// 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.
 
#nullable disable
 
using Microsoft.CodeAnalysis.CSharp.Syntax;
 
namespace Microsoft.CodeAnalysis.CSharp.ReplacePropertyWithMethods
{
    internal partial class CSharpReplacePropertyWithMethodsService
    {
        private class ConvertValueToReturnsRewriter : CSharpSyntaxRewriter
        {
            public static readonly CSharpSyntaxRewriter Instance = new ConvertValueToReturnsRewriter();
 
            private ConvertValueToReturnsRewriter()
            {
            }
 
            private static XmlNameSyntax ConvertToReturns(XmlNameSyntax name)
                => name.ReplaceToken(name.LocalName, SyntaxFactory.Identifier("returns"));
 
            public override SyntaxNode VisitXmlElementStartTag(XmlElementStartTagSyntax node)
                => IsValueName(node.Name)
                    ? node.ReplaceNode(node.Name, ConvertToReturns(node.Name))
                    : base.VisitXmlElementStartTag(node);
 
            public override SyntaxNode VisitXmlElementEndTag(XmlElementEndTagSyntax node)
                => IsValueName(node.Name)
                    ? node.ReplaceNode(node.Name, ConvertToReturns(node.Name))
                    : base.VisitXmlElementEndTag(node);
        }
    }
}