2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * @file scoped_fclose.h
18 * @author Piotr Marcinkiewicz (p.marcinkiew@samsung.com)
20 * @brief This file is the implementation file of scoped fclose RAII
22 #ifndef WRT_ENGINE_SRC_COMMON_SCOPED_GPOINTER_H
23 #define WRT_ENGINE_SRC_COMMON_SCOPED_GPOINTER_H
26 #include <glib-object.h>
28 #include <dpl/scoped_resource.h>
29 #include <dpl/assert.h>
32 struct ScopedGPointerPolicy
34 typedef gpointer Type;
35 static Type NullValue()
39 static void Destroy(Type pointer)
41 if (pointer != NULL) {
42 g_object_unref(pointer);
47 template <typename Class>
48 class ScopedGPointer : public DPL::ScopedResource<ScopedGPointerPolicy>
50 typedef ScopedGPointerPolicy Policy;
51 typedef DPL::ScopedResource<Policy> BaseType;
54 explicit ScopedGPointer(typename Policy::Type pointer =
55 Policy::NullValue()) :
60 Class *operator->() const throw()
62 Assert(this->m_value != Policy::NullValue() &&
63 "Dereference of scoped NULL pointer!");
64 return static_cast<Class *>(this->m_value);
67 Class & operator *() const throw()
69 Assert(this->m_value != Policy::NullValue() &&
70 "Dereference of scoped NULL pointer!");
71 return *static_cast<Class *>(this->m_value);
76 #endif // WRT_ENGINE_SRC_COMMON_SCOPED_GPOINTER_H