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KernelIstreamLexer.h

Go to the documentation of this file.

#ifndef KernelIstreamLexerHEADER
#define KernelIstreamLexerHEADER

#include "DLexerBase.h"
#include "iostream"
#ifdef _USESSTREAM
#include <sstream>
#else
#include "strstream"
#endif

template <typename InputStream>
class KernelIstreamLexer : public DLGInputStream
{
protected:
   InputStream & _myInputStream ;
public:
   KernelIstreamLexer (InputStream & stream ) ;
   virtual int nextChar () ;
};

//-------------- implementation ---------------------


template<typename InputStream>
KernelIstreamLexer<InputStream>::KernelIstreamLexer(InputStream & stream) :
   _myInputStream ( stream )
{

}


template<typename InputStream>
int KernelIstreamLexer<InputStream>::nextChar()
{
   char c ;
   _myInputStream.get(c) ;
   if ( ! _myInputStream.eof() ) 
      {
         return int(c) ;
      }
   else
      {
         return EOF ;
      }
}

#endif

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