laipower/wp-content/plugins/w3-total-cache/Minify_ContentMinifier.php

262 lines
8.8 KiB
PHP

<?php
namespace W3TC;
/**
* Minifiers object
*/
/**
* class Minifier
*/
class Minify_ContentMinifier {
/**
* Config instance
*/
var $_config = null;
/**
* Minifiers array
*
* @var array
*/
var $_minifiers = array(
'combinejs' => array( '\W3TCL\Minify\Minify_CombineOnly', 'minify' ),
'combinecss' => array( '\W3TCL\Minify\Minify_CombineOnly', 'minify' ),
'js' => array( '\W3TCL\Minify\JSMin', 'minify' ),
'yuijs' => array( '\W3TCL\Minify\Minify_YUICompressor', 'minifyJs' ),
'ccjs' => array( '\W3TCL\Minify\Minify_ClosureCompiler', 'minify' ),
'jsminplus' => array( '\W3TCL\Minify\JSMinPlus', 'minify' ),
'googleccjs' => array( '\W3TCL\Minify\Minify_JS_ClosureCompiler', 'minify' ),
'css' => array( '\W3TCL\Minify\Minify_CSS', 'minify' ),
'yuicss' => array( '\W3TCL\Minify\Minify_YUICompressor', 'minifyCss' ),
'cssmin' => array( '\W3TCL\YuiCssMin\Minifier', 'minify_static' ),
'csstidy' => array( '\W3TCL\Minify\Minify_CSSTidy', 'minify' ),
'html' => array( '\W3TCL\Minify\Minify_HTML', 'minify' ),
'htmlxml' => array( '\W3TCL\Minify\Minify_HTML', 'minify' ),
'htmltidy' => array( '\W3TCL\Minify\Minify_HTMLTidy', 'minifyXhtml' ),
'htmltidyxml' => array( '\W3TCL\Minify\Minify_HTMLTidy', 'minifyXml' )
);
/**
* PHP5-style constructor
*/
function __construct() {
$this->_config = Dispatcher::config();
}
/**
* Returns true if minifier exists
*
* @param string $engine
* @return boolean
*/
function exists( $engine ) {
return isset( $this->_minifiers[$engine] );
}
/**
* Returns true if minifier available
*
* @param string $engine
* @return boolean
*/
function available( $engine ) {
switch ( $engine ) {
case 'yuijs':
$path_java = $this->_config->get_string( 'minify.yuijs.path.java' );
$path_jar = $this->_config->get_string( 'minify.yuijs.path.jar' );
return file_exists( $path_java ) && file_exists( $path_jar );
case 'yuicss':
$path_java = $this->_config->get_string( 'minify.yuicss.path.java' );
$path_jar = $this->_config->get_string( 'minify.yuicss.path.jar' );
return file_exists( $path_java ) && file_exists( $path_jar );
case 'ccjs':
$path_java = $this->_config->get_string( 'minify.ccjs.path.java' );
$path_jar = $this->_config->get_string( 'minify.ccjs.path.jar' );
return file_exists( $path_java ) && file_exists( $path_jar );
case 'htmltidy':
case 'htmltidyxml':
return class_exists( 'tidy' );
}
return $this->exists( $engine );
}
/**
* Returns minifier
*
* @param string $engine
* @return array
*/
function get_minifier( $engine ) {
if ( isset( $this->_minifiers[$engine] ) ) {
return $this->_minifiers[$engine];
}
return null;
}
/**
* Initializes minifier
*
* @param string $engine
* @return void
*/
function init( $engine ) {
switch ( $engine ) {
case 'yuijs':
\W3TCL\Minify\Minify_YUICompressor::$tempDir = Util_File::create_tmp_dir();
\W3TCL\Minify\Minify_YUICompressor::$javaExecutable = $this->_config->get_string( 'minify.yuijs.path.java' );
\W3TCL\Minify\Minify_YUICompressor::$jarFile = $this->_config->get_string( 'minify.yuijs.path.jar' );
break;
case 'yuicss':
\W3TCL\Minify\Minify_YUICompressor::$tempDir = Util_File::create_tmp_dir();
\W3TCL\Minify\Minify_YUICompressor::$javaExecutable = $this->_config->get_string( 'minify.yuicss.path.java' );
\W3TCL\Minify\Minify_YUICompressor::$jarFile = $this->_config->get_string( 'minify.yuicss.path.jar' );
break;
case 'ccjs':
\W3TCL\Minify\Minify_ClosureCompiler::$tempDir = Util_File::create_tmp_dir();
\W3TCL\Minify\Minify_ClosureCompiler::$javaExecutable = $this->_config->get_string( 'minify.ccjs.path.java' );
\W3TCL\Minify\Minify_ClosureCompiler::$jarFile = $this->_config->get_string( 'minify.ccjs.path.jar' );
break;
}
}
/**
* Returns minifier options
*
* @param string $engine
* @return array
*/
function get_options( $engine ) {
$options = array();
switch ( $engine ) {
case 'js':
$options = array(
'preserveComments' => !$this->_config->get_boolean( 'minify.js.strip.comments' ),
'stripCrlf' => $this->_config->get_boolean( 'minify.js.strip.crlf' )
);
break;
case 'css':
$options = array(
'preserveComments' => !$this->_config->get_boolean( 'minify.css.strip.comments' ),
'stripCrlf' => $this->_config->get_boolean( 'minify.css.strip.crlf' )
);
$symlinks = $this->_config->get_array( 'minify.symlinks' );
