/****************************************************************************

** libebml : parse EBML files, see http://embl.sourceforge.net/

**

** <file/class description>

**

** Copyright (C) 2002-2010 Steve Lhomme.  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.gnu.org/licenses/lgpl-2.1.html for LGPL licensing information.

**

** Contact license@matroska.org if any conditions of this licensing are

** not clear to you.

**

**********************************************************************/

/*!

  \file

  \version \$Id$

  \author Steve Lhomme     <robux4 @ users.sf.net>

  \author Julien Coloos  <suiryc @ users.sf.net>

*/

#ifndef LIBEBML_BINARY_H

#define LIBEBML_BINARY_H

#include <cstdlib>

#include <cstring>

#include "EbmlTypes.h"

#include "EbmlElement.h"

// ----- Added 10/15/2003 by jcsston from Zen -----

#if defined (__BORLANDC__) //Maybe other compilers?

  #include <mem.h>

#endif //__BORLANDC__

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

namespace libebml {

/*!

    \class EbmlBinary

    \brief Handle all operations on an EBML element that contains "unknown" binary data

  \todo handle fix sized elements (like UID of CodecID)

*/

class EBML_DLL_API EbmlBinary : public EbmlElement {

  public:

    EbmlBinary();

    EbmlBinary(const EbmlBinary & ElementToClone);

    ~EbmlBinary() override;

    bool ValidateSize() const override {return IsFiniteSize() && GetSize() < 0x7FFFFFFF;} // we don't mind about what's inside

    filepos_t RenderData(IOCallback & output, bool bForceRender, bool bWithDefault = false) override;

    filepos_t ReadData(IOCallback & input, ScopeMode ReadFully = SCOPE_ALL_DATA) override;

    filepos_t UpdateSize(bool bWithDefault = false, bool bForceRender = false) override;

    void SetBuffer(const binary *Buffer, const uint32 BufferSize) {

      Data = const_cast<binary *>(Buffer);

      SetSize_(BufferSize);

      SetValueIsSet();

    }

    binary *GetBuffer() const {return Data;}

    void CopyBuffer(const binary *Buffer, const uint32 BufferSize) {

      if (Data != nullptr)

        free(Data);

      Data = static_cast<binary *>(malloc(BufferSize * sizeof(binary)));

      memcpy(Data, Buffer, BufferSize);

      SetSize_(BufferSize);

      SetValueIsSet();

    }

    operator const binary &() const;

    bool IsDefaultValue() const override {

      return false;

    }

    bool operator==(const EbmlBinary & ElementToCompare) const;

#if defined(EBML_STRICT_API)

  private:

#else

  protected:

#endif

    binary *Data{nullptr}; // the binary data inside the element

};

} // namespace libebml

#endif // LIBEBML_BINARY_H