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/*
* 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.
*
* Changes are Copyright(C) 2007, 2008 by Nokia Corporation and/or its subsidiary(-ies), all rights reserved.
*/
#ifndef _lucene_index_FieldsReader_
#define _lucene_index_FieldsReader_
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
#include <QtCore/QString>
#include "CLucene/store/Directory.h"
#include "CLucene/document/Document.h"
#include "CLucene/util/subinputstream.h"
#include "CLucene/store/IndexInput.h"
CL_NS_DEF(index)
class FieldInfos;
class FieldsReader : LUCENE_BASE
{
private:
const FieldInfos* fieldInfos;
CL_NS(store)::IndexInput* fieldsStream;
CL_NS(store)::IndexInput* indexStream;
int32_t _size;
class FieldsStreamHolder : public jstreams::StreamBase<char>
{
CL_NS(store)::IndexInput* indexInput;
CL_NS(store)::IndexInputStream* indexInputStream;
jstreams::SubInputStream<char>* subStream;
public:
FieldsStreamHolder(CL_NS(store)::IndexInput* indexInput, int32_t subLength);
~FieldsStreamHolder();
int32_t read(const char*& start, int32_t _min, int32_t _max);
int64_t skip(int64_t ntoskip);
int64_t reset(int64_t pos);
};
public:
FieldsReader(CL_NS(store)::Directory* d, const QString& segment, FieldInfos* fn);
~FieldsReader();
void close();
int32_t size() const;
// loads the fields from n'th document into doc. returns true on success.
bool doc(int32_t n, CL_NS(document)::Document* doc);
};
CL_NS_END
#endif
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