1 files changed, 82 insertions, 0 deletions
diff --git a/src/SMAPI/Framework/Serialization/KeybindConverter.cs b/src/SMAPI/Framework/Serialization/KeybindConverter.cs
new file mode 100644
index 00000000..93a274a8
--- /dev/null
+++ b/src/SMAPI/Framework/Serialization/KeybindConverter.cs
@@ -0,0 +1,82 @@
+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)
+                        ? (object)new Keybind()
+                        : new KeybindList();
+
+                case JsonToken.String:
+                    {
+                        string str = JToken.Load(reader).Value<string>();
+
+                        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());
+        }
+    }
+}