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103 lines
3.1 KiB
103 lines
3.1 KiB
#nullable enable
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using IPA.Logging;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System;
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using System.IO;
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namespace IPA.Loader.Features
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{
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internal class DefineFeature : Feature
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{
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public static bool NewFeature = true;
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private class DataModel
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{
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[JsonProperty("type", Required = Required.Always)]
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public string TypeName = "";
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[JsonProperty("name", Required = Required.DisallowNull)]
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public string? ActualName = null;
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public string Name => ActualName ?? TypeName;
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}
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private DataModel data = null!;
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protected override bool Initialize(PluginMetadata meta, JObject featureData)
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{
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Logger.Features.Debug("Executing DefineFeature Init");
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try
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{
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data = featureData.ToObject<DataModel>() ?? throw new InvalidOperationException("Feature data is null");
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}
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catch (Exception e)
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{
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InvalidMessage = $"Invalid data: {e}";
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return false;
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}
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InvalidMessage = $"Feature {data.Name} already exists";
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return PreregisterFeature(meta, data.Name);
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}
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public override void BeforeInit(PluginMetadata meta)
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{
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Logger.Features.Debug("Executing DefineFeature AfterInit");
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Type type;
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try
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{
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type = meta.Assembly.GetType(data.TypeName);
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}
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catch (ArgumentException)
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{
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Logger.Features.Error($"Invalid type name {data.TypeName}");
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return;
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}
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catch (Exception e) when (e is FileNotFoundException or FileLoadException or BadImageFormatException)
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{
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var filename = "";
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switch (e)
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{
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case FileNotFoundException fn:
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filename = fn.FileName;
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break;
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case FileLoadException fl:
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filename = fl.FileName;
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break;
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case BadImageFormatException bi:
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filename = bi.FileName;
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break;
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}
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Logger.Features.Error($"Could not find {filename} while loading type");
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return;
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}
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if (type == null)
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{
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Logger.Features.Error($"Invalid type name {data.TypeName}");
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return;
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}
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try
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{
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if (RegisterFeature(meta, data.Name, type))
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{
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NewFeature = true;
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return;
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}
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Logger.Features.Error($"Feature with name {data.Name} already exists");
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return;
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}
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catch (ArgumentException)
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{
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Logger.Features.Error($"{type.FullName} not a subclass of {nameof(Feature)}");
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return;
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}
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}
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}
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}
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