125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
//+-------------------------------------------------------------------------
|
|
//
|
|
// 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"Global\\RotHintTable"
|
|
|
|
#if 1 // #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__
|