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| author | Silvio Rhatto <rhatto@riseup.net> | 2014-03-15 15:11:12 -0300 |
|---|---|---|
| committer | Silvio Rhatto <rhatto@riseup.net> | 2014-03-15 15:11:12 -0300 |
| commit | d42607998482e36865c1d8a443f92a457f6b2f3b (patch) | |
| tree | 9840be82dbf1b58da42d0a66f20b23ea0b01cf55 /vendors/min/lib/Minify | |
| download | elgg-d42607998482e36865c1d8a443f92a457f6b2f3b.tar.gz elgg-d42607998482e36865c1d8a443f92a457f6b2f3b.tar.bz2 | |
Squashed 'mod/minify/' content from commit 5949018
git-subtree-dir: mod/minify
git-subtree-split: 594901859d5afc1fa364322428bd7a6d5c6a3f96
Diffstat (limited to 'vendors/min/lib/Minify')
20 files changed, 2752 insertions, 0 deletions
diff --git a/vendors/min/lib/Minify/Build.php b/vendors/min/lib/Minify/Build.php new file mode 100644 index 000000000..e625165e5 --- /dev/null +++ b/vendors/min/lib/Minify/Build.php @@ -0,0 +1,103 @@ +<?php +/** + * Class Minify_Build + * @package Minify + */ + +require_once 'Minify/Source.php'; + +/** + * Maintain a single last modification time for a group of Minify sources to + * allow use of far off Expires headers in Minify. + * + * <code> + * // in config file + * $groupSources = array( + * 'js' => array('file1.js', 'file2.js') + * ,'css' => array('file1.css', 'file2.css', 'file3.css') + * ) + * + * // during HTML generation + * $jsBuild = new Minify_Build($groupSources['js']); + * $cssBuild = new Minify_Build($groupSources['css']); + * + * $script = "<script type='text/javascript' src='" + * . $jsBuild->uri('/min.php/js') . "'></script>"; + * $link = "<link rel='stylesheet' type='text/css' href='" + * . $cssBuild->uri('/min.php/css') . "'>"; + * + * // in min.php + * Minify::serve('Groups', array( + * 'groups' => $groupSources + * ,'setExpires' => (time() + 86400 * 365) + * )); + * </code> + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Build { + + /** + * Last modification time of all files in the build + * + * @var int + */ + public $lastModified = 0; + + /** + * String to use as ampersand in uri(). Set this to '&' if + * you are not HTML-escaping URIs. + * + * @var string + */ + public static $ampersand = '&'; + + /** + * Get a time-stamped URI + * + * <code> + * echo $b->uri('/site.js'); + * // outputs "/site.js?1678242" + * + * echo $b->uri('/scriptaculous.js?load=effects'); + * // outputs "/scriptaculous.js?load=effects&1678242" + * </code> + * + * @param string $uri + * @param boolean $forceAmpersand (default = false) Force the use of ampersand to + * append the timestamp to the URI. + * @return string + */ + public function uri($uri, $forceAmpersand = false) { + $sep = ($forceAmpersand || strpos($uri, '?') !== false) + ? self::$ampersand + : '?'; + return "{$uri}{$sep}{$this->lastModified}"; + } + + /** + * Create a build object + * + * @param array $sources array of Minify_Source objects and/or file paths + * + * @return null + */ + public function __construct($sources) + { + $max = 0; + foreach ((array)$sources as $source) { + if ($source instanceof Minify_Source) { + $max = max($max, $source->lastModified); + } elseif (is_string($source)) { + if (0 === strpos($source, '//')) { + $source = $_SERVER['DOCUMENT_ROOT'] . substr($source, 1); + } + if (is_file($source)) { + $max = max($max, filemtime($source)); + } + } + } + $this->lastModified = $max; + } +} diff --git a/vendors/min/lib/Minify/CSS/Compressor.php b/vendors/min/lib/Minify/CSS/Compressor.php new file mode 100644 index 000000000..a34828681 --- /dev/null +++ b/vendors/min/lib/Minify/CSS/Compressor.php @@ -0,0 +1,250 @@ +<?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 new file mode 100644 index 000000000..824c6bb2a --- /dev/null +++ b/vendors/min/lib/Minify/CSS/UriRewriter.php @@ -0,0 +1,270 @@ +<?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, '/\\'); + } +} diff --git a/vendors/min/lib/Minify/Cache/APC.php b/vendors/min/lib/Minify/Cache/APC.php new file mode 100644 index 000000000..ca84d2998 --- /dev/null +++ b/vendors/min/lib/Minify/Cache/APC.php @@ -0,0 +1,130 @@ +<?php +/** + * Class Minify_Cache_APC + * @package Minify + */ + +/** + * APC-based cache class for Minify + * + * <code> + * Minify::setCache(new Minify_Cache_APC()); + * </code> + * + * @package Minify + * @author Chris Edwards + **/ +class Minify_Cache_APC { + + /** + * Create a Minify_Cache_APC object, to be passed to + * Minify::setCache(). + * + * + * @param int $expire seconds until expiration (default = 0 + * meaning the item will not get an expiration date) + * + * @return null + */ + public function __construct($expire = 0) + { + $this->_exp = $expire; + } + + /** + * Write data to cache. + * + * @param string $id cache id + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + return apc_store($id, "{$_SERVER['REQUEST_TIME']}|{$data}", $this->_exp); + } + + /** + * Get the size of a cache entry + * + * @param string $id cache id + * + * @return int size in bytes + */ + public function getSize($id) + { + return $this->_fetch($id) + ? strlen($this->_data) + : false; + } + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + return ($this->_fetch($id) && ($this->_lm >= $srcMtime)); + } + + /** + * Send the cached content to output + * + * @param string $id cache id + */ + public function display($id) + { + echo $this->_fetch($id) + ? $this->_data + : ''; + } + + /** + * Fetch the cached content + * + * @param string $id cache id + * + * @return string + */ + public function fetch($id) + { + return $this->_fetch($id) + ? $this->_data + : ''; + } + + private $_exp = null; + + // cache of most recently fetched id + private $_lm = null; + private $_data = null; + private $_id = null; + + /** + * Fetch data and timestamp from apc, store in instance + * + * @param string $id + * + * @return bool success + */ + private function _fetch($id) + { + if ($this->_id === $id) { + return true; + } + $ret = apc_fetch($id); + if (false === $ret) { + $this->_id = null; + return false; + } + list($this->_lm, $this->_data) = explode('|', $ret, 2); + $this->_id = $id; + return true; + } +} diff --git a/vendors/min/lib/Minify/Cache/File.php b/vendors/min/lib/Minify/Cache/File.php new file mode 100644 index 000000000..8744a7e04 --- /dev/null +++ b/vendors/min/lib/Minify/Cache/File.php @@ -0,0 +1,125 @@ +<?php +/** + * Class Minify_Cache_File + * @package Minify + */ + +class Minify_Cache_File { + + public function __construct($path = '', $fileLocking = false) + { + if (! $path) { + require_once 'Solar/Dir.php'; + $path = rtrim(Solar_Dir::tmp(), DIRECTORY_SEPARATOR); + }
