From 874b8cbf002e9d8bf0ff39671e1501165016320a Mon Sep 17 00:00:00 2001
From: Michael Save <savetheinternet@tinyboard.org>
Date: Mon, 9 Apr 2012 20:52:26 +1000
Subject: inc/contrib -> inc/lib

---
 inc/lib/minify/Minify/YUI/CssCompressor.php | 171 ++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100755 inc/lib/minify/Minify/YUI/CssCompressor.php

(limited to 'inc/lib/minify/Minify/YUI/CssCompressor.php')

diff --git a/inc/lib/minify/Minify/YUI/CssCompressor.php b/inc/lib/minify/Minify/YUI/CssCompressor.php
new file mode 100755
index 00000000..ae3443d4
--- /dev/null
+++ b/inc/lib/minify/Minify/YUI/CssCompressor.php
@@ -0,0 +1,171 @@
+<?php
+/**
+ * Class Minify_YUI_CssCompressor 
+ * @package Minify
+ *
+ * YUI Compressor
+ * Author: Julien Lecomte -  http://www.julienlecomte.net/
+ * Author: Isaac Schlueter - http://foohack.com/
+ * Author: Stoyan Stefanov - http://phpied.com/
+ * Author: Steve Clay      - http://www.mrclay.org/ (PHP port)
+ * Copyright (c) 2009 Yahoo! Inc.  All rights reserved.
+ * The copyrights embodied in the content of this file are licensed
+ * by Yahoo! Inc. under the BSD (revised) open source license.
+ */
+
+/**
+ * Compress CSS (incomplete DO NOT USE)
+ * 
+ * @see https://github.com/yui/yuicompressor/blob/master/src/com/yahoo/platform/yui/compressor/CssCompressor.java
+ *
+ * @package Minify
+ */
+class Minify_YUI_CssCompressor {
+
+    /**
+     * Minify a CSS string
+     *
+     * @param string $css
+     *
+     * @return string
+     */
+    public function compress($css, $linebreakpos = 0)
+    {
+        $css = str_replace("\r\n", "\n", $css);
+
+        /**
+         * @todo comment removal
+         * @todo re-port from newer Java version
+         */
+
+        // Normalize all whitespace strings to single spaces. Easier to work with that way.
+        $css = preg_replace('@\s+@', ' ', $css);
+
+        // Make a pseudo class for the Box Model Hack
+        $css = preg_replace("@\"\\\\\"}\\\\\"\"@", "___PSEUDOCLASSBMH___", $css);
+
+        // Remove the spaces before the things that should not have spaces before them.
+        // But, be careful not to turn "p :link {...}" into "p:link{...}"
+        // Swap out any pseudo-class colons with the token, and then swap back.
+        $css = preg_replace_callback("@(^|\\})(([^\\{:])+:)+([^\\{]*\\{)@", array($this, '_removeSpacesCB'), $css);
+
+        $css = preg_replace("@\\s+([!{};:>+\\(\\)\\],])@", "$1", $css);
+        $css = str_replace("___PSEUDOCLASSCOLON___", ":", $css);
+
+        // Remove the spaces after the things that should not have spaces after them.
+        $css = preg_replace("@([!{}:;>+\\(\\[,])\\s+@", "$1", $css);
+
+        // Add the semicolon where it's missing.
+        $css = preg_replace("@([^;\\}])}@", "$1;}", $css);
+
+        // Replace 0(px,em,%) with 0.
+        $css = preg_replace("@([\\s:])(0)(px|em|%|in|cm|mm|pc|pt|ex)@", "$1$2", $css);
+
+        // Replace 0 0 0 0; with 0.
+        $css = str_replace(":0 0 0 0;", ":0;", $css);
+        $css = str_replace(":0 0 0;", ":0;", $css);
+        $css = str_replace(":0 0;", ":0;", $css);
+
+        // Replace background-position:0; with background-position:0 0;
+        $css = str_replace("background-position:0;", "background-position:0 0;", $css);
+
+        // Replace 0.6 to .6, but only when preceded by : or a white-space
+        $css = preg_replace("@(:|\\s)0+\\.(\\d+)@", "$1.$2", $css);
+
+        // Shorten colors from rgb(51,102,153) to #336699
+        // This makes it more likely that it'll get further compressed in the next step.
