staticbuffer.h

来自「Linux下比较早的基于命令行的DVD播放器」· C头文件 代码 · 共 90 行

//
// Copyright (c) 2003 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef DXR3PLAYER_STATICBUFFER_H
#define DXR3PLAYER_STATICBUFFER_H
//------------------------------------------------------------------------------

#include <cstdlib>

//------------------------------------------------------------------------------

/**
 * Buffer of a fixed size with a statically allocated area.
 */
template <size_t size>
class StaticBuffer
{
private:
    /**
     * The static data area.
     */
    unsigned char data[size];

public:
    /**
     * Get the pointer to the data.
     */
    const unsigned char* getData() const;

    /**
     * Get the data for writing.
     */
    unsigned char* getData();

    /**
     * Get the length of the data.
     */
    size_t getLength() const;
};

//------------------------------------------------------------------------------
// Template definitions
//------------------------------------------------------------------------------

template <size_t size>
inline const unsigned char* StaticBuffer<size>::getData() const
{
    return data;
}

//------------------------------------------------------------------------------

template <size_t size>
inline unsigned char* StaticBuffer<size>::getData()
{
    return data;
}

//------------------------------------------------------------------------------

template <size_t size>
inline size_t StaticBuffer<size>::getLength() const
{
    return size;
}

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_STATICBUFFER_H

// Local variables:
// mode: c++
// End: