Viewing file:  Minifier.php (10.25 KB) -rw-rw-rw-
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<?php
/**
* Minifiers object
*/
/**
* Class W3_Minifier
*/
class W3_Minifier {
/**
* Config instance
*
* @var W3_Config
*/
var $_config = null;
/**
* Minifiers array
*
* @var array
*/
var $_minifiers = array(
'combinejs' => array('Minify_CombineOnly', 'minify'),
'combinecss' => array('Minify_CombineOnly', 'minify'),
'js' => array('JSMin', 'minify'),
'yuijs' => array('Minify_YUICompressor', 'minifyJs'),
'ccjs' => array('Minify_ClosureCompiler', 'minify'),
'css' => array('Minify_CSS', 'minify'),
'yuicss' => array('Minify_YUICompressor', 'minifyCss'),
'csstidy' => array('Minify_CSSTidy', 'minify'),
'html' => array('Minify_HTML', 'minify'),
'htmlxml' => array('Minify_HTML', 'minify'),
'htmltidy' => array('Minify_HTMLTidy', 'minifyXhtml'),
'htmltidyxml' => array('Minify_HTMLTidy', 'minifyXml')
);
/**
* PHP5-style constructor
*/
function __construct() {
$this->_config = w3_instance('W3_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');
case 'js':
case 'css':
case 'csstidy':
case 'html':
case 'htmlxml':
return true;
}
return false;
}
/**
* 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 ($engine) {
case 'js':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/JSMin.php');
break;
case 'css':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/CSS.php');
break;
case 'yuijs':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/YUICompressor.php');
Minify_YUICompressor::setPathJava($this->_config->get_string('minify.yuijs.path.java'));
Minify_YUICompressor::setPathJar($this->_config->get_string('minify.yuijs.path.jar'));
break;
case 'yuicss':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/YUICompressor.php');
Minify_YUICompressor::setPathJava($this->_config->get_string('minify.yuicss.path.java'));
Minify_YUICompressor::setPathJar($this->_config->get_string('minify.yuicss.path.jar'));
break;
case 'ccjs':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/ClosureCompiler.php');
Minify_ClosureCompiler::setPathJava($this->_config->get_string('minify.ccjs.path.java'));
Minify_ClosureCompiler::setPathJar($this->_config->get_string('minify.ccjs.path.jar'));
break;
case 'csstidy':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/CSSTidy.php');
break;
case 'html':
case 'htmlxml':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/HTML.php');
break;
case 'htmltidy':
case 'htmltidyxml':
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/HTMLTidy.php');
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 = $this->_config->get_array('minify.symlinks');
foreach ($symlinks as $link => $target) {
$link = str_replace('//', realpath($_SERVER['DOCUMENT_ROOT']), $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 '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_;'),
'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_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 = w3_instance('W3_Plugin_BrowserCache');
$options = array_merge($options, array(
'browserCacheId' => $w3_plugin_browsercache->get_replace_id(),
'browserCacheExtensions' => $w3_plugin_browsercache->get_replace_extensions()
));
}
if ($this->_config->get_boolean('cdn.enabled') && $this->_config->get_boolean('cdn.minify.enable')) {
$w3_plugin_cdn = w3_instance('W3_Plugin_CdnCommon');
$cdn = $w3_plugin_cdn->get_cdn();
$options = array_merge($options, array(
'prependAbsolutePathCallback' => array(&$cdn, 'get_prepend_path'),
));
}
return $options;
}
}
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