diff options
Diffstat (limited to 'vendors/min/lib/Minify/CSS/UriRewriter.php')
-rw-r--r-- | vendors/min/lib/Minify/CSS/UriRewriter.php | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/vendors/min/lib/Minify/CSS/UriRewriter.php b/vendors/min/lib/Minify/CSS/UriRewriter.php deleted file mode 100644 index 824c6bb2a..000000000 --- a/vendors/min/lib/Minify/CSS/UriRewriter.php +++ /dev/null @@ -1,270 +0,0 @@ -<?php -/** - * Class Minify_CSS_UriRewriter - * @package Minify - */ - -/** - * Rewrite file-relative URIs as root-relative in CSS files - * - * @package Minify - * @author Stephen Clay <steve@mrclay.org> - */ -class Minify_CSS_UriRewriter { - - /** - * Defines which class to call as part of callbacks, change this - * if you extend Minify_CSS_UriRewriter - * @var string - */ - protected static $className = 'Minify_CSS_UriRewriter'; - - /** - * rewrite() and rewriteRelative() append debugging information here - * @var string - */ - public static $debugText = ''; - - /** - * Rewrite file relative URIs as root relative in CSS files - * - * @param string $css - * - * @param string $currentDir The directory of the current CSS file. - * - * @param string $docRoot The document root of the web site in which - * the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']). - * - * @param array $symlinks (default = array()) If the CSS file is stored in - * a symlink-ed directory, provide an array of link paths to - * target paths, where the link paths are within the document root. Because - * paths need to be normalized for this to work, use "//" to substitute - * the doc root in the link paths (the array keys). E.g.: - * <code> - * array('//symlink' => '/real/target/path') // unix - * array('//static' => 'D:\\staticStorage') // Windows - * </code> - * - * @return string - */ - public static function rewrite($css, $currentDir, $docRoot = null, $symlinks = array()) - { - self::$_docRoot = self::_realpath( - $docRoot ? $docRoot : $_SERVER['DOCUMENT_ROOT'] - ); - self::$_currentDir = self::_realpath($currentDir); - self::$_symlinks = array(); - - // normalize symlinks - foreach ($symlinks as $link => $target) { - $link = ($link === '//') - ? self::$_docRoot - : str_replace('//', self::$_docRoot . '/', $link); - $link = strtr($link, '/', DIRECTORY_SEPARATOR); - self::$_symlinks[$link] = self::_realpath($target); - } - - self::$debugText .= "docRoot : " . self::$_docRoot . "\n" - . "currentDir : " . self::$_currentDir . "\n"; - if (self::$_symlinks) { - self::$debugText .= "symlinks : " . var_export(self::$_symlinks, 1) . "\n"; - } - self::$debugText .= "\n"; - - $css = self::_trimUrls($css); - - // rewrite - $css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/' - ,array(self::$className, '_processUriCB'), $css); - $css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/' - ,array(self::$className, '_processUriCB'), $css); - - return $css; - } - - /** - * Prepend a path to relative URIs in CSS files - * - * @param string $css - * - * @param string $path The path to prepend. - * - * @return string - */ - public static function prepend($css, $path) - { - self::$_prependPath = $path; - - $css = self::_trimUrls($css); - - // append - $css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/' - ,array(self::$className, '_processUriCB'), $css); - $css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/' - ,array(self::$className, '_processUriCB'), $css); - - self::$_prependPath = null; - return $css; - } - - - /** - * @var string directory of this stylesheet - */ - private static $_currentDir = ''; - - /** - * @var string DOC_ROOT - */ - private static $_docRoot = ''; - - /**
- * @var array directory replacements to map symlink targets back to their
- * source (within the document root) E.g. '/var/www/symlink' => '/var/realpath'
