chore: 初始化平芝126kV隔离开关MesProject项目
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yexingqiang
225
Common/00-1Json8.3/Json8.3/Converters/JsonValueConverter.cs
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225
Common/00-1Json8.3/Json8.3/Converters/JsonValueConverter.cs
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#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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#if NETFX_CORE
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Security;
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using Newtonsoft.Json.Utilities;
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using Windows.Data.Json;
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namespace Newtonsoft.Json.Converters
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{
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/// <summary>
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/// Converts a <see cref="IJsonValue"/> to and from JSON.
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/// </summary>
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public class JsonValueConverter : JsonConverter
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{
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/// <summary>
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/// Writes the JSON representation of the object.
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/// </summary>
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/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
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/// <param name="value">The value.</param>
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/// <param name="serializer">The calling serializer.</param>
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public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
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{
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WriteJsonValue(writer, (IJsonValue)value);
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}
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private void WriteJsonValue(JsonWriter writer, IJsonValue value)
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{
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switch (value.ValueType)
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{
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case JsonValueType.Array:
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{
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JsonArray a = value.GetArray();
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writer.WriteStartArray();
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for (int i = 0; i < a.Count; i++)
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{
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WriteJsonValue(writer, a[i]);
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}
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writer.WriteEndArray();
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}
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break;
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case JsonValueType.Boolean:
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{
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writer.WriteValue(value.GetBoolean());
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}
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break;
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case JsonValueType.Null:
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{
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writer.WriteNull();
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}
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break;
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case JsonValueType.Number:
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{
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// JsonValue doesn't support integers
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// serialize whole numbers without a decimal point
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double d = value.GetNumber();
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bool isInteger = (d % 1 == 0);
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if (isInteger && d <= long.MaxValue && d >= long.MinValue)
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writer.WriteValue(Convert.ToInt64(d));
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else
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writer.WriteValue(d);
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}
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break;
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case JsonValueType.Object:
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{
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JsonObject o = value.GetObject();
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writer.WriteStartObject();
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foreach (KeyValuePair<string, IJsonValue> v in o)
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{
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writer.WritePropertyName(v.Key);
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WriteJsonValue(writer, v.Value);
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}
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writer.WriteEndObject();
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}
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break;
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case JsonValueType.String:
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{
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writer.WriteValue(value.GetString());
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}
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break;
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default:
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throw new ArgumentOutOfRangeException("ValueType");
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}
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}
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/// <summary>
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/// Reads the JSON representation of the object.
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/// </summary>
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/// <param name="reader">The <see cref="JsonReader"/> to read from.</param>
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/// <param name="objectType">Type of the object.</param>
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/// <param name="existingValue">The existing value of object being read.</param>
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/// <param name="serializer">The calling serializer.</param>
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/// <returns>The object value.</returns>
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public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
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{
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if (reader.TokenType == JsonToken.None)
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reader.Read();
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IJsonValue value = CreateJsonValue(reader);
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if (!objectType.IsAssignableFrom(value.GetType()))
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throw JsonSerializationException.Create(reader, "Could not convert '{0}' to '{1}'.".FormatWith(CultureInfo.InvariantCulture, value.GetType(), objectType));
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return value;
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}
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private IJsonValue CreateJsonValue(JsonReader reader)
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{
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while (reader.TokenType == JsonToken.Comment)
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{
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if (!reader.Read())
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throw JsonSerializationException.Create(reader, "Unexpected end.");
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}
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switch (reader.TokenType)
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{
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case JsonToken.StartObject:
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{
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return CreateJsonObject(reader);
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}
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case JsonToken.StartArray:
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{
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JsonArray a = new JsonArray();
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while (reader.Read())
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{
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switch (reader.TokenType)
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{
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case JsonToken.EndArray:
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return a;
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default:
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IJsonValue value = CreateJsonValue(reader);
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a.Add(value);
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break;
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}
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}
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}
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break;
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case JsonToken.Integer:
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case JsonToken.Float:
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return JsonValue.CreateNumberValue(Convert.ToDouble(reader.Value, CultureInfo.InvariantCulture));
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case JsonToken.String:
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return JsonValue.CreateStringValue(reader.Value.ToString());
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case JsonToken.Boolean:
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return JsonValue.CreateBooleanValue(Convert.ToBoolean(reader.Value, CultureInfo.InvariantCulture));
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case JsonToken.Null:
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// surely there is a better way to create a null value than this?
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return JsonValue.Parse("null");
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case JsonToken.Date:
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return JsonValue.CreateStringValue(reader.Value.ToString());
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case JsonToken.Bytes:
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return JsonValue.CreateStringValue(reader.Value.ToString());
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default:
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throw JsonSerializationException.Create(reader, "Unexpected or unsupported token: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType));
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}
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throw JsonSerializationException.Create(reader, "Unexpected end.");
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}
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private JsonObject CreateJsonObject(JsonReader reader)
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{
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JsonObject o = new JsonObject();
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string propertyName = null;
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while (reader.Read())
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{
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switch (reader.TokenType)
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{
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case JsonToken.PropertyName:
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propertyName = (string)reader.Value;
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break;
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case JsonToken.EndObject:
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return o;
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case JsonToken.Comment:
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break;
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default:
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IJsonValue propertyValue = CreateJsonValue(reader);
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o.Add(propertyName, propertyValue);
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break;
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}
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}
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throw JsonSerializationException.Create(reader, "Unexpected end.");
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}
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/// <summary>
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/// Determines whether this instance can convert the specified object type.
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/// </summary>
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/// <param name="objectType">Type of the object.</param>
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/// <returns>
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/// <c>true</c> if this instance can convert the specified object type; otherwise, <c>false</c>.
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/// </returns>
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public override bool CanConvert(Type objectType)
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{
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return typeof(IJsonValue).IsAssignableFrom(objectType);
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}
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}
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}
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#endif
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