diff options
Diffstat (limited to 'vendors/min/lib/Minify/CSS')
-rw-r--r-- | vendors/min/lib/Minify/CSS/Compressor.php | 250 | ||||
-rw-r--r-- | vendors/min/lib/Minify/CSS/UriRewriter.php | 270 |
2 files changed, 0 insertions, 520 deletions
diff --git a/vendors/min/lib/Minify/CSS/Compressor.php b/vendors/min/lib/Minify/CSS/Compressor.php deleted file mode 100644 index a34828681..000000000 --- a/vendors/min/lib/Minify/CSS/Compressor.php +++ /dev/null @@ -1,250 +0,0 @@ -<?php
-/**
- * Class Minify_CSS_Compressor
- * @package Minify
- */
-
-/**
- * Compress CSS
- *
- * This is a heavy regex-based removal of whitespace, unnecessary
- * comments and tokens, and some CSS value minimization, where practical.
- * Many steps have been taken to avoid breaking comment-based hacks,
- * including the ie5/mac filter (and its inversion), but expect tricky
- * hacks involving comment tokens in 'content' value strings to break
- * minimization badly. A test suite is available.
- *
- * @package Minify
- * @author Stephen Clay <steve@mrclay.org>
- * @author http://code.google.com/u/1stvamp/ (Issue 64 patch)
- */
-class Minify_CSS_Compressor {
-
- /**
- * Minify a CSS string
- *
- * @param string $css
- *
- * @param array $options (currently ignored)
- *
- * @return string
- */
- public static function process($css, $options = array())
- {
- $obj = new Minify_CSS_Compressor($options);
- return $obj->_process($css);
- }
-
- /**
- * @var array options
- */
- protected $_options = null;
-
- /**
- * @var bool Are we "in" a hack?
- *
- * I.e. are some browsers targetted until the next comment?
- */
- protected $_inHack = false;
-
-
- /**
- * Constructor
- *
- * @param array $options (currently ignored)
- *
- * @return null
- */
- private function __construct($options) {
- $this->_options = $options;
- }
-
- /**
- * Minify a CSS string
- *
- * @param string $css
- *
- * @return string
- */
- protected function _process($css)
- {
- $css = str_replace("\r\n", "\n", $css);
-
- // preserve empty comment after '>'
- // http://www.webdevout.net/css-hacks#in_css-selectors
- $css = preg_replace('@>/\\*\\s*\\*/@', '>/*keep*/', $css);
-
- // preserve empty comment between property and value
- // http://css-discuss.incutio.com/?page=BoxModelHack
- $css = preg_replace('@/\\*\\s*\\*/\\s*:@', '/*keep*/:', $css);
- $css = preg_replace('@:\\s*/\\*\\s*\\*/@', ':/*keep*/', $css);
-
- // apply callback to all valid comments (and strip out surrounding ws
- $css = preg_replace_callback('@\\s*/\\*([\\s\\S]*?)\\*/\\s*@'
- ,array($this, '_commentCB'), $css);
-
- // remove ws around { } and last semicolon in declaration block
- $css = preg_replace('/\\s*{\\s*/', '{', $css);
- $css = preg_replace('/;?\\s*}\\s*/', '}', $css);
-
- // remove ws surrounding semicolons
- $css = preg_replace('/\\s*;\\s*/', ';', $css);
-
- // remove ws around urls
- $css = preg_replace('/
- url\\( # url(
- \\s*
- ([^\\)]+?) # 1 = the URL (really just a bunch of non right parenthesis)
- \\s*
- \\) # )
- /x', 'url($1)', $css);
-
- // remove ws between rules and colons
- $css = preg_replace('/
- \\s*
- ([{;]) # 1 = beginning of block or rule separator
- \\s*
- ([\\*_]?[\\w\\-]+) # 2 = property (and maybe IE filter)
- \\s*
- :
- \\s*
- (\\b|[#\'"]) # 3 = first character of a value
- /x', '$1$2:$3', $css);
-
- // remove ws in selectors
- $css = preg_replace_callback('/
- (?: # non-capture
- \\s*
- [^~>+,\\s]+ # selector part
- \\s*
- [,>+~] # combinators
- )+
- \\s*
- [^~>+,\\s]+ # selector part
- { # open declaration block
- /x'
- ,array($this, '_selectorsCB'), $css);
-
- // minimize hex colors
- $css = preg_replace('/([^=])#([a-f\\d])\\2([a-f\\d])\\3([a-f\\d])\\4([\\s;\\}])/i'
- , '$1#$2$3$4$5', $css);
-
- // remove spaces between font families
- $css = preg_replace_callback('/font-family:([^;}]+)([;}])/'
- ,array($this, '_fontFamilyCB'), $css);
-
- $css = preg_replace('/@import\\s+url/', '@import url', $css);
-
- // replace any ws involving newlines with a single newline
- $css = preg_replace('/[ \\t]*\\n+\\s*/', "\n", $css);
-
- // separate common descendent selectors w/ newlines (to limit line lengths)
- $css = preg_replace('/([\\w#\\.\\*]+)\\s+([\\w#\\.\\*]+){/', "$1\n$2{", $css);
-
- // Use newline after 1st numeric value (to limit line lengths).
