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tangxu

2024-12-29 72e75456f8b30ec5b6f355539d9c883b0f810d21

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using System.Collections.Generic;
 
namespace DPumpHydr.WinFrmUI.WenSkin.Json.Linq.JsonPath
{
    internal class ScanFilter : PathFilter
    {
        public string Name { get; set; }
 
        public override IEnumerable<JToken> ExecuteFilter(IEnumerable<JToken> current, bool errorWhenNoMatch)
        {
            foreach (JToken root in current)
            {
                if (Name == null)
                {
                    yield return root;
                }
                JToken value = root;
                JToken jToken = root;
                while (true)
                {
                    if (jToken != null && jToken.HasValues)
                    {
                        value = jToken.First;
                    }
                    else
                    {
                        while (value != null && value != root && value == value.Parent.Last)
                        {
                            value = value.Parent;
                        }
                        if (value == null || value == root)
                        {
                            break;
                        }
                        value = value.Next;
                    }
                    JProperty jProperty = value as JProperty;
                    if (jProperty != null)
                    {
                        if (jProperty.Name == Name)
                        {
                            yield return jProperty.Value;
                        }
                    }
                    else if (Name == null)
                    {
                        yield return value;
                    }
                    jToken = value as JContainer;
                }
            }
        }
    }
}