[FrameworkBundle] Allow configuring the default base URI with a DSN

Author: nicolas-grekas

CHANGELOG.md

@@ -12,6 +12,7 @@ CHANGELOG
  * added `ExpressionLanguageProvider` to expose extra functions to route conditions
  * added support for a `stateless` keyword for configuring route stateless in PHP, YAML and XML configurations.
  * added the "hosts" option to be able to configure the host per locale.
+ * added `RequestContext::fromUri()` to ease building the default context
 
 5.0.0
 -----

RequestContext.php

@@ -45,6 +45,23 @@ public function __construct(string $baseUrl = '', string $method = 'GET', string
         $this->setQueryString($queryString);
     }
 
+    public static function fromUri(string $uri, string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443): self
+    {
+        $uri = parse_url($uri);
+        $scheme = $uri['scheme'] ?? $scheme;
+        $host = $uri['host'] ?? $host;
+
+        if (isset($uri['port'])) {
+            if ('http' === $scheme) {
+                $httpPort = $uri['port'];
+            } elseif ('https' === $scheme) {
+                $httpsPort = $uri['port'];
+            }
+        }
+
+        return new self($uri['path'] ?? '', 'GET', $host, $scheme, $httpPort, $httpsPort);
+    }
+
     /**
      * Updates the RequestContext information based on a HttpFoundation Request.
      *