initial import

www/include/minify/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 = '&amp;';
+    
+    /**
+     * 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&amp1678242"
+     * </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;
+    }
+}

www/include/minify/lib/Minify/CSS.php

@@ -0,0 +1,322 @@
+<?php
+/**
+ * Class Minify_CSS  
+ * @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>
+ */
+class Minify_CSS {
+    
+    /**
+     * Minify a CSS string
+     * 
+     * @param string $css
+     * 
+     * @param array $options available options:
+     * 
+     * 'preserveComments': (default true) multi-line comments that begin
+     * with "/*!" will be preserved with newlines before and after to
+     * enhance readability.
+     * 
+     * 'prependRelativePath': (default null) if given, this string will be
+     * prepended to all relative URIs in import/url declarations
+     * 
+     * 'currentDir': (default null) if given, this is assumed to be the
+     * directory of the current CSS file. Using this, minify will rewrite
+     * all relative URIs in import/url declarations to correctly point to
+     * the desired files. For this to work, the files *must* exist and be
+     * visible by the PHP process.
+     * 
+     * @return string
+     */
+    public static function minify($css, $options = array()) 
+    {
+        if (isset($options['preserveComments']) 
+            && !$options['preserveComments']) {
+            return self::_minify($css, $options);    
+        }
+        require_once 'Minify/CommentPreserver.php';
+        // recursive calls don't preserve comments
+        $options['preserveComments'] = false;
+        return Minify_CommentPreserver::process(
+            $css
+            ,array('Minify_CSS', 'minify')
+            ,array($options)
+        );
+    }
+
+    /**
+     * Minify a CSS string
+     * 
+     * @param string $css
+     * 
+     * @param array $options To enable URL rewriting, set the value
+     * for key 'prependRelativePath'.
+     * 
+     * @return string
+     */
+    protected static function _minify($css, $options) 
+    {
+        $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*/', $css);
+        
+        // apply callback to all valid comments (and strip out surrounding ws
+        self::$_inHack = false;
+        $css = preg_replace_callback('@\\s*/\\*([\\s\\S]*?)\\*/\\s*@'
+            ,array('Minify_CSS', '_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('Minify_CSS', '_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('Minify_CSS', '_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);
+        
+        $rewrite = false;
+        if (isset($options['prependRelativePath'])) {
+            self::$_tempPrepend = $options['prependRelativePath'];
+            $rewrite = true;
+        } elseif (isset($options['currentDir'])) {
+            self::$_tempCurrentDir = $options['currentDir'];
+            $rewrite = true;
+        }
+        if ($rewrite) {
+            $css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/'
+                ,array('Minify_CSS', '_urlCB'), $css);
+            $css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/'
+                ,array('Minify_CSS', '_urlCB'), $css);
+        }
+        self::$_tempPrepend = self::$_tempCurrentDir = '';
+        return trim($css);
+    }
+    
+    /**
+     * Replace what looks like a set of selectors  
+     *
+     * @param array $m regex matches
+     * 
+     * @return string
+     */
+    protected static function _selectorsCB($m)
+    {
+        // remove ws around the combinators
+        return preg_replace('/\\s*([,>+~])\\s*/', '$1', $m[0]);
+    }
+    
+    /**
+     * @var bool Are we "in" a hack? 
+     * 
+     * I.e. are some browsers targetted until the next comment?   
+     */
+    protected static $_inHack = false;
+    
+    /**
+     * @var string string to be prepended to relative URIs   
+     */
+    protected static $_tempPrepend = '';
+    
+    /**
+     * @var string directory of this stylesheet for rewriting purposes   
+     */
+    protected static $_tempCurrentDir = '';
+    
+    /**
+     * Process a comment and return a replacement
+     * 
+     * @param array $m regex matches
+     * 
+     * @return string   
+     */
+    protected static function _commentCB($m)
+    {
+        $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+@', $m)) {
+            // component of http://tantek.com/CSS/Examples/midpass.html
+            return '/*";}}/* */';
+        }
+        if (self::$_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, $n)) {
+                // end hack mode after this comment, but preserve the hack and comment content
+                self::$_inHack = false;
+                return "/*/{$n[1]}/**/";
+            }
+        }
+        if (substr($m, -1) === '\\') { // comment ends like \*/
+            // begin hack mode and preserve hack
+            self::$_inHack = true;
+            return '/*\\*/';
+        }
+        if ($m !== '' && $m[0] === '/') { // comment looks like /*/ foo */
+            // begin hack mode and preserve hack
+            self::$_inHack = true;
+            return '/*/*/';
+        }
+        if (self::$_inHack) {
+            // a regular comment ends hack mode but should be preserved
+            self::$_inHack = false;
+            return '/**/';
+        }
+        return ''; // remove all other comments
+    }
+    
+    protected static function _urlCB($m)
+    {
+        $isImport = (0 === strpos($m[0], '@import'));
+        if ($isImport) {
+            $quote = $m[1];
+            $url = $m[2];
+        } else {
+            // is url()
+            // $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 {
+                // relative URI, rewrite!
+                if (self::$_tempPrepend) {
+                    $url = self::$_tempPrepend . $url;    
+                } else {
+                    // rewrite absolute url from scratch!
+                    // prepend path with current dir separator (OS-independent)
+                    $path = self::$_tempCurrentDir 
+                        . DIRECTORY_SEPARATOR . strtr($url, '/', DIRECTORY_SEPARATOR);
+                    // strip doc root
+                    $path = substr($path, strlen(realpath($_SERVER['DOCUMENT_ROOT'])));
+                    // fix to absolute URL
+                    $url = strtr($path, DIRECTORY_SEPARATOR, '/');
+                    // remove /./ and /../ where possible
+                    $url = str_replace('/./', '/', $url);
+                    // inspired by patch from Oleg Cherniy
+                    do {
+                        $url = preg_replace('@/[^/]+/\\.\\./@', '/', $url, -1, $changed);
+                    } while ($changed);
+                }
+            }
+        }
+        return $isImport 
+            ? "@import {$quote}{$url}{$quote}"
+            : "url({$quote}{$url}{$quote})";
+    }
+    
+    /**
+     * Process a font-family listing and return a replacement
+     * 
+     * @param array $m regex matches
+     * 
+     * @return string   
+     */
+    protected static function _fontFamilyCB($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];
+    }
+}

