/**
 * Trait Redirects_On_Save
 *
 * @since 2.5
 */

trait Redirects_On_Save {

	private static $_saved_item_id = null;

	/**
	 * Redirect the user to the newly-created Confirmation after save.
	 *
	 * @since 2.5
	 */
	public static function redirect_after_valid_save( $query_arg ) {
		if ( rgget( $query_arg ) != 0 ) {
			return;
		}

		if ( is_null( self::$_saved_item_id ) ) {
			return;
		}

		$values   = self::get_settings_renderer()->get_posted_values();
		$is_valid = self::get_settings_renderer()->validate( $values );

		if ( ! $is_valid ) {
			return;
		}

		$url = get_admin_url();
		$url = add_query_arg(
			array(
				'page'     => GFForms::get_page_query_arg(),
				'view'     => rgget( 'view' ),
				'subview'  => rgget( 'subview' ),
				'id'       => rgget( 'id' ),
				$query_arg => self::$_saved_item_id,
			),
			$url
		);

		self::save_flash_message();

		wp_safe_redirect( esc_url_raw( $url ) );
	}

	/**
	 * Get the formatted Option Name for this item.
	 *
	 * @since 2.5
	 *
	 * @return string
	 */
	protected static function get_flash_id() {
		return sprintf( 'gform_save_redirect_message_' . self::$_saved_item_id );
	}

	/**
	 * Get the saved flash message flag for this item.
	 *
	 * @since 2.5
	 *
	 * @return false|mixed|void
	 */
	protected static function get_flash_message() {
		return get_option( self::get_flash_id() );
	}

	/**
	 * Save the flash message flag.
	 *
	 * @since 2.5
	 */
	protected static function save_flash_message() {
		update_option( self::get_flash_id(), true );
	}

	/**
	 * Flush the flash message flag.
	 *
	 * @since 2.5
	 */
	protected static function flush_flash_message() {
		delete_option( self::get_flash_id() );
	}

	/**
	 * Check if the current page load is a Save Redirect by checking for a flash message flag.
	 *
	 * @since 2.5
	 *
	 * @param $attr
	 *
	 * @return bool
	 */
	protected static function is_save_redirect( $attr ) {
		if ( ! empty( rgget( $attr ) ) ) {
			self::$_saved_item_id = rgget( $attr );
		}

		if ( empty( self::$_saved_item_id ) ) {
			return false;
		}

		$has = self::get_flash_message();

		if ( empty( $has ) ) {
			return false;
		}

		// Flush to avoid showing every time.
		self::flush_flash_message();

		return true;
	}
}

/**
 * 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 $index + 15;
			}
		// Start of @keyframes at-rule block (@-webkit-keyframes)
		elseif ($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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<head>

<meta charset="UTF-8" />

<title>Games | Discount Games - RPG VIDEO BOARD GAME PLAY - Part 136Discount Games &#8211; RPG VIDEO BOARD GAME PLAY | Page 136</title>
	
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			<div id="post-9098" class="post-9098 post type-post status-publish format-standard hentry category-games category-video-game tag-games tag-video-games">
			<h2 class="entry-title"><a href="http://www.discountgames.com/aussie-deals-amazon-is-rocking-a-mad-meta-quest-2-vr-deal-right-now/" title="Permalink to Aussie Deals: Amazon is Rocking a Mad Meta Quest 2 VR Deal Right Now!" rel="bookmark">Aussie Deals: Amazon is Rocking a Mad Meta Quest 2 VR Deal Right Now!</a></h2>

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				<span class="meta-prep meta-prep-author">Posted on</span> <a href="http://www.discountgames.com/aussie-deals-amazon-is-rocking-a-mad-meta-quest-2-vr-deal-right-now/" title="10:04 am" rel="bookmark"><span class="entry-date">July 11, 2022</span></a> <span class="meta-sep">by</span> <span class="author vcard"><a class="url fn n" href="http://www.discountgames.com/author/adam-mathew/" title="View all posts by Adam Mathew">Adam Mathew</a></span>			</div><!-- .entry-meta -->

