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Migrate DI from Microsoft.VisualStudio.Composition to Microsoft.Extensions.DependencyInjectionpull/3314/head
Siegfried Pammer
2 years ago
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GitHub
96 changed files with 311 additions and 427 deletions
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// Copyright (c) 2024 Tom Englert for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System; |
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using System.Collections.Generic; |
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using System.Diagnostics.CodeAnalysis; |
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using System.Linq; |
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using Microsoft.VisualStudio.Composition; |
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using TomsToolbox.Composition; |
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using TomsToolbox.Essentials; |
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namespace ICSharpCode.ILSpy; |
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#nullable enable |
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/// <summary>
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/// Adapter for Microsoft.VisualStudio.Composition.<see cref="ExportProvider"/> to <see cref="IExportProvider"/>.
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/// </summary>
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public sealed class ExportProviderAdapter : IExportProvider |
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{ |
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private static readonly Type DefaultMetadataType = typeof(Dictionary<string, object>); |
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private readonly ExportProvider _exportProvider; |
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/// <summary>
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/// Initializes a new instance of the <see cref="ExportProviderAdapter"/> class.
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/// </summary>
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/// <param name="exportProvider">The export provider.</param>
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public ExportProviderAdapter(ExportProvider exportProvider) |
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{ |
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_exportProvider = exportProvider; |
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} |
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event EventHandler<EventArgs>? IExportProvider.ExportsChanged { add { } remove { } } |
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T IExportProvider.GetExportedValue<T>(string? contractName) where T : class |
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{ |
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return _exportProvider.GetExportedValue<T>(contractName) ?? throw new InvalidOperationException($"No export found for type {typeof(T).FullName} with contract '{contractName}'"); |
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} |
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T? IExportProvider.GetExportedValueOrDefault<T>(string? contractName) where T : class |
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{ |
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return _exportProvider.GetExportedValues<T>(contractName).SingleOrDefault(); |
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} |
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bool IExportProvider.TryGetExportedValue<T>(string? contractName, [NotNullWhen(true)] out T? value) where T : class |
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{ |
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value = _exportProvider.GetExportedValues<T>(contractName).SingleOrDefault(); |
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return !Equals(value, default(T)); |
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} |
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IEnumerable<T> IExportProvider.GetExportedValues<T>(string? contractName) where T : class |
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{ |
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return _exportProvider.GetExportedValues<T>(contractName); |
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} |
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IEnumerable<object> IExportProvider.GetExportedValues(Type contractType, string? contractName) |
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{ |
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return _exportProvider |
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.GetExports(contractType, DefaultMetadataType, contractName) |
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.Select(item => item.Value) |
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.ExceptNullItems(); |
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} |
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IEnumerable<IExport<object>> IExportProvider.GetExports(Type contractType, string? contractName) |
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{ |
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return _exportProvider |
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.GetExports(contractType, DefaultMetadataType, contractName) |
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.Select(item => new ExportAdapter<object>(() => item.Value, new MetadataAdapter((IDictionary<string, object?>)item.Metadata))); |
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} |
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IEnumerable<IExport<T>> IExportProvider.GetExports<T>(string? contractName) where T : class |
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{ |
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return _exportProvider |
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.GetExports(typeof(T), DefaultMetadataType, contractName) |
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.Select(item => new ExportAdapter<T>(() => (T?)item.Value, new MetadataAdapter((IDictionary<string, object?>)item.Metadata))); |
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} |
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IEnumerable<IExport<T, TMetadataView>> IExportProvider.GetExports<T, TMetadataView>(string? contractName) where T : class where TMetadataView : class |
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{ |
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return _exportProvider |
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.GetExports<T, TMetadataView>(contractName) |
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.Select(item => new ExportAdapter<T, TMetadataView>(() => item.Value, item.Metadata)); |
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} |
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} |
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