/**
* Creates a route tree from the supplied routes.
*
* @param \Viserio\Contracts\Routing\Route[] $routes
*
* @return array
*/
public function build(array $routes) : array
{
$rootRouteData = null;
$nodes = [];
$groupedRoutes = [];
foreach ($routes as $route) {
$groupedRoutes[count($route->getSegments())][] = $route;
}
if (isset($groupedRoutes[0])) {
$rootRouteData = new MatchedRouteDataMap();
$rootRouteData->addRoute($groupedRoutes[0][0], []);
unset($groupedRoutes[0]);
}
foreach ($groupedRoutes as $segmentDepth => $group) {
$groupNodes = [];
foreach ($group as $route) {
$parameterIndexNameMap = [];
$segments = $route->getSegments();
$segmentMatcher = $this->getMatcher(array_shift($segments), $parameterIndexNameMap);
$firstSegmentHash = $segmentMatcher->getHash();
if (!isset($groupNodes[$firstSegmentHash])) {
$groupNodes[$firstSegmentHash] = new RouteTreeNode([0 => $segmentMatcher], $segmentDepth === 1 ? new MatchedRouteDataMap() : new ChildrenNodeCollection());
}
$this->addRouteToNode($groupNodes[$firstSegmentHash], $route, $segments, 1, $parameterIndexNameMap);
}
$nodes[$segmentDepth] = new ChildrenNodeCollection($groupNodes);
}
return [$rootRouteData, $nodes];
}
/**
* Compile the route http method match switch.
*
* @param object $code
* @param MatchedRouteDataMap $routeDataMap
* @param array $parameters
*/
protected function compiledRouteHttpMethodMatch($code, MatchedRouteDataMap $routeDataMap, array $parameters)
{
$code->appendLine('switch ($method) {');
++$code->indent;
foreach ($routeDataMap->getHttpMethodRouteDataMap() as $item) {
list($httpMethods, $routeData) = $item;
foreach ($httpMethods as $httpMethod) {
$code->appendLine('case ' . VarExporter::export($httpMethod) . ':');
}
++$code->indent;
$this->compileFoundRoute($code, $routeData, $parameters);
--$code->indent;
}
$code->appendLine('default:');
++$code->indent;
foreach ($routeDataMap->getAllowedHttpMethods() as $method) {
$code->appendLine('$allowedHttpMethods[] = ' . VarExporter::export($method) . ';');
}
$code->appendLine('break;');
--$code->indent;
--$code->indent;
$code->appendLine('}');
}
