Url: implement same URL parsing logic in C/C++ code

- Remove uses of group matching regular expression, not available on all
  build hosts,
- Parsing is faster than our old regexp engine.

Signed-off-by: Adrien Destugues <[email protected]>

- Fixes #13002
- Fixed some indentation (tabs vs space), please configure your editor
  properly.

headers/os/net/Url.h

@@ -104,7 +104,7 @@ public:
 private:
 			void				_ResetFields();
 			bool				_ContainsDelimiter(const BString& url);
-			void				_ExplodeUrlString(const BString& urlString);
+			status_t			_ExplodeUrlString(const BString& urlString);
 			BString				_MergePath(const BString& relative) const;
 			void				_SetPathUnsafe(const BString& path);