/**
* Application entry point.
*/
public static function start()
{
// hide errors
error_reporting(E_ALL);
ini_set('display_errors', 0);
// use UTC on server
date_default_timezone_set('UTC');
// error/exception Handlers
set_error_handler([__CLASS__, 'error']);
set_exception_handler([__CLASS__, 'exception']);
register_shutdown_function([__CLASS__, 'shutdown']);
// configuration
define('BRAMBLE_URL', self::get_app_url());
Stopwatch::start()->register();
Log::time('~init');
// handle request
Request::execute();
}
/**
* @param bool $rebuild
* @return RouteMap
*/
public static function instance($rebuild = false)
{
return Cache::load('routes', function () {
$lookup = [];
// todo: add support for optional centralized routes
foreach (Directory::search(BRAMBLE_DIR . '/Controllers', Directory::R_PHP, [Directory::R_HIDDEN]) as $file) {
$controller_name = sprintf('%s\\%s', BRAMBLE_NS, substr(substr($file, strlen(BRAMBLE_DIR) + 1), 0, -4));
$reflection_class = new \ReflectionClass($controller_name);
if (!$reflection_class->isAbstract()) {
$controller = new $controller_name(Request::get());
if (!$controller instanceof Controller) {
throw new \Exception('Only controllers are allowed in this directory');
}
foreach ($controller->routes() as $route) {
$route->defaults(['controller' => $controller_name]);
$route->compile($lookup);
}
}
}
return new self($lookup);
}, $rebuild);
}
public function compile(array &$lookup)
{
// escape necessary characters other than :()<>
$regex = preg_replace('`' . self::REGEX_ESCAPE . '`', '\\\\$0', $this->m_uri);
// mark parentheses as non-capturing and optional
if (strpos($regex, '(') !== false) {
$regex = str_replace('(', '(?:', $regex);
$regex = str_replace(')', ')?', $regex);
}
// match keys and replace with appropriate regexes
if (preg_match_all(sprintf('/<(?<name>%s)>/', self::REGEX_KEY_NAME), $regex, $matches, PREG_SET_ORDER)) {
foreach ($matches as $set) {
$name = $set['name'];
$key_regex = self::R_ANYTHING;
if (isset($this->m_regexes[$name])) {
$key_regex = $this->m_regexes[$name];
if ($key_regex === self::R_LITERAL) {
$key_regex = $name;
}
}
$regex = str_replace($set[0], "(?<{$name}>{$key_regex})", $regex);
}
}
// start with the lookup root
$current =& $lookup;
// find the starting literal components
$position = strspn($this->m_uri ^ $regex, "");
$similar = substr($this->m_uri, 0, $position);
if (substr($similar, -1) === '(') {
$similar = substr($similar, 0, -1);
}
if ($similar) {
// add parts to the common lookup
$similar_parts = array_filter(explode('/', $similar));
foreach ($similar_parts as $part) {
if (!isset($current[$part])) {
$current[$part] = [];
}
$current =& $current[$part];
}
}
// wrap with safe delimiter
$delimiter = '`';
if (strpos($regex, $delimiter)) {
$delimiter = "";
}
$regex = sprintf('%s^%s$%s', $delimiter, $regex, $delimiter);
// build method mask
$methods = 0;
if ($this->m_methods) {
foreach ($this->m_methods as $method) {
$methods |= Request::method_flag($method);
}
}
$compiled = new CompiledRoute($regex, $this->m_params, $this->m_actions, $methods, $this->m_method);
// add compiled route to lookup
$current[] = $compiled;
return $compiled;
}