mirror of https://github.com/ppy/osu
45 lines
1.9 KiB
C#
45 lines
1.9 KiB
C#
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Linq;
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using System.Reflection;
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using osu.Framework.Bindables;
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using osu.Framework.Extensions.TypeExtensions;
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namespace osu.Game.Utils
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{
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internal static class BindableValueAccessor
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{
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private static readonly MethodInfo get_method = typeof(BindableValueAccessor).GetMethod(nameof(getValue), BindingFlags.Static | BindingFlags.NonPublic)!;
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private static readonly MethodInfo set_method = typeof(BindableValueAccessor).GetMethod(nameof(setValue), BindingFlags.Static | BindingFlags.NonPublic)!;
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public static object GetValue(IBindable bindable)
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{
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Type? bindableWithValueType = bindable.GetType().GetInterfaces().FirstOrDefault(isBindableT);
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if (bindableWithValueType == null)
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return bindable;
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return get_method.MakeGenericMethod(bindableWithValueType.GenericTypeArguments[0]).Invoke(null, [bindable])!;
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}
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public static void SetValue(IBindable bindable, object value)
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{
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Type? bindableWithValueType = bindable.GetType().EnumerateBaseTypes().FirstOrDefault(isBindableT);
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if (bindableWithValueType == null)
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return;
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set_method.MakeGenericMethod(bindableWithValueType.GenericTypeArguments[0]).Invoke(null, [bindable, value]);
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}
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private static bool isBindableT(Type type)
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=> type.IsGenericType
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&& (type.GetGenericTypeDefinition() == typeof(Bindable<>)
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|| type.GetGenericTypeDefinition() == typeof(IBindable<>));
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private static object getValue<T>(object bindable) => ((IBindable<T>)bindable).Value!;
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private static object setValue<T>(object bindable, object value) => ((Bindable<T>)bindable).Value = (T)value;
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}
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}
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