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apewer-dotnet/Apewer/Json.cs

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using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
#if !NET20
using System.Dynamic;
using System.IO;
#endif
using System.Reflection;
using static Apewer.NumberUtility;
using static Apewer.RuntimeUtility;
namespace Apewer
{
/// <summary>Json。</summary>
[Serializable]
public sealed class Json
#if !NET20
: DynamicObject
#endif
{
#region 配置。
[NonSerialized]
private static bool _throw = false;
[NonSerialized]
private static bool _recursively = true;
[NonSerialized]
private static bool _forceall = true;
/// <summary>允许抛出 Exception，默认为不允许。</summary>
public static bool AllowException { get { return _throw; } set { _throw = value; } }
/// <summary>当存在递归引用时候包含递归项。指定为 True 时递归项为 Null 值，指定为 False 时不包含递归项。默认值：False。</summary>
public static bool AllowRecursively { get { return _recursively; } set { _recursively = value; } }
/// <summary>将所有类型视为拥有 <see cref="SerializableAttribute" /> 特性。</summary>
/// <remarks>默认值：FALSE。</remarks>
public static bool ForceAll { get => _forceall; set => _forceall = value; }
#endregion
#region 消息
private const string ValueIsNotSupported = "指定的值类型不受支持";
private const string IsNotJsonObject = "当前实例不是 Json 对象。";
private const string IsNotJsonArray = "当前实例不是 Json 数组。";
private const string InvalidIndex = "未指定有效的索引。";
private const string IndexLessZero = "指定的索引小于 0，无效。";
private const string IndexGraterMax = "指定的索引超出了最大值，无效。";
private const string IndexGraterCount = "指定的索引超出了数量，无效。";
#endregion
#region JToken
[NonSerialized]
private JToken _jtoken = null;
[NonSerialized]
private JArray _jarray = null;
[NonSerialized]
private JObject _jobject = null;
[NonSerialized]
private JProperty _jproperty = null;
[NonSerialized]
private JValue _jvalue = null;
static JToken ToJToken(object value)
{
if (value == null) return new JValue(null, JTokenType.Null);
var type = value.GetType();
if (RuntimeUtility.IsNullableType(type)) value = RuntimeUtility.GetNullableValue(value);
if (value == null) return new JValue(null, JTokenType.Null);
if (value is Json json) return json?._jtoken ?? new JValue(null, JTokenType.Null);
if (value is DateTime dt) return new JValue(SerializeDateTime(dt));
if (value is string) return new JValue(value);
if (value is bool) return new JValue(value);
if (value is byte) return new JValue(value);
if (value is sbyte) return new JValue(value);
if (value is short) return new JValue(value);
if (value is ushort) return new JValue(value);
if (value is int) return new JValue(value);
if (value is uint) return new JValue(value);
if (value is long) return new JValue(value);
if (value is ulong uint64) return (uint64 > int.MaxValue) ? new JValue(uint64.ToString()) : new JValue(Convert.ToInt64(uint64));
if (value is float) return new JValue(value);
if (value is double) return new JValue(value);
if (value is decimal) return new JValue(value);
var from = From(value);
if (from != null) return from._jtoken;
throw new ArgumentException(ValueIsNotSupported);
}
static object ParseJToken(JToken jtoken)
{
if (jtoken == null) return null;
if (jtoken is JValue jvalue) return jvalue.Value;
if (jtoken is JObject) return new Json(jtoken);
if (jtoken is JArray) return new Json(jtoken);
if (jtoken is JProperty jproperty)
{
var value = jproperty.Value;
if (value == null) return null;
return ParseJToken(value);
}
throw new InvalidOperationException($"Json 类型 {jtoken.Type} 不支持解析。");
}
#endregion
#region 构造。
#region Reset
/// <summary>重置当前对象为空。</summary>
public void Reset()
{
Construct();
}
/// <summary>使用指定的文本重置当前对象。</summary>
public bool Reset(string json)
{
Construct();
if (json == null)
{
if (AllowException) throw new ArgumentNullException("json", "参数无效。");
return false;
}
var parsed = From(json);
if (parsed == null) return false;
Construct(parsed._jtoken);
return true;
}
/// <summary>使用指定的对象重置当前对象。</summary>
/// <exception cref="System.Exception"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
public bool Reset(Json json)
{
Construct();
if (json == null)
{
if (AllowException) throw new ArgumentNullException("json", "参数无效。");
return false;
}
var parsed = From(json.ToString());
if (parsed == null) return false;
Construct(parsed._jtoken);
return true;
}
/// <summary>使用指定的字典对象重置当前对象。</summary>
/// <exception cref="System.Exception"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
public bool Reset(Dictionary<string, string> dictionary)
