// 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 Roslyn.LanguageServer.Protocol;
using System.Text.Json.Serialization;
 
namespace Microsoft.CodeAnalysis.LanguageServer.Handler;
 
/// <summary>
/// Derived version of <see cref="DocumentSymbol" /> used so we can pass additional information we do not want lost for our
/// internal consumers.  For example, the richer <see cref="Glyph"/> which is a superset of <see
/// cref="DocumentSymbol.Kind"/>.
/// </summary>
internal sealed class RoslynDocumentSymbol : DocumentSymbol
{
    [JsonPropertyName("glyph")]
    public int Glyph { get; set; }
 
    // Deliberately override the value in the base so that our serializers/deserializers know to include the custom
    // data we have on the children as well.
    [JsonPropertyName("children")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public new RoslynDocumentSymbol[]? Children
    {
        get => (RoslynDocumentSymbol[]?)base.Children;
        set => base.Children = value;
    }
}