/*
    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.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA  02110-1301, USA.

    ---
    Copyright (C) 2009 Alexander Rieder <alexanderrieder@gmail.com>
 */

#ifndef _REXPRESSION_H
#define _REXPRESSION_H

#include "expression.h"

class RExpression : public Cantor::Expression
{
  Q_OBJECT
  public:
    enum ServerReturnCode{SuccessCode=0, ErrorCode, InterruptedCode};
    RExpression( Cantor::Session* session);
    ~RExpression();

    void evaluate();
    void interrupt();

    void addInformation(const QString& information);
  public Q_SLOTS:
    void finished(int returnCode, const QString& text);
    void evaluationStarted();
    void showFilesAsResult(const QStringList& files);
  private:
    bool m_isHelpRequest;
};

#endif /* _REXPRESSION_H */
