// 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.Threading;
using Microsoft.CodeAnalysis.CSharp.Extensions.ContextQuery;
 
namespace Microsoft.CodeAnalysis.CSharp.Completion.KeywordRecommenders
{
    internal class OperatorKeywordRecommender : AbstractSyntacticSingleKeywordRecommender
    {
        public OperatorKeywordRecommender()
            : base(SyntaxKind.OperatorKeyword)
        {
        }
 
        protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
        {
            // cases:
            //   public static implicit |
            //   public static explicit |
            var token = context.TargetToken;
 
            return
                token.Kind() is SyntaxKind.ImplicitKeyword or
                SyntaxKind.ExplicitKeyword;
        }
    }
}