1: <?php
2:
3: /**
4: * Abstract class of a tag token (start, end or empty), and its behavior.
5: */
6: class HTMLPurifier_Token_Tag extends HTMLPurifier_Token
7: {
8: /**
9: * Static bool marker that indicates the class is a tag.
10: *
11: * This allows us to check objects with <tt>!empty($obj->is_tag)</tt>
12: * without having to use a function call <tt>is_a()</tt>.
13: */
14: public $is_tag = true;
15:
16: /**
17: * The lower-case name of the tag, like 'a', 'b' or 'blockquote'.
18: *
19: * @note Strictly speaking, XML tags are case sensitive, so we shouldn't
20: * be lower-casing them, but these tokens cater to HTML tags, which are
21: * insensitive.
22: */
23: public $name;
24:
25: /**
26: * Associative array of the tag's attributes.
27: */
28: public $attr = array();
29:
30: /**
31: * Non-overloaded constructor, which lower-cases passed tag name.
32: *
33: * @param $name String name.
34: * @param $attr Associative array of attributes.
35: */
36: public function __construct($name, $attr = array(), $line = null, $col = null, $armor = array()) {
37: $this->name = ctype_lower($name) ? $name : strtolower($name);
38: foreach ($attr as $key => $value) {
39: // normalization only necessary when key is not lowercase
40: if (!ctype_lower($key)) {
41: $new_key = strtolower($key);
42: if (!isset($attr[$new_key])) {
43: $attr[$new_key] = $attr[$key];
44: }
45: if ($new_key !== $key) {
46: unset($attr[$key]);
47: }
48: }
49: }
50: $this->attr = $attr;
51: $this->line = $line;
52: $this->col = $col;
53: $this->armor = $armor;
54: }
55: }
56:
57: // vim: et sw=4 sts=4
58: