public object DeserializeValue(EventReader reader, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
{
object value;
var alias = reader.Allow <AnchorAlias>();
if (alias != null)
{
var aliasState = state.Get <AliasState>();
ValuePromise valuePromise;
if (!aliasState.TryGetValue(alias.Value, out valuePromise))
{
valuePromise = new ValuePromise(alias);
aliasState.Add(alias.Value, valuePromise);
}
return(valuePromise.HasValue ? valuePromise.Value : valuePromise);
}
string anchor = null;
var nodeEvent = reader.Peek <NodeEvent>();
if (nodeEvent != null && !string.IsNullOrEmpty(nodeEvent.Anchor))
{
anchor = nodeEvent.Anchor;
}
value = innerDeserializer.DeserializeValue(reader, expectedType, state, nestedObjectDeserializer);
if (anchor != null)
{
var aliasState = state.Get <AliasState>();
ValuePromise valuePromise;
if (!aliasState.TryGetValue(anchor, out valuePromise))
{
aliasState.Add(anchor, new ValuePromise(value));
}
else if (!valuePromise.HasValue)
{
valuePromise.Value = value;
}
else
{
throw new DuplicateAnchorException(alias.Start, alias.End, string.Format(
"Anchor '{0}' already defined",
alias.Value
));
}
}
return(value);
}
/// <summary>
/// Deserializes an object of the specified type.
/// </summary>
/// <param name="reader">The <see cref="EventReader" /> where to deserialize the object.</param>
/// <param name="type">The static type of the object to deserialize.</param>
/// <returns>Returns the deserialized object.</returns>
public object Deserialize(EventReader reader, Type type)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (type == null)
{
throw new ArgumentNullException("type");
}
var hasStreamStart = reader.Allow <StreamStart>() != null;
var hasDocumentStart = reader.Allow <DocumentStart>() != null;
object result = null;
if (!reader.Accept <DocumentEnd>() && !reader.Accept <StreamEnd>())
{
using (var state = new SerializerState())
{
result = valueDeserializer.DeserializeValue(reader, type, state, valueDeserializer);
}
}
if (hasDocumentStart)
{
reader.Expect <DocumentEnd>();
}
if (hasStreamStart)
{
reader.Expect <StreamEnd>();
}
return(result);
}
public object DeserializeValue(EventReader reader, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
{
object value;
var alias = reader.Allow <AnchorAlias>();
if (alias != null)
{
var aliasState = state.Get <AliasState>();
if (aliasState.TryGetValue(alias.Value, out value))
{
return(value);
}
throw new AnchorNotFoundException(alias.Start, alias.End, string.Format(
"Anchor '{0}' not found",
alias.Value
));
}
string anchor = null;
var nodeEvent = reader.Peek <NodeEvent>();
if (nodeEvent != null && !string.IsNullOrEmpty(nodeEvent.Anchor))
{
anchor = nodeEvent.Anchor;
}
value = innerDeserializer.DeserializeValue(reader, expectedType, state, nestedObjectDeserializer);
if (anchor != null)
{
var aliasState = state.Get <AliasState>();
aliasState.Add(anchor, value);
}
return(value);
}
public object DeserializeValue(EventReader reader, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
{
var nodeEvent = reader.Peek <NodeEvent>();
var nodeType = GetTypeFromEvent(nodeEvent, expectedType);
foreach (var deserializer in deserializers)
{
object value;
if (deserializer.Deserialize(reader, nodeType, (r, t) => nestedObjectDeserializer.DeserializeValue(r, t, state, nestedObjectDeserializer), out value))
{
return(value);
}
}
throw new SerializationException(
string.Format(
"No node deserializer was able to deserialize the node at {0} into type {1}",
reader.Parser.Current.Start,
expectedType.AssemblyQualifiedName
)
);
}
