/**
* Constructor for the evergreen class that sets up all the necessary parts of the framework so it can run.
*
* @access public
*/
public function __construct()
{
$starttime = microtime(true);
try {
// register the autoloaders
Autoloader::register();
// setup error handling
set_error_handler(array("Config", "logError"), ini_get("error_reporting"));
// load the main config.php file
if (file_exists(Reg::get("Path.physical") . '/config/config.php')) {
include_once Reg::get("Path.physical") . '/config/config.php';
} else {
echo "You are missing the configuration file and without it Evergreen cannot run.";
exit;
}
// load the main errors.php file
if (file_exists(Reg::get("Path.physical") . '/config/errors.php')) {
include Reg::get("Path.physical") . '/config/errors.php';
}
// check if the welcome content is present and if it is show it
if (file_exists(Reg::get("Path.physical") . '/public/welcome.php')) {
// Load the welcome content
include Reg::get("Path.physical") . '/public/welcome.php';
exit;
}
// code that is run at the exit of the script
register_shutdown_function(array($this, 'shutdown'), $starttime);
// process the uri and setup the Reg variables
Config::processURI();
// wait till after all the config files are loaded before loading in the autoload files
Autoloader::loadFiles();
// build the controller class name
$load['name'] = Config::uriToClass(Reg::get("URI.working.controller"));
if (Reg::hasVal("Branch.name")) {
$load['branch'] = Config::uriToClass(Reg::get("Branch.name"));
}
$load['type'] = 'Controller';
$load = implode('_', $load);
// create an instance of the controller
$controller = new $load();
// run the _showView method in the loaded controller
$controller->_showView();
} catch (EvergreenException $e) {
// handler for the EvergreenException class
$e->processError();
} catch (Exception $e) {
// handler for general exceptions
if (Config::read("System.mode") != "development") {
echo Config::read("Error.generalErrorMessage");
exit;
} else {
echo $e;
}
}
}
/**
* Checks if a view exists by file, method, or both.
*
* @access protected
* @final
* @param array|string $args Can be either the name of the view or an array with name and controller defined
* @param string $controller The name of the controller where the view is located, if left blank assumes the current controller
* @param mixed $checkmethod Indicates whether to check if the method exists, file exists, or both
* @return boolean true if the view exists and boolean false if not
*/
protected final function _viewExists($args, $controller = "", $checkmethod = false)
{
$args = func_get_args();
if (count($args) < 1 || count($args) > 4) {
return false;
}
if (count($args) == 1 && is_array($args[0])) {
$args = $args[0];
} else {
$checkmethod = false;
if (is_bool($args[count($args) - 1]) === true || $args[count($args) - 1] == 'both') {
$checkmethod = array_pop($args);
}
$args = array_combine(array_merge(array_slice(array('name', 'controller', 'branch'), 0, count($args)), (array) 'checkmethod'), array_merge($args, (array) $checkmethod));
unset($checkmethod);
}
// call hook
Hook::call('Controller.viewExists.before', array(&$args));
if (empty($args['name'])) {
return false;
}
if (empty($args['controller'])) {
$args['controller'] = $this->params['controller'];
}
if (empty($args['branch']) && Reg::hasVal('Branch.name')) {
$args['branch'] = Reg::get('Branch.name');
}
if (!empty($args['branch']) && $args['branch'] == Reg::get('System.rootIdentifier')) {
unset($args['branch']);
}
if (!isset($args['checkmethod'])) {
$args['checkmethod'] = false;
}
if ($args['name'][0] != '_' && (!isset($this->bounceback['check']) || $this->bounceback['check'] != $args['controller']) && !in_array($args['controller'], $this->notAView)) {
if ($args['checkmethod'] === true) {
$load['name'] = Config::uriToClass(Config::fileToClass($args['controller']));
if (!empty($args['branch'])) {
