From ffb1997902facb36b78a7cfa522f41f2b3d71cda Mon Sep 17 00:00:00 2001
From: Mike Macgirvin <mike@macgirvin.com>
Date: Wed, 8 Sep 2010 20:14:17 -0700
Subject: mistpark 2.0 infrasturcture lands

---
 library/HTMLPurifier/Token/Tag.php | 56 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 library/HTMLPurifier/Token/Tag.php

(limited to 'library/HTMLPurifier/Token/Tag.php')

diff --git a/library/HTMLPurifier/Token/Tag.php b/library/HTMLPurifier/Token/Tag.php
new file mode 100644
index 000000000..798be028e
--- /dev/null
+++ b/library/HTMLPurifier/Token/Tag.php
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Abstract class of a tag token (start, end or empty), and its behavior.
+ */
+class HTMLPurifier_Token_Tag extends HTMLPurifier_Token
+{
+    /**
+     * Static bool marker that indicates the class is a tag.
+     *
+     * This allows us to check objects with <tt>!empty($obj->is_tag)</tt>
+     * without having to use a function call <tt>is_a()</tt>.
+     */
+    public $is_tag = true;
+
+    /**
+     * The lower-case name of the tag, like 'a', 'b' or 'blockquote'.
+     *
+     * @note Strictly speaking, XML tags are case sensitive, so we shouldn't
+     * be lower-casing them, but these tokens cater to HTML tags, which are
+     * insensitive.
+     */
+    public $name;
+
+    /**
+     * Associative array of the tag's attributes.
+     */
+    public $attr = array();
+
+    /**
+     * Non-overloaded constructor, which lower-cases passed tag name.
+     *
+     * @param $name String name.
+     * @param $attr Associative array of attributes.
+     */
+    public function __construct($name, $attr = array(), $line = null, $col = null) {
+        $this->name = ctype_lower($name) ? $name : strtolower($name);
+        foreach ($attr as $key => $value) {
+            // normalization only necessary when key is not lowercase
+            if (!ctype_lower($key)) {
+                $new_key = strtolower($key);
+                if (!isset($attr[$new_key])) {
+                    $attr[$new_key] = $attr[$key];
+                }
+                if ($new_key !== $key) {
+                    unset($attr[$key]);
+                }
+            }
+        }
+        $this->attr = $attr;
+        $this->line = $line;
+        $this->col  = $col;
+    }
+}
+
+// vim: et sw=4 sts=4
-- 
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