egroupware/phpgwapi/inc/htmlpurifier/library/HTMLPurifier/TokenFactory.php
Ralf Becker 8f797be836 Added HTMLPurifier (http://htmlpurifier.org/) Version 3.3.0
- can be used via html class like: 

        $clean_html = html::purify($html);

- using it now in eTemplate to remove malicious code from html:
  a) when displaying "formatted text"
  b) when "formatted text" get's input by the user
2009-05-19 17:32:06 +00:00

95 lines
2.6 KiB
PHP
Executable File

<?php
/**
* Factory for token generation.
*
* @note Doing some benchmarking indicates that the new operator is much
* slower than the clone operator (even discounting the cost of the
* constructor). This class is for that optimization.
* Other then that, there's not much point as we don't
* maintain parallel HTMLPurifier_Token hierarchies (the main reason why
* you'd want to use an abstract factory).
* @todo Port DirectLex to use this
*/
class HTMLPurifier_TokenFactory
{
/**
* Prototypes that will be cloned.
* @private
*/
// p stands for prototype
private $p_start, $p_end, $p_empty, $p_text, $p_comment;
/**
* Generates blank prototypes for cloning.
*/
public function __construct() {
$this->p_start = new HTMLPurifier_Token_Start('', array());
$this->p_end = new HTMLPurifier_Token_End('');
$this->p_empty = new HTMLPurifier_Token_Empty('', array());
$this->p_text = new HTMLPurifier_Token_Text('');
$this->p_comment= new HTMLPurifier_Token_Comment('');
}
/**
* Creates a HTMLPurifier_Token_Start.
* @param $name Tag name
* @param $attr Associative array of attributes
* @return Generated HTMLPurifier_Token_Start
*/
public function createStart($name, $attr = array()) {
$p = clone $this->p_start;
$p->__construct($name, $attr);
return $p;
}
/**
* Creates a HTMLPurifier_Token_End.
* @param $name Tag name
* @return Generated HTMLPurifier_Token_End
*/
public function createEnd($name) {
$p = clone $this->p_end;
$p->__construct($name);
return $p;
}
/**
* Creates a HTMLPurifier_Token_Empty.
* @param $name Tag name
* @param $attr Associative array of attributes
* @return Generated HTMLPurifier_Token_Empty
*/
public function createEmpty($name, $attr = array()) {
$p = clone $this->p_empty;
$p->__construct($name, $attr);
return $p;
}
/**
* Creates a HTMLPurifier_Token_Text.
* @param $data Data of text token
* @return Generated HTMLPurifier_Token_Text
*/
public function createText($data) {
$p = clone $this->p_text;
$p->__construct($data);
return $p;
}
/**
* Creates a HTMLPurifier_Token_Comment.
* @param $data Data of comment token
* @return Generated HTMLPurifier_Token_Comment
*/
public function createComment($data) {
$p = clone $this->p_comment;
$p->__construct($data);
return $p;
}
}
// vim: et sw=4 sts=4