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/****************************************************************************
** libebml : parse EBML files, see http://embl.sourceforge.net/
**
** <file/class description>
**
** Copyright (C) 2002-2014 Moritz Bunkus. All rights reserved.
**
** This file is part of libebml.
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License as published by the Free Software Foundation; either
** version 2.1 of the License, or (at your option) any later version.
**
** This library 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
** Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with this library; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** See http://www.matroska.org/license/lgpl/ for LGPL licensing information.
**
** Contact license@matroska.org if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
/*!
\file
\version \$Id$
\author Moritz Bunkus <moritz@bunkus.org>
*/
#ifndef LIBEBML_SAFEREADIOCALLBACK_H
#define LIBEBML_SAFEREADIOCALLBACK_H
#include "EbmlBinary.h"
#include "EbmlTypes.h"
#include "IOCallback.h"
namespace libebml {
class EBML_DLL_API SafeReadIOCallback {
public:
class EBML_DLL_API EndOfStreamX {
public:
size_t mMissingBytes;
EndOfStreamX(std::size_t MissingBytes);
};
private:
IOCallback *mIO;
bool mDeleteIO;
size_t mSize;
public:
SafeReadIOCallback(IOCallback *IO, bool DeleteIO);
SafeReadIOCallback(void const *Mem, size_t Size);
SafeReadIOCallback(EbmlBinary const &Binary);
~SafeReadIOCallback();
size_t GetPosition() const;
size_t GetSize() const;
size_t GetRemainingBytes() const;
bool IsEmpty() const;
uint8 GetUInt8();
uint64 GetUIntBE(size_t NumBytes);
uint16 GetUInt16BE();
uint32 GetUInt24BE();
uint32 GetUInt32BE();
uint64 GetUInt64BE();
void Read(void *Dst, size_t Count);
void Skip(size_t Count);
void Seek(size_t Position);
private:
SafeReadIOCallback(SafeReadIOCallback const &) { }
protected:
void Init(IOCallback *IO, bool DeleteIO);
};
} // namespace libebml
#endif // LIBEBML_SAFEREADIOCALLBACK_H
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