + $token->Value = str_replace($m[0], $this->hsl2hex($m[1], $m[2], $m[3]), $token->Value); + } + return false; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } + /** + * Convert a HSL value to hexadecimal notation. + * + * Based on: {@link http://www.easyrgb.com/index.php?X=MATH&H=19#text19}. + * + * @param integer $hue Hue + * @param integer $saturation Saturation + * @param integer $lightness Lightnesss + * @return string + */ + private function hsl2hex($hue, $saturation, $lightness) + { + $hue = $hue / 360; + $saturation = $saturation / 100; + $lightness = $lightness / 100; + if ($saturation == 0) + { + $red = $lightness * 255; + $green = $lightness * 255; + $blue = $lightness * 255; + } + else + { + if ($lightness < 0.5 ) + { + $v2 = $lightness * (1 + $saturation); + } + else + { + $v2 = ($lightness + $saturation) - ($saturation * $lightness); + } + $v1 = 2 * $lightness - $v2; + $red = 255 * self::hue2rgb($v1, $v2, $hue + (1 / 3)); + $green = 255 * self::hue2rgb($v1, $v2, $hue); + $blue = 255 * self::hue2rgb($v1, $v2, $hue - (1 / 3)); + } + return "#" . str_pad(dechex(round($red)), 2, "0", STR_PAD_LEFT) . str_pad(dechex(round($green)), 2, "0", STR_PAD_LEFT) . str_pad(dechex(round($blue)), 2, "0", STR_PAD_LEFT); + } + /** + * Apply hue to a rgb color value. + * + * @param integer $v1 Value 1 + * @param integer $v2 Value 2 + * @param integer $hue Hue + * @return integer + */ + private function hue2rgb($v1, $v2, $hue) + { + if ($hue < 0) + { + $hue += 1; + } + if ($hue > 1) + { + $hue -= 1; + } + if ((6 * $hue) < 1) + { + return ($v1 + ($v2 - $v1) * 6 * $hue); + } + if ((2 * $hue) < 1) + { + return ($v2); + } + if ((3 * $hue) < 2) + { + return ($v1 + ($v2 - $v1) * (( 2 / 3) - $hue) * 6); + } + return $v1; + } +} + +/** + * This {@link aCssMinifierPlugin} will convert the font-weight values normal and bold to their numeric notation. + * + * Example: + * + * font-weight: normal; + * font: bold 11px monospace; + * + * + * Will get converted to: + * + * font-weight:400; + * font:700 11px monospace; + * + * + * @package CssMin/Minifier/Pluginsn + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssConvertFontWeightMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Array of included declaration properties this plugin will process; others declaration properties will get + * ignored. + * + * @var array + */ + private $include = array + ( + "font", + "font-weight" + ); + /** + * Regular expression matching the value. + * + * @var string + */ + private $reMatch = null; + /** + * Transformation table used by the {@link CssConvertFontWeightMinifierPlugin::reReplace() replacement method}. + * + * @var array + */ + private $transformation = array + ( + "normal" => "400", + "bold" => "700" + ); + /** + * Overwrites {@link aCssMinifierPlugin::__construct()}. + * + * The constructor will create the {@link CssConvertFontWeightMinifierPlugin::$reMatch replace regular expression} + * based on the {@link CssConvertFontWeightMinifierPlugin::$transformation transformation table}. + * + * @param CssMinifier $minifier The CssMinifier object of this plugin. + * @return void + */ + public function __construct(CssMinifier $minifier) + { + $this->reMatch = "/(^|\s)+(" . implode("|", array_keys($this->transformation)). ")(\s|$)+/iS"; + parent::__construct($minifier); + } + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (in_array($token->Property, $this->include) && preg_match($this->reMatch, $token->Value, $m)) + { + $token->Value = preg_replace_callback($this->reMatch, array($this, 'reReplace'), $token->Value); + } + return false; + } + /** + * Callback for replacement value. + * + * @param array $match + * @return string + */ + private function reReplace($match) + { + return $match[1] . $this->transformation[strtolower($match[2])] . $match[3]; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } +} + +/** + * This {@link aCssMinifierPlugin} will compress several unit values to their short notations. Examples: + * + * + * padding: 0.5em; + * border: 0px; + * margin: 0 0 0 0; + * + * + * Will get compressed to: + * + * + * padding:.5px; + * border:0; + * margin:0; + * + * + * -- + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssCompressUnitValuesMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Regular expression used for matching and replacing unit values. + * + * @var array + */ + private $re = array + ( + "/(^| |-)0\.