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/*
* Copyright 2003-2018 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_PAGE_HXX
#define MPD_PAGE_HXX
#include "util/AllocatedArray.hxx"
#include <memory>
#include <stddef.h>
#include <stdint.h>
/**
* A dynamically allocated buffer which keeps track of its reference
* count. This is useful for passing buffers around, when several
* instances hold references to one buffer.
*/
class Page {
AllocatedArray<uint8_t> buffer;
public:
explicit Page(size_t _size) noexcept:buffer(_size) {}
explicit Page(AllocatedArray<uint8_t> &&_buffer) noexcept
:buffer(std::move(_buffer)) {}
Page(const void *data, size_t size) noexcept;
size_t GetSize() const noexcept {
return buffer.size();
}
const uint8_t *GetData() const noexcept {
return &buffer.front();
}
};
typedef std::shared_ptr<Page> PagePtr;
#endif
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