cstringparimpl.h

//==========================================================================
//   CSTRINGPARIMPL.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_CSTRINGPARIMPL_H
#define __OMNETPP_CSTRINGPARIMPL_H
 
#include "cparimpl.h"
 
namespace omnetpp {
namespace internal {
 
class SIM_API cStringParImpl : public cParImpl
{
  protected:
    // only one of expr and val is active at a time; however, we cannot use
    // union here because std::string has constructor/destructor.
    // selector: flags & FL_ISEXPR
    cExpression *expr = nullptr;
    std::string val;
 
  private:
    void copy(const cStringParImpl& other);
 
  protected:
    void deleteOld();
 
  public:
 
    explicit cStringParImpl() {}
 
    cStringParImpl(const cStringParImpl& other) : cParImpl(other) {copy(other);}
 
    virtual ~cStringParImpl();
 
    void operator=(const cStringParImpl& otherpar);
 
 
    virtual cStringParImpl *dup() const override  {return new cStringParImpl(*this);}
 
 
    virtual void setBoolValue(bool b) override;
 
    virtual void setIntValue(intval_t l) override;
 
    virtual void setDoubleValue(double d) override;
 
    virtual void setStringValue(const char *s) override;
 
    virtual void setObjectValue(cObject *object) override;
 
    virtual void setXMLValue(cXMLElement *node) override;
 
    virtual void setExpression(cExpression *e) override;
 
 
    virtual bool boolValue(cComponent *context) const override;
 
    virtual intval_t intValue(cComponent *context) const override;
 
    virtual double doubleValue(cComponent *context) const override;
 
    virtual const char *stringValue(cComponent *context) const override;
 
    virtual std::string stdstringValue(cComponent *context) const override;
 
    virtual cObject *objectValue(cComponent *context) const override;
 
    virtual cXMLElement *xmlValue(cComponent *context) const override;
 
    virtual cExpression *getExpression() const override;
 
 
    virtual Type getType() const override;
 
    virtual bool isNumeric() const override;
 
 
    virtual void convertToConst(cComponent *context) override;
 
    virtual std::string str() const override;
 
    virtual void parse(const char *text, FileLine loc) override;
 
    virtual int compare(const cParImpl *other) const override;
};
 
}  // namespace internal
}  // namespace omnetpp
 
#endif