blob: d69669788b194374b8de1c1995a61d8b05f715ec (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
namespace StardewModdingAPI.Framework.Reflection
{
/// <inheritdoc />
internal class OriginalInterfaceProxyFactory : IInterfaceProxyFactory
{
/*********
** Fields
*********/
/// <summary>The CLR module in which to create proxy classes.</summary>
private readonly ModuleBuilder ModuleBuilder;
/// <summary>The generated proxy types.</summary>
private readonly IDictionary<string, OriginalInterfaceProxyBuilder> Builders = new Dictionary<string, OriginalInterfaceProxyBuilder>();
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
public OriginalInterfaceProxyFactory()
{
AssemblyBuilder assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(new AssemblyName($"StardewModdingAPI.Proxies, Version={this.GetType().Assembly.GetName().Version}, Culture=neutral"), AssemblyBuilderAccess.Run);
this.ModuleBuilder = assemblyBuilder.DefineDynamicModule("StardewModdingAPI.Proxies");
}
/// <inheritdoc />
public TInterface CreateProxy<TInterface>(object instance, string sourceModID, string targetModID)
where TInterface : class
{
lock (this.Builders)
{
// validate
if (instance == null)
throw new InvalidOperationException("Can't proxy access to a null API.");
if (!typeof(TInterface).IsInterface)
throw new InvalidOperationException("The proxy type must be an interface, not a class.");
// get proxy type
Type targetType = instance.GetType();
string proxyTypeName = $"StardewModdingAPI.Proxies.From<{sourceModID}_{typeof(TInterface).FullName}>_To<{targetModID}_{targetType.FullName}>";
if (!this.Builders.TryGetValue(proxyTypeName, out OriginalInterfaceProxyBuilder? builder))
{
builder = new OriginalInterfaceProxyBuilder(proxyTypeName, this.ModuleBuilder, typeof(TInterface), targetType);
this.Builders[proxyTypeName] = builder;
}
// create instance
return (TInterface)builder.CreateInstance(instance);
}
}
}
}
|
