From d42607998482e36865c1d8a443f92a457f6b2f3b Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sat, 15 Mar 2014 15:11:12 -0300
Subject: Squashed 'mod/minify/' content from commit 5949018

git-subtree-dir: mod/minify
git-subtree-split: 594901859d5afc1fa364322428bd7a6d5c6a3f96
---
 vendors/min/lib/CSS.php | 83 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 vendors/min/lib/CSS.php

(limited to 'vendors/min/lib/CSS.php')

diff --git a/vendors/min/lib/CSS.php b/vendors/min/lib/CSS.php
new file mode 100644
index 000000000..12021e5f5
--- /dev/null
+++ b/vendors/min/lib/CSS.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Class Minify_CSS  
+ * @package Minify
+ */
+
+/**
+ * Minify CSS
+ *
+ * This class uses Minify_CSS_Compressor and Minify_CSS_UriRewriter to 
+ * minify CSS and rewrite relative URIs.
+ * 
+ * @package Minify
+ * @author Stephen Clay <steve@mrclay.org>
+ * @author http://code.google.com/u/1stvamp/ (Issue 64 patch)
+ */
+class Minify_CSS {
+    
+    /**
+     * Minify a CSS string
+     * 
+     * @param string $css
+     * 
+     * @param array $options available options:
+     * 
+     * 'preserveComments': (default true) multi-line comments that begin
+     * with "/*!" will be preserved with newlines before and after to
+     * enhance readability.
+     * 
+     * 'prependRelativePath': (default null) if given, this string will be
+     * prepended to all relative URIs in import/url declarations
+     * 
+     * 'currentDir': (default null) if given, this is assumed to be the
+     * directory of the current CSS file. Using this, minify will rewrite
+     * all relative URIs in import/url declarations to correctly point to
+     * the desired files. For this to work, the files *must* exist and be
+     * visible by the PHP process.
+     *
+     * 'symlinks': (default = array()) If the CSS file is stored in 
+     * a symlink-ed directory, provide an array of link paths to
+     * target paths, where the link paths are within the document root. Because 
+     * paths need to be normalized for this to work, use "//" to substitute 
+     * the doc root in the link paths (the array keys). E.g.:
+     * <code>
+     * array('//symlink' => '/real/target/path') // unix
+     * array('//static' => 'D:\\staticStorage')  // Windows
+     * </code>
+     * 
+     * @return string
+     */
+    public static function minify($css, $options = array()) 
+    {
+        require_once dirname(__FILE__).'/Minify/CSS/Compressor.php';
+        if (isset($options['preserveComments']) 
+            && !$options['preserveComments']) {
+            $css = Minify_CSS_Compressor::process($css, $options);
+        } else {
+            require_once 'Minify/CommentPreserver.php';
+            $css = Minify_CommentPreserver::process(
+                $css
+                ,array('Minify_CSS_Compressor', 'process')
+                ,array($options)
+            );
+        }
+        if (! isset($options['currentDir']) && ! isset($options['prependRelativePath'])) {
+            return $css;
+        }
+        require_once 'Minify/CSS/UriRewriter.php';
+        if (isset($options['currentDir'])) {
+            return Minify_CSS_UriRewriter::rewrite(
+                $css
+                ,$options['currentDir']
+                ,isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT']
+                ,isset($options['symlinks']) ? $options['symlinks'] : array()
+            );  
+        } else {
+            return Minify_CSS_UriRewriter::prepend(
+                $css
+                ,$options['prependRelativePath']
+            );
+        }
+    }
+}
-- 
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