source: XMLIO_V2/dev/dev_rv/old/attribut.hpp @ 90

#ifndef ATTRIBUT_HPP
#define ATTRIBUT_HPP

#include "base_attribut.hpp"
#include "xmlio_std.hpp"

class IStringStream_alt
{
        public : 
                IStringStream_alt(const std::string& str):iss(str)
                { /* Ne rien faire de plus */}
                
                istream& operator>> (std::string& s) {s.assign(this->iss.str()); return (this->iss);}
                istream& operator>> (int& s) { return (iss>>s); }
                istream& operator>> (bool& s)
                {
                        if(!this->iss.str().compare(string(".TRUE."))) s =  true;
                        else s = false;
                        return (this->iss);
                }
                
        private : 
                istringstream iss;
};


template <class Ctype>
   class CAttribut : public CBaseAttribut
{
  public :
  
  bool hasValue ;
  Ctype value ;

  virtual const char * getName(void) const = 0 ;
  CAttribut(void) : hasValue(false) {} ;
  CAttribut(const Ctype& value_) : value(value_), hasValue(true) {} ;
  CAttribut(const CAttribut& attr) : hasValue(attr.hasValue) 
  {
     if (hasValue) value=attr.value ;
  } ;

  CAttribut& operator = (const CAttribut & attr)
  { 
     hasValue=attr.hasValue ;
     if (hasValue) value=attr.value ;
     return *this ; 
  } ;
  
  virtual const char * getType(void) const = 0;
  
   virtual void setFromString(const std::string str) 
   {    
           IStringStream_alt iss(str); Ctype val;
           iss >> val;
       this->setValue(val);
   }    

  operator Ctype()
  {
    if (!hasValue) error("CAttribut& CAttribut<Ctype>::operator Ctype")<<"access to undefined value of attribut <<"
                                                                       <<this->getName()<<">>"<<endl;
    return value ;
  } ;

  virtual ostream& print(ostream & o) const
  {
    //o<<"Attribut : "<<getName()<<"  ---->" ;
    if (hasValue) o<< boolalpha <</*" value = "<<*/value ;
    else o<< "/" ;
    return o ;
  }

  virtual void setValue(const Ctype & value_)
  {
     hasValue=true ;
     value=value_ ;
  }

  virtual void getValue(Ctype & value_) const
  {
    if (!hasValue)  error("void CAttribut<Ctype>::getValue")<<"access to undefined value of attribut <<"
                                                               <<this->getName()<<">>"<<endl;
    value_=value ;
  }

} ;


  
#endif