private async Task ReadContentFromAsync(JsonReader reader, JsonLoadSettings settings, CancellationToken cancellationToken = default) { IJsonLineInfo lineInfo = reader as IJsonLineInfo; JContainer parent = this; do { if (parent is JProperty p && p.Value != null) { if (parent == this) { return; } parent = parent.Parent; } switch (reader.TokenType) { case JsonToken.None: // new reader. move to actual content break; case JsonToken.StartArray: JArray a = new JArray(); a.SetLineInfo(lineInfo, settings); parent.Add(a); parent = a; break; case JsonToken.EndArray: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.StartObject: JObject o = new JObject(); o.SetLineInfo(lineInfo, settings); parent.Add(o); parent = o; break; case JsonToken.EndObject: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.StartConstructor: JConstructor constructor = new JConstructor(reader.Value.ToString()); constructor.SetLineInfo(lineInfo, settings); parent.Add(constructor); parent = constructor; break; case JsonToken.EndConstructor: if (parent == this) { return; } parent = parent.Parent; break; case JsonToken.String: case JsonToken.Integer: case JsonToken.Float: case JsonToken.Date: case JsonToken.Boolean: case JsonToken.Bytes: JValue v = new JValue(reader.Value); v.SetLineInfo(lineInfo, settings); parent.Add(v); break; case JsonToken.Comment: if (settings != null && settings.CommentHandling == CommentHandling.Load) { v = JValue.CreateComment(reader.Value.ToString()); v.SetLineInfo(lineInfo, settings); parent.Add(v); } break; case JsonToken.Null: v = JValue.CreateNull(); v.SetLineInfo(lineInfo, settings); parent.Add(v); break; case JsonToken.Undefined: v = JValue.CreateUndefined(); v.SetLineInfo(lineInfo, settings); parent.Add(v); break; case JsonToken.PropertyName: JProperty property = ReadProperty(reader, settings, lineInfo, parent); if (property != null) { parent = property; } else { await reader.SkipAsync(); } break; default: throw new InvalidOperationException("The JsonReader should not be on a token of type {0}.".FormatWith(CultureInfo.InvariantCulture, reader.TokenType)); } } while (await reader.ReadAsync(cancellationToken).ConfigureAwait(false)); }