src/platform/Linux/GlibTypeDeleter.h

/*
 *
 *    Copyright (c) 2020 Project CHIP Authors
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

#pragma once

#include <gio/gio.h>

template <typename T, typename Deleter>
class UniquePointerReceiver
{
public:
    UniquePointerReceiver(std::unique_ptr<T, Deleter> & target) : mTarget(target) {}

    ~UniquePointerReceiver() { mTarget.reset(mValue); }

    T *& Get() { return mValue; }

private:
    std::unique_ptr<T, Deleter> & mTarget;
    T * mValue = nullptr;
};

template <typename T, typename Deleter>
UniquePointerReceiver<T, Deleter> MakeUniquePointerReceiver(std::unique_ptr<T, Deleter> & target)
{
    return UniquePointerReceiver<T, Deleter>(target);
}

struct GFree
{
    void operator()(gpointer object) { g_free(object); }
};

struct GObjectDeleter
{
    void operator()(gpointer object) { g_object_unref(object); }
};

struct GErrorDeleter
{
    void operator()(GError * object) { g_error_free(object); }
};

struct GVariantDeleter
{
    void operator()(GVariant * object) { g_variant_unref(object); }
};

struct GVariantIterDeleter
{
    void operator()(GVariantIter * object) { g_variant_iter_free(object); }
};

struct GBytesDeleter
{
    void operator()(GBytes * object) { g_bytes_unref(object); }
};