<?php
/* Generic Site Classes
 * 2007/04/09 Joe Presbrey <presbrey@mit.edu>
 */

class Site {
	function Start() {}
	function Finish() {}

	function Call($MODULE, $METHOD) {
		$nCalls = 0;
		if (file_exists('site/'.$MODULE.'.php')) {
			require_once strtolower('site/'.$MODULE.'.php');
			if (class_exists($MODULE)) {
				$object = new $MODULE;
				$object->Start();
				$handlers = $object->get_handlers($METHOD);
				switch ($METHOD) {
					case 'GET':
					case 'get':
						$argv = array_merge($_COOKIE, $_FILES, $_POST, $_GET, isset($_SESSION)?$_SESSION:array()); break;
					case 'POST':
					case 'post':
					default:
						$argv = array_merge($_COOKIE, $_FILES, $_GET, $_POST, isset($_SESSION)?$_SESSION:array()); break;
				}
				foreach($handlers as $handler) {
					if (isset($argv[$handler]) &&
						is_callable($object, $handler)) {
						call_user_func_array(array($object, $handler), $argv);
						$nCalls++;
					}
				}
				if ($nCalls == 0 && is_callable($object, 'default')) {
					call_user_func_array(array($object, $handler), $argv);
					$nCalls++;
				}
				$object->Finish();
			}
		}
		return $nCalls;
	}
}

class Page {
	function Start() {}
	function Finish() {}

	function get_handlers($method) {
		$handlers = isset($this->handlers[$method]) ?
					$this->handlers[$method] :
					array('default');
		return $handlers;
		//return array_map(
		//	create_function('$a','return "_'.$method.'_".$a;'),
		//	$this->handlers[$method]);
	}
}