([0-9]+?)(0+)?(%|em|ex|px|in|cm|mm|pt|pc)/iS" => "\${1}.\${2}\${4}", + "/(^| )-?(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)/iS" => "\${1}0", + ); + /** + * Regular expression used for matching and replacing unit values only for non-blacklisted declarations. + * + * @var array + */ + private $reBlacklisted = array( + "/(^0\s0\s0\s0)|(^0\s0\s0$)|(^0\s0$)/iS" => "0", + ); + /** + * Blacklisted properties for the above regular expression. + * + * @var array + */ + private $propertiesBlacklist = array('background-position'); + /** + * Regular expression matching the value. + * + * @var string + */ + private $reMatch = "/(^| |-)0\.([0-9]+?)(0+)?(%|em|ex|px|in|cm|mm|pt|pc)|(^| )-?(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)|(^0\s0\s0\s0$)|(^0\s0\s0$)|(^0\s0$)/iS"; + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (preg_match($this->reMatch, $token->Value)) + { + foreach ($this->re as $reMatch => $reReplace) + { + $token->Value = preg_replace($reMatch, $reReplace, $token->Value); + } + if (!in_array($token->Property, $this->propertiesBlacklist)) + { + foreach ($this->reBlacklisted as $reMatch => $reReplace) + { + $token->Value = preg_replace($reMatch, $reReplace, $token->Value); + } + } + } + return false; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } +} + +/** + * This {@link aCssMinifierPlugin} compress the content of expresssion() declaration values. + * + * For compression of expressions {@link https://github.com/rgrove/jsmin-php/ JSMin} will get used. JSMin have to be + * already included or loadable via {@link http://goo.gl/JrW54 PHP autoloading}. + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssCompressExpressionValuesMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (class_exists("JSMin") && stripos($token->Value, "expression(") !== false) + { + $value = $token->Value; + $value = substr($token->Value, stripos($token->Value, "expression(") + 10); + $value = trim(JSMin::minify($value)); + $token->Value = "expression(" . $value . ")"; + } + return false; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } +} + +/** + * This {@link aCssMinifierPlugin} will convert hexadecimal color value with 6 chars to their 3 char hexadecimal + * notation (if possible). + * + * Example: + * + * color: #aabbcc; + * + * + * Will get converted to: + * + * color:#abc; + * + * + * @package CssMin/Minifier/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssCompressColorValuesMinifierPlugin extends aCssMinifierPlugin +{ + /** + * Regular expression matching 6 char hexadecimal color values. + * + * @var string + */ + private $reMatch = "/\#([0-9a-f]{6})/iS"; + /** + * Implements {@link aCssMinifierPlugin::minify()}. + * + * @param aCssToken $token Token to process + * @return boolean Return TRUE to break the processing of this token; FALSE to continue + */ + public function apply(aCssToken &$token) + { + if (strpos($token->Value, "#") !== false && preg_match($this->reMatch, $token->Value, $m)) + { + $value = strtolower($m[1]); + if ($value[0] == $value[1] && $value[2] == $value[3] && $value[4] == $value[5]) + { + $token->Value = str_replace($m[0], "#" . $value[0] . $value[2] . $value[4], $token->Value); + } + } + return false; + } + /** + * Implements {@link aMinifierPlugin::getTriggerTokens()} + * + * @return array + */ + public function getTriggerTokens() + { + return array + ( + "CssAtFontFaceDeclarationToken", + "CssAtPageDeclarationToken", + "CssRulesetDeclarationToken" + ); + } +} + +/** + * This {@link aCssToken CSS token} represents a CSS comment. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssCommentToken extends aCssToken +{ + /** + * Comment as Text. + * + * @var string + */ + public $Comment = ""; + /** + * Set the properties of a comment token. + * + * @param string $comment Comment including comment delimiters + * @return void + */ + public function __construct($comment) + { + $this->Comment = $comment; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return $this->Comment; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing comments. + * + * Adds a {@link CssCommentToken} to the parser if a comment was found. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssCommentParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("*", "/"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return false; + } + /** + * Stored buffer for restore. + * + * @var string + */ + private $restoreBuffer = ""; + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + if ($char === "*" && $previousChar === "/" && $state !== "T_COMMENT") + { + $this->parser->pushState("T_COMMENT"); + $this->parser->setExclusive(__CLASS__); + $this->restoreBuffer = substr($this->parser->getAndClearBuffer(), 0, -2); + } + elseif ($char === "/" && $previousChar === "*" && $state === "T_COMMENT") + { + $this->parser->popState(); + $this->parser->unsetExclusive(); + $this->parser->appendToken(new CssCommentToken("/*" . $this->parser->getAndClearBuffer())); + $this->parser->setBuffer($this->restoreBuffer); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the start of a @variables at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtVariablesStartToken extends aCssAtBlockStartToken +{ + /** + * Media types of the @variables at-rule block. + * + * @var array + */ + public $MediaTypes = array(); + /** + * Set the properties of a @variables at-rule token. + * + * @param array $mediaTypes Media types + * @return void + */ + public function __construct($mediaTypes = null) + { + $this->MediaTypes = $mediaTypes ? $mediaTypes : array("all"); + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return ""; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @variables at-rule block with including declarations. + * + * Found @variables at-rule blocks will add a {@link CssAtVariablesStartToken} and {@link CssAtVariablesEndToken} to the + * parser; including declarations as {@link CssAtVariablesDeclarationToken}. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtVariablesParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", "{", "}", ":", ";"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_VARIABLES::PREPARE", "T_AT_VARIABLES", "T_AT_VARIABLES_DECLARATION"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of @variables at-rule block + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@variables") + { + $this->parser->pushState("T_AT_VARIABLES::PREPARE"); + $this->parser->clearBuffer(); + return $index + 10; + } + // Start of @variables declarations + elseif ($char === "{" && $state === "T_AT_VARIABLES::PREPARE") + { + $this->parser->setState("T_AT_VARIABLES"); + $mediaTypes = array_filter(array_map("trim", explode(",", $this->parser->getAndClearBuffer("{")))); + $this->parser->appendToken(new CssAtVariablesStartToken($mediaTypes)); + } + // Start of @variables declaration + if ($char === ":" && $state === "T_AT_VARIABLES") + { + $this->buffer = $this->parser->getAndClearBuffer(":"); + $this->parser->pushState("T_AT_VARIABLES_DECLARATION"); + } + // Unterminated @variables declaration + elseif ($char === ":" && $state === "T_AT_VARIABLES_DECLARATION") + { + // Ignore Internet Explorer filter declarations + if ($this->buffer === "filter") + { + return false; + } + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated @variables declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_")); + } + // End of @variables declaration + elseif (($char === ";" || $char === "}") && $state === "T_AT_VARIABLES_DECLARATION") + { + $value = $this->parser->getAndClearBuffer(";}"); + if (strtolower(substr($value, -10, 10)) === "!important") + { + $value = trim(substr($value, 0, -10)); + $isImportant = true; + } + else + { + $isImportant = false; + } + $this->parser->popState(); + $this->parser->appendToken(new CssAtVariablesDeclarationToken($this->buffer, $value, $isImportant)); + $this->buffer = ""; + } + // End of @variables at-rule block + elseif ($char === "}" && $state === "T_AT_VARIABLES") + { + $this->parser->popState(); + $this->parser->clearBuffer(); + $this->parser->appendToken(new CssAtVariablesEndToken()); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a @variables at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtVariablesEndToken extends aCssAtBlockEndToken +{ + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return ""; + } +} + +/** + * This {@link aCssToken CSS token} represents a declaration of a @variables at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtVariablesDeclarationToken extends aCssDeclarationToken +{ + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return ""; + } +} + +/** + * This {@link aCssToken CSS token} represents the start of a @page at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtPageStartToken extends aCssAtBlockStartToken +{ + /** + * Selector. + * + * @var string + */ + public $Selector = ""; + /** + * Sets the properties of the @page at-rule. + * + * @param string $selector Selector + * @return void + */ + public function __construct($selector = "") + { + $this->Selector = $selector; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "@page" . ($this->Selector ? " " . $this->Selector : "") . "{"; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @page at-rule block with including declarations. + * + * Found @page at-rule blocks will add a {@link CssAtPageStartToken} and {@link CssAtPageEndToken} to the + * parser; including declarations as {@link CssAtPageDeclarationToken}. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtPageParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", "{", "}", ":", ";"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_PAGE::SELECTOR", "T_AT_PAGE", "T_AT_PAGE_DECLARATION"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of @page at-rule block + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 5)) === "@page") + { + $this->parser->pushState("T_AT_PAGE::SELECTOR"); + $this->parser->clearBuffer(); + return $index + 5; + } + // Start of @page declarations + elseif ($char === "{" && $state === "T_AT_PAGE::SELECTOR") + { + $selector = $this->parser->getAndClearBuffer("{"); + $this->parser->setState("T_AT_PAGE"); + $this->parser->clearBuffer(); + $this->parser->appendToken(new CssAtPageStartToken($selector)); + } + // Start of @page declaration + elseif ($char === ":" && $state === "T_AT_PAGE") + { + $this->parser->pushState("T_AT_PAGE_DECLARATION"); + $this->buffer = $this->parser->getAndClearBuffer(":", true); + } + // Unterminated @font-face declaration + elseif ($char === ":" && $state === "T_AT_PAGE_DECLARATION") + { + // Ignore Internet Explorer filter declarations + if ($this->buffer === "filter") + { + return false; + } + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated @page declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_")); + } + // End of @page declaration + elseif (($char === ";" || $char === "}") && $state == "T_AT_PAGE_DECLARATION") + { + $value = $this->parser->getAndClearBuffer(";}"); + if (strtolower(substr($value, -10, 10)) == "!important") + { + $value = trim(substr($value, 0, -10)); + $isImportant = true; + } + else + { + $isImportant = false; + } + $this->parser->popState(); + $this->parser->appendToken(new CssAtPageDeclarationToken($this->buffer, $value, $isImportant)); + // -- + if ($char === "}") + { + $this->parser->popState(); + $this->parser->appendToken(new CssAtPageEndToken()); + } + $this->buffer = ""; + } + // End of @page at-rule block + elseif ($char === "}" && $state === "T_AT_PAGE") + { + $this->parser->popState(); + $this->parser->clearBuffer(); + $this->parser->appendToken(new CssAtPageEndToken()); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a @page at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtPageEndToken extends aCssAtBlockEndToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents a declaration of a @page at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtPageDeclarationToken extends aCssDeclarationToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents the start of a @media at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtMediaStartToken extends aCssAtBlockStartToken +{ + /** + * Sets the properties of the @media at-rule. + * + * @param array $mediaTypes Media types + * @return void + */ + public function __construct(array $mediaTypes = array()) + { + $this->MediaTypes = $mediaTypes; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "@media " . implode(",", $this->MediaTypes) . "{"; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @media at-rule block. + * + * Found @media at-rule blocks will add a {@link CssAtMediaStartToken} and {@link CssAtMediaEndToken} to the parser. + * This plugin will also set the the current media types using {@link CssParser::setMediaTypes()} and + * {@link CssParser::unsetMediaTypes()}. