5088 lines
151 KiB
PHP
5088 lines
151 KiB
PHP
<?php
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/**
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* CssMin - A (simple) css minifier with benefits
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*
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* --
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* Copyright (c) 2011 Joe Scylla <joe.scylla@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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* --
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*
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* @package CssMin
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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/**
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* Abstract definition of a CSS token class.
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*
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* Every token has to extend this class.
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*
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* @package CssMin/Tokens
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssToken
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{
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/**
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* Returns the token as string.
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*
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* @return string
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*/
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abstract public function __toString();
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}
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/**
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* Abstract definition of a for a ruleset start token.
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*
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* @package CssMin/Tokens
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssRulesetStartToken extends aCssToken
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{
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}
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/**
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* Abstract definition of a for ruleset end token.
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*
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* @package CssMin/Tokens
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssRulesetEndToken extends aCssToken
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{
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/**
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* Implements {@link aCssToken::__toString()}.
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*
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* @return string
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*/
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public function __toString()
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{
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return "}";
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}
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}
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/**
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* Abstract definition of a parser plugin.
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*
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* Every parser plugin have to extend this class. A parser plugin contains the logic to parse one or aspects of a
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* stylesheet.
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*
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* @package CssMin/Parser/Plugins
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssParserPlugin
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{
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/**
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* Plugin configuration.
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*
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* @var array
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*/
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protected $configuration = array();
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/**
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* The CssParser of the plugin.
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*
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* @var CssParser
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*/
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protected $parser = null;
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/**
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* Plugin buffer.
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*
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* @var string
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*/
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protected $buffer = "";
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/**
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* Constructor.
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*
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* @param CssParser $parser The CssParser object of this plugin.
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* @param array $configuration Plugin configuration [optional]
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* @return void
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*/
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public function __construct(CssParser $parser, array $configuration = null)
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{
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$this->configuration = $configuration;
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$this->parser = $parser;
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}
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/**
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* Returns the array of chars triggering the parser plugin.
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*
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* @return array
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*/
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abstract public function getTriggerChars();
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/**
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* Returns the array of states triggering the parser plugin or FALSE if every state will trigger the parser plugin.
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*
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* @return array
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*/
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abstract public function getTriggerStates();
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/**
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* Parser routine of the plugin.
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*
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* @param integer $index Current index
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* @param string $char Current char
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* @param string $previousChar Previous char
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* @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing
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*/
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abstract public function parse($index, $char, $previousChar, $state);
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}
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/**
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* Abstract definition of a minifier plugin class.
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*
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* Minifier plugin process the parsed tokens one by one to apply changes to the token. Every minifier plugin has to
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* extend this class.
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*
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* @package CssMin/Minifier/Plugins
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssMinifierPlugin
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{
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/**
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* Plugin configuration.
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*
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* @var array
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*/
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protected $configuration = array();
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/**
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* The CssMinifier of the plugin.
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*
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* @var CssMinifier
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*/
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protected $minifier = null;
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/**
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* Constructor.
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*
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* @param CssMinifier $minifier The CssMinifier object of this plugin.
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* @param array $configuration Plugin configuration [optional]
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* @return void
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*/
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public function __construct(CssMinifier $minifier, array $configuration = array())
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{
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$this->configuration = $configuration;
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$this->minifier = $minifier;
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}
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/**
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* Apply the plugin to the token.
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*
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* @param aCssToken $token Token to process
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* @return boolean Return TRUE to break the processing of this token; FALSE to continue
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*/
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abstract public function apply(aCssToken &$token);
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/**
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* --
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*
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* @return array
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*/
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abstract public function getTriggerTokens();
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}
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/**
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* Abstract definition of a minifier filter class.
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*
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* Minifier filters allows a pre-processing of the parsed token to add, edit or delete tokens. Every minifier filter
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* has to extend this class.
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*
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* @package CssMin/Minifier/Filters
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssMinifierFilter
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{
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/**
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* Filter configuration.
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*
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* @var array
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*/
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protected $configuration = array();
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/**
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* The CssMinifier of the filter.
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*
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* @var CssMinifier
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*/
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protected $minifier = null;
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/**
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* Constructor.
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*
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* @param CssMinifier $minifier The CssMinifier object of this plugin.
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* @param array $configuration Filter configuration [optional]
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* @return void
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*/
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public function __construct(CssMinifier $minifier, array $configuration = array())
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{
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$this->configuration = $configuration;
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$this->minifier = $minifier;
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}
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/**
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* Filter the tokens.
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*
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* @param array $tokens Array of objects of type aCssToken
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* @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array
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*/
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abstract public function apply(array &$tokens);
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}
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/**
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* Abstract formatter definition.
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*
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* Every formatter have to extend this class.
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*
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* @package CssMin/Formatter
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssFormatter
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{
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/**
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* Indent string.
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*
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* @var string
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*/
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protected $indent = " ";
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/**
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* Declaration padding.
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*
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* @var integer
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*/
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protected $padding = 0;
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/**
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* Tokens.
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*
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* @var array
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*/
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protected $tokens = array();
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/**
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* Constructor.
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*
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* @param array $tokens Array of CssToken
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* @param string $indent Indent string [optional]
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* @param integer $padding Declaration value padding [optional]
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*/
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public function __construct(array $tokens, $indent = null, $padding = null)
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{
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$this->tokens = $tokens;
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$this->indent = !is_null($indent) ? $indent : $this->indent;
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$this->padding = !is_null($padding) ? $padding : $this->padding;
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}
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/**
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* Returns the array of aCssToken as formatted string.
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*
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* @return string
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*/
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abstract public function __toString();
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}
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/**
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* Abstract definition of a ruleset declaration token.
