private void SerializeDictionary(JsonWriter writer, IDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
IWrappedDictionary wrappedDictionary = values as IWrappedDictionary;
object underlyingDictionary = wrappedDictionary != null ? wrappedDictionary.UnderlyingDictionary : values;
OnSerializing(writer, contract, underlyingDictionary);
_serializeStack.Add(underlyingDictionary);
WriteObjectStart(writer, underlyingDictionary, contract, member, collectionContract, containerProperty);
if (contract.ItemContract == null)
{
contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));
}
if (contract.KeyContract == null)
{
contract.KeyContract = Serializer._contractResolver.ResolveContract(contract.DictionaryKeyType ?? typeof(object));
}
int initialDepth = writer.Top;
// Manual use of IDictionaryEnumerator instead of foreach to avoid DictionaryEntry box allocations.
IDictionaryEnumerator e = values.GetEnumerator();
try
{
while (e.MoveNext())
{
DictionaryEntry entry = e.Entry;
bool escape;
string propertyName = GetPropertyName(writer, entry.Key, contract.KeyContract, out escape);
propertyName = (contract.DictionaryKeyResolver != null)
? contract.DictionaryKeyResolver(propertyName)
: propertyName;
try
{
object value = entry.Value;
JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value);
if (ShouldWriteReference(value, null, valueContract, contract, member))
{
writer.WritePropertyName(propertyName, escape);
WriteReference(writer, value);
}
else
{
if (!CheckForCircularReference(writer, value, null, valueContract, contract, member))
{
continue;
}
writer.WritePropertyName(propertyName, escape);
SerializeValue(writer, value, valueContract, null, contract, member);
}
}
catch (Exception ex)
{
if (IsErrorHandled(underlyingDictionary, contract, propertyName, null, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
}
finally
{
(e as IDisposable)?.Dispose();
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
OnSerialized(writer, contract, underlyingDictionary);
}
