65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
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/*
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* Copyright (c) 2001-2006
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2006
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* Progress Software Corporation. All rights reserved.
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* Copyright (c) 2004-2006
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* Oracle. All rights reserved.
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*
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* See the file LICENSE for redistribution information.
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*
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* $Id: FTOption.hpp,v 1.3 2006/11/01 16:37:12 jpcs Exp $
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*/
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#ifndef _FTOPTION_HPP
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#define _FTOPTION_HPP
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#include <xqilla/fulltext/FTSelection.hpp>
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#include <xqilla/fulltext/TokenInfo.hpp>
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class XQILLA_API FTOption : public FTSelection
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{
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public:
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enum FTUnit {
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WORDS,
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SENTENCES,
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PARAGRAPHS
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};
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virtual void setArgument(FTSelection *arg) = 0;
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static unsigned int tokenUnit(const TokenInfo::Ptr t, FTUnit unit)
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{
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switch(unit) {
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case WORDS:
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return t->getPosition();
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case SENTENCES:
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return t->getSentence();
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case PARAGRAPHS:
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return t->getParagraph();
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}
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return 0;
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}
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static unsigned int tokenDistance(const TokenInfo::Ptr a, const TokenInfo::Ptr b, FTUnit unit)
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{
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switch(unit) {
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case WORDS:
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return (unsigned int)labs((long)a->getPosition() - (long)b->getPosition()) - 1;
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case SENTENCES:
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return (unsigned int)labs((long)a->getSentence() - (long)b->getSentence());
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case PARAGRAPHS:
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return (unsigned int)labs((long)a->getParagraph() - (long)b->getParagraph());
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}
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return 0;
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}
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protected:
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FTOption(Type type, XPath2MemoryManager *memMgr)
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: FTSelection(type, memMgr) {}
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};
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typedef std::vector<FTOption*,XQillaAllocator<FTOption*> > VectorOfFTOptions;
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#endif
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