File: src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Options\IOptionReader.cs
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Project: src\src\CodeStyle\Core\Analyzers\Microsoft.CodeAnalysis.CodeStyle.csproj (Microsoft.CodeAnalysis.CodeStyle)
// 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.Collections.Generic;
using System.Diagnostics;
using System.Text;
using Microsoft.CodeAnalysis.CodeStyle;
using Microsoft.CodeAnalysis.Diagnostics;
 
namespace Microsoft.CodeAnalysis.Options;
 
internal interface IOptionsReader
{
    bool TryGetOption<T>(OptionKey2 optionKey, out T value);
}
 
internal sealed class AnalyzerConfigOptionsReader(AnalyzerConfigOptions options) : IOptionsReader
{
    public readonly AnalyzerConfigOptions Options = options;
 
    public bool TryGetOption<T>(OptionKey2 optionKey, out T value)
        => Options.TryGetEditorConfigOption(optionKey.Option, out value);
}
 
internal static partial class Extensions
{
    public static IOptionsReader GetOptionsReader(this AnalyzerConfigOptions configOptions)
        => configOptions as IOptionsReader ?? new AnalyzerConfigOptionsReader(configOptions);
 
    public static T GetOption<T>(this IOptionsReader options, Option2<T> option)
        => options.TryGetOption<T>(new OptionKey2(option), out var value) ? value! : option.DefaultValue;
 
    public static T GetOption<T>(this IOptionsReader options, Option2<T> option, T defaultValue)
        => options.TryGetOption<T>(new OptionKey2(option), out var value) ? value! : defaultValue;
 
    public static T GetOption<T>(this IOptionsReader options, PerLanguageOption2<T> option, string language)
        => options.TryGetOption<T>(new OptionKey2(option, language), out var value) ? value! : option.DefaultValue;
 
    public static T GetOption<T>(this IOptionsReader options, PerLanguageOption2<T> option, string language, T defaultValue)
        => options.TryGetOption<T>(new OptionKey2(option, language), out var value) ? value! : defaultValue;
 
    public static T GetOptionValue<T>(this IOptionsReader options, Option2<CodeStyleOption2<T>> option)
        => GetOptionValue(options, option, option.DefaultValue.Value);
 
    public static T GetOptionValue<T>(this IOptionsReader options, Option2<CodeStyleOption2<T>> option, T defaultValue)
        => options.TryGetOption<CodeStyleOption2<T>>(new OptionKey2(option), out var style) ? style!.Value : defaultValue;
 
    public static T GetOptionValue<T>(this IOptionsReader options, PerLanguageOption2<CodeStyleOption2<T>> option, string language)
        => GetOptionValue(options, option, language, option.DefaultValue.Value);
 
    public static T GetOptionValue<T>(this IOptionsReader options, PerLanguageOption2<CodeStyleOption2<T>> option, string language, T defaultValue)
        => options.TryGetOption<CodeStyleOption2<T>>(new OptionKey2(option, language), out var style) ? style!.Value : defaultValue;
}