public DeserializerLazyDictionary(JsonReader reader, JsonSerializer serializer)
{
_reader = reader;
_serializer = serializer;
}
private IEnumerator<KeyValuePair<string, object>> PopulateObject(JsonReader reader/*, Type objectType*/)
{
reader.IncrementRecursionLevel ();
while (reader.Read ()) {
switch (reader.TokenType) {
case JsonToken.PropertyName:
string memberName = reader.Value.ToString ();
if (!reader.Read ())
throw new JsonSerializationException (string.Format ("Unexpected end when setting {0}'s value.", memberName));
yield return new KeyValuePair<string, object> (memberName, GetObject (reader));
break;
case JsonToken.EndObject:
reader.DecrementRecursionLevel ();
yield break;
default:
throw new JsonSerializationException ("Unexpected token when deserializing object: " + reader.TokenType);
}
}
throw new JsonSerializationException ("Unexpected end when deserializing object.");
}
private object GetObject(JsonReader reader/*, Type objectType*/)
{
if (RecursionLimit > 0 && reader.CurrentRecursionLevel >= RecursionLimit) {
throw new ArgumentException ("RecursionLimit exceeded.");
}
object value;
switch (reader.TokenType) {
// populate a typed object or generic dictionary/array
// depending upon whether an objectType was supplied
case JsonToken.StartObject:
//value = PopulateObject(reader/*, objectType*/);
value = new DeserializerLazyDictionary (reader, this);
break;
case JsonToken.StartArray:
value = PopulateList (reader/*, objectType*/);
break;
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.String:
case JsonToken.Boolean:
case JsonToken.Date:
//value = EnsureType(reader.Value, objectType);
value = reader.Value;
break;
case JsonToken.Constructor:
value = reader.Value.ToString ();
break;
case JsonToken.Null:
case JsonToken.Undefined:
value = null;
break;
default:
throw new JsonSerializationException ("Unexpected token whil deserializing object: " + reader.TokenType);
}
return value;
}
private IEnumerable<object> PopulateList(JsonReader reader/*, Type objectType*/)
{
while (reader.Read()) {
switch (reader.TokenType) {
case JsonToken.EndArray:
yield break;
case JsonToken.Comment:
break;
default:
yield return GetObject (reader/*, elementType*/);
break;
}
}
throw new JsonSerializationException ("Unexpected end when deserializing array.");
}
/// <summary>
/// Deserializes the Json structure contained by the specified <see cref="JsonReader"/>
/// into an instance of the specified type.
/// </summary>
/// <param name="reader">The type of object to create.</param>
/// <param name="objectType">The <see cref="Type"/> of object being deserialized.</param>
/// <returns>The instance of <paramref name="objectType"/> being deserialized.</returns>
object Deserialize(JsonReader reader)
{
if (!reader.Read ())
return null;
return GetObject (reader);
}