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				<p>Here&#8217;s a fantastic opportunity if you&#8217;ve been waiting to dive into the mind-blowing medium of VR. <a href="http://www.discountgames.com/aussie-deals-amazon-is-rocking-a-mad-meta-quest-2-vr-deal-right-now/">Continue reading <span class="meta-nav">&rarr;</span></a></p>
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			<div id="post-9100" class="post-9100 post type-post status-publish format-standard hentry category-games category-video-game tag-games tag-video-games">
			<h2 class="entry-title"><a href="http://www.discountgames.com/ubisoft-appears-to-be-removing-access-to-assassins-creed-liberation-hd-even-for-owners/" title="Permalink to Ubisoft Appears to Be Removing Access to Assassin&#8217;s Creed: Liberation HD, Even for Owners" rel="bookmark">Ubisoft Appears to Be Removing Access to Assassin&#8217;s Creed: Liberation HD, Even for Owners</a></h2>

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				<span class="meta-prep meta-prep-author">Posted on</span> <a href="http://www.discountgames.com/ubisoft-appears-to-be-removing-access-to-assassins-creed-liberation-hd-even-for-owners/" title="9:46 am" rel="bookmark"><span class="entry-date">July 11, 2022</span></a> <span class="meta-sep">by</span> <span class="author vcard"><a class="url fn n" href="http://www.discountgames.com/author/ryan-dinsdale/" title="View all posts by Ryan Dinsdale">Ryan Dinsdale</a></span>			</div><!-- .entry-meta -->

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				<p>Ubisoft is removing access to Assassin&#8217;s Creed: Liberation HD on Steam – seemingly even for users who have already bought the game. <a href="http://www.discountgames.com/ubisoft-appears-to-be-removing-access-to-assassins-creed-liberation-hd-even-for-owners/">Continue reading <span class="meta-nav">&rarr;</span></a></p>
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			<div id="post-9102" class="post-9102 post type-post status-publish format-standard hentry category-games category-video-game tag-games tag-video-games">
			<h2 class="entry-title"><a href="http://www.discountgames.com/marauders-beta-kicks-off-next-week/" title="Permalink to Marauders Beta Kicks Off Next Week" rel="bookmark">Marauders Beta Kicks Off Next Week</a></h2>

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				<span class="meta-prep meta-prep-author">Posted on</span> <a href="http://www.discountgames.com/marauders-beta-kicks-off-next-week/" title="9:00 am" rel="bookmark"><span class="entry-date">July 11, 2022</span></a> <span class="meta-sep">by</span> <span class="author vcard"><a class="url fn n" href="http://www.discountgames.com/author/ryan-mccaffrey/" title="View all posts by Ryan McCaffrey">Ryan McCaffrey</a></span>			</div><!-- .entry-meta -->

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<p>Marauders, the upcoming <a href="https://www.ign.com/articles/marauders-new-pve-looter-shooter-fps-announced-pc">PvPvE loot-and-raid sci-fi first-person shooter</a> that combines on-foot FPS gameplay and spaceship dogfighting, is heading into a closed beta session next week.</p>
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<p>From July 20-25, anyone who preorders Marauders will be able to participate in the closed beta on Steam. Developer Small Impact Games and publisher Team17 say that the closed beta will add two new Raid locations since the closed alpha a couple months ago: Merchant Ship, which they describe as &#8220;an expansive, breach-able frigate perfect for intimate and long-range firefights&#8221; and Terraformer, a &#8220;newly abandoned agricultural hub built on top of an asteroid shard.&#8221; </p>
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<p>We <a href="https://www.ign.com/articles/marauders-preview-closed-alpha-hands-on-impressions-raid-looter-shooter">previewed</a> Marauders during the closed alpha recently and came away impressed with the core gameplay loop. The closed beta will add a number of improvements made since the alpha, including the addition of the Heavy Thompson and the Klobb Machine Pistol weapons, as well as the ‘Scrap Bomb’ heavy explosive and &#8220;numerous quality-of-life improvements such a ‘Quick Loot’ option and foldable bags for economic inventory management.&#8221;</p>
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<p>Marauders will launch into Steam Early Access and Game Preview via PC Game Pass later in 2022.</p>
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<p><em>Ryan McCaffrey is IGN&#8217;s executive editor of previews and host of both IGN&#8217;s weekly Xbox show, </em><a href="https://www.ign.com/watch/unlocked">Podcast Unlocked</a><em>, as well as our monthly(-ish) interview show, </em><a href="https://www.ign.com/articles/2016/02/04/ign-unfiltered-every-episode-ever">IGN Unfiltered</a><em>. He&#8217;s a North Jersey guy, so it&#8217;s &#8220;Taylor ham,&#8221; not &#8220;pork roll.&#8221; Debate it with him on Twitter at </em><a href="https://twitter.com/DMC_Ryan"><em>@DMC_Ryan</em></a><em>.</em></p>
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			<div id="post-9104" class="post-9104 post type-post status-publish format-standard hentry category-games category-video-game tag-games tag-video-games">
			<h2 class="entry-title"><a href="http://www.discountgames.com/westworld-season-4-episode-3-review-annees-folles/" title="Permalink to Westworld Season 4, Episode 3 Review &#8211; &#8220;Annees Folles&#8221;" rel="bookmark">Westworld Season 4, Episode 3 Review &#8211; &#8220;Annees Folles&#8221;</a></h2>

