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Use delegates for custom serializers

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This commit is contained in:
Simon Lübeß
2024-01-05 14:34:11 +01:00
parent a5e767df01
commit 9da675e4bb
4 changed files with 43 additions and 16 deletions
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ScriptCore/Serialization/DeserializationObject.cs
+11 -8
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@@ -39,9 +39,10 @@ public class DeserializationObject
private object _instance;
private Dictionary<string, Type> _fullNameToType = new();
private static Dictionary<Type, MethodInfo> _customDeserializers = new();
private delegate object? DeserializeMethod(DeserializationObject container, string fieldName, Type fieldType);
private static Dictionary<Type, DeserializeMethod> _customDeserializers = new();
/// <summary>
/// Gets the type that was originally stored in the container, or null, if the type doesn't exist.
@@ -69,7 +70,7 @@ public class DeserializationObject
{
if (type.TryGetCustomAttribute<CustomSerializerAttribute>(out var attribute))
{
MethodInfo deserializeMethod = type.GetMethod("Deserialize", BindingFlags.Static | BindingFlags.Public,
MethodInfo? deserializeMethod = type.GetMethod("Deserialize", BindingFlags.Static | BindingFlags.Public,
null,
new []{ typeof(DeserializationObject), typeof(string), typeof(Type) }, null);
@@ -79,7 +80,9 @@ public class DeserializationObject
}
else
{
_customDeserializers.Add(attribute.Type, deserializeMethod);
DeserializeMethod method = deserializeMethod.GetDelegate<DeserializeMethod>();
_customDeserializers.Add(attribute.Type, method);
}
}
}
@@ -264,7 +267,7 @@ public class DeserializationObject
return changed;
}
private bool TryCustomDeserializer(string fieldName, Type fieldType, out object deserializedValue)
private bool TryCustomDeserializer(string fieldName, Type fieldType, out object? deserializedValue)
{
deserializedValue = NoValueDeserialized;
@@ -272,15 +275,15 @@ public class DeserializationObject
{
// Try to match the concrete type first (e.g. Foo -> Foo and Foo<Bar> -> List<Bar>)
// Note: Foo<Bar> wont match a serializer for Foo<>
if (_customDeserializers.TryGetValue(fieldType, out MethodInfo deserializeMethod))
if (_customDeserializers.TryGetValue(fieldType, out DeserializeMethod deserializeMethod))
{
deserializedValue = deserializeMethod.Invoke(null, new object[] { this, fieldName, fieldType });
deserializedValue = deserializeMethod(this, fieldName, fieldType);
return true;
}
if (fieldType.IsGenericType && _customDeserializers.TryGetValue(fieldType.GetGenericTypeDefinition(), out deserializeMethod))
{
deserializedValue = deserializeMethod.Invoke(null, new object[] { this, fieldName, fieldType });
deserializedValue = deserializeMethod(this, fieldName, fieldType);
} return true;
}
catch (Exception e)