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using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using StardewModdingAPI.Toolkit.Serialization;
using StardewModdingAPI.Utilities;
namespace StardewModdingAPI.Framework.Serialization
{
/// <summary>Handles deserialization of <see cref="Keybind"/> and <see cref="KeybindList"/> models.</summary>
internal class KeybindConverter : JsonConverter
{
/*********
** Accessors
*********/
/// <inheritdoc />
public override bool CanRead { get; } = true;
/// <inheritdoc />
public override bool CanWrite { get; } = true;
/*********
** Public methods
*********/
/// <summary>Get whether this instance can convert the specified object type.</summary>
/// <param name="objectType">The object type.</param>
public override bool CanConvert(Type objectType)
{
return
typeof(Keybind).IsAssignableFrom(objectType)
|| typeof(KeybindList).IsAssignableFrom(objectType);
}
/// <summary>Reads the JSON representation of the object.</summary>
/// <param name="reader">The JSON reader.</param>
/// <param name="objectType">The object type.</param>
/// <param name="existingValue">The object being read.</param>
/// <param name="serializer">The calling serializer.</param>
public override object ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
{
string path = reader.Path;
switch (reader.TokenType)
{
case JsonToken.Null:
return objectType == typeof(Keybind)
? new Keybind()
: new KeybindList();
case JsonToken.String:
{
string? str = JToken.Load(reader).Value<string>();
if (str is null)
return new Keybind(Array.Empty<SButton>());
if (objectType == typeof(Keybind))
{
return Keybind.TryParse(str, out Keybind? parsed, out string[] errors)
? parsed
: throw new SParseException($"Can't parse {nameof(Keybind)} from invalid value '{str}' (path: {path}).\n{string.Join("\n", errors)}");
}
else
{
return KeybindList.TryParse(str, out KeybindList? parsed, out string[] errors)
? parsed
: throw new SParseException($"Can't parse {nameof(KeybindList)} from invalid value '{str}' (path: {path}).\n{string.Join("\n", errors)}");
}
}
default:
throw new SParseException($"Can't parse {objectType} from unexpected {reader.TokenType} node (path: {reader.Path}).");
}
}
/// <summary>Writes the JSON representation of the object.</summary>
/// <param name="writer">The JSON writer.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
{
writer.WriteValue(value?.ToString());
}
}
}
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