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtMediaParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", "{", "}"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_MEDIA::PREPARE", "T_AT_MEDIA"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 6)) === "@media") + { + $this->parser->pushState("T_AT_MEDIA::PREPARE"); + $this->parser->clearBuffer(); + return $index + 6; + } + elseif ($char === "{" && $state === "T_AT_MEDIA::PREPARE") + { + $mediaTypes = array_filter(array_map("trim", explode(",", $this->parser->getAndClearBuffer("{")))); + $this->parser->setMediaTypes($mediaTypes); + $this->parser->setState("T_AT_MEDIA"); + $this->parser->appendToken(new CssAtMediaStartToken($mediaTypes)); + } + elseif ($char === "}" && $state === "T_AT_MEDIA") + { + $this->parser->appendToken(new CssAtMediaEndToken()); + $this->parser->clearBuffer(); + $this->parser->unsetMediaTypes(); + $this->parser->popState(); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a @media at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtMediaEndToken extends aCssAtBlockEndToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents the start of a @keyframes at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtKeyframesStartToken extends aCssAtBlockStartToken +{ + /** + * Name of the at-rule. + * + * @var string + */ + public $AtRuleName = "keyframes"; + /** + * Name + * + * @var string + */ + public $Name = ""; + /** + * Sets the properties of the @page at-rule. + * + * @param string $selector Selector + * @return void + */ + public function __construct($name, $atRuleName = null) + { + $this->Name = $name; + if (!is_null($atRuleName)) + { + $this->AtRuleName = $atRuleName; + } + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + if ($this->AtRuleName === "-moz-keyframes") + { + return "@-moz-keyframes " . $this->Name . " {"; + } + return "@" . $this->AtRuleName . " " . $this->Name . "{"; + } +} + +/** + * This {@link aCssToken CSS token} represents the start of a ruleset of a @keyframes at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtKeyframesRulesetStartToken extends aCssRulesetStartToken +{ + /** + * Array of selectors. + * + * @var array + */ + public $Selectors = array(); + /** + * Set the properties of a ruleset token. + * + * @param array $selectors Selectors of the ruleset + * @return void + */ + public function __construct(array $selectors = array()) + { + $this->Selectors = $selectors; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return implode(",", $this->Selectors) . "{"; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a ruleset of a @keyframes at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtKeyframesRulesetEndToken extends aCssRulesetEndToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents a ruleset declaration of a @keyframes at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtKeyframesRulesetDeclarationToken extends aCssDeclarationToken +{ + +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @keyframes at-rule blocks, rulesets and declarations. