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