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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.Collections.Generic;
using System.Linq;
using System.Threading;
using Microsoft.CodeAnalysis.CSharp.Extensions.ContextQuery;
using Microsoft.CodeAnalysis.CSharp.Utilities;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.CSharp.Completion.KeywordRecommenders;
internal class FileKeywordRecommender : AbstractSyntacticSingleKeywordRecommender
{
private static readonly ISet<SyntaxKind> s_validModifiers = SyntaxKindSet.AllMemberModifiers
.Where(s => s != SyntaxKind.FileKeyword && !SyntaxFacts.IsAccessibilityModifier(s))
.ToSet();
public FileKeywordRecommender()
: base(SyntaxKind.FileKeyword)
{
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
return context.ContainingTypeDeclaration == null
&& context.IsTypeDeclarationContext(s_validModifiers, SyntaxKindSet.AllTypeDeclarations, canBePartial: true, cancellationToken);
}
}
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