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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.
------------------------------------------------------------------------------*/
#ifndef _lucene_util_FastCharStream_
#define _lucene_util_FastCharStream_
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
#include "CLucene/util/Reader.h"
CL_NS_DEF(util)
/** Ported implementation of the FastCharStream class. */
class FastCharStream:LUCENE_BASE
{
static const int32_t maxRewindSize;
int32_t pos;
int32_t rewindPos;
int64_t resetPos;
int32_t col;
int32_t line;
// read character from stream return false on error
void readChar(TCHAR &);
public:
Reader* input;
/// Initializes a new instance of the FastCharStream class LUCENE_EXPORT.
FastCharStream(Reader* reader);
~FastCharStream();
/// Returns the next TCHAR from the stream.
int GetNext();
void UnGet();
/// Returns the current top TCHAR from the input stream without removing it.
int Peek();
/// Returns <b>True</b> if the end of stream was reached.
bool Eos() const;
/// Gets the current column.
int32_t Column() const;
/// Gets the current line.
int32_t Line() const;
};
CL_NS_END
#endif
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