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Diffstat (limited to 'lib/CssMin.php')
| -rw-r--r-- | lib/CssMin.php | 5098 |
1 files changed, 5098 insertions, 0 deletions
diff --git a/lib/CssMin.php b/lib/CssMin.php new file mode 100644 index 0000000..5d6f473 --- /dev/null +++ b/lib/CssMin.php @@ -0,0 +1,5098 @@ +<?php +/**
+ * CssMin - A (simple) css minifier with benefits
+ *
+ * --
+ * Copyright (c) 2011 Joe Scylla <joe.scylla@gmail.com>
+ *
+ * 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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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:
+ * <code>
+ * @variables
+ * {
+ * defaultColor: black;
+ * }
+ * color: var(defaultColor);
+ * </code>
+ *
+ * Will get converted to:
+ * <code>
+ * color:black;
+ * </code>
+ *
+ * @package CssMin/Minifier/Plugins
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <code>" . $variable . "</code> in media types <code>" . implode(", ", $mediaTypes) . "</code>", (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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <code>CssVariablesMinifierPlugin</code> was not found but is required for <code>" . __CLASS__ . "</code>"));
+ }
+ 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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <http://assanka.net>
+ * @copyright Rowan Beentje <http://assanka.net>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"));
+ }
+ }
+ }
+ if (!is_null($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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"));
+ }
+ }
+ }
+ // Plugins
+ foreach ($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 <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"));
+ }
+ }
+ }
+ // --
+ if (!is_null($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 <joe.scylla@gmail.com>
+ *
+ * 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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <code>" . ($this->configuration["BasePath"] ? $this->configuration["BasePath"] : "null"). "</code> is not a directory"));
+ return 0;
+ }
+ for ($i = 0, $l = count($tokens); $i < $l; $i++)
+ {
+ if (get_class($tokens[$i]) === "CssAtImportToken")
+ {
+ $import = $this->configuration["BasePath"] . "/" . $tokens[$i]->Import;
+ // Import file was not found/is not a file
+ if (!is_file($import))
+ {
+ CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Import file <code>" . $import. "</code> was not found.", (string) $tokens[$i]));
+ }
+ // 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 <code>" . $import. "</code> was already imported.", (string) $tokens[$i]));
+ $tokens[$i] = null;
+ }
+ else
+ {
+ $this->imported[] = $import;
+ $parser = new CssParser(file_get_contents($import));
+ $import = $parser->getTokens();
+ // The @import at-rule has media types defined requiring special handling
+ if (count($tokens[$i]->MediaTypes) > 0 && !(count($tokens[$i]->MediaTypes) == 1 && $tokens[$i]->MediaTypes[0] == "all"))
+ {
+ $blocks = array();
+ /*
+ * Filter or set media types of @import at-rule or remove the @import at-rule if no media type is matching the parent @import at-rule
+ */
+ for($ii = 0, $ll = count($import); $ii < $ll; $ii++)
+ {
+ if (get_class($import[$ii]) === "CssAtImportToken")
+ {
+ // @import at-rule defines no media type or only the "all" media type; set the media types to the one defined in the parent @import at-rule
+ if (count($import[$ii]->MediaTypes) == 0 || (count($import[$ii]->MediaTypes) == 1 && $import[$ii]->MediaTypes[0] == "all"))
+ {
+ $import[$ii]->MediaTypes = $tokens[$i]->MediaTypes;
+ }
+ // @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 ? ": <br /><code>" . $this->Source . "</code>": "") . "<br />in file " . $this->File . " at line " . $this->Line;
+ }
+ }
+
+/**
+ * This {@link aCssMinifierPlugin} will convert a color value in rgb notation to hexadecimal notation.
+ *
+ * Example:
+ * <code>
+ * color: rgb(200,60%,5);
+ * </code>
+ *
+ * Will get converted to:
+ * <code>
+ * color:#c89905;
+ * </code>
+ *
+ * @package CssMin/Minifier/Plugins
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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:
+ * <code>
+ * color: black;
+ * border: 1px solid indigo;
+ * </code>
+ *
+ * Will get converted to:
+ * <code>
+ * color:#000;
+ * border:1px solid #4b0082;
+ * </code>
+ *
+ * @package CssMin/Minifier/Plugins
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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;
+ /**
+ * Regular expression replacing the value.
