From f45a286b8d62f710b519a98c7d4b75a0c34d5d10 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.org.ru>
Date: Mon, 22 Jun 2009 13:56:49 +0400
Subject: strip_tags_long: use htmlpurifier to properly reformat html content

---
 .../library/HTMLPurifier/IDAccumulator.php         | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100755 lib/htmlpurifier/library/HTMLPurifier/IDAccumulator.php

(limited to 'lib/htmlpurifier/library/HTMLPurifier/IDAccumulator.php')

diff --git a/lib/htmlpurifier/library/HTMLPurifier/IDAccumulator.php b/lib/htmlpurifier/library/HTMLPurifier/IDAccumulator.php
new file mode 100755
index 000000000..d546cd751
--- /dev/null
+++ b/lib/htmlpurifier/library/HTMLPurifier/IDAccumulator.php
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * Component of HTMLPurifier_AttrContext that accumulates IDs to prevent dupes
+ * @note In Slashdot-speak, dupe means duplicate.
+ * @note The default constructor does not accept $config or $context objects:
+ *       use must use the static build() factory method to perform initialization.
+ */
+class HTMLPurifier_IDAccumulator
+{
+
+    /**
+     * Lookup table of IDs we've accumulated.
+     * @public
+     */
+    public $ids = array();
+
+    /**
+     * Builds an IDAccumulator, also initializing the default blacklist
+     * @param $config Instance of HTMLPurifier_Config
+     * @param $context Instance of HTMLPurifier_Context
+     * @return Fully initialized HTMLPurifier_IDAccumulator
+     */
+    public static function build($config, $context) {
+        $id_accumulator = new HTMLPurifier_IDAccumulator();
+        $id_accumulator->load($config->get('Attr', 'IDBlacklist'));
+        return $id_accumulator;
+    }
+
+    /**
+     * Add an ID to the lookup table.
+     * @param $id ID to be added.
+     * @return Bool status, true if success, false if there's a dupe
+     */
+    public function add($id) {
+        if (isset($this->ids[$id])) return false;
+        return $this->ids[$id] = true;
+    }
+
+    /**
+     * Load a list of IDs into the lookup table
+     * @param $array_of_ids Array of IDs to load
+     * @note This function doesn't care about duplicates
+     */
+    public function load($array_of_ids) {
+        foreach ($array_of_ids as $id) {
+            $this->ids[$id] = true;
+        }
+    }
+
+}
+
+// vim: et sw=4 sts=4
-- 
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