www/include/minify/lib/Minify/CSS/UriRewriter.php

@@ -0,0 +1,107 @@
+<?php
+/**
+ * Class Minify_CSS_UriRewriter  
+ * @package Minify
+ */
+
+/**
+ * Rewrite file-relative URIs as root-relative in CSS files
+ *
+ * @todo: prepend() method
+ * 
+ * @package Minify
+ * @author Stephen Clay <steve@mrclay.org>
+ */
+class Minify_CSS_UriRewriter {
+    
+    /**
+     * 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 = $_SERVER['DOCUMENT_ROOT']).
+     * 
+     * @return string
+     */
+    public static function rewrite($css, $currentDir, $docRoot = null) 
+    {
+        self::$_docRoot = $docRoot
+            ? $docRoot
+            : $_SERVER['DOCUMENT_ROOT'];
+        self::$_docRoot = realpath(self::$_docRoot);
+        self::$_currentDir = realpath($currentDir);
+        
+        // remove ws around urls
+        $css = preg_replace('/
+                url\\(      # url(
+                \\s*
+                ([^\\)]+?)  # 1 = URI (really just a bunch of non right parenthesis)
+                \\s*
+                \\)         # )
+            /x', 'url($1)', $css);
+        
+        // rewrite
+        $css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/'
+            ,array('Minify_CSS_UriRewriter', '_uriCB'), $css);
+        $css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/'
+            ,array('Minify_CSS_UriRewriter', '_uriCB'), $css);
+
+        return $css;
+    }
+    
+    /**
+     * @var string directory of this stylesheet
+     */
+    private static $_currentDir = '';
+    
+    /**
+     * @var string DOC_ROOT
+     */
+    private static $_docRoot = '';
+    
+    private static function _uriCB($m)
+    {
+        $isImport = ($m[0][0] === '@');
+        if ($isImport) {
+            $quoteChar = $m[1];
+            $uri = $m[2];
+        } else {
+            // is url()
+            // $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);
+        }
+        if ('/' !== $uri[0]) {
+            if (strpos($uri, '//') > 0) {
+                // probably starts with protocol, do not alter
+            } else {
+                // it's a file relative URI!
+                // prepend path with current dir separator (OS-independent)
+                $path =  strtr(self::$_currentDir, '/', DIRECTORY_SEPARATOR)  
+                    . DIRECTORY_SEPARATOR . strtr($uri, '/', DIRECTORY_SEPARATOR);
+                // strip doc root
+                $path = substr($path, strlen(self::$_docRoot));
+                // fix to root-relative URI
+                $uri = strtr($path, DIRECTORY_SEPARATOR, '/');
+                // remove /./ and /../ where possible
+                $uri = str_replace('/./', '/', $uri);
+                // inspired by patch from Oleg Cherniy
+                do {
+                    $uri = preg_replace('@/[^/]+/\\.\\./@', '/', $uri, -1, $changed);
+                } while ($changed);
+            }
+        }
+        if ($isImport) {
+            return "@import {$quoteChar}{$uri}{$quoteChar}";
+        } else {
+            return "url({$quoteChar}{$uri}{$quoteChar})";
+        }
+    }
+}