$load['branch'] = Config::uriToClass(Config::fileToClass($args['branch']));
}
$load['type'] = 'Controller';
$load = implode('_', $load);
if (is_callable(array($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) && method_exists($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) {
$return = true;
} else {
$return = false;
}
} else {
$path = Reg::get("Path.physical") . ($args['branch'] ? "/branches/" . Config::uriToFile(Config::classToFile($args['branch'])) : "") . "/views/" . Config::uriToFile(Config::classToFile($args['controller'])) . "/" . Config::uriToFile(Config::methodToFile($args['name'])) . ".php";
// call hook
Hook::call('Controller.viewExists.setPath', array(&$args, &$path));
if (file_exists($path)) {
if ($args['checkmethod'] == 'both') {
$load['name'] = Config::uriToClass(Config::fileToClass($args['controller']));
if (!empty($args['branch'])) {
$load['branch'] = Config::uriToClass(Config::fileToClass($args['branch']));
}
$load['type'] = 'Controller';
$load = implode('_', $load);
if (is_callable(array($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) && method_exists($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) {
$return = true;
} else {
$return = false;
}
} else {
$return = true;
}
} else {
$return = false;
}
unset($path);
}
} else {
$return = false;
}
// call hook
Hook::call('Controller.viewExists.after', array(&$return));
return $return;
}
/**
* Loads the url for the error. If the url points to a page inside the framework the function attempts to load it and handles any errors
* or issues associated such as loading in a default error. If the url points to a page outside the framework then header location is set
* and execution is stopped.
*
* @access public
* @static
* @final
* @param string|array $url The url that should be loaded can be the url or an array in the URI.map format
*/
public function loadURL($url)
{
// call hook
Hook::call('Exception.loadURL.before', array(&$url));
if (!empty($url)) {
if (!is_array($url) && preg_match("/^(http:|https:|ftp:|ftps:)/im", $url)) {
// call hook
Hook::call('Exception.loadURL.redirect', array(&$url));
header('Location: ' . $url);
header('Connection: close');
exit;
}
if (is_array($url)) {
$url = '/' . implode('/', array_merge(Reg::get("URI.map"), $url));
}
$url = str_replace(Reg::get('Path.root'), "", $url);
$_SERVER['REQUEST_URI'] = $url;
Reg::set("URI.working", $url);
Reg::del("Branch.name");
Config::processURI();
$load['name'] = Config::uriToClass(Reg::get("URI.working.controller"));
if (Reg::hasVal("Branch.name")) {
$load['branch'] = Config::uriToClass(Reg::get("Branch.name"));
}
$load['type'] = 'Controller';
$load = implode('_', $load);
$controller = new $load();
if (!is_object($controller)) {
if (!file_exists(Reg::get("System.defaultError404"))) {
include Reg::get("System.defaultError404");
} else {
echo Reg::get("System.defaultError404");
}
} else {
try {
// call hook
Hook::call('Exception.loadURL.controller', array(&$controller));
$controller->_showView();
} catch (EvergreenException $e) {
var_dump($e);
exit;
if (Reg::get("System.mode") == "development") {
if (isset(self::$params['code'])) {
$code = self::$params['code'];
}
// call hook
Hook::call('Exception.loadURL.default', array(&$url, &$code));
switch ($code) {
case 'GEN':
if (file_exists(Reg::get("System.defaultErrorGEN"))) {
include Reg::get("System.defaultErrorGEN");
} else {
echo Reg::get("System.defaultErrorGEN");
}
break;
case 'DB':
if (file_exists(Reg::get("System.defaultErrorDB"))) {
include Reg::get("System.defaultErrorDB");
} else {
echo Reg::get("System.defaultErrorDB");
}
break;
default:
if (file_exists(Reg::get("System.defaultErrorGEN"))) {
include Reg::get("System.defaultErrorGEN");
} else {
echo Reg::get("System.defaultErrorGEN");
}
break;
}
}
}
}
} else {
if (file_exists(Reg::get("System.defaultErrorGEN"))) {
include Reg::get("System.defaultErrorGEN");
} else {
echo Reg::get("System.defaultErrorGEN");
}
}
}
