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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Host;
using Microsoft.CodeAnalysis.Options;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis;
internal interface OptionsProvider<TOptions>
{
ValueTask<TOptions> GetOptionsAsync(LanguageServices languageServices, CancellationToken cancellationToken);
}
internal static class OptionsProvider
{
private sealed class OptionsReaderProvider<TOptions>(IOptionsReader optionsReader, Func<IOptionsReader, string, TOptions> reader) : OptionsProvider<TOptions>
{
public ValueTask<TOptions> GetOptionsAsync(LanguageServices languageServices, CancellationToken cancellationToken)
=> ValueTaskFactory.FromResult(reader(optionsReader, languageServices.Language));
}
public static OptionsProvider<TOptions> GetProvider<TOptions>(this IOptionsReader optionsReader, Func<IOptionsReader, string, TOptions> reader)
=> new OptionsReaderProvider<TOptions>(optionsReader, reader);
}
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