<?php

/*
+---------------------------------------------------------------------------+
| OpenX v2.4                                                                |
| ==========                                                                |
|                                                                           |
| Copyright (c) 2003-2008 OpenX Limited                                     |
| For contact details, see: http://www.openx.org/                           |
|                                                                           |
| This program is free software; you can redistribute it and/or modify      |
| it under the terms of the GNU General Public License as published by      |
| the Free Software Foundation; either version 2 of the License, or         |
| (at your option) any later version.                                       |
|                                                                           |
| This program is distributed in the hope that it will be useful,           |
| but WITHOUT ANY WARRANTY; without even the implied warranty of            |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             |
| GNU General Public License for more details.                              |
|                                                                           |
| You should have received a copy of the GNU General Public License         |
| along with this program; if not, write to the Free Software               |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA |
+---------------------------------------------------------------------------+
$Id: Channel.delivery.php 18656 2008-04-10 11:33:49Z david.keen@openx.org $
*/

/**
 * @package    MaxPlugin
 * @subpackage DeliveryLimitations
 * @author     Chris Nutting <chris@m3.net>
 */

if (!isset($GLOBALS['_MAX']['FILES']['/lib/max/Delivery/cache.php'])) {
    require_once(MAX_PATH . '/lib/max/Delivery/cache.php');
}

/**
 * Check to see if this impression contains the valid channel.
 *
 * @param string $limitation The channel limitation
 * @param string $op The operator (either '==' or '=~', or '!~')
 * @param array $aParams An array of additional parameters to be checked
 * @return boolean Whether this impression's channel passes this limitation's test.
 */
function MAX_checkSite_Channel($limitation, $op, $aParams = array())
{
	if (empty($limitation)) {
		return true;
	}

	$aLimitations = MAX_cacheGetChannelLimitations($limitation);

    // Include required deliveryLimitation files...
    if(strlen($aLimitations['acl_plugins'])) {
        $acl_plugins = explode(',', $aLimitations['acl_plugins']);
        foreach ($acl_plugins as $acl_plugin) {
            list($package, $name) = explode(':', $acl_plugin);
            require_once(MAX_PATH . "/plugins/deliveryLimitations/{$package}/{$name}.delivery.php");
        }
    }
    $result = true; // Set to true in case of error in eval
    if (!empty($aLimitations['compiledlimitation'])) {
        @eval('$result = ('.$aLimitations['compiledlimitation'].');');
    }
    //MAX_record_Channel($limitation, $result);
    $GLOBALS['_MAX']['CHANNELS'].= ($result ? $GLOBALS['_MAX']['MAX_DELIVERY_MULTIPLE_DELIMITER'].$limitation : '');
    return $result;
}

?>
