Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

118 lines
3.1 KiB

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