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtKeyframesParserPlugin extends aCssParserPlugin +{ + /** + * @var string Keyword + */ + private $atRuleName = ""; + /** + * Selectors. + * + * @var array + */ + private $selectors = array(); + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", "{", "}", ":", ",", ";"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_KEYFRAMES::NAME", "T_AT_KEYFRAMES", "T_AT_KEYFRAMES_RULESETS", "T_AT_KEYFRAMES_RULESET", "T_AT_KEYFRAMES_RULESET_DECLARATION"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of @keyframes at-rule block + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@keyframes") + { + $this->atRuleName = "keyframes"; + $this->parser->pushState("T_AT_KEYFRAMES::NAME"); + $this->parser->clearBuffer(); + return $index + 10; + } + // Start of @keyframes at-rule block (@-moz-keyframes) + elseif ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 15)) === "@-moz-keyframes") + { + $this->atRuleName = "-moz-keyframes"; + $this->parser->pushState("T_AT_KEYFRAMES::NAME"); + $this->parser->clearBuffer(); + return $index + 15; + } + // Start of @keyframes at-rule block (@-webkit-keyframes) + elseif ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 18)) === "@-webkit-keyframes") + { + $this->atRuleName = "-webkit-keyframes"; + $this->parser->pushState("T_AT_KEYFRAMES::NAME"); + $this->parser->clearBuffer(); + return $index + 18; + } + // Start of @keyframes at-rule block (@-o-keyframes) + elseif ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 13)) === "@-o-keyframes") + { + $this->atRuleName = "-o-keyframes"; + $this->parser->pushState("T_AT_KEYFRAMES::NAME"); + $this->parser->clearBuffer(); + return $index + 13; + } + // Start of @keyframes at-rule block (@-ms-keyframes) + elseif ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 14)) === "@-ms-keyframes") + { + $this->atRuleName = "-ms-keyframes"; + $this->parser->pushState("T_AT_KEYFRAMES::NAME"); + $this->parser->clearBuffer(); + return $index + 14; + } + // Start of @keyframes rulesets + elseif ($char === "{" && $state === "T_AT_KEYFRAMES::NAME") + { + $name = $this->parser->getAndClearBuffer("{\"'"); + $this->parser->setState("T_AT_KEYFRAMES_RULESETS"); + $this->parser->clearBuffer(); + $this->parser->appendToken(new CssAtKeyframesStartToken($name, $this->atRuleName)); + } + // Start of @keyframe ruleset and selectors + if ($char === "," && $state === "T_AT_KEYFRAMES_RULESETS") + { + $this->selectors[] = $this->parser->getAndClearBuffer(",{"); + } + // Start of a @keyframes ruleset + elseif ($char === "{" && $state === "T_AT_KEYFRAMES_RULESETS") + { + if ($this->parser->getBuffer() !== "") + { + $this->selectors[] = $this->parser->getAndClearBuffer(",{"); + $this->parser->pushState("T_AT_KEYFRAMES_RULESET"); + $this->parser->appendToken(new CssAtKeyframesRulesetStartToken($this->selectors)); + $this->selectors = array(); + } + } + // Start of @keyframes ruleset declaration + elseif ($char === ":" && $state === "T_AT_KEYFRAMES_RULESET") + { + $this->parser->pushState("T_AT_KEYFRAMES_RULESET_DECLARATION"); + $this->buffer = $this->parser->getAndClearBuffer(":;", true); + } + // Unterminated @keyframes ruleset declaration + elseif ($char === ":" && $state === "T_AT_KEYFRAMES_RULESET_DECLARATION") + { + // Ignore Internet Explorer filter declarations + if ($this->buffer === "filter") + { + return false; + } + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated @keyframes ruleset declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_")); + } + // End of declaration + elseif (($char === ";" || $char === "}") && $state === "T_AT_KEYFRAMES_RULESET_DECLARATION") + { + $value = $this->parser->getAndClearBuffer(";}"); + if (strtolower(substr($value, -10, 10)) === "!important") + { + $value = trim(substr($value, 0, -10)); + $isImportant = true; + } + else + { + $isImportant = false; + } + $this->parser->popState(); + $this->parser->appendToken(new CssAtKeyframesRulesetDeclarationToken($this->buffer, $value, $isImportant)); + // Declaration ends with a right curly brace; so we have to end the ruleset + if ($char === "}") + { + $this->parser->appendToken(new CssAtKeyframesRulesetEndToken()); + $this->parser->popState(); + } + $this->buffer = ""; + } + // End of @keyframes ruleset + elseif ($char === "}" && $state === "T_AT_KEYFRAMES_RULESET") + { + $this->parser->clearBuffer(); + + $this->parser->popState(); + $this->parser->appendToken(new CssAtKeyframesRulesetEndToken()); + } + // End of @keyframes rulesets + elseif ($char === "}" && $state === "T_AT_KEYFRAMES_RULESETS") + { + $this->parser->clearBuffer(); + $this->parser->popState(); + $this->parser->appendToken(new CssAtKeyframesEndToken()); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a @keyframes at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtKeyframesEndToken extends aCssAtBlockEndToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents a @import at-rule. