69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Copyright (C) 1991, Microsoft Corporation.
|
||
|
|
//
|
||
|
|
// File: XlatStat.hxx
|
||
|
|
//
|
||
|
|
// Contents: State translation class.
|
||
|
|
//
|
||
|
|
// Classes: CXlatState
|
||
|
|
//
|
||
|
|
// History: 01-20-92 KyleP Created
|
||
|
|
// 03-11-97 arunk Modified for regex lib
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#ifndef __XLATSTAT_HXX__
|
||
|
|
#define __XLATSTAT_HXX__
|
||
|
|
|
||
|
|
#include <windows.h>
|
||
|
|
class CStateSet;
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Class: CXlatState
|
||
|
|
//
|
||
|
|
// Purpose: Maps state set to single state.
|
||
|
|
//
|
||
|
|
// History: 20-Jan-92 KyleP Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class CXlatState
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
CXlatState( UINT MaxState = 32 );
|
||
|
|
|
||
|
|
~CXlatState();
|
||
|
|
|
||
|
|
UINT XlatToOne( CStateSet const & ss );
|
||
|
|
|
||
|
|
void XlatToMany( UINT iState, CStateSet & ss );
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
void _Realloc();
|
||
|
|
|
||
|
|
UINT _Search( CStateSet const & ss );
|
||
|
|
|
||
|
|
UINT _Create( CStateSet const & ss );
|
||
|
|
|
||
|
|
void _BuildState( ULONG * pState, CStateSet const & ss );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Initial naive implementation: Just keep an array, where each
|
||
|
|
// element is wide enough to contain 1 bit per possible state.
|
||
|
|
//
|
||
|
|
// The first state set in _pulStates is used as temporary space
|
||
|
|
// during search.
|
||
|
|
//
|
||
|
|
|
||
|
|
UINT _StateSize; // # DWords / state
|
||
|
|
ULONG * _pulStates; // Pointer to states
|
||
|
|
UINT _cStates; // Size (in states) of pulStates
|
||
|
|
UINT _cUsed; // Number of states in use.
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // __XLATSTAT_HXX__
|
||
|
|
|