<?php
/**
* CssMin - A (simple) css minifier with benefits
*
* --
* Copyright (c) 2011 Joe Scylla <joe.scylla@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* --
*
* @package CssMin
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
/**
* Abstract definition of a CSS token class.
*
* Every token has to extend this class.
*
* @package CssMin/Tokens
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssToken
{
/**
* Returns the token as string.
*
* @return string
*/
abstract public function __toString();
}
/**
* Abstract definition of a for a ruleset start token.
*
* @package CssMin/Tokens
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssRulesetStartToken extends aCssToken
{
}
/**
* Abstract definition of a for ruleset end token.
*
* @package CssMin/Tokens
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssRulesetEndToken extends aCssToken
{
/**
* Implements {@link aCssToken::__toString()}.
*
* @return string
*/
public function __toString()
{
return "}";
}
}
/**
* Abstract definition of a parser plugin.
*
* Every parser plugin have to extend this class. A parser plugin contains the logic to parse one or aspects of a
* stylesheet.
*
* @package CssMin/Parser/Plugins
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssParserPlugin
{
/**
* Plugin configuration.
*
* @var array
*/
protected $configuration = array();
/**
* The CssParser of the plugin.
*
* @var CssParser
*/
protected $parser = null;
/**
* Plugin buffer.
*
* @var string
*/
protected $buffer = "";
/**
* Constructor.
*
* @param CssParser $parser The CssParser object of this plugin.
* @param array $configuration Plugin configuration [optional]
* @return void
*/
public function __construct(CssParser $parser, array $configuration = null)
{
$this->configuration = $configuration;
$this->parser = $parser;
}
/**
* Returns the array of chars triggering the parser plugin.
*
* @return array
*/
abstract public function getTriggerChars();
/**
* Returns the array of states triggering the parser plugin or FALSE if every state will trigger the parser plugin.
*
* @return array
*/
abstract public function getTriggerStates();
/**
* Parser routine of the plugin.
*
* @param integer $index Current index
* @param string $char Current char
* @param string $previousChar Previous char
* @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing
*/
abstract public function parse($index, $char, $previousChar, $state);
}
/**
* Abstract definition of a minifier plugin class.
*
* Minifier plugin process the parsed tokens one by one to apply changes to the token. Every minifier plugin has to
* extend this class.
*
* @package CssMin/Minifier/Plugins
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssMinifierPlugin
{
/**
* Plugin configuration.
*
* @var array
*/
protected $configuration = array();
/**
* The CssMinifier of the plugin.
*
* @var CssMinifier
*/
protected $minifier = null;
/**
* Constructor.
*
* @param CssMinifier $minifier The CssMinifier object of this plugin.
* @param array $configuration Plugin configuration [optional]
* @return void
*/
public function __construct(CssMinifier $minifier, array $configuration = array())
{
$this->configuration = $configuration;
$this->minifier = $minifier;
}
/**
* Apply the plugin to the token.
*
* @param aCssToken $token Token to process
* @return boolean Return TRUE to break the processing of this token; FALSE to continue
*/
abstract public function apply(aCssToken &$token);
/**
* --
*
* @return array
*/
abstract public function getTriggerTokens();
}
/**
* Abstract definition of a minifier filter class.
*
* Minifier filters allows a pre-processing of the parsed token to add, edit or delete tokens. Every minifier filter
* has to extend this class.
*
* @package CssMin/Minifier/Filters
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssMinifierFilter
{
/**
* Filter configuration.
*
* @var array
*/
protected $configuration = array();
/**
* The CssMinifier of the filter.
*
* @var CssMinifier
*/
protected $minifier = null;
/**
* Constructor.
*
* @param CssMinifier $minifier The CssMinifier object of this plugin.
* @param array $configuration Filter configuration [optional]
* @return void
*/
public function __construct(CssMinifier $minifier, array $configuration = array())
{
$this->configuration = $configuration;
$this->minifier = $minifier;
}
/**
* Filter the tokens.
*
* @param array $tokens Array of objects of type aCssToken
* @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array
*/
abstract public function apply(array &$tokens);
}
/**
* Abstract formatter definition.
*
* Every formatter have to extend this class.
*
* @package CssMin/Formatter
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssFormatter
{
/**
* Indent string.
*
* @var string
*/
protected $indent = " ";
/**
* Declaration padding.
*
* @var integer
*/
protected $padding = 0;
/**
* Tokens.
*
* @var array
*/
protected $tokens = array();
/**
* Constructor.