www/include/minify/lib/Minify/Cache/File.php

@@ -0,0 +1,115 @@
+<?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);
+        }
+    }
+    
+    private $_path = null;
+    private $_locking = null;
+}

www/include/minify/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;
+    }
+}

www/include/minify/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;
+    }
+}

www/include/minify/lib/Minify/Controller/Base.php

@@ -0,0 +1,190 @@
+<?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>
+ * 
+ * @todo add static function to ease setting currentPath for CSS files
+ * (see line 83 of Version1.php)
+ */
+abstract class Minify_Controller_Base {
+    
+    /**
+     * Setup controller sources
+     * 
+     * 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.
+     * 
+     * @param array $options controller and Minify options
+     * 
+     * @param array $options Minify options
+     */
+    abstract public function setupSources($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
+            ,'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('Minify_Javascript', '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 $safeDirs directories where files are safe to serve
+     * @return bool file is safe
+     */
+    public static function _fileIsSafe($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;
+    }
+}

www/include/minify/lib/Minify/Controller/Files.php

@@ -0,0 +1,71 @@
+<?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
+        $files = (array)$options['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);
+            }
+            $file = realpath($file);
+            if (file_exists($file)) {
+                $sources[] = new Minify_Source(array(
+                    'filepath' => $file
+                ));    
+            } else {
+                // file not found
+                return $options;
+            }
+        }
+        if ($sources) {
+            $this->sources = $sources;
+        }
+        return $options;
+    }
+}
+

www/include/minify/lib/Minify/Controller/Groups.php

@@ -0,0 +1,85 @@
+<?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
+            return $options;
+        }
+        $sources = array();
+        foreach ((array)$groups[$pi] 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 (file_exists($file)) {
+                $sources[] = new Minify_Source(array(
+                    'filepath' => $file
+                ));    
+            } else {
+                // file doesn't exist
+                return $options;
+            }
+        }
+        if ($sources) {
+            $this->sources = $sources;
+        }
+        return $options;
+    }
+}
+

www/include/minify/lib/Minify/Controller/MinApp.php

@@ -0,0 +1,116 @@
+<?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']])) {
+                return $options;
+            }
+            foreach ((array)$cOptions['groups'][$_GET['g']] 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 {
+                    // file doesn't exist
+                    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'])
+            ) {
+                return $options;
+            }
+            $files = explode(',', $_GET['f']);
+            if (count($files) > $cOptions['maxFiles'] || $files != array_unique($files)) {
+                // too many or duplicate files
+                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 {
+                    return $options;
+                }
+            } else {
+                $base = '/';
+            }
+            $allowDirs = array();
+            foreach ((array)$cOptions['allowDirs'] as $allowDir) {
+                $allowDirs[] = realpath(str_replace('//', $_SERVER['DOCUMENT_ROOT'] . '/', $allowDir));
+            }
+            foreach ($files as $file) {
+                $file = realpath($_SERVER['DOCUMENT_ROOT'] . $base . $file);
+                // don't allow unsafe or duplicate files
+                if (parent::_fileIsSafe($file, $allowDirs)) {
+                    $sources[] = new Minify_Source(array(
+                        'filepath' => $file
+                    ));
+                } else {
+                    // unsafe file
+                    return $options;
+                }
+            }
+        }
+        if ($sources) {
+            $this->sources = $sources;
+        }
+        return $options;
+    }
+}

www/include/minify/lib/Minify/Controller/Page.php

@@ -0,0 +1,85 @@
+<?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('Minify_Javascript', 'minify')
+            );
+            $this->_loadCssJsMinifiers = true;
+            unset($options['minifyAll']);
+        }
+        $this->sources[] = new Minify_Source($sourceSpec);
+        
+        // may not be needed
+        //$options['minifier'] = array('Minify_HTML', 'minify');
+        
+        $options['contentType'] = Minify::TYPE_HTML;
+        return $options;
+    }
+    
+    protected $_loadCssJsMinifiers = false;
+    
+    /**
+     * @see Minify_Controller_Base::loadMinifier()
+     */
+    public function loadMinifier($minifierCallback)
+    {
+        if ($this->_loadCssJsMinifiers) {
+            // Minify will not call for these so we must manually load
+            // them when Minify/HTML.php is called for.
+            require 'Minify/CSS.php';
+            require 'Minify/Javascript.php';
+        }
+        parent::loadMinifier($minifierCallback); // load Minify/HTML.php
+    }
+}
+

