SwitchOption.h

/*
 *  $Id$
 *  SwitchOption class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2004-09, IRIT UPS.
 *
 *  OTAWA 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.
 *
 *  OTAWA 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 OTAWA; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef OTAWA_OPTION_SWITCHOPTION_H_
#define OTAWA_OPTION_SWITCHOPTION_H_

#include <elm/option/Manager.h>

namespace elm { namespace option {

// SwitchOption class
class SwitchOption: public Option {
public:
    SwitchOption(Manager& man, int tag ...);
    SwitchOption(const Make& make);

    inline void set(bool value) { val = value; }
    inline bool get(void) const { return val; }

    // shortcuts
    inline operator bool(void) const { return get(); }
    inline bool operator*(void) const { return get(); }
    inline SwitchOption& operator=(bool value) { set(value); return *this; }

    // overload
    virtual usage_t usage(void);
    virtual CString argDescription(void);
    virtual void process(string arg);

protected:
    virtual void configure(Manager& manager, int tag, VarArg& args);

private:
    bool val;
};

typedef SwitchOption Switch;

} } // otawa::option

#endif /* OTAWA_OPTION_SWITCHOPTION_H_ */