*
* @param array $tokens Array of CssToken
* @param string $indent Indent string [optional]
* @param integer $padding Declaration value padding [optional]
*/
public function __construct(array $tokens, $indent = null, $padding = null)
{
$this->tokens = $tokens;
$this->indent = !is_null($indent) ? $indent : $this->indent;
$this->padding = !is_null($padding) ? $padding : $this->padding;
}
/**
* Returns the array of aCssToken as formatted string.
*
* @return string
*/
abstract public function __toString();
}
/**
* Abstract definition of a ruleset declaration token.
*
* @package CssMin/Tokens
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssDeclarationToken extends aCssToken
{
/**
* Is the declaration flagged as important?
*
* @var boolean
*/
public $IsImportant = false;
/**
* Is the declaration flagged as last one of the ruleset?
*
* @var boolean
*/
public $IsLast = false;
/**
* Property name of the declaration.
*
* @var string
*/
public $Property = "";
/**
* Value of the declaration.
*
* @var string
*/
public $Value = "";
/**
* Set the properties of the @font-face declaration.
*
* @param string $property Property of the declaration
* @param string $value Value of the declaration
* @param boolean $isImportant Is the !important flag is set?
* @param boolean $IsLast Is the declaration the last one of the block?
* @return void
*/
public function __construct($property, $value, $isImportant = false, $isLast = false)
{
$this->Property = $property;
$this->Value = $value;
$this->IsImportant = $isImportant;
$this->IsLast = $isLast;
}
/**
* Implements {@link aCssToken::__toString()}.
*
* @return string
*/
public function __toString()
{
return $this->Property . ":" . $this->Value . ($this->IsImportant ? " !important" : "") . ($this->IsLast ? "" : ";");
}
}
/**
* Abstract definition of a for at-rule block start token.
*
* @package CssMin/Tokens
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssAtBlockStartToken extends aCssToken
{
}
/**
* Abstract definition of a for at-rule block end token.
*
* @package CssMin/Tokens
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
abstract class aCssAtBlockEndToken extends aCssToken
{
/**
* Implements {@link aCssToken::__toString()}.
*
* @return string
*/
public function __toString()
{
return "}";
}
}
/**
* {@link aCssFromatter Formatter} returning the CSS source in {@link http://goo.gl/etzLs Whitesmiths indent style}.
*
* @package CssMin/Formatter
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
class CssWhitesmithsFormatter extends aCssFormatter
{
/**
* Implements {@link aCssFormatter::__toString()}.
*
* @return string
*/
public function __toString()
{
$r = array();
$level = 0;
for ($i = 0, $l = count($this->tokens); $i < $l; $i++)
{
$token = $this->tokens[$i];
$class = get_class($token);
$indent = str_repeat($this->indent, $level);
if ($class === "CssCommentToken")
{
$lines = array_map("trim", explode("\n", $token->Comment));
for ($ii = 0, $ll = count($lines); $ii < $ll; $ii++)
{
$r[] = $indent . (substr($lines[$ii], 0, 1) == "*" ? " " : "") . $lines[$ii];
}
}
elseif ($class === "CssAtCharsetToken")
{
$r[] = $indent . "@charset " . $token->Charset . ";";
}
elseif ($class === "CssAtFontFaceStartToken")
{
$r[] = $indent . "@font-face";
$r[] = $this->indent . $indent . "{";
$level++;
}
elseif ($class === "CssAtImportToken")
{
$r[] = $indent . "@import " . $token->Import . " " . implode(", ", $token->MediaTypes) . ";";
}
elseif ($class === "CssAtKeyframesStartToken")
{
$r[] = $indent . "@keyframes \"" . $token->Name . "\"";
$r[] = $this->indent . $indent . "{";
$level++;
}
elseif ($class === "CssAtMediaStartToken")
{
$r[] = $indent . "@media " . implode(", ", $token->MediaTypes);
$r[] = $this->indent . $indent . "{";
$level++;
}
elseif ($class === "CssAtPageStartToken")
{
$r[] = $indent . "@page";
$r[] = $this->indent . $indent . "{";
$level++;
}
elseif ($class === "CssAtVariablesStartToken")
{
$r[] = $indent . "@variables " . implode(", ", $token->MediaTypes);
$r[] = $this->indent . $indent . "{";
$level++;
}
elseif ($class === "CssRulesetStartToken" || $class === "CssAtKeyframesRulesetStartToken")
{
$r[] = $indent . implode(", ", $token->Selectors);
$r[] = $this->indent . $indent . "{";
$level++;
}
elseif ($class == "CssAtFontFaceDeclarationToken"
|| $class === "CssAtKeyframesRulesetDeclarationToken"
|| $class === "CssAtPageDeclarationToken"
|| $class == "CssAtVariablesDeclarationToken"
|| $class === "CssRulesetDeclarationToken"
)
{
$declaration = $indent . $token->Property . ": ";
if ($this->padding)
{
$declaration = str_pad($declaration, $this->padding, " ", STR_PAD_RIGHT);
}
$r[] = $declaration . $token->Value . ($token->IsImportant ? " !important" : "") . ";";
}
elseif ($class === "CssAtFontFaceEndToken"
|| $class === "CssAtMediaEndToken"
|| $class === "CssAtKeyframesEndToken"
|| $class === "CssAtKeyframesRulesetEndToken"
|| $class === "CssAtPageEndToken"
|| $class === "CssAtVariablesEndToken"
|| $class === "CssRulesetEndToken"
)
{
$r[] = $indent . "}";
$level--;
}
}
return implode("\n", $r);
}
}
/**
* This {@link aCssMinifierPlugin} will process var-statement and sets the declaration value to the variable value.
