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CTBlineStream.hxx

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#ifndef _CTBlineStream_HXX
#define _CTBlineStream_HXX 1

/*----------------------------------------------------------------------------*/
/* C Tool Box: Designed and implemented by:                                   */
/*    Walter F.J. Mueller   Gesellschaft fuer Schwerionenforschung (GSI)      */
/*                          Planckstrasse 1, D-64291 Darmstadt, Germany       */
/*                  Email:  W.F.J.Mueller@gsi.de                              */
/*                  WWW:    http://www-kp3.gsi.de/www/kp3/people/mueller.html */
/*------------------------------------------+---------------------------------*/

#include "CTBstring.hxx"

class CTBlineStream {

  public: 
                    CTBlineStream();
                    ~CTBlineStream();

    bool            Open(const char* c_name);
    void            Attach(istream* p_is);
    void            Close();

    bool            Get(CTBstring& line);
    bool            Get(const char*& c_line);
    bool            Unget();

                    operator bool();

    CTBlineStream&  operator>>(CTBstring& line);
    CTBlineStream&  operator>>(const char*& c_line);

  private: 

    bool            Get();                  // get next line

  private: 

    istream*        mp_is;                  // stream pointer
    bool            mb_attached;            // true if Attach() was called
    bool            mb_valid_line;          // true if m_line contents valid
    bool            mb_reread_line;         // true after a valid Unget()
    CTBstring       m_line;                 // current line

};

#if !(defined(CTB__OutLine) || defined(CTBlineStream__OutLine))
#include "CTBlineStream.icc"
#endif

#endif

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