+ $this->_locking = $fileLocking; + $this->_path = $path; + } + + /** + * Write data to cache. + * + * @param string $id cache id (e.g. a filename) + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + $flag = $this->_locking
+ ? LOCK_EX
+ : null;
+ if (is_file($this->_path . '/' . $id)) {
+ @unlink($this->_path . '/' . $id);
+ }
+ if (! @file_put_contents($this->_path . '/' . $id, $data, $flag)) {
+ return false;
+ } + // write control
+ if ($data !== $this->fetch($id)) {
+ @unlink($file);
+ return false;
+ }
+ return true; + } + + /** + * Get the size of a cache entry + * + * @param string $id cache id (e.g. a filename) + * + * @return int size in bytes + */ + public function getSize($id) + { + return filesize($this->_path . '/' . $id); + } + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id (e.g. a filename) + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + $file = $this->_path . '/' . $id; + return (is_file($file) && (filemtime($file) >= $srcMtime)); + } + + /** + * Send the cached content to output + * + * @param string $id cache id (e.g. a filename) + */ + public function display($id) + { + if ($this->_locking) {
+ $fp = fopen($this->_path . '/' . $id, 'rb');
+ flock($fp, LOCK_SH);
+ fpassthru($fp);
+ flock($fp, LOCK_UN);
+ fclose($fp);
+ } else {
+ readfile($this->_path . '/' . $id);
+ }
+ } + + /** + * Fetch the cached content + * + * @param string $id cache id (e.g. a filename) + * + * @return string + */ + public function fetch($id) + { + if ($this->_locking) {
+ $fp = fopen($this->_path . '/' . $id, 'rb');
+ flock($fp, LOCK_SH);
+ $ret = stream_get_contents($fp);
+ flock($fp, LOCK_UN);
+ fclose($fp);
+ return $ret;
+ } else {
+ return file_get_contents($this->_path . '/' . $id);
+ } + } + + /** + * Fetch the cache path used + * + * @return string + */ + public function getPath() + { + return $this->_path; + } + + private $_path = null; + private $_locking = null;
+} diff --git a/vendors/min/lib/Minify/Cache/Memcache.php b/vendors/min/lib/Minify/Cache/Memcache.php new file mode 100644 index 000000000..2b81e7a32 --- /dev/null +++ b/vendors/min/lib/Minify/Cache/Memcache.php @@ -0,0 +1,137 @@ +<?php +/** + * Class Minify_Cache_Memcache + * @package Minify + */ + +/** + * Memcache-based cache class for Minify + * + * <code> + * // fall back to disk caching if memcache can't connect + * $memcache = new Memcache; + * if ($memcache->connect('localhost', 11211)) { + * Minify::setCache(new Minify_Cache_Memcache($memcache)); + * } else { + * Minify::setCache(); + * } + * </code> + **/ +class Minify_Cache_Memcache { + + /** + * Create a Minify_Cache_Memcache object, to be passed to + * Minify::setCache(). + * + * @param Memcache $memcache already-connected instance + * + * @param int $expire seconds until expiration (default = 0 + * meaning the item will not get an expiration date) + * + * @return null + */ + public function __construct($memcache, $expire = 0) + { + $this->_mc = $memcache; + $this->_exp = $expire; + } + + /** + * Write data to cache. + * + * @param string $id cache id + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + return $this->_mc->set($id, "{$_SERVER['REQUEST_TIME']}|{$data}", 0, $this->_exp); + } + + + /** + * Get the size of a cache entry + * + * @param string $id cache id + * + * @return int size in bytes + */ + public function getSize($id) + { + return $this->_fetch($id) + ? strlen($this->_data) + : false; + } + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + return ($this->_fetch($id) && ($this->_lm >= $srcMtime)); + } + + /** + * Send the cached content to output + * + * @param string $id cache id + */ + public function display($id) + { + echo $this->_fetch($id) + ? $this->_data + : ''; + } + + /** + * Fetch the cached content + * + * @param string $id cache id + * + * @return string + */ + public function fetch($id) + { + return $this->_fetch($id) + ? $this->_data + : ''; + } + + private $_mc = null; + private $_exp = null; + + // cache of most recently fetched id + private $_lm = null; + private $_data = null; + private $_id = null; + + /** + * Fetch data and timestamp from memcache, store in instance + * + * @param string $id + * + * @return bool success + */ + private function _fetch($id) + { + if ($this->_id === $id) { + return true; + } + $ret = $this->_mc->get($id); + if (false === $ret) { + $this->_id = null; + return false; + } + list($this->_lm, $this->_data) = explode('|', $ret, 2); + $this->_id = $id; + return true; + } +} diff --git a/vendors/min/lib/Minify/CommentPreserver.php b/vendors/min/lib/Minify/CommentPreserver.php new file mode 100644 index 000000000..f56eb3461 --- /dev/null +++ b/vendors/min/lib/Minify/CommentPreserver.php @@ -0,0 +1,90 @@ +<?php +/** + * Class Minify_CommentPreserver + * @package Minify + */ + +/** + * Process a string in pieces preserving C-style comments that begin with "/*!" + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_CommentPreserver { + + /** + * String to be prepended to each preserved comment + * + * @var string + */ + public static $prepend = "\n"; + + /** + * String to be appended to each preserved comment + * + * @var string + */ + public static $append = "\n"; + + /** + * Process a string outside of C-style comments that begin with "/*!" + * + * On each non-empty string outside these comments, the given processor + * function will be called. The first "!" will be removed from the + * preserved comments, and the comments will be surrounded by + * Minify_CommentPreserver::$preprend and Minify_CommentPreserver::$append. + * + * @param string $content + * @param callback $processor function + * @param array $args array of extra arguments to pass to the processor + * function (default = array()) + * @return string + */ + public static function process($content, $processor, $args = array()) + { + $ret = ''; + while (true) { + list($beforeComment, $comment, $afterComment) = self::_nextComment($content); + if ('' !== $beforeComment) { + $callArgs = $args; + array_unshift($callArgs, $beforeComment); + $ret .