flywithu/CryptoExchange.Net
1
0
Fork 0
mirror of https://github.com/JKorf/CryptoExchange.Net.git synced 2026-08-17 11:23:00 +00:00
Code Issues Releases Wiki Activity

Added System.Text.Json ArrayConverter Write implementation

Browse Source
This commit is contained in:
Jkorf
2024-10-15 10:51:19 +02:00
parent 917d060827
commit 94cb2caf0b
2 changed files with 150 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
CryptoExchange.Net/Converters/SystemTextJson/ArrayConverter.cs
+72 -3
View File
@@ -42,8 +42,63 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
{
// TODO
throw new NotImplementedException();
if (value == null)
{
writer.WriteNullValue();
return;
}
writer.WriteStartArray();
var valueType = value.GetType();
if (!_typeAttributesCache.TryGetValue(valueType, out var typeAttributes))
typeAttributes = CacheTypeAttributes(valueType);
var ordered = typeAttributes.Where(x => x.ArrayProperty != null).OrderBy(p => p.ArrayProperty.Index);
var last = -1;
foreach (var prop in ordered)
{
if (prop.ArrayProperty.Index == last)
continue;
while (prop.ArrayProperty.Index != last + 1)
{
writer.WriteNullValue();
last += 1;
}
last = prop.ArrayProperty.Index;
var objValue = prop.PropertyInfo.GetValue(value);
if (objValue == null)
{
writer.WriteNullValue();
continue;
}
JsonSerializerOptions? typeOptions = null;
if (prop.JsonConverterType != null)
{
var converter = (JsonConverter)Activator.CreateInstance(prop.JsonConverterType);
typeOptions = new JsonSerializerOptions();
typeOptions.Converters.Clear();
typeOptions.Converters.Add(converter);
}
if (prop.JsonConverterType == null && IsSimple(prop.PropertyInfo.PropertyType))
{
if (prop.PropertyInfo.PropertyType == typeof(string))
writer.WriteStringValue(Convert.ToString(objValue, CultureInfo.InvariantCulture));
else
writer.WriteRawValue(Convert.ToString(objValue, CultureInfo.InvariantCulture));
}
else
{
JsonSerializer.Serialize(writer, objValue, typeOptions ?? options);
}
}
writer.WriteEndArray();
}
/// <inheritdoc />
@@ -56,6 +111,19 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
return (T)ParseObject(ref reader, result, typeToConvert);
}
private static bool IsSimple(Type type)
{
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
{
// nullable type, check if the nested type is simple.
return IsSimple(type.GetGenericArguments()[0]);
}
return type.IsPrimitive
|| type.IsEnum
|| type == typeof(string)
|| type == typeof(decimal);
}
private static List<ArrayPropertyInfo> CacheTypeAttributes(Type type)
{
var attributes = new List<ArrayPropertyInfo>();
@@ -71,7 +139,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
ArrayProperty = att,
PropertyInfo = property,
DefaultDeserialization = property.GetCustomAttribute<JsonConversionAttribute>() != null,
JsonConverterType = property.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType,
JsonConverterType = property.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType ?? property.PropertyType.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType,
TargetType = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType
});
}
@@ -126,6 +194,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
JsonTokenType.True => true,
JsonTokenType.String => reader.GetString(),
JsonTokenType.Number => reader.GetDecimal(),
JsonTokenType.StartObject => JsonSerializer.Deserialize(ref reader, attribute.TargetType),
_ => throw new NotImplementedException($"Array deserialization of type {reader.TokenType} not supported"),
};
}