+ *
+ * @var string
+ */
+ private $reReplace = "\"\${1}\" . \$this->transformation[strtolower(\"\${2}\")] . \"\${3}\"";
+ /**
+ * Transformation table used by the {@link CssConvertNamedColorsMinifierPlugin::$reReplace replace regular expression}.
+ *
+ * @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::$reReplace 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|$)+/eiS";
+ parent::__construct($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))
+ {
+ $token->Value = preg_replace($this->reMatch, $this->reReplace, $token->Value);
+ }
+ return false;
+ }
+ /**
+ * 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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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:
+ * <code>
+ * color: hsl(232,36%,48%);
+ * </code>
+ *
+ * Will get converted to:
+ * <code>
+ * color:#4e5aa7;
+ * </code>
+ *
+ * @package CssMin/Minifier/Plugins
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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:
+ * <code>
+ * font-weight: normal;
+ * font: bold 11px monospace;
+ * </code>
+ *
+ * Will get converted to:
+ * <code>
+ * font-weight:400;
+ * font:700 11px monospace;
+ * </code>
+ *
+ * @package CssMin/Minifier/Pluginsn
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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;
+ /**
+ * Regular expression replace the value.
+ *
+ * @var string
+ */
+ private $reReplace = "\"\${1}\" . \$this->transformation[\"\${2}\"] . \"\${3}\"";
+ /**
+ * Transformation table used by the {@link CssConvertFontWeightMinifierPlugin::$reReplace replace regular expression}.
+ *
+ * @var array
+ */
+ private $transformation = array
+ (
+ "normal" => "400",
+ "bold" => "700"
+ );
+ /**
+ * Overwrites {@link aCssMinifierPlugin::__construct()}.
+ *
+ * The constructor will create the {@link CssConvertFontWeightMinifierPlugin::$reReplace 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|$)+/eiS";
+ parent::__construct($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))
+ {
+ $token->Value = preg_replace($this->reMatch, $this->reReplace, $token->Value);
+ }
+ return false;
+ }
+ /**
+ * 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:
+ *
+ * <code>
+ * padding: 0.5em;
+ * border: 0px;
+ * margin: 0 0 0 0;
+ * </code>
+ *
+ * Will get compressed to:
+ *
+ * <code>
+ * padding:.5px;
+ * border:0;
+ * margin:0;
+ * </code>
+ *
+ * --
+ *
+ * @package CssMin/Minifier/Plugins
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 $re = array
+ (
+ "/(^| |-)0\.([0-9]+?)(0+)?(%|em|ex|px|in|cm|mm|pt|pc)/iS" => "\${1}.\${2}\${4}",
+ "/(^| )-?(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)/iS" => "\${1}0",
+ "/(^0\s0\s0\s0)|(^0\s0\s0$)|(^0\s0$)/iS" => "0"
+ );
+ /**
+ * 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);
+ }
+ }
+ 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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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:
+ * <code>
+ * color: #aabbcc;
+ * </code>
+ *
+ * Will get converted to:
+ * <code>
+ * color:#abc;
+ * </code>
+ *
+ * @package CssMin/Minifier/Plugins
+ * @link http://code.google.com/p/cssmin/
+ * @author Joe Scylla <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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()
+ {
+ 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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 $index + 15;
+ }
+ // Start of @keyframes at-rule block (@-o-keyframes)
+ elseif ($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 = "-moz-keyframes";
+ $this->parser->pushState("T_AT_KEYFRAMES::NAME");
+ $this->parser->clearBuffer();
+ return $index + 14;
+ }
+ // Start of @keyframes at-rule block (@-webkit-keyframes)
+ elseif ($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 $index + 18;
+ }
+ // Start of @keyframes rulesets
+ elseif ($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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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->parser->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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 $index + 10;
+ }
+ // Start of @font-face declarations
+ elseif ($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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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 <joe.scylla@gmail.com>
+ * @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
+ * @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;
+ }
+ }
+ +?>
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