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