mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-12-24 01:01:53 +00:00
1ab3ae160a
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@88 48356398-32a2-884e-a903-53898d9a118a
70 lines
1.8 KiB
PHP
70 lines
1.8 KiB
PHP
<?php
|
|
|
|
// all objects here are immutable
|
|
|
|
class HTMLPurifier_Token {} // abstract
|
|
|
|
class HTMLPurifier_Token_Tag extends HTMLPurifier_Token // abstract
|
|
{
|
|
var $is_tag = true;
|
|
var $name;
|
|
function HTMLPurifier_Token_Tag($name) {
|
|
// watch out, actually XML is case-sensitive, while HTML
|
|
// is case insensitive, which means we can't use this for XML
|
|
$this->name = strtolower($name); // for some reason, the SAX parser
|
|
// uses uppercase. Investigate?
|
|
}
|
|
}
|
|
|
|
// a rich tag has attributes
|
|
class HTMLPurifier_Token_RichTag extends HTMLPurifier_Token_Tag // abstract
|
|
{
|
|
var $attributes = array();
|
|
function HTMLPurifier_Token_RichTag($name, $attributes = array()) {
|
|
$this->HTMLPurifier_Token_Tag($name);
|
|
$this->attributes = $attributes;
|
|
}
|
|
}
|
|
|
|
// start CONCRETE ones
|
|
|
|
class HTMLPurifier_Token_Start extends HTMLPurifier_Token_RichTag
|
|
{
|
|
var $type = 'start';
|
|
}
|
|
|
|
class HTMLPurifier_Token_Empty extends HTMLPurifier_Token_RichTag
|
|
{
|
|
var $type = 'empty';
|
|
}
|
|
|
|
class HTMLPurifier_Token_End extends HTMLPurifier_Token_Tag
|
|
{
|
|
var $type = 'end';
|
|
}
|
|
|
|
class HTMLPurifier_Token_Text extends HTMLPurifier_Token
|
|
{
|
|
var $name = '#PCDATA';
|
|
var $type = 'text';
|
|
var $data;
|
|
var $is_whitespace = false;
|
|
function HTMLPurifier_Token_Text($data) {
|
|
$this->data = $data;
|
|
if (trim($data, " \n\r\t") === '') $this->is_whitespace = true;
|
|
}
|
|
function append($text) {
|
|
return new HTMLPurifier_Token_Text($this->data . $text->data);
|
|
}
|
|
}
|
|
|
|
class HTMLPurifier_Token_Comment extends HTMLPurifier_Token
|
|
{
|
|
var $data;
|
|
var $type = 'comment';
|
|
function HTMLPurifier_Token_Comment($data) {
|
|
$this->data = $data;
|
|
}
|
|
}
|
|
|
|
?>
|