= call_user_func_array($processor, $callArgs); + } + if (false === $comment) { + break; + } + $ret .= $comment; + $content = $afterComment; + } + return $ret; + } + + /** + * Extract comments that YUI Compressor preserves. + * + * @param string $in input + * + * @return array 3 elements are returned. If a YUI comment is found, the + * 2nd element is the comment and the 1st and 2nd are the surrounding + * strings. If no comment is found, the entire string is returned as the + * 1st element and the other two are false. + */ + private static function _nextComment($in) + { + if ( + false === ($start = strpos($in, '/*!')) + || false === ($end = strpos($in, '*/', $start + 3)) + ) { + return array($in, false, false); + } + $ret = array( + substr($in, 0, $start) + ,self::$prepend . '/*' . substr($in, $start + 3, $end - $start - 1) . self::$append + ); + $endChars = (strlen($in) - $end - 2); + $ret[] = (0 === $endChars) + ? '' + : substr($in, -$endChars); + return $ret; + } +} diff --git a/vendors/min/lib/Minify/Controller/Base.php b/vendors/min/lib/Minify/Controller/Base.php new file mode 100644 index 000000000..84889b3f0 --- /dev/null +++ b/vendors/min/lib/Minify/Controller/Base.php @@ -0,0 +1,202 @@ +<?php +/** + * Class Minify_Controller_Base + * @package Minify + */ + +/** + * Base class for Minify controller + * + * The controller class validates a request and uses it to create sources + * for minification and set options like contentType. It's also responsible + * for loading minifier code upon request. + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +abstract class Minify_Controller_Base { + + /** + * Setup controller sources and set an needed options for Minify::source + * + * You must override this method in your subclass controller to set + * $this->sources. If the request is NOT valid, make sure $this->sources + * is left an empty array. Then strip any controller-specific options from + * $options and return it. To serve files, $this->sources must be an array of + * Minify_Source objects. + * + * @param array $options controller and Minify options + * + * return array $options Minify::serve options + */ + abstract public function setupSources($options); + + /** + * Get default Minify options for this controller. + * + * Override in subclass to change defaults + * + * @return array options for Minify + */ + public function getDefaultMinifyOptions() { + return array( + 'isPublic' => true + ,'encodeOutput' => function_exists('gzdeflate') + ,'encodeMethod' => null // determine later + ,'encodeLevel' => 9 + ,'minifierOptions' => array() // no minifier options + ,'contentTypeCharset' => 'utf-8' + ,'maxAge' => 1800 // 30 minutes + ,'rewriteCssUris' => true + ,'bubbleCssImports' => false + ,'quiet' => false // serve() will send headers and output + ,'debug' => false + + // if you override this, the response code MUST be directly after + // the first space. + ,'badRequestHeader' => 'HTTP/1.0 400 Bad Request' + + // callback function to see/modify content of all sources + ,'postprocessor' => null + // file to require to load preprocessor + ,'postprocessorRequire' => null + ); + } + + /** + * Get default minifiers for this controller. + * + * Override in subclass to change defaults + * + * @return array minifier callbacks for common types + */ + public function getDefaultMinifers() { + $ret[Minify::TYPE_JS] = array('JSMin', 'minify'); + $ret[Minify::TYPE_CSS] = array('Minify_CSS', 'minify'); + $ret[Minify::TYPE_HTML] = array('Minify_HTML', 'minify'); + return $ret; + } + + /** + * Load any code necessary to execute the given minifier callback. + * + * The controller is responsible for loading minification code on demand + * via this method. This built-in function will only load classes for + * static method callbacks where the class isn't already defined. It uses + * the PEAR convention, so, given array('Jimmy_Minifier', 'minCss'), this + * function will include 'Jimmy/Minifier.php'. + * + * If you need code loaded on demand and this doesn't suit you, you'll need + * to override this function in your subclass. + * @see Minify_Controller_Page::loadMinifier() + * + * @param callback $minifierCallback callback of minifier function + * + * @return null + */ + public function loadMinifier($minifierCallback) + { + if (is_array($minifierCallback) + && is_string($minifierCallback[0]) + && !class_exists($minifierCallback[0], false)) { + + require str_replace('_', '/', $minifierCallback[0]) . '.php'; + } + } + + /** + * Is a user-given file within an allowable directory, existing, + * and having an extension js/css/html/txt ? + * + * This is a convenience function for controllers that have to accept + * user-given paths + * + * @param string $file full file path (already processed by realpath()) + * + * @param array $safeDirs directories where files are safe to serve. Files can also + * be in subdirectories of these directories. + * + * @return bool file is safe + */ + public static function _fileIsSafe($file, $safeDirs) + { + $pathOk = false; + foreach ((array)$safeDirs as $safeDir) { + if (strpos($file, $safeDir) === 0) { + $pathOk = true; + break; + } + } + $base = basename($file); + if (! $pathOk || ! is_file($file) || $base[0] === '.') { + return false; + } + list($revExt) = explode('.', strrev($base)); + return in_array(strrev($revExt), array('js', 'css', 'html', 'txt')); + } + + /** + * @var array instances of Minify_Source, which provide content and + * any individual minification needs. + * + * @see Minify_Source + */ + public $sources = array(); + + /** + * Mix in default controller options with user-given options + * + * @param array $options user options + * + * @return array mixed options + */ + public final function mixInDefaultOptions($options) + { + $ret = array_merge( + $this->getDefaultMinifyOptions(), $options + ); + if (! isset($options['minifiers'])) { + $options['minifiers'] = array(); + } + $ret['minifiers'] = array_merge( + $this->getDefaultMinifers(), $options['minifiers'] + ); + return $ret; + } + + /** + * Analyze sources (if there are any) and set $options 'contentType' + * and 'lastModifiedTime' if they already aren't. + * + * @param array $options options for Minify + * + * @return array