mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
212 lines
5.4 KiB
212 lines
5.4 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1991 - 1992.
|
|
//
|
|
// File: enforcer.hxx
|
|
//
|
|
// Contents: Constraint enforcer for IWordSink methods
|
|
//
|
|
// History: 24-Apr-95 SitaramR Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
enum StateOfEnforcer
|
|
{
|
|
stateStart, // start state
|
|
stateError, // error state
|
|
statePAW, // PutAltWord state
|
|
stateSAP, // StartAltPhrase state
|
|
stateEAP, // EndAltPhrase state
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CAltWordsEnforcer
|
|
//
|
|
// Purpose: Constraint enforcer for PutAltWord and PutWord methods
|
|
//
|
|
// History: 25-Apr-95 SitaramR Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CAltWordsEnforcer
|
|
{
|
|
|
|
public:
|
|
|
|
CAltWordsEnforcer() { _state = stateStart; }
|
|
~CAltWordsEnforcer() { }
|
|
|
|
BOOL IsPutWordOk();
|
|
BOOL IsPutAltWordOk();
|
|
BOOL IsStartAltPhraseOk();
|
|
BOOL IsEndAltPhraseOk();
|
|
|
|
private:
|
|
|
|
StateOfEnforcer _state;
|
|
};
|
|
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CAltPhrasesEnforcer
|
|
//
|
|
// Purpose: Constraint enforcer for StartAltPhrase and EndAltPhrase methods
|
|
//
|
|
// History: 25-Apr-95 SitaramR Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CAltPhrasesEnforcer
|
|
{
|
|
|
|
public:
|
|
|
|
CAltPhrasesEnforcer() { _state = stateStart; }
|
|
~CAltPhrasesEnforcer() { }
|
|
|
|
BOOL IsStartAltPhraseOk();
|
|
BOOL IsEndAltPhraseOk();
|
|
|
|
private:
|
|
|
|
StateOfEnforcer _state;
|
|
};
|
|
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CAltWordsEnforcer::IsPutWordOk
|
|
//
|
|
// Synopsis: Is the PutWord method call allowed in the current state ?
|
|
//
|
|
// History: 24-Apr-1995 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CAltWordsEnforcer::IsPutWordOk()
|
|
{
|
|
if ( _state == statePAW )
|
|
_state = stateStart;
|
|
|
|
return _state != stateError;
|
|
}
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CAltWordsEnforcer::IsPutAltWordOk
|
|
//
|
|
// Synopsis: Is the PutAltWord method call allowed in the current state ? After a
|
|
// sequence of PutAltWord calls at least one PutWord method must be
|
|
// called before any StartAltPhrase or EndAltPhrase methods
|
|
//
|
|
// History: 24-Apr-1995 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CAltWordsEnforcer::IsPutAltWordOk()
|
|
{
|
|
if ( _state == stateStart )
|
|
_state = statePAW;
|
|
|
|
return _state != stateError;
|
|
}
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CAltWordsEnforcer::IsStartAltPhraseOk
|
|
//
|
|
// Synopsis: Is the StartAltPhrase method call allowed in the current state ? After a
|
|
// sequence of PutAltWord calls at least one PutWord method must be
|
|
// called before any StartAltPhrase or EndAltPhrase methods
|
|
//
|
|
// History: 24-Apr-1995 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CAltWordsEnforcer::IsStartAltPhraseOk()
|
|
{
|
|
if ( _state == statePAW )
|
|
_state = stateError;
|
|
|
|
return _state != stateError;
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CAltWordsEnforcer::IsEndAltPhraseOk
|
|
//
|
|
// Synopsis: Is the EndAltPhrase method call allowed in the current state ? After a
|
|
// sequence of PutAltWord calls at least one PutWord method must be
|
|
// called before any StartAltPhrase or EndAltPhrase methods
|
|
//
|
|
// History: 24-Apr-1995 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CAltWordsEnforcer::IsEndAltPhraseOk()
|
|
{
|
|
if ( _state == statePAW )
|
|
_state = stateError;
|
|
|
|
return _state != stateError;
|
|
}
|
|
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CAltPhrasesEnforcer::IsStartAltPhraseOk
|
|
//
|
|
// Synopsis: Is the StartAltPhrase method call allowed in the current state ?
|
|
// There cannot be two EndAltPhrase calls without an intervening
|
|
// StartAltPhrase
|
|
//
|
|
// History: 24-Apr-1995 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CAltPhrasesEnforcer::IsStartAltPhraseOk()
|
|
{
|
|
if ( _state == stateStart || _state == stateEAP )
|
|
_state = stateSAP;
|
|
|
|
return _state != stateError;
|
|
}
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CAltPhrasesEnforcer::IsEndAltPhraseOk
|
|
//
|
|
// Synopsis: Is the EndAltPhrase method call allowed in the current state ?
|
|
//
|
|
// History: 24-Apr-1995 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CAltPhrasesEnforcer::IsEndAltPhraseOk()
|
|
{
|
|
if ( _state == stateSAP )
|
|
_state = stateEAP;
|
|
else
|
|
_state = stateError;
|
|
|
|
return _state != stateError;
|
|
}
|
|
|