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