options for Minify + */ + public final function analyzeSources($options = array()) + { + if ($this->sources) { + if (! isset($options['contentType'])) { + $options['contentType'] = Minify_Source::getContentType($this->sources); + } + // last modified is needed for caching, even if setExpires is set + if (! isset($options['lastModifiedTime'])) { + $max = 0; + foreach ($this->sources as $source) { + $max = max($source->lastModified, $max); + } + $options['lastModifiedTime'] = $max; + } + } + return $options; + } + + /** + * Send message to the Minify logger + * @param string $msg + * @return null + */ + protected function log($msg) { + require_once 'Minify/Logger.php'; + Minify_Logger::log($msg); + } +} diff --git a/vendors/min/lib/Minify/Controller/Files.php b/vendors/min/lib/Minify/Controller/Files.php new file mode 100644 index 000000000..83f028adf --- /dev/null +++ b/vendors/min/lib/Minify/Controller/Files.php @@ -0,0 +1,78 @@ +<?php +/** + * Class Minify_Controller_Files + * @package Minify + */ + +require_once 'Minify/Controller/Base.php'; + +/** + * Controller class for minifying a set of files + * + * E.g. the following would serve the minified Javascript for a site + * <code> + * Minify::serve('Files', array( + * 'files' => array( + * '//js/jquery.js' + * ,'//js/plugins.js' + * ,'/home/username/file.js' + * ) + * )); + * </code> + * + * As a shortcut, the controller will replace "//" at the beginning + * of a filename with $_SERVER['DOCUMENT_ROOT'] . '/'. + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Controller_Files extends Minify_Controller_Base { + + /** + * Set up file sources + * + * @param array $options controller and Minify options + * @return array Minify options + * + * Controller options: + * + * 'files': (required) array of complete file paths, or a single path + */ + public function setupSources($options) { + // strip controller options + + $files = $options['files']; + // if $files is a single object, casting will break it + if (is_object($files)) { + $files = array($files); + } elseif (! is_array($files)) { + $files = (array)$files; + } + unset($options['files']); + + $sources = array(); + foreach ($files as $file) { + if ($file instanceof Minify_Source) { + $sources[] = $file; + continue; + } + if (0 === strpos($file, '//')) { + $file = $_SERVER['DOCUMENT_ROOT'] . substr($file, 1); + } + $realPath = realpath($file); + if (is_file($realPath)) { + $sources[] = new Minify_Source(array( + 'filepath' => $realPath + )); + } else { + $this->log("The path \"{$file}\" could not be found (or was not a file)"); + return $options; + } + } + if ($sources) { + $this->sources = $sources; + } + return $options; + } +} + diff --git a/vendors/min/lib/Minify/Controller/Groups.php b/vendors/min/lib/Minify/Controller/Groups.php new file mode 100644 index 000000000..1ac57703a --- /dev/null +++ b/vendors/min/lib/Minify/Controller/Groups.php @@ -0,0 +1,94 @@ +<?php +/** + * Class Minify_Controller_Groups + * @package Minify + */ + +require_once 'Minify/Controller/Base.php'; + +/** + * Controller class for serving predetermined groups of minimized sets, selected + * by PATH_INFO + * + * <code> + * Minify::serve('Groups', array( + * 'groups' => array( + * 'css' => array('//css/type.css', '//css/layout.css') + * ,'js' => array('//js/jquery.js', '//js/site.js') + * ) + * )); + * </code> + * + * If the above code were placed in /serve.php, it would enable the URLs + * /serve.php/js and /serve.php/css + * + * As a shortcut, the controller will replace "//" at the beginning + * of a filename with $_SERVER['DOCUMENT_ROOT'] . '/'. + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Controller_Groups extends Minify_Controller_Base { + + /** + * Set up groups of files as sources + * + * @param array $options controller and Minify options + * @return array Minify options + * + * Controller options: + * + * 'groups': (required) array mapping PATH_INFO strings to arrays + * of complete file paths. @see Minify_Controller_Groups + */ + public function setupSources($options) { + // strip controller options + $groups = $options['groups']; + unset($options['groups']); + + // mod_fcgid places PATH_INFO in ORIG_PATH_INFO + $pi = isset($_SERVER['ORIG_PATH_INFO']) + ? substr($_SERVER['ORIG_PATH_INFO'], 1) + : (isset($_SERVER['PATH_INFO']) + ? substr($_SERVER['PATH_INFO'], 1) + : false + ); + if (false === $pi || ! isset($groups[$pi])) { + // no PATH_INFO or not a valid group + $this->log("Missing PATH_INFO or no group set for \"$pi\""); + return $options; + } + $sources = array(); + + $files = $groups[$pi]; + // if $files is a single object, casting will break it + if (is_object($files)) { + $files = array($files); + } elseif (! is_array($files)) { + $files = (array)$files; + } + foreach ($files as $file) { + if ($file instanceof Minify_Source) { + $sources[] = $file; + continue; + } + if (0 === strpos($file, '//')) { + $file = $_SERVER['DOCUMENT_ROOT'] . substr($file, 1); + } + $realPath = realpath($file); + if (is_file($realPath)) { + $sources[] = new Minify_Source(array( + 'filepath' => $realPath + )); + } else { + $this->log("The path \"{$file}\" could not be found (or was not a file)"); + return $options; + } + } + if ($sources) { + $this->sources = $sources; + } + return $options; + } +} + diff --git a/vendors/min/lib/Minify/Controller/MinApp.php b/vendors/min/lib/Minify/Controller/MinApp.php new file mode 100644 index 000000000..9582d292c --- /dev/null +++ b/vendors/min/lib/Minify/Controller/MinApp.php @@ -0,0 +1,132 @@ +<?php +/** + * Class Minify_Controller_MinApp + * @package Minify + */ + +require_once 'Minify/Controller/Base.php'; + +/** + * Controller class for requests to /min/index.php + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Controller_MinApp extends Minify_Controller_Base { + + /** + * Set up groups of files as sources + * + * @param array $options controller and Minify options + * @return array Minify options + * + */ + public function setupSources($options) { + // filter controller options + $cOptions = array_merge( + array( + 'allowDirs' => '//' + ,'groupsOnly' => false + ,'groups' => array() + ,'maxFiles' => 10 + ) + ,(isset($options['minApp']) ? $options['minApp'] : array()) + ); + unset($options['minApp']); + $sources = array(); + if (isset($_GET['g'])) { + // try groups + if (! isset($cOptions['groups'][$_GET['g']])) { + $this->log("A group configuration for \"{$_GET['g']}\" was not set"); + return $options; + } + + $files = $cOptions['groups'][$_GET['g']]; + // if $files is a single object, casting will break it + if (is_object($files)) { + $files = array($files); + } elseif (! is_array($files)) { + $files = (array)$files; + } + foreach ($files as $file) { + if ($file instanceof Minify_Source) { + $sources[] = $file; + continue; + } + if (0 === strpos($file, '//')) { + $file = $_SERVER['DOCUMENT_ROOT'] . substr($file, 1); + } + $file = realpath($file); + if (is_file($file)) { + $sources[] = new Minify_Source(array( + 'filepath' => $file + )); + } else { + $this->log("The path \"{$file}\" could not be found (or was not a file)"); + return $options; + } + } + } elseif (! $cOptions['groupsOnly'] && isset($_GET['f'])) { + // try user files + // The following restrictions are to limit the URLs that minify will + // respond to. Ideally there should be only one way to reference a file. + if (// verify at least one file, files are single comma separated, + // and are all same extension + ! preg_match('/^[^,]+\\.(css|js)(?:,[^,]+\\.\\1)*$/', $_GET['f']) + // no "//" + || strpos($_GET['f'], '//') !== false + // no "\" + || strpos($_GET['f'], '\\') !== false + // no "./" + || preg_match('/(?:^|[^\\.])\\.\\//', $_GET['f']) + ) { + $this->log("GET param 'f' invalid (see MinApp.php line 63)"); + return $options; + } + $files = explode(',', $_GET['f']); + if (count($files) > $cOptions['maxFiles'] || $files != array_unique($files)) { + $this->log("Too many or duplicate files specified"); + return $options; + } + if (isset($_GET['b'])) { + // check for validity + if (preg_match('@^[^/]+(?:/[^/]+)*$@', $_GET['b']) + && false === strpos($_GET['b'], '..') + && $_GET['b'] !== '.') { + // valid base + $base = "/{$_GET['b']}/"; + } else { + $this->log("GET param 'b' invalid (see MinApp.php line 84)"); + return $options; + } + } else { + $base = '/'; + } + $allowDirs = array(); + foreach ((array)$cOptions['allowDirs'] as $allowDir) { + $allowDirs[] = realpath(str_replace('//', $_SERVER['DOCUMENT_ROOT'] . '/', $allowDir)); + } + foreach ($files as $file) { + $path = $_SERVER['DOCUMENT_ROOT'] . $base . $file; + $file = realpath($path); + if (false === $file) { + $this->log("Path \"{$path}\" failed realpath()"); + return $options; + } elseif (! parent::_fileIsSafe($file, $allowDirs)) { + $this->log("Path \"{$path}\" failed Minify_Controller_Base::_fileIsSafe()"); + return $options; + } else { + $sources[] = new Minify_Source(array( + 'filepath' => $file + )); + } + } + } + if ($sources) { + $this->sources = $sources; + } else { + $this->log("No sources to serve"); + } + return $options; + } +} diff --git a/vendors/min/lib/Minify/Controller/Page.php b/vendors/min/lib/Minify/Controller/Page.php new file mode 100644 index 000000000..fa4599abd --- /dev/null +++ b/vendors/min/lib/Minify/Controller/Page.php @@ -0,0 +1,82 @@ +<?php +/** + * Class Minify_Controller_Page + * @package Minify + */ + +require_once 'Minify/Controller/Base.php'; + +/** + * Controller class for serving a single HTML page + * + * @link http://code.google.com/p/minify/source/browse/trunk/web/examples/1/index.php#59 + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Controller_Page extends Minify_Controller_Base { + + /** + * Set up source of HTML content + * + * @param array $options controller and Minify options + * @return array Minify options + * + * Controller options: + * + * 'content': (required) HTML markup + * + * 'id': (required) id of page (string for use in server-side caching) + * + * 'lastModifiedTime': timestamp of when this content changed. This + * is recommended to allow both server and client-side caching. + * + * 'minifyAll': should all CSS and Javascript blocks be individually + * minified? (default false) + * + * @todo Add 'file' option to read HTML file. + */ + public function setupSources($options) { + if (isset($options['file'])) { + $sourceSpec = array( + 'filepath' => $options['file'] + ); + } else { + // strip controller options + $sourceSpec = array( + 'content' => $options['content'] + ,'id' => $options['id'] + ); + unset($options['content'], $options['id']); + } + if (isset($options['minifyAll'])) { + // this will be the 2nd argument passed to Minify_HTML::minify() + $sourceSpec['minifyOptions'] = array( + 'cssMinifier' => array('Minify_CSS', 'minify') + ,'jsMinifier' => array('JSMin', 'minify') + ); + $this->_loadCssJsMinifiers = true; + unset($options['minifyAll']); + } + $this->sources[] = new Minify_Source($sourceSpec); + + $options['contentType'] = Minify::TYPE_HTML; + return $options; + } + + protected $_loadCssJsMinifiers = false; + + /** + * @see Minify_Controller_Base::loadMinifier() + */ + public function loadMinifier($minifierCallback) + { + if ($this->_loadCssJsMinifiers) { + // Minify will not call for these so we must manually load + // them when Minify/HTML.php is called for. + require_once 'Minify/CSS.php'; + require_once 'JSMin.php'; + } + parent::loadMinifier($minifierCallback); // load Minify/HTML.php + } +} + diff --git a/vendors/min/lib/Minify/Controller/Version1.php b/vendors/min/lib/Minify/Controller/Version1.php new file mode 100644 index 000000000..1861aabc1 --- /dev/null +++ b/vendors/min/lib/Minify/Controller/Version1.php @@ -0,0 +1,118 @@ +<?php +/** + * Class Minify_Controller_Version1 + * @package Minify + */ + +require_once 'Minify/Controller/Base.php'; + +/** + * Controller class for emulating version 1 of minify.php + * + * <code> + * Minify::serve('Version1'); + * </code> + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Controller_Version1 extends Minify_Controller_Base { + + /** + * Set up groups of files as sources + * + * @param array $options controller and Minify options + * @return array Minify options + * + */ + public function setupSources($options) { + self::_setupDefines(); + if (MINIFY_USE_CACHE) { + $cacheDir = defined('MINIFY_CACHE_DIR') + ? MINIFY_CACHE_DIR + : ''; + Minify::setCache($cacheDir); + } + $options['badRequestHeader'] = 'HTTP/1.0 404 Not Found'; + $options['contentTypeCharset'] = MINIFY_ENCODING; + + // The following restrictions are to limit the URLs that minify will + // respond to. Ideally there should be only one way to reference a file. + if (! isset($_GET['files']) + // verify at least one file, files are single comma separated, + // and are all same extension + || ! preg_match('/^[^,]+\\.