Leaked source code of windows server 2003
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2.3 KiB

//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1994 - 1998.
//
// File: rowindex.hxx
//
// Contents: Declaration of the CRowIndex class, used by table windows.
//
// Classes: CRowIndex, CRowCompare
//
// History: 23 Aug 1994 dlee Created
//
//--------------------------------------------------------------------------
#pragma once
#include <tblrowal.hxx> // for CTableRowAlloc
#include <objcur.hxx>
#include <tablecol.hxx>
#include <tblvarnt.hxx>
#include "propdata.hxx"
#include "rowcomp.hxx"
//+-------------------------------------------------------------------------
//
// Class: CRowIndex
//
// Purpose: Maintains row order given a sort object
//
//--------------------------------------------------------------------------
class CRowIndex
{
public:
CRowIndex() : _pRowCompare(0), _aRows( 64 ) { }
ULONG AddRow(TBL_OFF Value);
void AppendRow( TBL_OFF Value )
{
_aRows[ _aRows.Count() ] = Value;
}
void DeleteRow(ULONG iRow);
ULONG ResortRow(ULONG iRow);
void SetComparator(CRowCompare *pRowCompare)
{ _pRowCompare = pRowCompare; }
TBL_OFF GetRow(ULONG iRow) const { return _aRows[ iRow ]; }
ULONG RowCount() const { return _aRows.Count(); }
BOOL FindRow( TBL_OFF oTableRow, ULONG &iRowIndex ) const;
void SyncUp( CRowIndex & newIndex );
void ResizeAndInit( ULONG cRowsInNew );
void ClearAll() { _aRows.Clear(); }
LONG FindSplitPoint( TBL_OFF oTableRow ) const;
BOOL FindMidSplitPoint( ULONG & riSplitPoint ) const;
#if CIDBG==1 || DBG==1
void CheckSortOrder() const;
#endif // CIDBG==1 || DBG==1
#ifdef CIEXTMODE
void CiExtDump(void *ciExtSelf);
#endif // CIEXTMODE
private:
ULONG _FindInsertionPoint( TBL_OFF Value ) const;
TBL_OFF * _Base() { return (TBL_OFF *) _aRows.GetPointer(); }
inline BOOL _FindRowByLinearSearch( TBL_OFF oTableRow, ULONG &iRowIndex ) const;
inline BOOL _FindRowByBinarySearch( TBL_OFF oTableRow, ULONG &iRowIndex ) const;
CRowCompare * _pRowCompare;
CDynArrayInPlace<TBL_OFF> _aRows;
};