72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) 1992 - 1994, Microsoft Corporation.
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//
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// File: fstrm.hxx
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//
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// Contents: Stream for taking text from IFilter and transporting it to
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// the word breaker
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//
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// Classes: CFilterTextStream
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//
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// History: 01-Aug-93 AmyA Created
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// 17-Oct-94 BartoszM Rewrote
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//
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//----------------------------------------------------------------------------
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#pragma once
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//+---------------------------------------------------------------------------
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//
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// Class: CFilterTextStream
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//
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// Interface:
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//
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// History: 01-Nov-94 BartoszM Created
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//
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//----------------------------------------------------------------------------
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class CFilterTextStream: public CTextSource
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{
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public:
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CFilterTextStream(IFilter* pIFilter);
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int GetChar ();
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void GetRegion ( FILTERREGION& region, int offset, int len )
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{
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Win4Assert ( offset >= -1 );
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_mapper.GetSrcRegion (region, len, offset+ iCur);
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}
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private:
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int GetMore ();
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STAT_CHUNK _statChunk;
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CSourceMapper _mapper;
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CFilterTextStream::GetChar, public
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//
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// Synopsis: Get the look ahead character
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// and swallow the last look ahead
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// Replenish the buffer before the last character
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// is swallowed.
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//
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// History: 16-Nov-94 BartoszM Created
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//
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//----------------------------------------------------------------------------
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inline int CFilterTextStream::GetChar()
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{
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if (iCur >= iEnd - 1)
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{
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return GetMore();
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}
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return awcBuffer[iCur++];
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}
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