(css|js)(,[^,]+\\.\\1)*$/', $_GET['files'], $m) + // no "//" (makes URL rewriting easier) + || strpos($_GET['files'], '//') !== false + // no "\" + || strpos($_GET['files'], '\\') !== false + // no "./" + || preg_match('/(?:^|[^\\.])\\.\\//', $_GET['files']) + ) { + return $options; + } + $extension = $m[1]; + + $files = explode(',', $_GET['files']); + if (count($files) > MINIFY_MAX_FILES) { + return $options; + } + + // strings for prepending to relative/absolute paths + $prependRelPaths = dirname($_SERVER['SCRIPT_FILENAME']) + . DIRECTORY_SEPARATOR; + $prependAbsPaths = $_SERVER['DOCUMENT_ROOT']; + + $sources = array(); + $goodFiles = array(); + $hasBadSource = false; + + $allowDirs = isset($options['allowDirs']) + ? $options['allowDirs'] + : MINIFY_BASE_DIR; + + foreach ($files as $file) { + // prepend appropriate string for abs/rel paths + $file = ($file[0] === '/' ? $prependAbsPaths : $prependRelPaths) . $file; + // make sure a real file! + $file = realpath($file); + // don't allow unsafe or duplicate files + if (parent::_fileIsSafe($file, $allowDirs) + && !in_array($file, $goodFiles)) + { + $goodFiles[] = $file; + $srcOptions = array( + 'filepath' => $file + ); + $this->sources[] = new Minify_Source($srcOptions); + } else { + $hasBadSource = true; + break; + } + } + if ($hasBadSource) { + $this->sources = array(); + } + if (! MINIFY_REWRITE_CSS_URLS) { + $options['rewriteCssUris'] = false; + } + return $options; + } + + private static function _setupDefines() + { + $defaults = array( + 'MINIFY_BASE_DIR' => realpath($_SERVER['DOCUMENT_ROOT']) + ,'MINIFY_ENCODING' => 'utf-8' + ,'MINIFY_MAX_FILES' => 16 + ,'MINIFY_REWRITE_CSS_URLS' => true + ,'MINIFY_USE_CACHE' => true + ); + foreach ($defaults as $const => $val) { + if (! defined($const)) { + define($const, $val); + } + } + } +} + diff --git a/vendors/min/lib/Minify/HTML.php b/vendors/min/lib/Minify/HTML.php new file mode 100644 index 000000000..fb5c1e982 --- /dev/null +++ b/vendors/min/lib/Minify/HTML.php @@ -0,0 +1,245 @@ +<?php +/** + * Class Minify_HTML + * @package Minify + */ + +/** + * Compress HTML + * + * This is a heavy regex-based removal of whitespace, unnecessary comments and + * tokens. IE conditional comments are preserved. There are also options to have + * STYLE and SCRIPT blocks compressed by callback functions. + * + * A test suite is available. + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_HTML { + + /** + * "Minify" an HTML page + * + * @param string $html + * + * @param array $options + * + * 'cssMinifier' : (optional) callback function to process content of STYLE + * elements. + * + * 'jsMinifier' : (optional) callback function to process content of SCRIPT + * elements. Note: the type attribute is ignored. + * + * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If + * unset, minify will sniff for an XHTML doctype. + * + * @return string + */ + public static function minify($html, $options = array()) { + $min = new Minify_HTML($html, $options); + return $min->process(); + } + + + /** + * Create a minifier object + * + * @param string $html + * + * @param array $options + * + * 'cssMinifier' : (optional) callback function to process content of STYLE + * elements. + * + * 'jsMinifier' : (optional) callback function to process content of SCRIPT + * elements. Note: the type attribute is ignored. + * + * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If + * unset, minify will sniff for an XHTML doctype. + * + * @return null + */ + public function __construct($html, $options = array()) + { + $this->_html = str_replace("\r\n", "\n", trim($html)); + if (isset($options['xhtml'])) { + $this->_isXhtml = (bool)$options['xhtml']; + } + if (isset($options['cssMinifier'])) { + $this->_cssMinifier = $options['cssMinifier']; + } + if (isset($options['jsMinifier'])) { + $this->_jsMinifier = $options['jsMinifier']; + } + } + + + /** + * Minify the markeup given in the constructor + * + * @return string + */ + public function process() + { + if ($this->_isXhtml === null) { + $this->_isXhtml = (false !== strpos($this->_html, '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML')); + } + + $this->_replacementHash = 'MINIFYHTML' . md5($_SERVER['REQUEST_TIME']); + $this->_placeholders = array(); + + // replace SCRIPTs (and minify) with placeholders + $this->_html = preg_replace_callback( + '/(\\s*)(<script\\b[^>]*?>)([\\s\\S]*?)<\\/script>(\\s*)/i' + ,array($this, '_removeScriptCB') + ,$this->_html); + + // replace STYLEs (and minify) with placeholders + $this->_html = preg_replace_callback( + '/\\s*(<style\\b[^>]*?>)([\\s\\S]*?)<\\/style>\\s*/i' + ,array($this, '_removeStyleCB') + ,$this->_html); + + // remove HTML comments (not containing IE conditional comments). + $this->_html = preg_replace_callback( + '/<!--([\\s\\S]*?)-->/' + ,array($this, '_commentCB') + ,$this->_html); + + // replace PREs with placeholders + $this->_html = preg_replace_callback('/\\s*(<pre\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i' + ,array($this, '_removePreCB') + ,$this->_html); + + // replace TEXTAREAs with placeholders + $this->_html = preg_replace_callback( + '/\\s*(<textarea\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i' + ,array($this, '_removeTextareaCB') + ,$this->_html); + + // trim each line. + // @todo take into account attribute values that span multiple lines. + $this->_html = preg_replace('/^\\s+|\\s+$/m', '', $this->_html); + + // remove ws around block/undisplayed elements + $this->_html = preg_replace('/\\s+(<\\/?(?:area|base(?:font)?|blockquote|body' + .'|caption|center|cite|col(?:group)?|dd|dir|div|dl|dt|fieldset|form' + .'|frame(?:set)?|h[1-6]|head|hr|html|legend|li|link|map|menu|meta' + .'|ol|opt(?:group|ion)|p|param|t(?:able|body|head|d|h||r|foot|itle)' + .'