*
* This plugin only apply the variable values. The variable values itself will get parsed by the
* {@link CssVariablesMinifierFilter}.
*
* Example:
* <code>
* @variables
* {
* defaultColor: black;
* }
* color: var(defaultColor);
* </code>
*
* Will get converted to:
* <code>
* color:black;
* </code>
*
* @package CssMin/Minifier/Plugins
* @link http://code.google.com/p/cssmin/
* @author Joe Scylla <joe.scylla@gmail.com>
* @copyright 2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version 3.0.0
*/
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
trigger_error(new CssError(__METHOD__ . ": No value found for variable <code>" . $variable . "</code> in media types <code>" . implode(", ", $mediaTypes) . "</code>", (string) $token), E_USER_WARNING);
$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 3.0.0
*/
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")))
{
trigger_error(new CssError(__METHOD__ . ": The plugin <code>CssVariablesMinifierPlugin</code> was not found but is required for <code>" . __CLASS__ . "</code>"), E_USER_WARNING);
}
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 3.0.0
*/
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();
trigger_error(new CssError(__METHOD__ . ": Unterminated string literal", $line . "_"), E_USER_WARNING);
}
// End of string
elseif ($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 3.0.0
*/
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
trigger_error(new CssError(__METHOD__ . ": Unterminated string literal", $line . "_"), E_USER_WARNING);
$this->delimiterChar = null;
}
// End of string
elseif ($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 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 3.0.0
*/
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 3.0.0
*/
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;
}
trigger_error(new CssError(__METHOD__ . ": Unterminated declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING);
}
// End of declaration
elseif (($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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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
{
trigger_error(new CssError(__METHOD__ . ": The plugin <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"), E_USER_WARNING);
}
}
}
if (!is_null($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, $i, 1);
// Filter double whitespace characters
if (($c === " " || $c === "\t" || $c === "\n") && ($p === " " || $p === "\t" || $p === "\n") && $this->stateExclusive === false)
{
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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
{
trigger_error(new CssError(__METHOD__ . ": The filter <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"), E_USER_WARNING);
}
}
}
// Plugins
foreach ($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
{
trigger_error(new CssError(__METHOD__ . ": The plugin <code>" . $name . "</code> with the class name <code>" . $class . "</code> was not found"), E_USER_WARNING);
}
}
}
// --
if (!is_null($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 3.0.0
*/
class CssMin
{
/**
* Index of classes
*
* @var array
*/
private static $classIndex = array();
/**
* @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]);
}
}
/**
* Create a build version of CssMin.
*
* @param string $target Path including file name were the build version should be saved [optional]
* @return string Minifed build version
*/
public static function build($target = "")
{
$files = array();
$source = "";
$comment = "";
// Get all source files
$paths = array(dirname(__FILE__));
while (list($i, $path) = each($paths))
{
foreach (glob($path . "*", GLOB_MARK | GLOB_ONLYDIR | GLOB_NOSORT) as $subDirectory)
{
$paths[] = $subDirectory;
}
foreach (glob($path . "*.php", 0) as $file)
{
$files[basename($file)] = $file;
}
}
krsort($files);
// Read the content of the source files and extract the main comment block
foreach ($files as $file)
{
if (basename($file) == "CssMin.php")
{
$comment = file_get_contents($file);;
preg_match("/\/\*.+\*\//sU", $comment, $m);
$comment = $m[0];
}
$source .= file_get_contents($file);
}
// Remove php delimiters
$source = str_replace(array("", ""), "", $source);
// Add php delimiters and the main comment and save the file
$source = "\n" . $comment . $source . "";
if ($target && file_put_contents($target, $source) === false)
{
return false;
}
return $source;
}
/**
* 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)
{
$minifier = new CssMinifier($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)
{
$parser = new CssParser($source, $plugins);
return $parser->getTokens();
}
}
// 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 3.0.0
*/
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"]))
{
trigger_error(new CssError(__METHOD__ . ": Base path <code>" . ($this->configuration["BasePath"] ? $this->configuration["BasePath"] : "null"). "</code> is not a directory"), E_USER_WARNING);
return 0;
}
for ($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))
{
trigger_error(new CssError(__METHOD__ . ": Import file <code>" . $import. "</code> was not found.", (string) $tokens[$i]), E_USER_WARNING);
}
// Import file already imported; remove this @import at-rule to prevent recursions
elseif (in_array($import, $this->imported))
{
trigger_error(new CssError(__METHOD__ . ": Import file <code>" . $import. "</code> was already imported.", (string) $tokens[$i]), E_USER_WARNING);
$tokens[$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 3.0.0
*/
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 3.0.0
*/
class CssError
{
/**
* Error message.