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				<span class="meta-prep meta-prep-author">Posted on</span> <a href="http://www.discountgames.com/westworld-season-4-episode-3-review-annees-folles/" title="9:00 am" rel="bookmark"><span class="entry-date">July 11, 2022</span></a> <span class="meta-sep">by</span> <span class="author vcard"><a class="url fn n" href="http://www.discountgames.com/author/matt-fowler/" title="View all posts by Matt Fowler">Matt Fowler</a></span>			</div><!-- .entry-meta -->

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<p><em>Warning: The following contains </em><em><strong>full spoilers</strong></em><em> for the Westworld Season 4 episode &#8220;Annees Folles,&#8221; which aired on July 10 on HBO. </em></p>
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<p><em>To read our review of </em><a href="https://www.ign.com/articles/westworld-season-4-episode-2-well-enough-alone-review"><em>last week&#8217;s Westworld episode, &#8220;Well Enough Alone,&#8221; click here.</em></a>  </p>
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<p>&#8220;Annees Folles&#8221; journeyed into a new cyborg theme park, The Golden Age &#8212; a Roaring &#8217;20s reskinning of Westworld &#8212; as Maeve and Caleb stumbled further down the rabbit hole and into the clutches of Hale and William. It was the most exciting, and devious, Season 4 episode so far, saddling up very close to what <em>might be</em> the big secret of this new storyline, which is robots puppeting human beings as if they were machines.</p>
<p><em>To be fair</em>, we&#8217;ve seen this happen already with William&#8217;s flies. We&#8217;ve witnessed people become A.I. playthings thanks to the black nano-goop being developed in the park&#8217;s sub-levels. Now we just have to, perhaps, broaden our scope a bit. Think on a macro level: the entire world. But also, to this end &#8212; and &#8220;Annees Folles&#8221; seemed like it was about to give us this reveal &#8212; the use of actual humans in theme parks and games. We didn&#8217;t get absolute confirmation but it sure felt like we were about to find out that the hosts in The Golden Age were actually humans.. humans who get gunned down and replaced by new humans. There&#8217;s a sinister poetic justice at work here, all in line with what Hale said last week, where humans would be unknowingly offing each other, thinking it&#8217;s all just part of the theme park theatrics. </p>
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<p><em>Check out our video review of Westworld&#8217;s Season 4 premiere here:</em></p>
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<p>One thing you sort of have to ignore here, if you want to fully absorb the entertainment aspects of &#8220;Annees Folles,&#8221; is that this elaborate trap for Caleb was totally unnecessary. Taking him and Maeve into the park, knowing they&#8217;d head down to the labs, setting up a robot version of his daughter to trap him&#8230; they could have just knocked them both out on the train &#8212; you know, since the plan was that Hale wanted, and needed, <em>him</em>. It was a very &#8220;three left turns instead of one right turn&#8221; plan but it&#8217;s easy enough to shrug off because &#8220;Annees Folles&#8221; was fun and ferocious in a way that Westworld often struggles to be these days.</p>
<p>As an interactive, immersive amusment park, The Golden Age contained amusing echos of the original Westworld, with the Mariposa Saloon now standing as The Butterfly Club, a new &#8220;Maeve&#8221; in charge, a new &#8220;Hector&#8221; after the safe upstairs, and guests scampering about looking for a hidden game-within-the-game (which turns out to be the Westworld massacre itself on a fake lab level!). Watching Maeve and Caleb witness the chicanery and scoffing appropriately was a good way to keep things light and exciting before delivering on a devilish ending. Plus, between this episode and <a href="https://www.ign.com/articles/stranger-things-season-4-part-2-review">Stranger Things</a>, Metallica is having one heck of a week as the player piano&#8217;s &#8220;Enter Sandman&#8221; morphed into a fully orchestrated version.</p>