|ul)\\b[^>]*>)/i', '$1', $this->_html); + + // remove ws outside of all elements + $this->_html = preg_replace_callback( + '/>([^<]+)</' + ,array($this, '_outsideTagCB') + ,$this->_html); + + // use newlines before 1st attribute in open tags (to limit line lengths) + $this->_html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "$1\n$2", $this->_html); + + // fill placeholders + $this->_html = str_replace( + array_keys($this->_placeholders) + ,array_values($this->_placeholders) + ,$this->_html + ); + return $this->_html; + } + + protected function _commentCB($m) + { + return (0 === strpos($m[1], '[') || false !== strpos($m[1], '<![')) + ? $m[0] + : ''; + } + + protected function _reservePlace($content) + { + $placeholder = '%' . $this->_replacementHash . count($this->_placeholders) . '%'; + $this->_placeholders[$placeholder] = $content; + return $placeholder; + } + + protected $_isXhtml = null; + protected $_replacementHash = null; + protected $_placeholders = array(); + protected $_cssMinifier = null; + protected $_jsMinifier = null; + + protected function _outsideTagCB($m) + { + return '>' . preg_replace('/^\\s+|\\s+$/', ' ', $m[1]) . '<'; + } + + protected function _removePreCB($m) + { + return $this->_reservePlace($m[1]); + } + + protected function _removeTextareaCB($m) + { + return $this->_reservePlace($m[1]); + } + + protected function _removeStyleCB($m) + { + $openStyle = $m[1]; + $css = $m[2]; + // remove HTML comments + $css = preg_replace('/(?:^\\s*<!--|-->\\s*$)/', '', $css); + + // remove CDATA section markers + $css = $this->_removeCdata($css); + + // minify + $minifier = $this->_cssMinifier + ? $this->_cssMinifier + : 'trim'; + $css = call_user_func($minifier, $css); + + return $this->_reservePlace($this->_needsCdata($css) + ? "{$openStyle}/*<![CDATA[*/{$css}/*]]>*/</style>" + : "{$openStyle}{$css}</style>" + ); + } + + protected function _removeScriptCB($m) + { + $openScript = $m[2]; + $js = $m[3]; + + // whitespace surrounding? preserve at least one space + $ws1 = ($m[1] === '') ? '' : ' '; + $ws2 = ($m[4] === '') ? '' : ' '; + + // remove HTML comments (and ending "//" if present) + $js = preg_replace('/(?:^\\s*<!--\\s*|\\s*(?:\\/\\/)?\\s*-->\\s*$)/', '', $js); + + // remove CDATA section markers + $js = $this->_removeCdata($js); + + // minify + $minifier = $this->_jsMinifier + ? $this->_jsMinifier + : 'trim'; + $js = call_user_func($minifier, $js); + + return $this->_reservePlace($this->_needsCdata($js) + ? "{$ws1}{$openScript}/*<![CDATA[*/{$js}/*]]>*/</script>{$ws2}" + : "{$ws1}{$openScript}{$js}</script>{$ws2}" + ); + } + + protected function _removeCdata($str) + { + return (false !== strpos($str, '<![CDATA[')) + ? str_replace(array('<![CDATA[', ']]>'), '', $str) + : $str; + } + + protected function _needsCdata($str) + { + return ($this->_isXhtml && preg_match('/(?:[<&]|\\-\\-|\\]\\]>)/', $str)); + } +} diff --git a/vendors/min/lib/Minify/ImportProcessor.php b/vendors/min/lib/Minify/ImportProcessor.php new file mode 100644 index 000000000..0d6d90a81 --- /dev/null +++ b/vendors/min/lib/Minify/ImportProcessor.php @@ -0,0 +1,157 @@ +<?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})"; + } +} diff --git a/vendors/min/lib/Minify/Lines.php b/vendors/min/lib/Minify/Lines.php new file mode 100644 index 000000000..6f94fb63c --- /dev/null +++ b/vendors/min/lib/Minify/Lines.php @@ -0,0 +1,131 @@ +<?php +/** + * Class Minify_Lines + * @package Minify + */ + +/** + * Add line numbers in C-style comments for easier debugging of combined content + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + * @author Adam Pedersen (Issue 55 fix) + */ +class Minify_Lines { + + /** + * Add line numbers in C-style comments + * + * This uses a very basic parser easily fooled by comment tokens inside + * strings or regexes, but, otherwise, generally clean code will not be + * mangled. URI rewriting can also be performed. + * + * @param string $content + * + * @param array $options available options: + * + * 'id': (optional) string to identify file. E.g. file name/path + * + * 'currentDir': (default null) if given, this is assumed to be the
+ * directory of the current CSS file. Using this, minify will rewrite
+ * all relative URIs in import/url declarations to correctly point to
+ * the desired files, and prepend a comment with debugging information about + * this process. + * + * @return string + */ + public static function minify($content, $options = array()) + { + $id = (isset($options['id']) && $options['id']) + ? $options['id'] + : ''; + $content = str_replace("\r\n", "\n", $content); + $lines = explode("\n", $content); + $numLines = count($lines); + // determine left padding + $padTo = strlen($numLines); + $inComment = false; + $i = 0; + $newLines = array(); + while (null !== ($line = array_shift($lines))) { + if (('' !== $id) && (0 == $i % 50)) { + array_push($newLines, '', "/* {$id} */", ''); + } + ++$i; + $newLines[] = self::_addNote($line, $i, $inComment, $padTo); + $inComment = self::_eolInComment($line, $inComment); + } + $content = implode("\n", $newLines) . "\n"; + + // check for desired URI rewriting + if (isset($options['currentDir'])) { + require_once 'Minify/CSS/UriRewriter.php'; + Minify_CSS_UriRewriter::$debugText = ''; + $content = Minify_CSS_UriRewriter::rewrite( + $content + ,$options['currentDir'] + ,isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT']
+ ,isset($options['symlinks']) ? $options['symlinks'] : array() + ); + $content = "/* Minify_CSS_UriRewriter::\$debugText\n\n" + . Minify_CSS_UriRewriter::$debugText . "*/\n" + . $content; + } + + return $content; + } + + /** + * Is the parser within a C-style comment at the end of this line? + * + * @param string $line current line of code + * + * @param bool $inComment was the parser in a comment at the + * beginning of the line? + * + * @return bool + */ + private static function _eolInComment($line, $inComment) + { + while (strlen($line)) { + $search = $inComment + ? '*/' + : '/*'; + $pos = strpos($line, $search); + if (false === $pos) { + return $inComment; + } else { + if ($pos == 0 + || ($inComment + ? substr($line, $pos, 3) + : substr($line, $pos-1, 3)) != '*/*') + { + $inComment = ! $inComment; + } + $line = substr($line, $pos + 2); + } + } + return $inComment; + } + + /** + * Prepend a comment (or note) to the given line + * + * @param string $line current line of code + * + * @param string $note content of note/comment + * + * @param bool $inComment was the parser in a comment at the + * beginning of the line? + * + * @param int $padTo minimum width of comment + * + * @return string + */ + private static function _addNote($line, $note, $inComment, $padTo) + { + return $inComment + ? '/* ' . str_pad($note, $padTo, ' ', STR_PAD_RIGHT) . ' *| ' . $line + : '/* ' . str_pad($note, $padTo, ' ', STR_PAD_RIGHT) . ' */ ' . $line; + } +} diff --git a/vendors/min/lib/Minify/Logger.php b/vendors/min/lib/Minify/Logger.php new file mode 100644 index 000000000..7844eea35 --- /dev/null +++ b/vendors/min/lib/Minify/Logger.php @@ -0,0 +1,45 @@ +<?php +/** + * Class Minify_Logger + * @package Minify + */ + +/** + * Message logging class + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_Logger { + + /** + * Set logger object. + * + * The object should have a method "log" that accepts a value as 1st argument and + * an optional string label as the 2nd. + * + * @param mixed $obj or a "falsey" value to disable + * @return null + */ + public static function setLogger($obj = null) { + self::$_logger = $obj + ? $obj + : null; + } + + /** + * Pass a message to the logger (if set) + * + * @param string $msg message to log + * @return null + */ + public static function log($msg, $label = 'Minify') { + if (! self::$_logger) return; + self::$_logger->log($msg, $label); + } + + /** + * @var mixed logger object (like FirePHP) or null (i.e. no logger available) + */ + private static $_logger = null; +} diff --git a/vendors/min/lib/Minify/Packer.php b/vendors/min/lib/Minify/Packer.php new file mode 100644 index 000000000..949c3eef0 --- /dev/null +++ b/vendors/min/lib/Minify/Packer.php @@ -0,0 +1,37 @@ +<?php +/** + * Class Minify_Packer + * + * To use this class you must first download the PHP port of Packer + * and place the file "class.JavaScriptPacker.php" in /lib (or your + * include_path). + * @link http://joliclic.free.fr/php/javascript-packer/en/ + * + * Be aware that, as long as HTTP encoding is used, scripts minified with JSMin + * will provide better client-side performance, as they need not be unpacked in + * client-side code. + * + * @package Minify + */ + +if (false === (@include 'class.JavaScriptPacker.php')) { + trigger_error( + 'The script "class.JavaScriptPacker.php" is required. Please see: http:' + .'//code.google.com/p/minify/source/browse/trunk/min/lib/Minify/Packer.php' + ,E_USER_ERROR + ); +} + +/** + * Minify Javascript using Dean Edward's Packer + * + * @package Minify + */ +class Minify_Packer { + public static function minify($code, $options = array()) + { + // @todo: set encoding options based on $options :) + $packer = new JavascriptPacker($code, 'Normal', true, false); + return trim($packer->pack()); + } +} 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; +} + diff --git a/vendors/min/lib/Minify/YUICompressor.php b/vendors/min/lib/Minify/YUICompressor.php new file mode 100644 index 000000000..7cb61adbe --- /dev/null +++ b/vendors/min/lib/Minify/YUICompressor.php @@ -0,0 +1,139 @@ +<?php +/** + * Class Minify_YUICompressor + * @package Minify + */ + +/** + * Compress Javascript/CSS using the YUI Compressor + * + * You must set $jarFile and $tempDir before calling the minify functions. + * Also, depending on your shell's environment, you may need to specify + * the full path to java in $javaExecutable or use putenv() to setup the + * Java environment. + * + * <code> + * Minify_YUICompressor::$jarFile = '/path/to/yuicompressor-2.3.5.jar'; + * Minify_YUICompressor::$tempDir = '/tmp'; + * $code = Minify_YUICompressor::minifyJs( + * $code + * ,array('nomunge' => true, 'line-break' => 1000) + * ); + * </code> + * + * @todo unit tests, $options docs + * + * @package Minify + * @author Stephen Clay <steve@mrclay.org> + */ +class Minify_YUICompressor { + + /** + * Filepath of the YUI Compressor jar file. This must be set before + * calling minifyJs() or minifyCss(). + * + * @var string + */ + public static $jarFile = null; + + /** + * Writable temp directory. This must be set before calling minifyJs() + * or minifyCss(). + * + * @var string + */ + public static $tempDir = null; + + /** + * Filepath of "java" executable (may be needed if not in shell's PATH) + * + * @var string + */ + public static $javaExecutable = 'java'; + + /** + * Minify a Javascript string + * + * @param string $js + * + * @param array $options (verbose is ignored) + * + * @see http://www.julienlecomte.net/yuicompressor/README + * + * @return string + */ + public static function minifyJs($js, $options = array()) + { + return self::_minify('js', $js, $options); + } + + /** + * Minify a CSS string + * + * @param string $css + * + * @param array $options (verbose is ignored) + * + * @see http://www.julienlecomte.net/yuicompressor/README + * + * @return string + */ + public static function minifyCss($css, $options = array()) + { + return self::_minify('css', $css, $options); + } + + private static function _minify($type, $content, $options) + { + self::_prepare(); + if (! ($tmpFile = tempnam(self::$tempDir, 'yuic_'))) { + throw new Exception('Minify_YUICompressor : could not create temp file.'); + } + file_put_contents($tmpFile, $content); + exec(self::_getCmd($options, $type, $tmpFile), $output); + unlink($tmpFile); + return implode("\n", $output); + } + + private static function _getCmd($userOptions, $type, $tmpFile) + { + $o = array_merge( + array( + 'charset' => '' + ,'line-break' => 5000 + ,'type' => $type + ,'nomunge' => false + ,'preserve-semi' => false + ,'disable-optimizations' => false + ) + ,$userOptions + ); + $cmd = self::$javaExecutable . ' -jar ' . escapeshellarg(self::$jarFile) + . " --type {$type}" + . (preg_match('/^[a-zA-Z\\-]+$/', $o['charset']) + ? " --charset {$o['charset']}" + : '') + . (is_numeric($o['line-break']) && $o['line-break'] >= 0 + ? ' --line-break ' . (int)$o['line-break'] + : ''); + if ($type === 'js') { + foreach (array('nomunge', 'preserve-semi', 'disable-optimizations') as $opt) { + $cmd .= $o[$opt] + ? " --{$opt}" + : ''; + } + } + return $cmd . ' ' . escapeshellarg($tmpFile); + } + + private static function _prepare() + { + if (! is_file(self::$jarFile) + || ! is_dir(self::$tempDir) + || ! is_writable(self::$tempDir) + ) { + throw new Exception('Minify_YUICompressor : $jarFile and $tempDir must be set.'); + } + } +} + |