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QueryToken.h

/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
* 
* Distributable under the terms of either the Apache License (Version 2.0) or 
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
#ifndef _lucene_queryParser_QueryToken_
#define _lucene_queryParser_QueryToken_

#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif

#include "QueryParserBase.h"

CL_NS_DEF(queryParser)

      // Token class that used by QueryParser.
      class QueryToken:LUCENE_BASE
      {
      public:
            enum Types
            {
                  AND_,
                  OR,
                  NOT,
                  PLUS,
                  MINUS,
                  LPAREN,
                  RPAREN,
                  COLON,
                  CARAT,
                  QUOTED,
                  TERM,
                  SLOP,
                  FUZZY,
                  PREFIXTERM,
                  WILDTERM,
                  RANGEIN,
                  RANGEEX,
                  NUMBER,
                  EOF_,
                  UNKNOWN_
            };


        #ifdef LUCENE_TOKEN_WORD_LENGTH
            TCHAR Value[LUCENE_TOKEN_WORD_LENGTH+1];
        #else
            TCHAR* Value;
        #endif

            int32_t Start;
            int32_t End;
            QueryToken::Types Type;

            // Initializes a new instance of the Token class.
            QueryToken(TCHAR* value, const int32_t start, const int32_t end, const Types type);

            // Initializes a new instance of the Token class.
            QueryToken(TCHAR* value, const Types type);

            // Initializes a new instance of the Token class.
            QueryToken(Types type);
            
            // Initializes an empty instance of the Token class.
            QueryToken();

            ~QueryToken();
                        
            void set(TCHAR* value, const int32_t start, const int32_t end, const Types type);
            void set(TCHAR* value, const Types type);
            void set(Types type);
      };
CL_NS_END
#endif

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