cvalueholder.h

//==========================================================================
//   CVALUEHOLDER.H  - part of
//                     OMNeT++/OMNEST
//            Discrete System Simulation in C++
//
//==========================================================================
 
/*--------------------------------------------------------------*
  Copyright (C) 1992-2017 Andras Varga
  Copyright (C) 2006-2017 OpenSim Ltd.
 
  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/
 
#ifndef __OMNETPP_CVALUEHOLDER_H
#define __OMNETPP_CVALUEHOLDER_H
 
#include <string>
#include <vector>
#include "cvalue.h"
#include "cvaluecontainer.h"
 
 
namespace omnetpp {
 
class SIM_API cValueHolder : public cValueContainer
{
  private:
    cValue value;
 
  private:
    void copy(const cValueHolder& other);
 
  public:
 
    cValueHolder(const cValueHolder& other) : cValueContainer(other) {copy(other);}
 
    explicit cValueHolder(const char *name=nullptr) : cValueContainer(name) {}
 
    explicit cValueHolder(const char *name, const cValue& value) : cValueContainer(name), value(value) {takeValue(this->value);}
 
    virtual ~cValueHolder() {dropAndDeleteValue(value);}
 
    cValueHolder& operator=(const cValueHolder& other);
 
 
    virtual cValueHolder *dup() const override  {return new cValueHolder(*this);}
 
    virtual std::string str() const override {return value.str();}
 
    virtual void forEachChild(cVisitor* v) override;
 
    const cValue& get() const {return value;}
 
    void set(const cValue& v) {dropAndDeleteValue(value); value = v; takeValue(value);}
 
};
 
 
}  // namespace omnetpp
 
#endif