cenum.h

//==========================================================================
//  CENUM.H - part of
//
//                     OMNeT++/OMNEST
//            Discrete System Simulation in C++
//
//
//  Declaration of the following classes:
//    cEnum : effective integer-to-string mapping
//
//==========================================================================

/*--------------------------------------------------------------*
  Copyright (C) 1992-2008 Andras Varga
  Copyright (C) 2006-2008 OpenSim Ltd.

  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/

#ifndef __CENUM_H
#define __CENUM_H

#include "cownedobject.h"

NAMESPACE_BEGIN

#define Register_Enum(NAME, VALUES)  \
    EXECUTE_ON_STARTUP(enums.getInstance()->add((new cEnum(#NAME))->registerNames(#VALUES)->registerValues VALUES))

class SIM_API cEnum : public cOwnedObject
{
  private:
     std::map<int,std::string> valueToNameMap;
     std::map<std::string,int> nameToValueMap;
     std::vector<std::string> tmpNames;

  private:
     void copy(const cEnum& other);

  public:
    // internal: helper for the Register_Enum() macro
    cEnum *registerNames(const char *nameList);
    // internal: helper for the Register_Enum() macro
    cEnum *registerValues(int first, ...);

  public:
    explicit cEnum(const char *name=NULL);

    cEnum(const char *name, const char *str, ...);

    cEnum(const cEnum& cenum);

    virtual ~cEnum();

    cEnum& operator=(const cEnum& list);


    virtual cEnum *dup() const  {return new cEnum(*this);}

    virtual std::string info() const;

    void insert(int value, const char *name);

    const char *getStringFor(int value);

    int lookup(const char *name, int fallback=-1);

    std::string str() const;

    static cEnum *find(const char *name);

    static cEnum *get(const char *name);
};

NAMESPACE_END


#endif