<?php
/**
 * Always needed core functionality
 */
if(!defined('PAIKIKI_BASE')) die('do not call directly');

/**
 * Get one of the core objects. Either returns an already
 * created object or creates a new one.
 *
 * @return an object reference or null on error
 * @author Andreas Gohr <gohr@cosmocode.de>
 */
function &core_object($object){
    static $objects = array();

    // if object loaded already return reference
    if($objects[$object]){
        return $objects[$object];
    }

    if(!@is_readable(PAIKIKI_BASE.'inc/core/'.$object.'.class.php')){
        die('Core object '.hsc($object).' does not exist');
    }

    require_once(PAIKIKI_BASE.'inc/core/'.$object.'.class.php');

    $objects[$object] = new $object();
    return $objects[$object];
}

/**
 * Get one of the core objects. Always returns a new one.
 *
 * @return an object reference or null on error
 * @author Andreas Gohr <gohr@cosmocode.de>
 */
function &core_factory($object){
    if(!@is_readable(PAIKIKI_BASE.'inc/core/'.$object.'.class.php')){
        die('Core object '.hsc($object).' does not exist');
    }

    require_once(PAIKIKI_BASE.'inc/core/'.$object.'.class.php');

    $obj = new $object();
    return $obj;
}


/**
 * Bootstrap Conf and DB objects
 *
 * They have some kind of circular reference, so we boot them manually
 * here.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function core_bootstrap(){
    $Conf =& core_object('Conf');
    $DB   =& core_object('DB');
    $Conf->load();

    $Login =& core_object('Login');

    if($_REQUEST['logout']){
        $Login->logout();
    }else{
        $Login->checkcookie();
    }
}

//Setup VIM: ex: et ts=4 enc=utf-8 :