<?php
/**
 * The application selector main include file
 *
 * @author		Roland Haeder <webmaster@mxchange.org>
 * @version		0.3.0
 * @copyright	Copyright(c) 2007, 2008 Roland Haeder, this is free software
 * @license		GNU GPL 3.0 or any newer version
 * @link		http://www.mxchange.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 3 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, see <http://www.gnu.org/licenses/>.
 */

// Does the user has an application specified?
if (!empty($_GET[FrameworkConfiguration::getInstance()->readConfig("app_selector_get")])) {
	// Set the application from string
	$application = (string) $_GET[FrameworkConfiguration::getInstance()->readConfig("app_selector_get")];
} elseif (!empty($_SERVER['argv'][1])) {
	// Set the application from string
	$application = (string) $_SERVER['argv'][1];
	$app = explode("=", trim($application));
	if ($app[0] == FrameworkConfiguration::getInstance()->readConfig("app_selector_get")) {
		// Application is valid!
		$application = trim($app[1]);
	} else {
		// Invalid entry found, first must be "app"!
		$application = FrameworkConfiguration::getInstance()->readConfig("default_application");
	}
} else {
	// Set the "application selector" application
	$application = FrameworkConfiguration::getInstance()->readConfig("default_application");
}

// Secure it, by keeping out tags
$application = htmlentities(strip_tags($application), ENT_QUOTES);

// Secure it a little more with a reg.exp.
$application = preg_replace('/([^a-z_-])+/i', "", $application);

// Try to load these includes in the given order
$configAppIncludes = array(
	sprintf("class_%s", FrameworkConfiguration::getInstance()->readConfig("app_helper_class")), // The ApplicationHelper class
	"config",		// The application's own configuration
	"init",			// The application initializer
	"loader",		// The application's class loader
	"debug",		// Some debugging stuff
	"exceptions",	// The application's own exception handler
	"starter",		// The application starter (calls entryPoint(), etc.)
);

// Load them all (try only)
foreach ($configAppIncludes as $inc) {
	// Skip starter in test mode
	if (($inc == "starter") && (defined('TEST'))) {
		// Skip it here
		continue;
	}

	// Generate a FQFN for the helper class
	$fqfn = sprintf("%s%s/%s/%s%s",
		PATH,
		FrameworkConfiguration::getInstance()->readConfig("application_path"),
		$application,
		$inc,
		FrameworkConfiguration::getInstance()->readConfig("php_extension")
	);

	// Does the include file exists?
	if ((file_exists($fqfn)) && (is_file($fqfn)) && (is_readable($fqfn))) {
		// Load it
		require_once($fqfn);
	} elseif (FrameworkConfiguration::getInstance()->readConfig("verbose_level") > 0) {
		// File is missing
		trigger_error(sprintf("Cannot load application script %s! File is missing or read-protected.",
			$inc . FrameworkConfiguration::getInstance()->readConfig("php_extension")
		));
	}
}

// [EOF]
?>