<?php

$modules = array();

function getModuleList()
{
	global $MODULES_DIR;

	$mlist = array();
	
	$d = opendir($MODULES_DIR);
	while(false !== ($f = readdir($d))) {
		if($f == '.' || $f == '..') continue;
		array_push($mlist, basename($f, ".php"));
	}
	closedir($d);

	sort($mlist);

	return $mlist;
}

function loadModule($modulename)
{
	global $MODULES_DIR;
	global $modules;

	$modulefile = $MODULES_DIR . "/" . $modulename . ".php";
	if(!$modules[$modulename]) {
		if(file_exists($modulefile)) {
			include_once($modulefile);
			$module = call_user_func($modulename . "_init");
			$modules[$modulename] = $module;
		} else {
			// Module does not exist.
		}
	}
}

function loadAllModules()
{
	foreach(getModuleList() as $m) {
		loadModule($m);
	}
}

function getModuleParams($code)
{
	$params = array();
	$ps = explode(",", $code);
	foreach($ps as $p) {
		$v = explode("=", $p);
		$params[$v[0]] = $v[1];
	}
	return $params;
}

function runModule($code)
{
	global $modules;

	$str = "";

	$m = explode("?", $code);
	$module = $m[0];
	$params = getModuleParams($m[1]);

	loadModule($module);

	if($modules[$module]) {
		$str .= $modules[$module]->run($params);
	} else {
		$str .= "<p><strong>CMS ERROR: Could not find module:";
		$str .= " [[" . $modulecode . "]]</strong></p>\n";
	}
	
	return $str;
}

?>