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/*
    This file is part of libkcal.
    Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/

#ifndef KCAL_EXCEPTIONS_H
#define KCAL_EXCEPTIONS_H
//
// Exception classes of libkcal.
//
// We don't use actual C++ exceptions right now. These classes are currently
// returned by an error function, but we can build upon them, when we start
// to use C++ exceptions.

#include <qstring.h>

namespace KCal {

/**
  KOrganizer exceptions base class. This is currently used as a fancy kind of error code not as an
  C++ exception.
*/
class Exception {
  public:
    /** Construct exception with descriptive message \a message. */
    Exception(const QString &message=QString::null);
    virtual ~Exception();

    /** Return descriptive message of exception. */    
    virtual QString message();
    
  protected:
    QString mMessage;
};

/** Calendar format related error class */
class ErrorFormat : public Exception {
  public:
    enum ErrorCodeFormat { LoadError, SaveError,
                           ParseErrorIcal, ParseErrorKcal,
                           NoCalendar,
                           CalVersion1,CalVersion2,
                           CalVersionUnknown,
                           Restriction };
  
    /** Create format error exception. */
    ErrorFormat(ErrorCodeFormat code,const QString &message = QString::null);
    
    /** Return format error message. */
    QString message();
    /** Return format error code. */
    ErrorCodeFormat errorCode();
    
  private:
    ErrorCodeFormat mCode;
};

}

#endif