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C:/temp/src/j2k/DataType/Parenth.Frd/DBase.hpp

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// DBase.hpp - DBase Class Interface
// Define a data class for the String expression 
// and the current location of the char.

#ifndef __DBASE_HPP__               // Is it defined already !?
#define __DBASE_HPP__

#include "../Const.hpp"             // All the constants

class DBase {
public:
      DBase();                // Default Constructor

      DBase( int pos );          // Primary Constructor
      DBase( DBase&  db);           // Copy Constructor

      DBase&   operator=  (DBase& db);

      virtual ~DBase() { };

    const bool  operator== (DBase& db);
    const bool  operator!= (DBase& db);

    const char* string() const;

// Inline optimization
inline void DBase::display() const      // Display the DBase content
{                                       // on the Screen.
      cout << string() << endl;
}

inline friend ostream& operator<<(ostream& os, DBase& db) { 
   return os << db.string(); 
}

inline int pos()    const {
   return _pos;
}

inline int valid()  const {
   return ( _pos >= 0 );
}


private:
   int  _pos;     // Position of the current char
};

#endif  // __DBASE_HPP__

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