$docroot = Util_Environment::document_root();
foreach ( $symlinks as $link => $target ) {
$link = str_replace( '//', realpath( $docroot ), $link );
$link = strtr( $link, '/', DIRECTORY_SEPARATOR );
$options['symlinks'][$link] = realpath( $target );
}
break;
case 'yuijs':
$options = array(
'line-break' => $this->_config->get_integer( 'minify.yuijs.options.line-break' ),
'nomunge' => $this->_config->get_boolean( 'minify.yuijs.options.nomunge' ),
'preserve-semi' => $this->_config->get_boolean( 'minify.yuijs.options.preserve-semi' ),
'disable-optimizations' => $this->_config->get_boolean( 'minify.yuijs.options.disable-optimizations' )
);
break;
case 'yuicss':
$options = array(
'line-break' => $this->_config->get_integer( 'minify.yuicss.options.line-break' )
);
break;
case 'ccjs':
$options = array(
'compilation_level' => $this->_config->get_string( 'minify.ccjs.options.compilation_level' ),
'formatting' => $this->_config->get_string( 'minify.ccjs.options.formatting' )
);
break;
case 'googleccjs':
$options = array(
'compilation_level' => $this->_config->get_string( 'minify.ccjs.options.compilation_level' ),
'formatting' => $this->_config->get_string( 'minify.ccjs.options.formatting' )
);
break;
case 'csstidy':
$options = array(
'remove_bslash' => $this->_config->get_boolean( 'minify.csstidy.options.remove_bslash' ),
'compress_colors' => $this->_config->get_boolean( 'minify.csstidy.options.compress_colors' ),
'compress_font-weight' => $this->_config->get_boolean( 'minify.csstidy.options.compress_font-weight' ),
'lowercase_s' => $this->_config->get_boolean( 'minify.csstidy.options.lowercase_s' ),
'optimise_shorthands' => $this->_config->get_integer( 'minify.csstidy.options.optimise_shorthands' ),
'remove_last_;' => $this->_config->get_boolean( 'minify.csstidy.options.remove_last_;' ),
'space_before_important' => !$this->_config->get_boolean( 'minify.csstidy.options.remove_space_before_important' ),
'case_properties' => $this->_config->get_integer( 'minify.csstidy.options.case_properties' ),
'sort_properties' => $this->_config->get_boolean( 'minify.csstidy.options.sort_properties' ),
'sort_selectors' => $this->_config->get_boolean( 'minify.csstidy.options.sort_selectors' ),
'merge_selectors' => $this->_config->get_integer( 'minify.csstidy.options.merge_selectors' ),
'discard_invalid_selectors' => $this->_config->get_boolean( 'minify.csstidy.options.discard_invalid_selectors' ),
'discard_invalid_properties' => $this->_config->get_boolean( 'minify.csstidy.options.discard_invalid_properties' ),
'css_level' => $this->_config->get_string( 'minify.csstidy.options.css_level' ),
'preserve_css' => $this->_config->get_boolean( 'minify.csstidy.options.preserve_css' ),
'timestamp' => $this->_config->get_boolean( 'minify.csstidy.options.timestamp' ),
'template' => $this->_config->get_string( 'minify.csstidy.options.template' )
);
break;
case 'html':
case 'htmlxml':
$options = array(
'xhtml' => true,
'stripCrlf' => $this->_config->get_boolean( 'minify.html.strip.crlf' ),
'ignoredComments' => $this->_config->get_array( 'minify.html.comments.ignore' )
);
break;
case 'htmltidy':
case 'htmltidyxml':
$options = array(
'clean' => $this->_config->get_boolean( 'minify.htmltidy.options.clean' ),
'hide-comments' => $this->_config->get_boolean( 'minify.htmltidy.options.hide-comments' ),
'wrap' => $this->_config->get_integer( 'minify.htmltidy.options.wrap' )
);
break;
}
if ( $this->_config->get_boolean( 'browsercache.enabled' ) && ( $this->_config->get_boolean( 'browsercache.cssjs.replace' ) || $this->_config->get_boolean( 'browsercache.html.replace' ) || $this->_config->get_boolean( 'browsercache.other.replace' ) ) ) {
$w3_plugin_browsercache = Dispatcher::component( 'BrowserCache_Plugin' );
$browsercache_core = Dispatcher::component( 'BrowserCache_Core' );
$options = array_merge( $options, array(
'browserCacheId' => $w3_plugin_browsercache->get_filename_uniqualizator(),
'browserCacheExtensions' => $browsercache_core->get_replace_extensions( $this->_config )
) );
}
if ( $this->_config->get_boolean( 'cdn.enabled' ) ) {
$common = Dispatcher::component( 'Cdn_Core' );
$cdn = $common->get_cdn();
$options = array_merge( $options, array(
'prependAbsolutePathCallback' => array( &$cdn, 'get_prepend_path' ),
) );
}
return $options;
}
}