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*
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* @package CssMin/Tokens
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssDeclarationToken extends aCssToken
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{
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/**
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* Is the declaration flagged as important?
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*
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* @var boolean
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*/
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public $IsImportant = false;
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/**
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* Is the declaration flagged as last one of the ruleset?
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*
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* @var boolean
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*/
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public $IsLast = false;
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/**
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* Property name of the declaration.
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*
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* @var string
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*/
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public $Property = "";
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/**
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* Value of the declaration.
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*
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* @var string
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*/
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public $Value = "";
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/**
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* Set the properties of the @font-face declaration.
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*
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* @param string $property Property of the declaration
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* @param string $value Value of the declaration
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* @param boolean $isImportant Is the !important flag is set?
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* @param boolean $IsLast Is the declaration the last one of the block?
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* @return void
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*/
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public function __construct($property, $value, $isImportant = false, $isLast = false)
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{
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$this->Property = $property;
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$this->Value = $value;
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$this->IsImportant = $isImportant;
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$this->IsLast = $isLast;
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}
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/**
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* Implements {@link aCssToken::__toString()}.
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->Property . ":" . $this->Value . ($this->IsImportant ? " !important" : "") . ($this->IsLast ? "" : ";");
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}
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}
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/**
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* Abstract definition of a for at-rule block start token.
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*
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* @package CssMin/Tokens
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssAtBlockStartToken extends aCssToken
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{
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}
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/**
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* Abstract definition of a for at-rule block end token.
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*
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* @package CssMin/Tokens
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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abstract class aCssAtBlockEndToken extends aCssToken
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{
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/**
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* Implements {@link aCssToken::__toString()}.
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*
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* @return string
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*/
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public function __toString()
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{
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return "}";
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}
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}
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/**
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* {@link aCssFromatter Formatter} returning the CSS source in {@link http://goo.gl/etzLs Whitesmiths indent style}.
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*
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* @package CssMin/Formatter
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* @link http://code.google.com/p/cssmin/
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* @author Joe Scylla <joe.scylla@gmail.com>
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* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
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* @license http://opensource.org/licenses/mit-license.php MIT License
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* @version 3.0.1
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*/
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class CssWhitesmithsFormatter extends aCssFormatter
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{
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/**
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* Implements {@link aCssFormatter::__toString()}.
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*
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* @return string
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*/
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public function __toString()
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{
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$r = array();
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$level = 0;
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for ($i = 0, $l = count($this->tokens); $i < $l; $i++)
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{
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$token = $this->tokens[$i];
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$class = get_class($token);
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$indent = str_repeat($this->indent, $level);
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if ($class === "CssCommentToken")
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{
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$lines = array_map("trim", explode("\n", $token->Comment));
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for ($ii = 0, $ll = count($lines); $ii < $ll; $ii++)
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{
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$r[] = $indent . (substr($lines[$ii], 0, 1) == "*" ? " " : "") . $lines[$ii];
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}
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}
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elseif ($class === "CssAtCharsetToken")
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{
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$r[] = $indent . "@charset " . $token->Charset . ";";
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}
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elseif ($class === "CssAtFontFaceStartToken")
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{
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$r[] = $indent . "@font-face";
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$r[] = $this->indent . $indent . "{";
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$level++;
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}
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elseif ($class === "CssAtImportToken")
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{
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$r[] = $indent . "@import " . $token->Import . " " . implode(", ", $token->MediaTypes) . ";";
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}
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elseif ($class === "CssAtKeyframesStartToken")
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{
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$r[] = $indent . "@keyframes \"" . $token->Name . "\"";
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$r[] = $this->indent . $indent . "{";
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$level++;
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}
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elseif ($class === "CssAtMediaStartToken")
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|
{
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$r[] = $indent . "@media " . implode(", ", $token->MediaTypes);
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$r[] = $this->indent . $indent . "{";
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$level++;
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}
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elseif ($class === "CssAtPageStartToken")
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|
{
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$r[] = $indent . "@page";
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$r[] = $this->indent . $indent . "{";
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$level++;
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}
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|
elseif ($class === "CssAtVariablesStartToken")
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{
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$r[] = $indent . "@variables " . implode(", ", $token->MediaTypes);
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$r[] = $this->indent . $indent . "{";
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$level++;
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}
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|
elseif ($class === "CssRulesetStartToken" || $class === "CssAtKeyframesRulesetStartToken")
|
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{
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$r[] = $indent . implode(", ", $token->Selectors);
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$r[] = $this->indent . $indent . "{";
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$level++;
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}
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|
elseif ($class == "CssAtFontFaceDeclarationToken"
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|| $class === "CssAtKeyframesRulesetDeclarationToken"
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|| $class === "CssAtPageDeclarationToken"
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|| $class == "CssAtVariablesDeclarationToken"
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|| $class === "CssRulesetDeclarationToken"
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)
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{
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$declaration = $indent . $token->Property . ": ";
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if ($this->padding)
|
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{
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$declaration = str_pad($declaration, $this->padding, " ", STR_PAD_RIGHT);
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}
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$r[] = $declaration . $token->Value . ($token->IsImportant ? " !important" : "") . ";";
|
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}
|
|
elseif ($class === "CssAtFontFaceEndToken"
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|
|| $class === "CssAtMediaEndToken"
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|| $class === "CssAtKeyframesEndToken"
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|
|| $class === "CssAtKeyframesRulesetEndToken"
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|
|| $class === "CssAtPageEndToken"
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|| $class === "CssAtVariablesEndToken"
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|
|| $class === "CssRulesetEndToken"
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)
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{
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$r[] = $indent . "}";
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$level--;
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}
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}
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return implode("\n", $r);
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}
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|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
}
|
|
|
|
?>
|