AlkantarClanX12
Current Path : /home/thanudqk/128shen.com/wp-content/plugins/w3-total-cache/lib/Minify/Minify/ |
Current File : /home/thanudqk/128shen.com/wp-content/plugins/w3-total-cache/lib/Minify/Minify/Source.php |
<?php /** * File: Source.php * * NOTE: Fixes have been included in this file; look for "W3TC FIX". */ namespace W3TCL\Minify; /** * Class Minify_Source * @package Minify */ /** * A content source to be minified by Minify. * * This allows per-source minification options and the mixing of files with * content from other sources. * * @package Minify * @author Stephen Clay <steve@mrclay.org> */ class Minify_Source { /** * @var int time of last modification */ public $lastModified = null; /** * @var callback minifier function specifically for this source. */ public $minifier = null; /** * @var array minification options specific to this source. */ public $minifyOptions = null; /** * @var string full path of file */ public $filepath = null; /** * @var string HTTP Content Type (Minify requires one of the constants Minify::TYPE_*) */ public $contentType = null; /** * Create a Minify_Source * * In the $spec array(), you can either provide a 'filepath' to an existing * file (existence will not be checked!) or give 'id' (unique string for * the content), 'content' (the string content) and 'lastModified' * (unixtime of last update). * * As a shortcut, the controller will replace "//" at the beginning * of a filepath with $_SERVER['DOCUMENT_ROOT'] . '/'. * * @param array $spec options */ public function __construct($spec) { if (isset($spec['filepath'])) { if (0 === strpos($spec['filepath'], '//')) { // W3TC FIX: Override $_SERVER['DOCUMENT_ROOT'] if enabled in settings. $docroot = \W3TC\Util_Environment::document_root(); $spec['filepath'] = $docroot . substr($spec['filepath'], 1); } $segments = explode('.', $spec['filepath']); $ext = strtolower(array_pop($segments)); switch ($ext) { case 'js' : $this->contentType = 'application/x-javascript'; break; case 'css' : $this->contentType = 'text/css'; break; case 'htm' : // fallthrough case 'html' : $this->contentType = 'text/html'; break; } $this->filepath = $spec['filepath']; $this->_id = $spec['filepath']; $this->lastModified = filemtime($spec['filepath']) // offset for Windows uploaders with out of sync clocks + round(Minify::$uploaderHoursBehind * 3600); } elseif (isset($spec['id'])) { $this->_id = 'id::' . $spec['id']; if (isset($spec['content'])) { $this->_content = $spec['content']; } else { $this->_getContentFunc = $spec['getContentFunc']; } $this->lastModified = isset($spec['lastModified']) ? $spec['lastModified'] : time(); } if (isset($spec['contentType'])) { $this->contentType = $spec['contentType']; } if (isset($spec['minifier'])) { $this->minifier = $spec['minifier']; } if (isset($spec['minifyOptions'])) { $this->minifyOptions = $spec['minifyOptions']; } } /** * Get content * * @return string */ public function getContent() { if (isset($this->minifyOptions['processCssImports']) && $this->minifyOptions['processCssImports']) { $content = Minify_ImportProcessor::process($this->filepath); } else { $content = (null !== $this->filepath) ? file_get_contents($this->filepath) : ((null !== $this->_content) ? $this->_content : call_user_func($this->_getContentFunc, $this->_id) ); } // remove UTF-8 BOM if present return (pack("CCC",0xef,0xbb,0xbf) === substr($content, 0, 3)) ? substr($content, 3) : $content; } /** * Get id * * @return string */ public function getId() { return $this->_id; } /** * Verifies a single minification call can handle all sources * * @param array $sources Minify_Source instances * * @return bool true iff there no sources with specific minifier preferences. */ public static function haveNoMinifyPrefs($sources) { foreach ($sources as $source) { if (null !== $source->minifier || null !== $source->minifyOptions) { return false; } } return true; } /** * Get unique string for a set of sources * * @param array $sources Minify_Source instances * * @return string */ public static function getDigest($sources) { foreach ($sources as $source) { $info[] = array( $source->_id, $source->minifier, $source->minifyOptions ); } return md5(serialize($info)); } /** * Get content type from a group of sources * * This is called if the user doesn't pass in a 'contentType' options * * @param array $sources Minify_Source instances * * @return string content type. e.g. 'text/css' */ public static function getContentType($sources) { foreach ($sources as $source) { if ($source->contentType !== null) { return $source->contentType; } } return 'text/plain'; } protected $_content = null; protected $_getContentFunc = null; protected $_id = null; }