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<p>&#8220;Annees Folles&#8221; also made decent use of Caleb&#8217;s wife and little girl, Frankie, elevating them up past their premiere showing of &#8220;family left behind.&#8221; Here, Frankie came face to face with replacement/host danger again and it helped weave, and feed, into the &#8220;gotcha&#8221; aspect of the final scene, since we didn&#8217;t know if Frankie had been killed and &#8220;fly&#8217;d&#8221; (she hadn&#8217;t been, they just built a robot of her, filled with flies, complete with a nightmarish face separation). Because of the series&#8217; constant toying with time, the tension was able to build because we didn&#8217;t know <em>when </em>the attack on Frankie and her mom was happening.</p>
<p>The ending felt grim and ominous, as humans were forced to shoot themselves, Maeve battled William, Caleb succumbed to the flies, and a giant mechanical cone seemed to control it all (a device only Maeve could hear). </p>
<section data-transform="quoteBox">&#8220;Annees Folles&#8221; was fun and ferocious in a way that Westworld often struggles to be these days.</section>
<p>And speaking of timey-wimey follies, we were introduced to the third story arc of the season as Bernard (Jeffrey Wright) and Stubbs (Luke Hemsworth) returned. But <em>when</em> are they? One might assume their adventure is running parallel to Maeve and Caleb, but nothing&#8217;s certain. Bernard&#8217;s come out of his time in the Sublime, years later (which is apparently thousands of years in the Sublime), with a master plan to save the world. Inside the Sublime, aided by Zahn McClarnon&#8217;s Akecheta, Bernard ran the Doctor Strange-Time Stone-Endgame trick &#8212; though as an A.I. in a virtual space &#8212; and glimpsed an unfathomable amount of futures in order to discern the correct path forward.</p>
<p>On this path to victory, apparently, are rebels in the form of a Mad Max-garbed, buggy-driving resistance movement against the robot uprising housed amongst sand dunes, a desert that Bernard claims hides a weapon they&#8217;ll need to fight back. We don&#8217;t know enough about what Bernard&#8217;s plan is or the future he&#8217;s trying to save humanity from but his story, like Maeve and Caleb&#8217;s, moved well and answered smaller questions a few scenes after they were raised (like when it seemed like Bernard just murdered two dudes in a parking lot for no reason). Bernard&#8217;s now part prophet too, using his knowledge of the winning play to effectively bring about the winning play. It makes for a good Bernard cocktail of proactiveness and passivity.</p>
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			<div id="post-9107" class="post-9107 post type-post status-publish format-standard hentry category-games category-video-game tag-games tag-video-games">
			<h2 class="entry-title"><a href="http://www.discountgames.com/the-last-of-us-part-1-remake-developer-says-its-not-a-cash-grab/" title="Permalink to The Last of Us Part 1 Remake Developer Says it&#8217;s Not a &#8216;Cash Grab&#8217;" rel="bookmark">The Last of Us Part 1 Remake Developer Says it&#8217;s Not a &#8216;Cash Grab&#8217;</a></h2>

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				<span class="meta-prep meta-prep-author">Posted on</span> <a href="http://www.discountgames.com/the-last-of-us-part-1-remake-developer-says-its-not-a-cash-grab/" title="7:37 am" rel="bookmark"><span class="entry-date">July 11, 2022</span></a> <span class="meta-sep">by</span> <span class="author vcard"><a class="url fn n" href="http://www.discountgames.com/author/ryan-dinsdale/" title="View all posts by Ryan Dinsdale">Ryan Dinsdale</a></span>			</div><!-- .entry-meta -->

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				<p>An animator who worked on The Last of Us Part 1 remake has pushed back against the idea that it&#8217;s just a &#8220;cash grab&#8221;, and rather that is has had an incredible amount of care and effort behind it. <a href="http://www.discountgames.com/the-last-of-us-part-1-remake-developer-says-its-not-a-cash-grab/">Continue reading <span class="meta-nav">&rarr;</span></a></p>
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