diff options
Diffstat (limited to 'vendors/min/lib/Minify/ImportProcessor.php')
| -rw-r--r-- | vendors/min/lib/Minify/ImportProcessor.php | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/vendors/min/lib/Minify/ImportProcessor.php b/vendors/min/lib/Minify/ImportProcessor.php deleted file mode 100644 index 0d6d90a81..000000000 --- a/vendors/min/lib/Minify/ImportProcessor.php +++ /dev/null @@ -1,157 +0,0 @@ -<?php -/** - * Class Minify_ImportProcessor - * @package Minify - */ - -/** - * Linearize a CSS/JS file by including content specified by CSS import - * declarations. In CSS files, relative URIs are fixed. - * - * @imports will be processed regardless of where they appear in the source - * files; i.e. @imports commented out or in string content will still be - * processed! - * - * This has a unit test but should be considered "experimental". - * - * @package Minify - * @author Stephen Clay <steve@mrclay.org> - */ -class Minify_ImportProcessor { - - public static $filesIncluded = array(); - - public static function process($file) - { - self::$filesIncluded = array(); - self::$_isCss = (strtolower(substr($file, -4)) === '.css'); - $obj = new Minify_ImportProcessor(dirname($file)); - return $obj->_getContent($file); - } - - // allows callback funcs to know the current directory - private $_currentDir = null; - - // allows _importCB to write the fetched content back to the obj - private $_importedContent = ''; - - private static $_isCss = null; - - private function __construct($currentDir) - { - $this->_currentDir = $currentDir; - } - - private function _getContent($file) - { - $file = realpath($file); - if (! $file - || in_array($file, self::$filesIncluded) - || false === ($content = @file_get_contents($file)) - ) { - // file missing, already included, or failed read - return ''; - } - self::$filesIncluded[] = realpath($file); - $this->_currentDir = dirname($file); - - // remove UTF-8 BOM if present - if (pack("CCC",0xef,0xbb,0xbf) === substr($content, 0, 3)) { - $content = substr($content, 3); - } - // ensure uniform EOLs - $content = str_replace("\r\n", "\n", $content); - - // process @imports - $content = preg_replace_callback( - '/ - @import\\s+ - (?:url\\(\\s*)? # maybe url( - [\'"]? # maybe quote - (.*?) # 1 = URI - [\'"]? # maybe end quote - (?:\\s*\\))? # maybe ) - ([a-zA-Z,\\s]*)? # 2 = media list - ; # end token - /x' - ,array($this, '_importCB') - ,$content - ); - - if (self::$_isCss) { - // rewrite remaining relative URIs - $content = preg_replace_callback( - '/url\\(\\s*([^\\)\\s]+)\\s*\\)/' - ,array($this, '_urlCB') - ,$content - ); - } - - return $this->_importedContent . $content; - } - - private function _importCB($m) - { - $url = $m[1]; - $mediaList = preg_replace('/\\s+/', '', $m[2]); - - if (strpos($url, '://') > 0) { - // protocol, leave in place for CSS, comment for JS - return self::$_isCss - ? $m[0] - : "/* Minify_ImportProcessor will not include remote content */"; - } - if ('/' === $url[0]) { - // protocol-relative or root path - $url = ltrim($url, '/'); - $file = realpath($_SERVER['DOCUMENT_ROOT']) . DIRECTORY_SEPARATOR - . strtr($url, '/', DIRECTORY_SEPARATOR); - } else { - // relative to current path - $file = $this->_currentDir . DIRECTORY_SEPARATOR - . strtr($url, '/', DIRECTORY_SEPARATOR); - } - $obj = new Minify_ImportProcessor(dirname($file)); - $content = $obj->_getContent($file); - if ('' === $content) { - // failed. leave in place for CSS, comment for JS - return self::$_isCss - ? $m[0] - : "/* Minify_ImportProcessor could not fetch '{$file}' */";; - } - return (!self::$_isCss || preg_match('@(?:^$|\\ball\\b)@', $mediaList)) - ? $content - : "@media {$mediaList} {\n{$content}\n}\n"; - } - - private function _urlCB($m) - { - // $m[1] is either quoted or not - $quote = ($m[1][0] === "'" || $m[1][0] === '"') - ? $m[1][0] - : ''; - $url = ($quote === '') - ? $m[1] - : substr($m[1], 1, strlen($m[1]) - 2); - if ('/' !== $url[0]) { - if (strpos($url, '//') > 0) { - // probably starts with protocol, do not alter - } else { - // prepend path with current dir separator (OS-independent) - $path = $this->_currentDir - . DIRECTORY_SEPARATOR . strtr($url, '/', DIRECTORY_SEPARATOR); - // strip doc root - $path = substr($path, strlen(realpath($_SERVER['DOCUMENT_ROOT']))); - // fix to absolute URL - $url = strtr($path, '/\\', '//'); - // remove /./ and /../ where possible - $url = str_replace('/./', '/', $url); - // inspired by patch from Oleg Cherniy - do { - $url = preg_replace('@/[^/]+/\\.\\./@', '/', $url, 1, $changed); - } while ($changed); - } - } - return "url({$quote}{$url}{$quote})"; - } -} |