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46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
3 years ago
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#ifndef _PhraseQuery_h_
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#define _PhraseQuery_h_
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//
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// PhraseQuery.h
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//
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// PhraseQuery: an operator query that filters sequenced word matches
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//
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// Part of the ht://Dig package <http://www.htdig.org/>
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// Copyright (c) 1995-2004 The ht://Dig Group
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// For copyright details, see the file COPYING in your distribution
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// or the GNU Library General Public License (LGPL) version 2 or later
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// <http://www.gnu.org/copyleft/lgpl.html>
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//
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// $Id: PhraseQuery.h,v 1.4 2004/05/28 13:15:24 lha Exp $
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//
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#ifdef HAVE_CONFIG_H
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#include "htconfig.h"
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#endif
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#include "OperatorQuery.h"
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class PhraseQuery : public OperatorQuery
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{
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public:
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PhraseQuery() {}
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~PhraseQuery() {}
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private:
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// get results from operands and filter
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ResultList *Evaluate();
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// create a result with neighboring matches
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ResultList *Near(const ResultList &, const ResultList &);
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// merge neighboring location lists, constructing phrase locations
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List *MergeLocations(const List &, const List &);
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String OperatorString() const { return ""; }
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String GetLogicalWords() const;
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};
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#endif
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