<?php

/*
OneLobby
Copyright (C) 2007 Peter Goodman, Geoffrey Goodman

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

require K4_BASE_DIR . '/template/filters.php';
require K4_BASE_DIR . '/template/tags.php';

class k4Response extends FAResponse {
	function k4Response() {
		parent::FAResponse();
		
		$renderer = &$this->getRenderer();
		
		$renderer->registerTagHandler('error', new k4ErrorTag);
		$renderer->registerTagHandler('input', new k4InputTag);
		$renderer->registerTagHandler('textarea', new k4TextAreaTag);
		$renderer->registerTagHandler('cando', new k4CanDoTag);
		
		$renderer->registerTextHandler('~(images|css)/([a-z0-9_]+\.[a-z]{3}+)~i', array(&$this, 'doResourceUrl'));
		$renderer->registerTextHandler('~{@(.*?)}~', array(&$this, 'doLanguageVar'));
		$renderer->registerTextHandler('~{((?:/\$?[a-z0-9_.]*)+)/?}~i', array(&$this, 'doPathVar'));
	}
	
	function doResourceUrl($match) {
		$context = &$this->getContext();
		
		return $context->get('k4_root_url') . '/' . $match[0];
	}
	
	function doLanguageVar($match) {
		return $match[1];
	}
	
	function doPathVar($match) {
		$context = &$this->getContext();
		
		$parts = explode('/', $match[1]);
		$path = $context->get('k4_base_url');
		
		foreach ($parts as $part) {
			if ($part) {
				if ($part{0} == '$') {
					$part = $context->get(substr_utf($part, 1));
					$part = k4_us($part);
				}
				
				$path .= "/$part";
			}
		}
		
		$path .= "/";
		
		return $path;
	}
	
	function setError($field) {
		$this->assign($field . '_error', TRUE);
		$this->assign($field, '');
	}
}

?>