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qwavexceptions.h

/***************************************************************************
                          Exceptions.h  -  description
                             -------------------
    begin                : Tue Dec 17 2002
    copyright            : (C) 2002 by Peter Eschler
    email                : eschler@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QwavEXCEPTIONS_H_
#define QwavEXCEPTIONS_H_


#include <exception>
#include <string>

using namespace std;

Qwav_BEGIN_NAMESPACE


//---------------------------------------------------------------------------
// Exception: QwavException
//---------------------------------------------------------------------------

class QWAV_EXPORTIMPORT QwavException : public std::exception
{

};



//---------------------------------------------------------------------------
// Exception: InvalidNrOfChannels
//---------------------------------------------------------------------------

class QWAV_EXPORTIMPORT InvalidNrOfChannels : public QwavException
{
    public:
        InvalidNrOfChannels(int _nrOfChannels)
            : nrOfChannels(_nrOfChannels) {}

        virtual const char* what() const throw() {
            return "invalid nr of channels.";
        }

        int nrOfChannels;
};



//---------------------------------------------------------------------------
// Exception: FileOpenError
//---------------------------------------------------------------------------

class QWAV_EXPORTIMPORT FileOpenError : public QwavException
{
    public:
        FileOpenError(const std::string& f) : filename(f) {}
    virtual ~FileOpenError() throw() {}
        virtual const char* what() const throw() {
            return "error opening file";
        }
    
    std::string filename;
};



//---------------------------------------------------------------------------
// Exception: FileReadError
//---------------------------------------------------------------------------

class QWAV_EXPORTIMPORT FileReadError : public QwavException
{
    public:
        FileReadError() {}
        virtual const char* what() const throw() {
            return "error reading file.";
        }
};

Qwav_END_NAMESPACE

#endif // QwavEXCEPTIONS_H_

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