--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/RestApi/RestApiHierarchy.h	Mon Jun 30 13:17:49 2014 +0200
@@ -0,0 +1,178 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "RestApi.h"
+
+#include <list>
+
+namespace Orthanc
+{
+  class RestApiHierarchy
+  {
+  private:
+    struct Handlers
+    {
+      typedef std::list<RestApi::GetHandler>  GetHandlers;
+      typedef std::list<RestApi::PostHandler>  PostHandlers;
+      typedef std::list<RestApi::PutHandler>  PutHandlers;
+      typedef std::list<RestApi::DeleteHandler>  DeleteHandlers;
+
+      GetHandlers  getHandlers_;
+      PostHandlers  postHandlers_;
+      PutHandlers  putHandlers_;
+      DeleteHandlers  deleteHandlers_;
+
+      bool HasGet() const
+      {
+        return getHandlers_.size() > 0;
+      }
+
+      void Register(RestApi::GetHandler handler)
+      {
+        getHandlers_.push_back(handler);
+      }
+
+      void Register(RestApi::PutHandler handler)
+      {
+        putHandlers_.push_back(handler);
+      }
+
+      void Register(RestApi::PostHandler handler)
+      {
+        postHandlers_.push_back(handler);
+      }
+
+      void Register(RestApi::DeleteHandler handler)
+      {
+        deleteHandlers_.push_back(handler);
+      }
+
+      bool IsEmpty() const;
+    };
+
+
+    typedef std::map<std::string, RestApiHierarchy*>  Children;
+    typedef bool (*ResourceCallback) (Handlers& handlers,
+                                      const UriComponents& uri,
+                                      const RestApiPath::Components& components,
+                                      const UriComponents& trailing,
+                                      void* call);
+
+    Handlers  handlers_;
+    Children  children_;
+    Children  wildcardChildren_;
+    Handlers  universalHandlers_;
+
+
+    static RestApiHierarchy& AddChild(Children& children,
+                                      const std::string& name);
+
+    static void DeleteChildren(Children& children);
+
+    template <typename Handler>
+    void RegisterInternal(const RestApiPath& path,
+                          Handler handler,
+                          size_t level);
+
+    bool LookupHandler(RestApiPath::Components& components,
+                       const UriComponents& uri,
+                       ResourceCallback callback,
+                       size_t level,
+                       void* call);
+
+    bool GetDirectory(Json::Value& result,
+                      const UriComponents& uri,
+                      size_t level);
+                     
+    static bool GetCallback(Handlers& handlers,
+                            const UriComponents& uri,
+                            const RestApiPath::Components& components,
+                            const UriComponents& trailing,
+                            void* call);
+
+    static bool PostCallback(Handlers& handlers,
+                             const UriComponents& uri,
+                             const RestApiPath::Components& components,
+                             const UriComponents& trailing,
+                             void* call);
+
+    static bool PutCallback(Handlers& handlers,
+                            const UriComponents& uri,
+                            const RestApiPath::Components& components,
+                            const UriComponents& trailing,
+                            void* call);
+
+    static bool DeleteCallback(Handlers& handlers,
+                               const UriComponents& uri,
+                               const RestApiPath::Components& components,
+                               const UriComponents& trailing,
+                               void* call);
+                       
+
+  public:
+    ~RestApiHierarchy();
+
+    void Register(const RestApiPath& path,
+                  RestApi::GetHandler handler);
+
+    void Register(const RestApiPath& path,
+                  RestApi::PutHandler handler);
+
+    void Register(const RestApiPath& path,
+                  RestApi::PostHandler handler);
+
+    void Register(const RestApiPath& path,
+                  RestApi::DeleteHandler handler);
+
+    void CreateSiteMap(Json::Value& target) const;
+
+    bool GetDirectory(Json::Value& result,
+                      const UriComponents& uri)
+    {
+      return GetDirectory(result, uri, 0);
+    }
+
+    bool Handle(RestApi::GetCall& call,
+                const UriComponents& uri);
+
+    bool Handle(RestApi::PutCall& call,
+                const UriComponents& uri);
+
+    bool Handle(RestApi::PostCall& call,
+                const UriComponents& uri);
+
+    bool Handle(RestApi::DeleteCall& call,
+                const UriComponents& uri);
+  };
+}