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171 lines
4.3 KiB
171 lines
4.3 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: brmodel.hxx
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//
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// Contents:
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//
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// History: 15 Aug 1996 DLee Created
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//
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//--------------------------------------------------------------------------
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#pragma once
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const unsigned MAX_FORCE = 16;
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const unsigned MAX_INIT_DOCS = 4;
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class CQueryResults;
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//
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// The multifile browser is structured as follows:
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//
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// Model
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// |
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// +-> array of Documents
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// |
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// +-> array of Hits
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// |
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// +-> array of Positions
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//
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// Therefore, next/prev file correspond to movement within
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// the array of Documents in the Model.
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//
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// Next/prev hit correspond to movement within the current
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// Document's array of Hits.
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//
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// The viewer extracts its Position data from the array
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// of Positions in the current Hit in the current Docuement.
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//
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class Model
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{
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public:
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Model ();
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~Model ();
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SCODE CollectFiles ( CQueryResult *pResult );
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void Force ( char* pStr );
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//
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// Initialization methods
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//
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SCODE InitDocument();
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//
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// Next/Prev document selection routines
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//
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SCODE NextDoc();
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BOOL PrevDoc();
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BOOL isLastDoc() {
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return(_cDoc == 0 || _iDoc == _cDoc - 1);
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}
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BOOL isFirstDoc() {
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return(_iDoc == 0);
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}
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BOOL isLastHit() {
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return(_cDoc == 0 || _hitIter.isLastHit());
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}
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BOOL isFirstHit() {
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return(_cDoc == 0 || _hitIter.isFirstHit());
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}
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BOOL isSavedCurrent() { return _hitIter.isSavedCurrent(); }
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int HitCount() { return _hitIter.HitCount(); }
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int CurrentHit() { return _hitIter.CurrentHit(); }
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int ParaCount() { return _hitIter.ParaCount(); }
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//
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// The rest of the routines are relative to the current document
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//
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inline void HiliteAll( BOOL f );
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void RestoreHilite() { _hitIter.RestoreHit(); }
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BOOL IsHiliteAll() { return _fHiliteAll; }
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const WCHAR* Filename() { return _aDoc[_iDoc]->Filename(); }
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int Paras() const { return _aDoc[_iDoc]->Paras(); }
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int MaxParaLen() const{ return _aDoc[_iDoc]->MaxParaLen(); }
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BOOL GetLine (int nPara, int off, int& cwc, WCHAR* buf) const
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{ return _aDoc[_iDoc]->GetLine(nPara, off, cwc, buf); }
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void GetWord(int nPara, int offSrc, int cwcSrc, WCHAR* buf)
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{ _aDoc[_iDoc]->GetWord(nPara, offSrc, cwcSrc, buf ); }
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WCHAR * GetBuffer()
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{ return _aDoc[_iDoc]->Buffer(); }
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WCHAR * GetBufferEnd()
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{ return _aDoc[_iDoc]->BufEnd(); }
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int GetPositionCount() const { return _hitIter.GetPositionCount(); }
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Position GetPosition ( int i ) const { return _hitIter.GetPosition(i); }
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//
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// Search methods
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//
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WCHAR * Buffer() { return _aDoc[_iDoc]->Buffer(); }
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const WCHAR * BufEnd() const { return _aDoc[_iDoc]->BufEnd(); }
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ChunkOffset OffsetToChunkOffset ( ULONG offset ) const
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{
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return _aDoc[_iDoc]->OffsetToChunkOffset (offset);
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}
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ULONG FirstHit() { return _hitIter.FirstHit(); }
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ULONG PrevHit() { return _hitIter.PrevHit(); }
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ULONG NextHit() { return _hitIter.NextHit(); }
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ParaLine const * GetParaLine () const { return _aDoc[_iDoc]->GetParaLine(); }
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private:
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BOOL isForced(unsigned idx);
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unsigned _cForce;
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unsigned _aForce[MAX_FORCE];
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Document ** _aDoc;
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unsigned _cDoc;
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unsigned _iDoc;
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HitIter _hitIter;
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CQueryResult * _pResult;
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BOOL _fHiliteAll;
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ISearchQueryHits* _pSearch;
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};
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inline SCODE Model::NextDoc()
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{
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if (_cDoc != 0 && _iDoc + 1 < _cDoc )
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{
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_iDoc++;
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if (_iDoc >= MAX_INIT_DOCS)
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_aDoc[_iDoc - MAX_INIT_DOCS]->Free();
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return InitDocument();
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}
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return E_FAIL;
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}
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inline BOOL Model::PrevDoc()
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{
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if (_cDoc != 0 && _iDoc > 0 )
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{
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_iDoc--;
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return InitDocument();
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}
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return(FALSE);
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}
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inline void Model::HiliteAll( BOOL f )
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{
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if ( !IsHiliteAll() )
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_hitIter.SaveHit();
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_fHiliteAll = f;
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}
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