<?php
/**
* Super-class for definition datatype objects, implements serialization
* functions for the class.
*/
abstract class HTMLPurifier_Definition
{
/**
* Has setup() been called yet?
*/
public $setup = false;
/**
* If true, write out the final definition object to the cache after
* setup. This will be true only if all invocations to get a raw
* definition object are also optimized. This does not cause file
* system thrashing because on subsequent calls the cached object
* is used and any writes to the raw definition object are short
* circuited. See enduser-customize.html for the high-level
* picture.
*/
public $optimized = null;
/**
* What type of definition is it?
*/
public $type;
/**
* Sets up the definition object into the final form, something
* not done by the constructor
* @param $config HTMLPurifier_Config instance
*/
abstract protected function doSetup($config);
/**
* Setup function that aborts if already setup
* @param $config HTMLPurifier_Config instance
*/
public function setup($config) {
if ($this->setup) return;
$this->setup = true;
$this->doSetup($config);
}
}
// vim: et sw=4 sts=4
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