Created
October 29, 2019 23:42
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private static void HandleStartDictionary(JsonSerializerOptions options, ref ReadStack state) | |
{ | |
Debug.Assert(!state.Current.IsProcessingEnumerable()); | |
JsonPropertyInfo jsonPropertyInfo = state.Current.JsonPropertyInfo; | |
if (jsonPropertyInfo == null) | |
{ | |
jsonPropertyInfo = state.Current.JsonClassInfo.CreateRootProperty(options); | |
} | |
Debug.Assert(jsonPropertyInfo != null); | |
// A nested object or dictionary so push new frame. | |
if (state.Current.CollectionPropertyInitialized) | |
{ | |
state.Push(); | |
state.Current.JsonClassInfo = jsonPropertyInfo.ElementClassInfo; | |
state.Current.InitializeJsonPropertyInfo(); | |
state.Current.CollectionPropertyInitialized = true; | |
JsonClassInfo classInfo = state.Current.JsonClassInfo; | |
if (state.Current.IsProcessingDictionary()) | |
{ | |
object dictValue = ReadStackFrame.CreateDictionaryValue(ref state); | |
// If value is not null, then we don't have a converter so apply the value. | |
if (dictValue != null) | |
{ | |
state.Current.ReturnValue = dictValue; | |
state.Current.DetermineIfDictionaryCanBePopulated(state.Current.ReturnValue); | |
} | |
} | |
else if (state.Current.IsProcessingObject(ClassType.Object)) | |
{ | |
if (classInfo.CreateObject is null) | |
{ | |
if (classInfo.Type.IsInterface) | |
{ | |
ThrowHelper.ThrowNotSupportedException_DeserializePolymorphicInterface(classInfo.Type); | |
} | |
else | |
{ | |
ThrowHelper.ThrowNotSupportedException_DeserializeMissingParameterlessConstructor(classInfo.Type); | |
} | |
} | |
state.Current.ReturnValue = classInfo.CreateObject(); | |
} | |
else | |
{ | |
ThrowHelper.ThrowJsonException_DeserializeUnableToConvertValue(classInfo.Type); | |
} | |
return; | |
} | |
state.Current.CollectionPropertyInitialized = true; | |
object value = ReadStackFrame.CreateDictionaryValue(ref state); | |
if (value != null) | |
{ | |
state.Current.DetermineIfDictionaryCanBePopulated(value); | |
if (state.Current.ReturnValue != null) | |
{ | |
state.Current.JsonPropertyInfo.SetValueAsObject(state.Current.ReturnValue, value); | |
} | |
else | |
{ | |
// A dictionary is being returned directly, or a nested dictionary. | |
state.Current.ReturnValue = value; | |
} | |
} | |
} |
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