MemoryPool.h

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#pragma once
/*
 *  This file is part of the gobelijn software.
 *  Gobelijn 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 any later
 *  version. Gobelijn 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 details. You should have received
 *  a copy of the GNU General Public License along with the software. If not,
 *  see <http://www.gnu.org/licenses/>.
 *
 *  Copyright 2016, Jan Broeckhove.
 */
#include <cstddef>
#include <memory>

namespace Pimpl {
class MemoryPool
{
public:
        // Delete the usual constructors/assignment operators.
        MemoryPool() = delete;
        MemoryPool(const MemoryPool&) = delete;
        MemoryPool(MemoryPool&&) = delete;
        MemoryPool& operator=(const MemoryPool&) = delete;
        MemoryPool& operator=(MemoryPool&&) = delete;

        MemoryPool(size_t capacity);

        ~MemoryPool();

        template <typename T>
        T* Allocate(size_t size = 1)
        {
                return reinterpret_cast<T*>(AllocateMemory(size * sizeof(T)));
        }

private:
        char* AllocateMemory(size_t size);

        struct MemoryPoolImpl;

        std::unique_ptr<MemoryPoolImpl> m_impl;
};

} // namespace Pimpl