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Ryujinx/Ryujinx.Common/Configuration/Hid/Controller/Motion/JsonMotionConfigControllerConverter.cs
Andrey Sukharev 4ce4299ca2
Use source generated json serializers in order to improve code trimming (#4094)
* Use source generated json serializers in order to improve code trimming

* Use strongly typed github releases model to fetch updates instead of raw Newtonsoft.Json parsing

* Use separate model for LogEventArgs serialization

* Make dynamic object formatter static. Fix string builder pooling.

* Do not inherit json version of LogEventArgs from EventArgs

* Fix extra space in object formatting

* Write log json directly to stream instead of using buffer writer

* Rebase fixes

* Rebase fixes

* Rebase fixes

* Enforce block-scoped namespaces in the solution. Convert style for existing code

* Apply suggestions from code review

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Rebase indent fix

* Fix indent

* Delete unnecessary json properties

* Rebase fix

* Remove overridden json property names as they are handled in the options

* Apply suggestions from code review

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Use default json options in github api calls

* Indentation and spacing fixes

---------

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>
2023-03-21 19:41:19 -03:00

79 lines
3.5 KiB
C#

using Ryujinx.Common.Utilities;
using System;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace Ryujinx.Common.Configuration.Hid.Controller.Motion
{
class JsonMotionConfigControllerConverter : JsonConverter<MotionConfigController>
{
private static readonly MotionConfigJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
private static MotionInputBackendType GetMotionInputBackendType(ref Utf8JsonReader reader)
{
// Temporary reader to get the backend type
Utf8JsonReader tempReader = reader;
MotionInputBackendType result = MotionInputBackendType.Invalid;
while (tempReader.Read())
{
// NOTE: We scan all properties ignoring the depth entirely on purpose.
// The reason behind this is that we cannot track in a reliable way the depth of the object because Utf8JsonReader never emit the first TokenType == StartObject if the json start with an object.
// As such, this code will try to parse very field named "motion_backend" to the correct enum.
if (tempReader.TokenType == JsonTokenType.PropertyName)
{
string propertyName = tempReader.GetString();
if (propertyName.Equals("motion_backend"))
{
tempReader.Read();
if (tempReader.TokenType == JsonTokenType.String)
{
string backendTypeRaw = tempReader.GetString();
if (!Enum.TryParse(backendTypeRaw, out result))
{
result = MotionInputBackendType.Invalid;
}
else
{
break;
}
}
}
}
}
return result;
}
public override MotionConfigController Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
MotionInputBackendType motionBackendType = GetMotionInputBackendType(ref reader);
return motionBackendType switch
{
MotionInputBackendType.GamepadDriver => JsonSerializer.Deserialize(ref reader, SerializerContext.StandardMotionConfigController),
MotionInputBackendType.CemuHook => JsonSerializer.Deserialize(ref reader, SerializerContext.CemuHookMotionConfigController),
_ => throw new InvalidOperationException($"Unknown backend type {motionBackendType}"),
};
}
public override void Write(Utf8JsonWriter writer, MotionConfigController value, JsonSerializerOptions options)
{
switch (value.MotionBackend)
{
case MotionInputBackendType.GamepadDriver:
JsonSerializer.Serialize(writer, value as StandardMotionConfigController, SerializerContext.StandardMotionConfigController);
break;
case MotionInputBackendType.CemuHook:
JsonSerializer.Serialize(writer, value as CemuHookMotionConfigController, SerializerContext.CemuHookMotionConfigController);
break;
default:
throw new ArgumentException($"Unknown motion backend type {value.MotionBackend}");
}
}
}
}