www/include/minify/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);
+            }
+        }
+    }
+}
+

www/include/minify/lib/Minify/HTML.php

@@ -0,0 +1,211 @@
+<?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, $options = array()) {
+        
+        if (isset($options['cssMinifier'])) {
+            self::$_cssMinifier = $options['cssMinifier'];
+        }
+        if (isset($options['jsMinifier'])) {
+            self::$_jsMinifier = $options['jsMinifier'];
+        }
+        
+        $html = str_replace("\r\n", "\n", trim($html));
+        
+        self::$_isXhtml = (
+            isset($options['xhtml'])
+                ? (bool)$options['xhtml']
+                : (false !== strpos($html, '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML'))
+        );
+        
+        self::$_replacementHash = 'MINIFYHTML' . md5(time());
+        self::$_placeholders = array();
+        
+        // replace SCRIPTs (and minify) with placeholders
+        $html = preg_replace_callback(
+            '/\\s*(<script\\b[^>]*?>)([\\s\\S]*?)<\\/script>\\s*/i'
+            ,array('Minify_HTML', '_removeScriptCB')
+            ,$html);
+        
+        // replace STYLEs (and minify) with placeholders
+        $html = preg_replace_callback(
+            '/\\s*(<style\\b[^>]*?>)([\\s\\S]*?)<\\/style>\\s*/i'
+            ,array('Minify_HTML', '_removeStyleCB')
+            ,$html);
+        
+        // remove HTML comments (not containing IE conditional comments).
+        $html = preg_replace_callback(
+            '/<!--([\\s\\S]*?)-->/'
+            ,array('Minify_HTML', '_commentCB')
+            ,$html);
+        
+        // replace PREs with placeholders
+        $html = preg_replace_callback('/\\s*(<pre\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i'
+            ,array('Minify_HTML', '_removePreCB')
+            , $html);
+        
+        // replace TEXTAREAs with placeholders
+        $html = preg_replace_callback(
+            '/\\s*(<textarea\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i'
+            ,array('Minify_HTML', '_removeTaCB')
+            , $html);
+        
+        // trim each line.
+        // @todo take into account attribute values that span multiple lines.
+        $html = preg_replace('/^\\s+|\\s+$/m', '', $html);
+        
+        // remove ws around block/undisplayed elements
+        $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', $html);
+        
+        // remove ws outside of all elements
+        $html = preg_replace_callback(
+            '/>([^<]+)</'
+            ,array('Minify_HTML', '_outsideTagCB')
+            ,$html);
+        
+        // use newlines before 1st attribute in open tags (to limit line lengths)
+        $html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "$1\n$2", $html);
+        
+        // fill placeholders
+        $html = str_replace(
+            array_keys(self::$_placeholders)
+            ,array_values(self::$_placeholders)
+            ,$html
+        );
+        self::$_placeholders = array();
+        
+        self::$_cssMinifier = self::$_jsMinifier = null;
+        return $html;
+    }
+    
+    protected static function _commentCB($m)
+    {
+        return (0 === strpos($m[1], '[') || false !== strpos($m[1], '<!['))
+            ? $m[0]
+            : '';
+    }
+    
+    protected static function _reservePlace($content)
+    {
+        $placeholder = '%' . self::$_replacementHash . count(self::$_placeholders) . '%';
+        self::$_placeholders[$placeholder] = $content;
+        return $placeholder;
+    }
+
+    protected static $_isXhtml = false;
+    protected static $_replacementHash = null;
+    protected static $_placeholders = array();
+    protected static $_cssMinifier = null;
+    protected static $_jsMinifier = null;
+
+    protected static function _outsideTagCB($m)
+    {
+        return '>' . preg_replace('/^\\s+|\\s+$/', ' ', $m[1]) . '<';
+    }
+    
+    protected static function _removePreCB($m)
+    {
+        return self::_reservePlace($m[1]);
+    }
+    
+    protected static function _removeTaCB($m)
+    {
+        return self::_reservePlace($m[1]);
+    }
+
+    protected static function _removeStyleCB($m)
+    {
+        $openStyle = $m[1];
+        $css = $m[2];
+        // remove HTML comments
+        $css = preg_replace('/(?:^\\s*<!--|-->\\s*$)/', '', $css);
+        
+        // remove CDATA section markers
+        $css = self::_removeCdata($css);
+        
+        // minify
+        $minifier = self::$_cssMinifier
+            ? self::$_cssMinifier
+            : 'trim';
+        $css = call_user_func($minifier, $css);
+        
+        return self::_reservePlace(self::_needsCdata($css)
+            ? "{$openStyle}/*<![CDATA[*/{$css}/*]]>*/</style>"
+            : "{$openStyle}{$css}</style>"
+        );
+    }
+
+    protected static function _removeScriptCB($m)
+    {
+        $openScript = $m[1];
+        $js = $m[2];
+        
+        // remove HTML comments (and ending "//" if present)
+        $js = preg_replace('/(?:^\\s*<!--\\s*|\\s*(?:\\/\\/)?\\s*-->\\s*$)/', '', $js);
+            
+        // remove CDATA section markers
+        $js = self::_removeCdata($js);
+        
+        // minify
+        $minifier = self::$_jsMinifier
+            ? self::$_jsMinifier
+            : 'trim'; 
+        $js = call_user_func($minifier, $js);
+        
+        return self::_reservePlace(self::_needsCdata($js)
+            ? "{$openScript}/*<![CDATA[*/{$js}/*]]>*/</script>"
+            : "{$openScript}{$js}</script>"
+        );
+    }
+
+    protected static function _removeCdata($str)
+    {
+        return (false !== strpos($str, '<![CDATA['))
+            ? str_replace(array('<![CDATA[', ']]>'), '', $str)
+            : $str;
+    }
+    
+    protected static function _needsCdata($str)
+    {
+        return (self::$_isXhtml && preg_match('/(?:[<&]|\\-\\-|\\]\\]>)/', $str));
+    }
+}