- */ - private static $_symlinks = array(); - - /** - * @var string path to prepend - */ - private static $_prependPath = null; - - private static function _trimUrls($css) - { - return preg_replace('/ - url\\( # url( - \\s* - ([^\\)]+?) # 1 = URI (assuming does not contain ")") - \\s* - \\) # ) - /x', 'url($1)', $css); - } - - private static function _processUriCB($m) - { - // $m matched either '/@import\\s+([\'"])(.*?)[\'"]/' or '/url\\(\\s*([^\\)\\s]+)\\s*\\)/' - $isImport = ($m[0][0] === '@'); - // determine URI and the quote character (if any) - if ($isImport) { - $quoteChar = $m[1]; - $uri = $m[2]; - } else { - // $m[1] is either quoted or not - $quoteChar = ($m[1][0] === "'" || $m[1][0] === '"') - ? $m[1][0] - : ''; - $uri = ($quoteChar === '') - ? $m[1] - : substr($m[1], 1, strlen($m[1]) - 2); - } - // analyze URI - if ('/' !== $uri[0] // root-relative - && false === strpos($uri, '//') // protocol (non-data) - && 0 !== strpos($uri, 'data:') // data protocol - ) { - // URI is file-relative: rewrite depending on options - $uri = (self::$_prependPath !== null) - ? (self::$_prependPath . $uri) - : self::rewriteRelative($uri, self::$_currentDir, self::$_docRoot, self::$_symlinks); - } - return $isImport - ? "@import {$quoteChar}{$uri}{$quoteChar}" - : "url({$quoteChar}{$uri}{$quoteChar})"; - } - - /** - * Rewrite a file relative URI as root relative - * - * <code> - * Minify_CSS_UriRewriter::rewriteRelative( - * '../img/hello.gif' - * , '/home/user/www/css' // path of CSS file - * , '/home/user/www' // doc root - * ); - * // returns '/img/hello.gif' - * - * // example where static files are stored in a symlinked directory - * Minify_CSS_UriRewriter::rewriteRelative( - * 'hello.gif' - * , '/var/staticFiles/theme' - * , '/home/user/www' - * , array('/home/user/www/static' => '/var/staticFiles') - * ); - * // returns '/static/theme/hello.gif' - * </code> - * - * @param string $uri file relative URI - * - * @param string $realCurrentDir realpath of the current file's directory. - * - * @param string $realDocRoot realpath of the site document root. - * - * @param array $symlinks (default = array()) If the file is stored in - * a symlink-ed directory, provide an array of link paths to - * real target paths, where the link paths "appear" to be within the document - * root. E.g.: - * <code> - * array('/home/foo/www/not/real/path' => '/real/target/path') // unix - * array('C:\\htdocs\\not\\real' => 'D:\\real\\target\\path') // Windows - * </code> - * - * @return string - */ - public static function rewriteRelative($uri, $realCurrentDir, $realDocRoot, $symlinks = array()) - { - // prepend path with current dir separator (OS-independent) - $path = strtr($realCurrentDir, '/', DIRECTORY_SEPARATOR) - . DIRECTORY_SEPARATOR . strtr($uri, '/', DIRECTORY_SEPARATOR); - - self::$debugText .= "file-relative URI : {$uri}\n" - . "path prepended : {$path}\n"; - - // "unresolve" a symlink back to doc root
- foreach ($symlinks as $link => $target) {
- if (0 === strpos($path, $target)) {
- // replace $target with $link
- $path = $link . substr($path, strlen($target)); - - self::$debugText .= "symlink unresolved : {$path}\n";
- - break;
- }
- } - // strip doc root - $path = substr($path, strlen($realDocRoot)); - - self::$debugText .= "docroot stripped : {$path}\n"; - - // fix to root-relative URI - - $uri = strtr($path, '/\\', '//'); - - // remove /./ and /../ where possible - $uri = str_replace('/./', '/', $uri); - // inspired by patch from Oleg Cherniy - do { - $uri = preg_replace('@/[^/]+/\\.\\./@', '/', $uri, 1, $changed); - } while ($changed); - - self::$debugText .= "traversals removed : {$uri}\n\n"; - - return $uri; - } - - /** - * Get realpath with any trailing slash removed. If realpath() fails, - * just remove the trailing slash. - * - * @param string $path - * - * @return mixed path with no trailing slash - */ - protected static function _realpath($path) - { - $realPath = realpath($path); - if ($realPath !== false) { - $path = $realPath; - } - return rtrim($path, '/\\'); - } -} |