private bool WriteStartArray(JsonWriter writer, object values, JsonArrayContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty) { bool isReference = ResolveIsReference(contract, member, containerContract, containerProperty) ?? HasFlag(Serializer.PreserveReferencesHandling, PreserveReferencesHandling.Arrays); bool includeTypeDetails = ShouldWriteType(TypeNameHandling.Arrays, contract, member, containerContract, containerProperty); bool writeMetadataObject = isReference || includeTypeDetails; if (writeMetadataObject) { writer.WriteStartObject(); if (isReference) { writer.WritePropertyName(JsonTypeReflector.IdPropertyName); writer.WriteValue(Serializer.ReferenceResolver.GetReference(this, values)); } if (includeTypeDetails) { WriteTypeProperty(writer, values.GetType()); } writer.WritePropertyName(JsonTypeReflector.ArrayValuesPropertyName); } if (contract.ItemContract == null) contract.ItemContract = Serializer.ContractResolver.ResolveContract(contract.CollectionItemType ?? typeof (object)); return writeMetadataObject; }
private void SerializeMultidimensionalArray(JsonWriter writer, Array values, JsonArrayContract contract, JsonProperty member, int initialDepth, int[] indices) { int dimension = indices.Length; int[] newIndices = new int[dimension + 1]; for (int i = 0; i < dimension; i++) { newIndices[i] = indices[i]; } writer.WriteStartArray(); for (int i = 0; i < values.GetLength(dimension); i++) { newIndices[dimension] = i; bool isTopLevel = (newIndices.Length == values.Rank); if (isTopLevel) { object value = values.GetValue(newIndices); try { JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value); if (ShouldWriteReference(value, null, valueContract, contract, member)) { WriteReference(writer, value); } else { if (CheckForCircularReference(writer, value, null, valueContract, contract, member)) { SerializeValue(writer, value, valueContract, null, contract, member); } } } catch (Exception ex) { if (IsErrorHandled(values, contract, i, writer.ContainerPath, ex)) HandleError(writer, initialDepth + 1); else throw; } } else { SerializeMultidimensionalArray(writer, values, contract, member, initialDepth + 1, newIndices); } } writer.WriteEndArray(); }
private void SerializeMultidimensionalArray(JsonWriter writer, Array values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) { contract.InvokeOnSerializing(values, Serializer.Context); _serializeStack.Add(values); bool hasWrittenMetadataObject = WriteStartArray(writer, values, contract, member, collectionContract, containerProperty); SerializeMultidimensionalArray(writer, values, contract, member, writer.Top, new int[0]); if (hasWrittenMetadataObject) writer.WriteEndObject(); _serializeStack.RemoveAt(_serializeStack.Count - 1); contract.InvokeOnSerialized(values, Serializer.Context); }
private void SerializeList(JsonWriter writer, IWrappedCollection values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) { contract.InvokeOnSerializing(values.UnderlyingCollection, Serializer.Context); _serializeStack.Add(values.UnderlyingCollection); bool hasWrittenMetadataObject = WriteStartArray(writer, values.UnderlyingCollection, contract, member, collectionContract, containerProperty); writer.WriteStartArray(); int initialDepth = writer.Top; int index = 0; // note that an error in the IEnumerable won't be caught foreach (object value in values) { try { JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value); if (ShouldWriteReference(value, null, valueContract, contract, member)) { WriteReference(writer, value); } else { if (CheckForCircularReference(writer, value, null, valueContract, contract, member)) { SerializeValue(writer, value, valueContract, null, contract, member); } } } catch (Exception ex) { if (IsErrorHandled(values.UnderlyingCollection, contract, index, writer.ContainerPath, ex)) HandleError(writer, initialDepth); else throw; } finally { index++; } } writer.WriteEndArray(); if (hasWrittenMetadataObject) writer.WriteEndObject(); _serializeStack.RemoveAt(_serializeStack.Count - 1); contract.InvokeOnSerialized(values.UnderlyingCollection, Serializer.Context); }
