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Diffstat (limited to 'vendors/min/lib/Minify/Source.php')
| -rw-r--r-- | vendors/min/lib/Minify/Source.php | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/vendors/min/lib/Minify/Source.php b/vendors/min/lib/Minify/Source.php new file mode 100644 index 000000000..5a85d10d0 --- /dev/null +++ b/vendors/min/lib/Minify/Source.php @@ -0,0 +1,187 @@ +<?php +/** + * 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'], '//')) { + $spec['filepath'] = $_SERVER['DOCUMENT_ROOT'] . substr($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() + { + $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; +} + |