Exception.H

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/*===========================================================================*/
/*
 * This file is part of libogg++ - a c++ library for the Ogg transport format
 *
 * Copyright (C) 2006, 2007, 2008 Elaine Tsiang YueLien
 *
 * libogg++ 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
 *
 *===========================================================================*/
/*===========================================================================*/
#ifndef OggException
#define OggException

#ifdef __GNUG__
#pragma interface
#endif

#include        <exception>
#include        <string>
#include        <sstream>


namespace       Ogg
{
  using std::exception;
  using std::string;
  using std::ostringstream;

  class Exception : public exception, public ostringstream
  {
  public:
    Exception(
              const     char *  nm
              ) throw()
      ;

    Exception(
              const     Exception &     ex
              ) throw()
      : exception()
    {
      str() = ex.str();
    }

    virtual
    ~Exception() throw()
    {}

    virtual
    const char* what() const throw()
    {
      return(str().c_str());
    }
  }
  ;


  class Error
  {
  private:
    Error &
    operator=(const Error &);

  public:
    enum ErrorNo
      {
        None
        ,BeyondCurrentVersion
        ,SomeStreamsIgnored
        ,PacketNonContinuation
        ,PacketContinuation
        ,NonContinuity
        ,BadGranulePosition
        ,StreamBegin
        ,StreamEnd
        ,PrematureEnd
      };

    Error &
    operator |=(ErrorNo);

    Error &
    operator |=(Error &);

    bool
    operator [](ErrorNo);

    const char *
    operator ()(ErrorNo);

  }
  ;
}
#endif

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