/**
* Copyright 2002-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _lucene_search_highlight_textfragment_
#define _lucene_search_highlight_textfragment_
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
#include "CLucene/util/StringBuffer.h"
#include "CLucene/util/VoidList.h"
CL_NS_DEF2(search,highlight)
/**
* Low-level class used to record information about a section of a document
* with a score.
*/
class TextFragment:LUCENE_BASE
{
int32_t _fragNum;
int32_t _textStartPos;
int32_t _textEndPos;
float_t _score;
public:
TextFragment(int32_t textStartPos, int32_t fragNum);
~TextFragment();
void setScore(float_t score);
float_t getScore() const;
int32_t textEndPos(){ return _textEndPos; }
void setTextEndPos(int32_t val){ _textEndPos = val; }
/**
* @param frag2 Fragment to be merged into this one
*/
void merge(const TextFragment * frag2);
/**
* @param fragment
* @return true if this fragment follows the one passed
*/
bool follows(const TextFragment * fragment) const;
/**
* @return the fragment sequence number
*/
int32_t getFragNum() const;
/* Returns the marked-up text for this text fragment
*/
TCHAR* toString(CL_NS(util)::StringBuffer* buffer);
/**
* Compare weighted terms, according to the term text.
* @todo Do we have to take boost factors into account
*/
class Compare:LUCENE_BASE, public CL_NS(util)::Compare::_base //<TextFragment*>
{
public:
//todo: this should be more efficient, but will be using a hash table soon, anyway
bool operator()( TextFragment* t1, TextFragment* t2 ) const;
size_t operator()( TextFragment* t ) const;
};
};
/**
* Text fragment list.
*/
//typedef CL_NS(util)::CLSetList<TextFragment*,TextFragment::Compare,CL_NS(util)::Deletor::Object<TextFragment> > TextFragmentList;
CL_NS_END2
#endif