private object PopulateMultidimensionalArray(IList list, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, string id) { int rank = contract.UnderlyingType.GetArrayRank(); if (id != null) Serializer.ReferenceResolver.AddReference(this, id, list); contract.InvokeOnDeserializing(list, Serializer.Context); JsonContract collectionItemContract = GetContractSafe(contract.CollectionItemType); JsonConverter collectionItemConverter = GetConverter(collectionItemContract, null, contract, containerProperty); int? previousErrorIndex = null; Stack<IList> listStack = new Stack<IList>(); listStack.Push(list); IList currentList = list; bool finished = false; do { int initialDepth = reader.Depth; if (listStack.Count == rank) { try { if (ReadForType(reader, collectionItemContract, collectionItemConverter != null)) { switch (reader.TokenType) { case JsonToken.EndArray: listStack.Pop(); currentList = listStack.Peek(); previousErrorIndex = null; break; case JsonToken.Comment: break; default: object value; if (collectionItemConverter != null && collectionItemConverter.CanRead) value = collectionItemConverter.ReadJson(reader, contract.CollectionItemType, null, GetInternalSerializer()); else value = CreateValueInternal(reader, contract.CollectionItemType, collectionItemContract, null, contract, containerProperty, null); currentList.Add(value); break; } } else { break; } } catch (Exception ex) { JsonPosition errorPosition = reader.GetPosition(initialDepth); if (IsErrorHandled(list, contract, errorPosition.Position, reader.Path, ex)) { HandleError(reader, true, initialDepth); if (previousErrorIndex != null && previousErrorIndex == errorPosition.Position) { // reader index has not moved since previous error handling // break out of reading array to prevent infinite loop throw JsonSerializationException.Create(reader, "Infinite loop detected from error handling.", ex); } else { previousErrorIndex = errorPosition.Position; } } else { throw; } } } else { if (reader.Read()) { switch (reader.TokenType) { case JsonToken.StartArray: IList newList = new List<object>(); currentList.Add(newList); listStack.Push(newList); currentList = newList; break; case JsonToken.EndArray: listStack.Pop(); if (listStack.Count > 0) { currentList = listStack.Peek(); } else { finished = true; } break; case JsonToken.Comment: break; default: throw JsonSerializationException.Create(reader, "Unexpected token when deserializing multidimensional array: " + reader.TokenType); } } else { break; } } } while (!finished); if (!finished) ThrowUnexpectedEndException(reader, contract, list, "Unexpected end when deserializing array."); contract.InvokeOnDeserialized(list, Serializer.Context); return list; }
private object PopulateList(IWrappedCollection wrappedList, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, string id) { object list = wrappedList.UnderlyingCollection; if (id != null) Serializer.ReferenceResolver.AddReference(this, id, list); // can't populate an existing array if (wrappedList.IsFixedSize) { reader.Skip(); return list; } contract.InvokeOnDeserializing(list, Serializer.Context); int initialDepth = reader.Depth; JsonContract collectionItemContract = GetContractSafe(contract.CollectionItemType); JsonConverter collectionItemConverter = GetConverter(collectionItemContract, null, contract, containerProperty); int? previousErrorIndex = null; bool finished = false; do { try { if (ReadForType(reader, collectionItemContract, collectionItemConverter != null)) { switch (reader.TokenType) { case JsonToken.EndArray: finished = true; break; case JsonToken.Comment: break; default: object value; if (collectionItemConverter != null && collectionItemConverter.CanRead) value = collectionItemConverter.ReadJson(reader, contract.CollectionItemType, null, GetInternalSerializer()); else value = CreateValueInternal(reader, contract.CollectionItemType, collectionItemContract, null, contract, containerProperty, null); wrappedList.Add(value); break; } } else { break; } } catch (Exception ex) { JsonPosition errorPosition = reader.GetPosition(initialDepth); if (IsErrorHandled(list, contract, errorPosition.Position, reader.Path, ex)) { HandleError(reader, true, initialDepth); if (previousErrorIndex != null && previousErrorIndex == errorPosition.Position) { // reader index has not moved since previous error handling // break out of reading array to prevent infinite loop throw JsonSerializationException.Create(reader, "Infinite loop detected from error handling.", ex); } else { previousErrorIndex = errorPosition.Position; } } else { throw; } } } while (!finished); if (!finished) ThrowUnexpectedEndException(reader, contract, list, "Unexpected end when deserializing array."); contract.InvokeOnDeserialized(list, Serializer.Context); return list; }