From d4949327efa15b492cab1bef3fe074290a328a17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Fri, 21 Feb 2014 15:43:14 +0100
Subject: [add] HTML Purifier added to clean code

---
 .../AttrDef/CSS/ImportantDecorator.php             | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/ImportantDecorator.php

(limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/ImportantDecorator.php')

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/ImportantDecorator.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/ImportantDecorator.php
new file mode 100644
index 00000000..f4848494
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/ImportantDecorator.php
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Decorator which enables !important to be used in CSS values.
+ */
+class HTMLPurifier_AttrDef_CSS_ImportantDecorator extends HTMLPurifier_AttrDef
+{
+    /**
+     * @type HTMLPurifier_AttrDef
+     */
+    public $def;
+    /**
+     * @type bool
+     */
+    public $allow;
+
+    /**
+     * @param HTMLPurifier_AttrDef $def Definition to wrap
+     * @param bool $allow Whether or not to allow !important
+     */
+    public function __construct($def, $allow = false)
+    {
+        $this->def = $def;
+        $this->allow = $allow;
+    }
+
+    /**
+     * Intercepts and removes !important if necessary
+     * @param string $string
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return bool|string
+     */
+    public function validate($string, $config, $context)
+    {
+        // test for ! and important tokens
+        $string = trim($string);
+        $is_important = false;
+        // :TODO: optimization: test directly for !important and ! important
+        if (strlen($string) >= 9 && substr($string, -9) === 'important') {
+            $temp = rtrim(substr($string, 0, -9));
+            // use a temp, because we might want to restore important
+            if (strlen($temp) >= 1 && substr($temp, -1) === '!') {
+                $string = rtrim(substr($temp, 0, -1));
+                $is_important = true;
+            }
+        }
+        $string = $this->def->validate($string, $config, $context);
+        if ($this->allow && $is_important) {
+            $string .= ' !important';
+        }
+        return $string;
+    }
+}
+
+// vim: et sw=4 sts=4
-- 
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