Expression ThrowUnexpectedInput(Expression errorMessage)
{
return(ThrowExpression.InvalidDataException(
StringExpression.Format(
"{0} (line {1} position {2})",
errorMessage,
Expression.Convert(Reader.LineNumber, typeof(object)),
Expression.Convert(Reader.LinePosition, typeof(object)))));
}
Expression ThrowUnexpectedState(Expression state)
{
return(ThrowExpression.InvalidDataException(
StringExpression.Format(
"Unexpected JsonToken '{0}' at state {1} (line {2} position {3})",
Expression.Convert(Reader.TokenType, typeof(object)),
Expression.Convert(state, typeof(object)),
Expression.Convert(Reader.LineNumber, typeof(object)),
Expression.Convert(Reader.LinePosition, typeof(object)))));
}
protected override IStateMachine <XmlNodeType> CreateStateMachine(
IEnumerable <TransformSchemaPair> transforms,
ParameterExpression requiredFields)
{
return(new StateMachine <XmlNodeType>
{
InitialState = State.AtStructElement,
FinalState = State.Finished,
IgnoredTokens = new[] { XmlNodeType.Whitespace, XmlNodeType.Comment, XmlNodeType.Text },
Default = state => ThrowExpression.InvalidDataException("Unexpected node type"),
TokenTransitions = new[]
{
new TokenTransition <XmlNodeType>
{
Token = XmlNodeType.Element,
StateTransitions = new[]
{
new StateTransition(State.AtStructElement,
ProcessStructElement),
new StateTransition(State.InsideStructElement,
state => ProcessFieldElement(state, requiredFields, transforms)),
new StateTransition(State.AtFieldEndElement, State.InsideStructElement,
state => Reader.Read())
},
Default = state => ParsingError(state),
},
new TokenTransition <XmlNodeType>
{
Token = XmlNodeType.EndElement,
StateTransitions = new[]
{
new StateTransition(State.AtFieldEndElement, State.InsideStructElement,
state => Reader.Read()),
new StateTransition(State.InsideStructElement, State.Finished,
state => Reader.Read())
},
Default = state => ParsingError(state),
}
}
});
}