- $css = preg_replace('/
- ((?:padding|margin|border|outline):\\d+(?:px|em)?) # 1 = prop : 1st numeric value
- \\s+
- /x'
- ,"$1\n", $css);
-
- // prevent triggering IE6 bug: http://www.crankygeek.com/ie6pebug/
- $css = preg_replace('/:first-l(etter|ine)\\{/', ':first-l$1 {', $css);
-
- return trim($css);
- }
-
- /**
- * Replace what looks like a set of selectors
- *
- * @param array $m regex matches
- *
- * @return string
- */
- protected function _selectorsCB($m)
- {
- // remove ws around the combinators
- return preg_replace('/\\s*([,>+~])\\s*/', '$1', $m[0]);
- }
-
- /**
- * Process a comment and return a replacement
- *
- * @param array $m regex matches
- *
- * @return string
- */
- protected function _commentCB($m)
- {
- $hasSurroundingWs = (trim($m[0]) !== $m[1]);
- $m = $m[1];
- // $m is the comment content w/o the surrounding tokens,
- // but the return value will replace the entire comment.
- if ($m === 'keep') {
- return '/**/';
- }
- if ($m === '" "') {
- // component of http://tantek.com/CSS/Examples/midpass.html
- return '/*" "*/';
- }
- if (preg_match('@";\\}\\s*\\}/\\*\\s+@', $m)) {
- // component of http://tantek.com/CSS/Examples/midpass.html
- return '/*";}}/* */';
- }
- if ($this->_inHack) {
- // inversion: feeding only to one browser
- if (preg_match('@
- ^/ # comment started like /*/
- \\s*
- (\\S[\\s\\S]+?) # has at least some non-ws content
- \\s*
- /\\* # ends like /*/ or /**/
- @x', $m, $n)) {
- // end hack mode after this comment, but preserve the hack and comment content
- $this->_inHack = false;
- return "/*/{$n[1]}/**/";
- }
- }
- if (substr($m, -1) === '\\') { // comment ends like \*/
- // begin hack mode and preserve hack
- $this->_inHack = true;
- return '/*\\*/';
- }
- if ($m !== '' && $m[0] === '/') { // comment looks like /*/ foo */
- // begin hack mode and preserve hack
- $this->_inHack = true;
- return '/*/*/';
- }
- if ($this->_inHack) {
- // a regular comment ends hack mode but should be preserved
- $this->_inHack = false;
- return '/**/';
- }
- // Issue 107: if there's any surrounding whitespace, it may be important, so
- // replace the comment with a single space
- return $hasSurroundingWs // remove all other comments
- ? ' '
- : '';
- }
-
- /**
- * Process a font-family listing and return a replacement
- *
- * @param array $m regex matches
- *
- * @return string
- */
- protected function _fontFamilyCB($m)
- {
- $m[1] = preg_replace('/
- \\s*
- (
- "[^"]+" # 1 = family in double qutoes
- |\'[^\']+\' # or 1 = family in single quotes
- |[\\w\\-]+ # or 1 = unquoted family
- )
- \\s*
- /x', '$1', $m[1]);
- return 'font-family:' . $m[1] . $m[2];
- }
-}
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, '/\\'); - } -} |