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40 lines
901 B
40 lines
901 B
#ifndef _OrQuery_h_
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#define _OrQuery_h_
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//
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// OrQuery.h
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//
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// OrQuery: an operator query that merges all the results of its operands
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// i.e. does 'or' combination
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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: OrQuery.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 OrQuery : public OperatorQuery
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{
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public:
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private:
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// evaluate operands and join results
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ResultList *Evaluate();
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// create a union of the operand results
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ResultList *Union(const ResultList &longer, const List &shorter);
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String OperatorString() const { return String("or"); }
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};
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#endif
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