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1.b1 (2001-02-22) + */ +class CssAtImportToken extends aCssToken +{ + /** + * Import path of the @import at-rule. + * + * @var string + */ + public $Import = ""; + /** + * Media types of the @import at-rule. + * + * @var array + */ + public $MediaTypes = array(); + /** + * Set the properties of a @import at-rule token. + * + * @param string $import Import path + * @param array $mediaTypes Media types + * @return void + */ + public function __construct($import, $mediaTypes) + { + $this->Import = $import; + $this->MediaTypes = $mediaTypes ? $mediaTypes : array(); + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "@import \"" . $this->Import . "\"" . (count($this->MediaTypes) > 0 ? " " . implode(",", $this->MediaTypes) : ""). ";"; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @import at-rule. + * + * If a @import at-rule was found this plugin will add a {@link CssAtImportToken} to the parser. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtImportParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", ";", ",", "\n"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_IMPORT"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 7)) === "@import") + { + $this->parser->pushState("T_AT_IMPORT"); + $this->parser->clearBuffer(); + return $index + 7; + } + elseif (($char === ";" || $char === "\n") && $state === "T_AT_IMPORT") + { + $this->buffer = $this->parser->getAndClearBuffer(";"); + $pos = false; + foreach (array(")", "\"", "'") as $needle) + { + if (($pos = strrpos($this->buffer, $needle)) !== false) + { + break; + } + } + $import = substr($this->buffer, 0, $pos + 1); + if (stripos($import, "url(") === 0) + { + $import = substr($import, 4, -1); + } + $import = trim($import, " \t\n\r\0\x0B'\""); + $mediaTypes = array_filter(array_map("trim", explode(",", trim(substr($this->buffer, $pos + 1), " \t\n\r\0\x0B{")))); + if ($pos) + { + $this->parser->appendToken(new CssAtImportToken($import, $mediaTypes)); + } + else + { + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Invalid @import at-rule syntax", $this->buffer)); + } + $this->parser->popState(); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the start of a @font-face at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtFontFaceStartToken extends aCssAtBlockStartToken +{ + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "@font-face{"; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @font-face at-rule block with including declarations. + * + * Found @font-face at-rule blocks will add a {@link CssAtFontFaceStartToken} and {@link CssAtFontFaceEndToken} to the + * parser; including declarations as {@link CssAtFontFaceDeclarationToken}. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtFontFaceParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", "{", "}", ":", ";"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_FONT_FACE::PREPARE", "T_AT_FONT_FACE", "T_AT_FONT_FACE_DECLARATION"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + // Start of @font-face at-rule block + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 10)) === "@font-face") + { + $this->parser->pushState("T_AT_FONT_FACE::PREPARE"); + $this->parser->clearBuffer(); + return $index + 10 - 1; + } + // Start of @font-face declarations + elseif ($char === "{" && $state === "T_AT_FONT_FACE::PREPARE") + { + $this->parser->setState("T_AT_FONT_FACE"); + $this->parser->clearBuffer(); + $this->parser->appendToken(new CssAtFontFaceStartToken()); + } + // Start of @font-face declaration + elseif ($char === ":" && $state === "T_AT_FONT_FACE") + { + $this->parser->pushState("T_AT_FONT_FACE_DECLARATION"); + $this->buffer = $this->parser->getAndClearBuffer(":", true); + } + // Unterminated @font-face declaration + elseif ($char === ":" && $state === "T_AT_FONT_FACE_DECLARATION") + { + // Ignore Internet Explorer filter declarations + if ($this->buffer === "filter") + { + return false; + } + CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Unterminated @font-face declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_")); + } + // End of @font-face declaration + elseif (($char === ";" || $char === "}") && $state === "T_AT_FONT_FACE_DECLARATION") + { + $value = $this->parser->getAndClearBuffer(";}"); + if (strtolower(substr($value, -10, 10)) === "!important") + { + $value = trim(substr($value, 0, -10)); + $isImportant = true; + } + else + { + $isImportant = false; + } + $this->parser->popState(); + $this->parser->appendToken(new CssAtFontFaceDeclarationToken($this->buffer, $value, $isImportant)); + $this->buffer = ""; + // -- + if ($char === "}") + { + $this->parser->appendToken(new CssAtFontFaceEndToken()); + $this->parser->popState(); + } + } + // End of @font-face at-rule block + elseif ($char === "}" && $state === "T_AT_FONT_FACE") + { + $this->parser->appendToken(new CssAtFontFaceEndToken()); + $this->parser->clearBuffer(); + $this->parser->popState(); + } + else + { + return false; + } + return true; + } +} + +/** + * This {@link aCssToken CSS token} represents the end of a @font-face at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtFontFaceEndToken extends aCssAtBlockEndToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents a declaration of a @font-face at-rule block. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtFontFaceDeclarationToken extends aCssDeclarationToken +{ + +} + +/** + * This {@link aCssToken CSS token} represents a @charset at-rule. + * + * @package CssMin/Tokens + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtCharsetToken extends aCssToken +{ + /** + * Charset of the @charset at-rule. + * + * @var string + */ + public $Charset = ""; + /** + * Set the properties of @charset at-rule token. + * + * @param string $charset Charset of the @charset at-rule token + * @return void + */ + public function __construct($charset) + { + $this->Charset = $charset; + } + /** + * Implements {@link aCssToken::__toString()}. + * + * @return string + */ + public function __toString() + { + return "@charset " . $this->Charset . ";"; + } +} + +/** + * {@link aCssParserPlugin Parser plugin} for parsing @charset at-rule. + * + * If a @charset at-rule was found this plugin will add a {@link CssAtCharsetToken} to the parser. + * + * @package CssMin/Parser/Plugins + * @link http://code.google.com/p/cssmin/ + * @author Joe Scylla + * @copyright 2008 - 2011 Joe Scylla + * @license http://opensource.org/licenses/mit-license.php MIT License + * @version 3.0.1 + */ +class CssAtCharsetParserPlugin extends aCssParserPlugin +{ + /** + * Implements {@link aCssParserPlugin::getTriggerChars()}. + * + * @return array + */ + public function getTriggerChars() + { + return array("@", ";", "\n"); + } + /** + * Implements {@link aCssParserPlugin::getTriggerStates()}. + * + * @return array + */ + public function getTriggerStates() + { + return array("T_DOCUMENT", "T_AT_CHARSET"); + } + /** + * Implements {@link aCssParserPlugin::parse()}. + * + * @param integer $index Current index + * @param string $char Current char + * @param string $previousChar Previous char + * @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing + */ + public function parse($index, $char, $previousChar, $state) + { + if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 8)) === "@charset") + { + $this->parser->pushState("T_AT_CHARSET"); + $this->parser->clearBuffer(); + return $index + 8; + } + elseif (($char === ";" || $char === "\n") && $state === "T_AT_CHARSET") + { + $charset = $this->parser->getAndClearBuffer(";"); + $this->parser->popState(); + $this->parser->appendToken(new CssAtCharsetToken($charset)); + } + else + { + return false; + } + return true; + } +} + +?> diff --git a/lib/cssmin/copyright b/lib/cssmin/copyright new file mode 100644 index 0000000..0738703 --- /dev/null +++ b/lib/cssmin/copyright @@ -0,0 +1,26 @@ +Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ +Upstream-Name: CssMin +Source: https://github.com/natxet/CssMin +Upstream-Contact: Joe Scylla + +Files: * +Copyright: 2008-2011, Joe Scylla + Rowan Beentje +License: Expat + 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. -- cgit v1.2.3