/////////////////////////////////////////////////////////////////////////////// 
// Copyright (C) 2002-2019, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2019 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

#ifndef _DWFDBISW_H_
#define _DWFDBISW_H_

#include "dwfcore/InputStream.h"
#include "dwfcore/Exception.h"
#include "package/Resource.h"
#include "package/reader/PackageReader.h"

class OdStreamBuf;

class DwfDbInputStreamWrapper : public DWFCore::DWFInputStream
{
  OdStreamBuf                                *m_pStream;
  DWFToolkit::DWFPackageReader::tePackageType m_Ver;
public:
  DwfDbInputStreamWrapper(OdStreamBuf* s);
  virtual size_t available() const throw( DWFCore::DWFException );
  virtual size_t read( void*  pBuffer, size_t nBytesToRead ) throw( DWFCore::DWFException );
  virtual off_t seek( int eOrigin, off_t nOffset ) throw( DWFCore::DWFException );

  // version of DWF (6.00 = 600, 5.5 = 0.55 = 55, etc)
  //
  DWFToolkit::DWFPackageReader::tePackageType getDWFVersion( ) { return m_Ver; }
  OdStreamBuf* streamBuf() { return m_pStream; }
};

#endif // _DWFDBISW_H_