pos/is4c-nf/scale-drivers/drivers/NewMagellan/Newtonsoft.Json/Linq/JsonPath/PathFilter.cs
using System.Collections.Generic;
using System.Globalization;
using Newtonsoft.Json.Utilities;
namespace Newtonsoft.Json.Linq.JsonPath
{
internal abstract class PathFilter
{
public abstract IEnumerable<JToken> ExecuteFilter(IEnumerable<JToken> current, bool errorWhenNoMatch);
protected static JToken GetTokenIndex(JToken t, bool errorWhenNoMatch, int index)
{
JArray a = t as JArray;
JConstructor c = t as JConstructor;
if (a != null)
{
if (a.Count <= index)
{
if (errorWhenNoMatch)
throw new JsonException("Index {0} outside the bounds of JArray.".FormatWith(CultureInfo.InvariantCulture, index));
return null;
}
return a[index];
}
else if (c != null)
{
if (c.Count <= index)
{
if (errorWhenNoMatch)
throw new JsonException("Index {0} outside the bounds of JConstructor.".FormatWith(CultureInfo.InvariantCulture, index));
return null;
}
return c[index];
}
else
{
if (errorWhenNoMatch)
throw new JsonException("Index {0} not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, index, t.GetType().Name));
return null;
}
}
}
}