public XmlTokenStateTransition(ITokenState from,
ITokenState to,
ITokenPatternMatch match)
:
base(from, to, match)
{
}
protected TokenStateTransition(ITokenState from,
ITokenState to,
ITokenPatternMatch match)
{
this.From = from;
this.To = to;
this.Match = match;
}
protected TokenReaderState(ITokenState defaultState,
long position,
Stack <ITokenStateTransition> transitions)
{
position.ThrowIfNegative();
this.DefaultState = defaultState;
this.Position = position;
this.Transitions = transitions;
}
private ITokenStateTransition?GetNextTransition(ITokenStateTransition?currentTransition,
ITokenState tokenState,
Stack <ITokenStateTransition> transitions,
ref ReadOnlySequence <byte> buffer,
ref long position)
{
ITokenStateTransition?previousTransition = currentTransition;
if (transitions.Count > 0)
{
previousTransition = transitions.Peek();
}
return(tokenState.GetNextTransition(previousTransition, ref buffer, ref position));
}
public bool Read(ref ITokenReaderState state,
ref ReadOnlySequence <byte> buffer,
out ReadOnlySequence <byte> token,
out long consumedBytes)
{
token = new ReadOnlySequence <byte>();
consumedBytes = 0;
bool messageFound = false;
ITokenState tokenState = state.GetTokenState();
Stack <ITokenStateTransition> transitions = state.Transitions;
long position = state.Position;
ITokenStateTransition?currentTransition = null;
do
{
currentTransition = this.GetNextTransition(currentTransition,
tokenState,
transitions,
ref buffer,
ref position);
if (currentTransition is not null)
{
ExecutionLogProvider.Log.LogTrace(currentTransition.ToString());
tokenState = currentTransition.To;
messageFound = this.HandleTransition(currentTransition, transitions, ref buffer, ref token, out consumedBytes);
}
}while(currentTransition is not null && messageFound == false);
state = this.CreateTokenReaderState(position, transitions);
return(messageFound);
}
public TokenManager()
{
state = new ConfingToken();
}
public TokenManager(ITokenState its)
{
state = its;
}
protected TokenReaderState(ITokenState defaultState)
{
this.DefaultState = defaultState;
}