57 lines
1.6 KiB
PHP
57 lines
1.6 KiB
PHP
<?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
|