125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: rothint.hxx
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//
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// Contents: Base class for ROT hint table used in NT
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//
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// History: 24-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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#ifndef __ROTHINT_HXX__
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#define __ROTHINT_HXX__
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// Size of the hint table and size of the SCM's hash table for the ROT.
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#define SCM_HASH_SIZE 251
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// Name of hint table for non-NT1X
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#define ROTHINT_NAME L"Global\\RotHintTable"
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#if 1 // #ifndef _CHICAGO_
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//+-------------------------------------------------------------------------
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//
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// Class: CRotHintTable (rht)
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//
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// Purpose: Base class for hint table shared between SCM and OLE32.
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// It is designed to abstract what is fundamental an array
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// of on/off switches.
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//
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// Interface: SetIndicator - set indicator byte
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// ClearIndicator - clear indicator byte
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// GetIndicator - get indicator byte.
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//
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// History: 24-Jan-93 Ricksa Created
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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class CRotHintTable
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{
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public:
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CRotHintTable(void);
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void SetIndicator(DWORD dwOffset);
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void ClearIndicator(DWORD dwOffset);
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BOOL GetIndicator(DWORD dwOffset);
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protected:
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// This memory is allocated by the derived class.
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// The SCM actually creates the memory while the
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// client just opens the memory.
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BYTE * _pbHintArray;
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};
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//+-------------------------------------------------------------------------
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//
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// Member: CRotHintTable::CRotHintTable
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//
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// Synopsis: Initialize object
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//
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// History: 24-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline CRotHintTable::CRotHintTable(void) : _pbHintArray(NULL)
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{
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// Header does all the work
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CRotHintTable::SetIndicator
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//
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// Synopsis: Turn switch on
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//
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// History: 24-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline void CRotHintTable::SetIndicator(DWORD dwOffset)
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{
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_pbHintArray[dwOffset] = TRUE;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CRotHintTable::ClearIndicator
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//
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// Synopsis: Turn switch off
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//
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// History: 24-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline void CRotHintTable::ClearIndicator(DWORD dwOffset)
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{
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_pbHintArray[dwOffset] = FALSE;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CRotHintTable::GetIndicator
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//
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// Synopsis: Get the state of the switch
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//
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// History: 24-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline BOOL CRotHintTable::GetIndicator(DWORD dwOffset)
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{
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return _pbHintArray[dwOffset];
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}
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#endif // !_CHICAGO_
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#endif // __ROTHINT_HXX__
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