/**
* parse page routes
* called seperately for differing script attributes
*
* @param SimpleXMLElement $pages
* @throws ConfigException
*/
private function parsePagesSettings(\SimpleXMLElement $pages)
{
$scriptName = empty($pages->attributes()->script) ? $this->site->root_document : (string) $pages->attributes()->script;
$redirect = empty($pages->attributes()->default_redirect) ? NULL : (string) $pages->attributes()->default_redirect;
foreach ($pages->page as $page) {
$parameters = ['redirect' => $redirect];
$a = $page->attributes();
// get route id
$pageId = (string) $a->id;
if ($pageId === '') {
throw new ConfigException('Route with missing or invalid id found.');
}
// read optional controller
if (isset($a->controller)) {
// clean path delimiters, prepend leading backslash, replace slashes with backslashes, apply ucfirst to all namespaces
$namespaces = explode('\\', ltrim(str_replace('/', '\\', (string) $a->controller), '/\\'));
if (count($namespaces) && $namespaces[0]) {
$parameters['controller'] = '\\Controller\\' . implode('\\', array_map('ucfirst', $namespaces)) . 'Controller';
} else {
throw new ConfigException(sprintf("Controller string '%s' cannot be parsed.", (string) $a->controller));
}
}
// read optional controller method
if (isset($a->method)) {
$parameters['method'] = (string) $a->method;
}
// read optional controller method
if (isset($a->request_methods)) {
$allowedMethods = 'GET POST PUT DELETE';
$requestMethods = preg_split('~\\s*,\\s*~', strtoupper((string) $a->request_methods));
foreach ($requestMethods as $requestMethod) {
if (strpos($allowedMethods, $requestMethod) === -1) {
throw new ConfigException(sprintf("Invalid request method '%s' for route '%s'.", $requestMethod, $pageId));
}
}
$parameters['requestMethods'] = $requestMethods;
}
// when no path is defined page id will be used for route lookup
if (isset($a->path)) {
// initialize lookup expression
$rex = (string) $a->path;
// extract route parameters and default values
if (preg_match_all('~\\{(.*?)(=.*?)?\\}~', (string) $a->path, $matches)) {
$placeholders = [];
if (!empty($matches[1])) {
foreach ($matches[1] as $ndx => $name) {
$name = strtolower($name);
if (!empty($matches[2][$ndx])) {
$placeholders[$name] = ['name' => $name, 'default' => substr($matches[2][$ndx], 1)];
// turn this path parameter into regexp and make it optional
$rex = preg_replace('~\\/{.*?\\}~', '(?:/([^/]+))?', $rex, 1);
} else {
$placeholders[$name] = ['name' => $name];
// turn this path parameter into regexp
$rex = preg_replace('~\\{.*?\\}~', '([^/]+)', $rex, 1);
}
}
}
$parameters['placeholders'] = $placeholders;
}
$parameters['path'] = (string) $a->path;
} else {
$rex = $pageId;
}
$parameters['match'] = $rex;
if (isset($a->auth)) {
$auth = strtoupper(trim((string) $a->auth));
if (defined("vxPHP\\User\\User::AUTH_{$auth}")) {
$auth = constant("vxPHP\\User\\User::AUTH_{$auth}");
if (isset($a->auth_parameters)) {
$parameters['authParameters'] = trim((string) $a->auth_parameters);
}
} else {
$auth = -1;
}
$parameters['auth'] = $auth;
}
if (isset($this->routes[$scriptName][$pageId])) {
throw new ConfigException(sprintf("Route '%s' for script '%s' found more than once.", $pageId, $scriptName));
}
$route = new Route($pageId, $scriptName, $parameters);
$this->routes[$scriptName][$route->getRouteId()] = $route;
}
}