*
* @var string
*/
public $Message = "";
/**
* Source.
*
* @var string
*/
public $Source = "";
/**
* Constructor triggering the error.
*
* @param string $message Error message
* @param string $source Corresponding line [optional]
* @return void
*/
public function __construct($message, $source = "")
{
$this->Message = $message;
$this->Source = $source;
}
/**
* Returns the error as formatted string.
*
* @return string
*/
public function __toString()
{
return $this->Message . ($this->Source ? ":<p><code>" . $this->Source . "</code></p>": "");
}
}
/**
* 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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
class CssConvertLevel3AtKeyframesMinifierFilter extends aCssMinifierFilter
{
/**
* Implements {@link aCssMinifierFilter::filter()}.
*
* @param array $tokens Array of objects of type aCssToken
* @return integer Count of added, changed or removed tokens; a return value large than 0 will rebuild the array
*/
public function apply(array &$tokens)
{
$r = 0;
$transformations = array("-webkit-keyframes");
for ($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 = $source;
$t[0]->AtRuleName = $transformation;
$add = array_merge($add, $t);
}
if (isset($this->configuration["RemoveSource"]) && $this->configuration["RemoveSource"] === true)
{
array_splice($tokens, $i, $ii - $i, $add);
}
else
{
array_splice($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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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;
}
trigger_error(new CssError(__METHOD__ . ": Unterminated @variables declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING);
}
// End of @variables declaration
elseif (($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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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;
}
trigger_error(new CssError(__METHOD__ . ": Unterminated @page declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING);
}
// End of @page declaration
elseif (($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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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)
{
$this->Name = $name;
}
/**
* 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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
class CssAtKeyframesParserPlugin extends aCssParserPlugin
{
/**
* 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->parser->pushState("T_AT_KEYFRAMES::NAME");
$this->parser->clearBuffer();
return $index + 10;
}
// Start of @keyframes rulesets
elseif ($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));
}
// 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;
}
trigger_error(new CssError(__METHOD__ . ": Unterminated @keyframes ruleset declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING);
}
// End of declaration
elseif (($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 3.0.0
*/
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 3.0.0.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 3.0.0
*/
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
{
trigger_error(new CssError(__METHOD__ . ": Invalid @import at-rule syntax", $this->parser->buffer), E_USER_WARNING);
}
$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 3.0.0
*/
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 3.0.0
*/
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;
}
trigger_error(new CssError(__METHOD__ . ": Unterminated @font-face declaration", $this->buffer . ":" . $this->parser->getBuffer() . "_"), E_USER_WARNING);
}
// End of @font-face declaration
elseif (($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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
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 3.0.0
*/
class CssAtCharsetParserPlugin extends aCssParserPlugin
{
/**
* Implements {@link aCssParserPlugin::getTriggerChars()}.
*
* @return array
*/
public function getTriggerChars()
{
return array("@", ";", "\n");
}
/**
* Implements {@link aCssParserPlugin::getTriggerStates()}.
*
* @return array
*/
public function getTriggerStates()
{
return array("T_DOCUMENT", "T_AT_CHARSET");
}
/**
* Implements {@link aCssParserPlugin::parse()}.
*
* @param integer $index Current index
* @param string $char Current char
* @param string $previousChar Previous char
* @return mixed TRUE will break the processing; FALSE continue with the next plugin; integer set a new index and break the processing
*/
public function parse($index, $char, $previousChar, $state)
{
if ($char === "@" && $state === "T_DOCUMENT" && strtolower(substr($this->parser->getSource(), $index, 8)) === "@charset")
{
$this->parser->pushState("T_AT_CHARSET");
$this->parser->clearBuffer();
return $index + 8;
}
elseif (($char === ";" || $char === "\n") && $state === "T_AT_CHARSET")
{
$charset = $this->parser->getAndClearBuffer(";");
$this->parser->popState();
$this->parser->appendToken(new CssAtCharsetToken($charset));
}
else
{
return false;
}
return true;
}
}
?> |
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