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Created: Thu, Sep 25, 11:50 PM

url_processor.php
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	<?php
	/**
	* @version $Id: url_processor.php 15165 2012-03-09 10:24:24Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	abstract class kUrlProcessor extends kBase {

	/**
	* Reference to kUrlProcessor class instance
	*
	* @var kUrlManager
	*/
	protected $manager = null;

	public function __construct(&$manager)
	{
	parent::__construct();

	$this->setManager($manager);
	}

	/**
	* Sets reference to url manager
	*
	* @param kUrlManager $manager
	* @return void
	* @access public
	*/
	public function setManager(&$manager)
	{
	$this->manager =& $manager;
	}

	/**
	* Returns sorted array of passed prefixes (to build url from)
	*
	* @param string $pass
	* @return Array
	* @access protected
	*/
	protected function getPassInfo($pass = 'all')
	{
	if ( !$pass ) {
	$pass = 'all';
	}

	$pass = trim(
	preg_replace(
	'/(?<=,\|\\A)all(?=,\|\\z)/',
	trim($this->Application->GetVar('passed'), ','),
	trim($pass, ',')
	),
	',');

	if ( !$pass ) {
	return Array ();
	}

	$pass_info = array_unique(explode(',', $pass)); // array( prefix[.special], prefix[.special] ...

	// we need to keep that sorting despite the sorting below, because this sorts prefixes with same priority by name
	sort($pass_info, SORT_STRING); // to be prefix1,prefix1.special1,prefix1.special2,prefix3.specialX

	foreach ($pass_info as $prefix) {
	list ($prefix_only,) = explode('.', $prefix, 2);
	$sorted[$prefix] = $this->Application->getUnitOption($prefix_only, 'RewritePriority', 0);
	}

	asort($sorted, SORT_NUMERIC);
	$pass_info = array_keys($sorted);

	// ensure that "m" prefix is at the beginning
	$main_index = array_search('m', $pass_info);
	if ( $main_index !== false ) {
	unset($pass_info[$main_index]);
	array_unshift($pass_info, 'm');
	}

	return $pass_info;
	}

	/**
	* Builds url
	*
	* @param string $t
	* @param Array $params
	* @param string $pass
	* @param bool $pass_events
	* @param bool $env_var
	* @return string
	* @access public
	*/
	abstract public function build($t, $params, $pass='all', $pass_events = false, $env_var = true);

	/**
	* Parses given string into a set of variables
	*
	* @abstract
	* @param string $string
	* @param string $pass_name
	* @return Array
	* @access public
	*/
	abstract public function parse($string, $pass_name = 'passed');

	/**
	* Builds env part that corresponds prefix passed
	*
	* @param string $prefix_special item's prefix & [special]
	* @param Array $params url params
	* @param bool $pass_events
	* @return string
	* @access protected
	*/
	abstract protected function BuildModuleEnv($prefix_special, &$params, $pass_events = false);
	}

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