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htmlpurifier/library/HTMLPurifier/TokenFactory.php
Edward Z. Yang ca0914789c Fix syntax error.
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@307 48356398-32a2-884e-a903-53898d9a118a
2006-08-20 21:39:22 +00:00

96 lines
2.8 KiB
PHP

<?php
require_once 'HTMLPurifier/Token.php';
/**
* Factory for token generation (PHP 5 only).
*
* @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. We may want to
* consider porting this to PHP 4 by virtue of the fact it makes the code
* easier to read. 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).
*/
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 $attribute Associative array of attributes
* @return Generated HTMLPurifier_Token_Start
*/
public function createStart($name, $attributes = array()) {
$p = clone $this->p_start;
$p->HTMLPurifier_Token_Tag($name, $attributes);
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;
$p->HTMLPurifier_Token_Tag($name);
return $p;
}
/**
* Creates a HTMLPurifier_Token_Empty.
* @param $name Tag name
* @param $attribute Associative array of attributes
* @return Generated HTMLPurifier_Token_Empty
*/
public function createEmpty($name, $attributes = array()) {
$p = clone $this->p_empty;
$p->HTMLPurifier_Token_Tag($name, $attributes);
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;
$p->HTMLPurifier_Token_Text($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;
$p->HTMLPurifier_Token_Comment($data);
return $p;
}
}
?>