Exception.h

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//-*****************************************************************************
//
// Copyright (c) 2009-2011,
//  Sony Pictures Imageworks Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
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//-*****************************************************************************
 
//-*****************************************************************************
//-*****************************************************************************
 
#ifndef Alembic_Util_Exception_h
#define Alembic_Util_Exception_h
 
#include <Alembic/Util/Foundation.h>

namespace Alembic {
namespace Util {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
class Exception : public std::string, public std::exception
{
public:
    Exception() throw() : std::string( "" ), std::exception() {}

    explicit Exception( const std::string &str ) throw()
      : std::string( str ), std::exception() {}

    Exception( const Exception &exc ) throw()
      : std::string( exc.c_str() ), std::exception() {}

    virtual ~Exception() throw() {}

    virtual const char *what() const throw() { return c_str(); }
};
 
//-*****************************************************************************
 
#define ABC_THROW( TEXT )                             \
do                                                    \
{                                                     \
    std::stringstream sstr;                           \
    sstr << TEXT;                                     \
    Alembic::Util::Exception exc( sstr.str() );       \
    throw( exc );                                     \
}                                                     \
while( 0 )
 
//-*****************************************************************************
#define ALEMBIC_THROW( TEXT ) ABC_THROW( TEXT )
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace Util
} // End namespace Alembic
 
#endif