119 lines
3 KiB
C++
119 lines
3 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1998.
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//
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// File: bmkmap.cxx
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//
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// Contents: Book Mark Map Implementation
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//
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// Classes: CBookMarkMap
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//
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// Functions:
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//
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// History: 11-22-94 srikants Created
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//
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//----------------------------------------------------------------------------
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#include "pch.cxx"
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#pragma hdrstop
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#include <pidmap.hxx>
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#include "bmkmap.hxx"
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#include "rowindex.hxx"
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//+---------------------------------------------------------------------------
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//
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// Function: AddBookMark
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//
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// Synopsis: Adds a NEW book mark to the mapping.
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//
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// Arguments: [wid] -- WorkId to be added.
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// [oTableRow] -- Offset of the in the table window for this
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// bookmark.
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//
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// History: 11-23-94 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CBookMarkMap::AddBookMark( WORKID wid, TBL_OFF oTableRow )
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{
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Win4Assert( widInvalid != wid );
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CWidBmkHashEntry entry( wid, oTableRow );
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_widHash.AddEntry( entry );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: AddReplaceBookMark
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//
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// Synopsis: Adds a NEW book mark to the mapping or replaces one if
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// already present.
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//
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// Arguments: [wid] -- WorkId to be added.
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// [oTableRow] -- Offset of the in the table window for this
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// bookmark.
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//
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// History: 11-30-94 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CBookMarkMap::AddReplaceBookMark( WORKID wid, TBL_OFF oTableRow )
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{
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Win4Assert( widInvalid != wid );
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CWidBmkHashEntry entry( wid, oTableRow );
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_widHash.ReplaceOrAddEntry( entry );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: FindBookMark
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//
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// Synopsis: Locates the requested bookmark mapping.
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//
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// Arguments: [wid] -- WorkId to locate.
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// [obTableRow] -- (Output) Offset of the table row in the
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// window.
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// [iRowIndex] -- (Output) Index in the sorted permutation
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// (RowIndex) of the entry.
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//
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// Returns: TRUE if found; FALSE o/w
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//
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// History: 11-23-94 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL CBookMarkMap::FindBookMark(
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WORKID wid,
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TBL_OFF & obTableRow,
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ULONG & iRowIndex )
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{
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CWidBmkHashEntry entry( wid );
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BOOL fHash = _widHash.LookUpWorkId( entry );
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if ( !fHash )
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{
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return FALSE;
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}
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obTableRow = entry.Value();
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//
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// It has been located in the hash table. Now find out the corresponding
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// entry in the row index.
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//
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return _rowIndex.FindRow( obTableRow, iRowIndex );
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}
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