+        $css = preg_replace_callback("@rgb\\s*\\(\\s*([0-9,\\s]+)\\s*\\)@", array($this, '_shortenRgbCB'), $css);
+
+        // Shorten colors from #AABBCC to #ABC. Note that we want to make sure
+        // the color is not preceded by either ", " or =. Indeed, the property
+        //     filter: chroma(color="#FFFFFF");
+        // would become
+        //     filter: chroma(color="#FFF");
+        // which makes the filter break in IE.
+        $css = preg_replace_callback("@([^\"'=\\s])(\\s*)#([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])@", array($this, '_shortenHexCB'), $css);
+
+        // Remove empty rules.
+        $css = preg_replace("@[^\\}]+\\{;\\}@", "", $css);
+
+        $linebreakpos = isset($this->_options['linebreakpos'])
+            ? $this->_options['linebreakpos']
+            : 0;
+
+        if ($linebreakpos > 0) {
+            // Some source control tools don't like it when files containing lines longer
+            // than, say 8000 characters, are checked in. The linebreak option is used in
+            // that case to split long lines after a specific column.
+            $i = 0;
+            $linestartpos = 0;
+            $sb = $css;
+
+            // make sure strlen returns byte count
+            $mbIntEnc = null;
+            if (function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2)) {
+                $mbIntEnc = mb_internal_encoding();
+                mb_internal_encoding('8bit');
+            }
+            $sbLength = strlen($css);
+            while ($i < $sbLength) {
+                $c = $sb[$i++];
+                if ($c === '}' && $i - $linestartpos > $linebreakpos) {
+                    $sb = substr_replace($sb, "\n", $i, 0);
+                    $sbLength++;
+                    $linestartpos = $i;
+                }
+            }
+            $css = $sb;
+
+            // undo potential mb_encoding change
+            if ($mbIntEnc !== null) {
+                mb_internal_encoding($mbIntEnc);
+            }
+        }
+
+        // Replace the pseudo class for the Box Model Hack
+        $css = str_replace("___PSEUDOCLASSBMH___", "\"\\\\\"}\\\\\"\"", $css);
+
+        // Replace multiple semi-colons in a row by a single one
+        // See SF bug #1980989
+        $css = preg_replace("@;;+@", ";", $css);
+
+        // prevent triggering IE6 bug: http://www.crankygeek.com/ie6pebug/
+        $css = preg_replace('/:first-l(etter|ine)\\{/', ':first-l$1 {', $css);
+
+        // Trim the final string (for any leading or trailing white spaces)
+        $css = trim($css);
+
+        return $css;
+    }
+
+    protected function _removeSpacesCB($m)
+    {
+        return str_replace(':', '___PSEUDOCLASSCOLON___', $m[0]);
+    }
+
+    protected function _shortenRgbCB($m)
+    {
+        $rgbcolors = explode(',', $m[1]);
+        $hexcolor = '#';
+        for ($i = 0; $i < count($rgbcolors); $i++) {
+            $val = round($rgbcolors[$i]);
+            if ($val < 16) {
+                $hexcolor .= '0';
+            }
+            $hexcolor .= dechex($val);
+        }
+        return $hexcolor;
+    }
+
+    protected function _shortenHexCB($m)
+    {
+        // Test for AABBCC pattern
+        if ((strtolower($m[3])===strtolower($m[4])) &&
+                (strtolower($m[5])===strtolower($m[6])) &&
+                (strtolower($m[7])===strtolower($m[8]))) {
+            return $m[1] . $m[2] . "#" . $m[3] . $m[5] . $m[7];
+        } else {
+            return $m[0];
+        }
+    }
+}
\ No newline at end of file
-- 
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