www/include/minify/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, DIRECTORY_SEPARATOR, '/');
+                // 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})";
+    }
+}

www/include/minify/lib/Minify/Javascript.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * Class Minify_Javascript  
+ * @package Minify
+ */
+
+require 'JSMin.php';
+
+/**
+ * Compress Javascript using Ryan Grove's JSMin class
+ * 
+ * @package Minify
+ * @author Stephen Clay <steve@mrclay.org>
+ */
+class Minify_Javascript {
+
+    /**
+     * Minify a Javascript string
+     * 
+     * @param string $js
+     * 
+     * @param array $options available options (none currently)
+     * 
+     * @return string 
+     */
+    public static function minify($js, $options = array()) 
+    {
+        return trim(JSMin::minify($js));    
+    }
+}
+

www/include/minify/lib/Minify/Lines.php

@@ -0,0 +1,101 @@
+<?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>
+ */
+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.
+     * 
+     * @param string $content
+     * 
+     * @param array $options available options:
+     * 
+     * 'id': (optional) string to identify file. E.g. file name/path
+     * 
+     * @return string 
+     */
+    public static function minify($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);
+        }
+        return implode("\n", $newLines) . "\n";
+    }
+    
+    /**
+     * 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 {
+                $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;
+    }
+}

www/include/minify/lib/Minify/Packer.php

@@ -0,0 +1,31 @@
+<?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 Minify_Javascript (JSMin) will provide better client-side 
+ * performance, as they need not be unpacked in client-side code.
+ * 
+ * @package Minify  
+ */
+
+require 'class.JavaScriptPacker.php';
+
+/**
+ * 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());
+    }
+}

www/include/minify/lib/Minify/Source.php

@@ -0,0 +1,177 @@
+<?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;
+    
+    /**
+     * 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);
+            }
+            $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['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));
+    }
+    
+    /**
+     * Guess content type from the first filename extension available
+     * 
+     * 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)
+    {
+        $exts = array(
+            'css' => Minify::TYPE_CSS
+            ,'js' => Minify::TYPE_JS
+            ,'html' => Minify::TYPE_HTML
+        );
+        foreach ($sources as $source) {
+            if (null !== $source->filepath) {
+                $segments = explode('.', $source->filepath);
+                $ext = array_pop($segments);
+                if (isset($exts[$ext])) {
+                    return $exts[$ext];
+                }
+            }
+        }
+        return 'text/plain';
+    }
+    
+    protected $_content = null;
+    protected $_getContentFunc = null;
+    protected $_id = null;
+}
+

www/include/minify/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.');
+        }
+    }
+}
+