56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/*
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* Copyright 2003-2021 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_PAGE_HXX
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#define MPD_PAGE_HXX
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#include "util/AllocatedArray.hxx"
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#include <cstddef>
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#include <cstdint>
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#include <memory>
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/**
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* A dynamically allocated buffer. It is used to pass
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* reference-counted buffers around (using std::shared_ptr), when
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* several instances hold references to one buffer.
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*/
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class Page {
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AllocatedArray<uint8_t> buffer;
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public:
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explicit Page(size_t _size) noexcept:buffer(_size) {}
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explicit Page(AllocatedArray<uint8_t> &&_buffer) noexcept
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:buffer(std::move(_buffer)) {}
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Page(const void *data, size_t size) noexcept;
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size_t GetSize() const noexcept {
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return buffer.size();
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}
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const uint8_t *GetData() const noexcept {
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return &buffer.front();
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}
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};
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typedef std::shared_ptr<Page> PagePtr;
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#endif
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