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CTBxmlLexer.hxx

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#ifndef _CTBxmlLexer_HXX
#define _CTBxmlLexer_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 CTBxmlLexerToken;

class CTBxmlLexer {
  public:
    enum mode { tagordata,                  
                tagattr,                    
                attrval,                    
                valsquote,                  
                valdquote                   
    };

                    CTBxmlLexer();

    void            Get(istream& is, CTBxmlLexerToken& lt);

    void            Clear();
    int             NLine() const;
    int             NColumn() const;

    void            Mode(int i_mode);
    int             Mode() const;

    void            Dump(int i_indent=0, ostream& os=cout,
                         const char* p_text=0) const;

  private:
    int             GetChar(istream& is);
    void            GetEntity(istream& is, CTBxmlLexerToken& lt);
    void            GetWhite(istream& is, CTBxmlLexerToken& lt);
    void            GetName(istream& is, CTBxmlLexerToken& lt);
  
  private:
    int             mi_mode;                
    int             mi_nline_t;             
    int             mi_ncolumn_t;           
    int             mi_nline_s;             
    int             mi_ncolumn_s;           
};

//##############################################################################

class CTBxmlLexerToken {
  public:
    enum type { invalid = -1,               
                fail,                       
                eof,                        
                tagopen,                    
                etagopen,                   
                tagclose,                   
                etagclose,                  
                comment,                    
                defopen,                    
                piopen,                     
                piclose,                    
                charref,                    
                entref,                     
                equal,                      
                squote,                     
                dquote,                     
                name,                       
                white,                      
                data                        
    };
  
                    CTBxmlLexerToken();

    int             Type() const;
    void            Type(int i_type);

    const CTBstring& Text() const;

    void            Clear();

    void            ToStream(ostream& os) const;

    void            Dump(int i_indent=0, ostream& os=cout,
                         const char* p_text=0) const;

    bool            operator!() const;

                    operator const char* () const;
                    operator CTBstring() const;

    CTBxmlLexerToken& operator=(const char* c_text);
    CTBxmlLexerToken& operator+=(char c);
    CTBxmlLexerToken& operator+=(const char* c_text);

  private:

    int             mi_type;                
    CTBstring       m_text;                 
};

 ostream& operator<<(ostream& os, const CTBxmlLexerToken& obj);

#include "CTBxmlLexer.icc"

#endif

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