// 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.Composition;

namespace Microsoft.CodeAnalysis.ExternalAccess.AspNetCore.EmbeddedLanguages;

/// <summary>
/// Use this attribute to export a <see cref="IAspNetCoreEmbeddedLanguageClassifier"/>.
/// </summary>
[MetadataAttribute]
[AttributeUsage(AttributeTargets.Class, Inherited = false)]
internal sealed class ExportAspNetCoreEmbeddedLanguageClassifierAttribute : ExportAttribute
{
    /// <summary>
    /// Name of the classifier.
    /// </summary>
    public string Name { get; }

    /// <summary>
    /// Name of the containing language hosting the embedded language.  e.g. C# or VB.
    /// </summary>
    public string Language { get; }

    public ExportAspNetCoreEmbeddedLanguageClassifierAttribute(
        string name, string language)
        : base(typeof(IAspNetCoreEmbeddedLanguageClassifier))
    {
        Name = name ?? throw new ArgumentNullException(nameof(name));
        Language = language ?? throw new ArgumentNullException(nameof(language));
    }
}