{
Construct();
if (dictionary == null)
{
if (AllowException) throw new ArgumentNullException("dictionary", "参数无效。");
return false;
}
var json = NewObject();
foreach (var item in dictionary) json[item.Key] = item.Value;
Construct(json._jtoken);
return true;
}
/// <summary>使用指定的文本字典对象重置当前对象。</summary>
/// <exception cref="System.Exception"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
public bool Reset(TextSet dictionary)
{
Construct();
if (dictionary == null)
{
if (AllowException) throw new ArgumentNullException("dictionary", "参数无效。");
return false;
}
return Reset(dictionary.Origin);
}
/// <summary>使用指定的文本字典对象重置当前对象。</summary>
/// <exception cref="System.Exception"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
public bool Reset(ObjectSet<string> dictionary)
{
Construct();
if (dictionary == null)
{
if (AllowException) throw new ArgumentNullException("dictionary", "参数无效。");
return false;
}
return Reset(dictionary.Origin);
}
#endregion
private void Construct(JToken jtoken = null)
{
_jtoken = jtoken;
_jarray = null;
_jobject = null;
_jproperty = null;
_jvalue = null;
if (_jtoken != null)
{
if (_jtoken is JArray) _jarray = (JArray)_jtoken;
if (_jtoken is JObject) _jobject = (JObject)_jtoken;
if (_jtoken is JProperty) _jproperty = (JProperty)_jtoken;
if (_jtoken is JValue) _jvalue = (JValue)_jtoken;
}
}
private Json(JToken jtoken)
{
Construct(jtoken);
}
/// <summary>创建 Json Object 实例。</summary>
public Json()
{
Construct(new JObject());
}
#endregion
#region 属性。
/// <summary>用于兼容 SimpleJson 的操作。</summary>
public string this[string name] { get => GetProperty(name)?.ToString() ?? ""; set => SetProperty(name, value ?? ""); }
/// <summary>获取或设置数组的元素。</summary>
public object this[int index] { get => GetItem(index); set => SetItem(index, value); }
private JTokenType TokenType
{
get
{
if (_jtoken == null) return JTokenType.None;
else return _jtoken.Type;
//if (_jtoken == null) return 0;
//switch (_jtoken.Type)
//{
// case JTokenType.None: return 0;
// case JTokenType.Object: return 1;
// case JTokenType.Array: return 2;
// case JTokenType.Constructor: return 3;
// case JTokenType.Property: return 4;
// case JTokenType.Comment: return 5;
// case JTokenType.Integer: return 6;
// case JTokenType.Float: return 7;
// case JTokenType.String: return 8;
// case JTokenType.Boolean: return 9;
// case JTokenType.Null: return 10;
// case JTokenType.Undefined: return 11;
// case JTokenType.Date: return 12;
// case JTokenType.Raw: return 13;
// case JTokenType.Bytes: return 14;
// case JTokenType.Guid: return 15;
// case JTokenType.Uri: return 16;
// case JTokenType.TimeSpan: return 17;
// default: return 0;
//}
}
}
/// <summary>
/// <para>获取当前实例的类型。可能的类型：</para>
/// <para>None Object Array Constructor Property Comment Integer Float String</para>
/// <para>Boolean Null Undefined Date Raw Bytes Guid Uri TimeSpan</para>
/// </summary>
public string Type { get { return TokenType.ToString(); } }
/// <summary>实例有效。</summary>
public bool Available { get { return _jtoken != null && TokenType != JTokenType.None; } }
/// <summary>获取当前实例的值，当为 Json 格式时缩进。</summary>
public string Lucid { get { return ToString(true); } }
/// <summary>获取当前实例的值，当为 Json 格式时不缩进。</summary>
public string Text { get { return ToString(false); } }
/// <summary>当前实例类型为 Property 时，获取名称。</summary>
public string Name
{
get { return _jproperty == null ? null : _jproperty.Name; }
}
/// <summary>获取值。</summary>
public object Value
{
get
{
if (_jvalue != null)
{
if (_jvalue.Value == null) return null;
if (_jvalue.Value is JValue jvalue) return jvalue.Value;
if (_jvalue.Value is JToken jtoken) return new Json(jtoken);
else return _jvalue.Value;
}
if (_jproperty != null)
{
if (_jproperty.Value == null) return null;
if (_jproperty.Value is JValue jvalue) return jvalue.Value;
if (_jproperty.Value is JToken jtoken) return new Json(jtoken);
else return _jproperty.Value;
}
return null;
}
}
/// <summary>实例无效。</summary>
public bool IsNull { get { return _jtoken == null; } }
#endregion
#region Private Get
private Json[] PrivateGetProperties { get { return GetProperties(); } }
private Json[] PrivateGetValues { get { return GetValues(); } }
private Json[] PrivateGetObjects { get { return GetObjects(); } }
private Json[] PrivateGetItems { get { return GetItems(); } }
#endregion
#region Object : Get/Set
/// <summary>获取所有类型为 Property 的子项。</summary>
public Json[] GetProperties()
{
var ab = new ArrayBuilder<Json>();
if (_jobject != null)
{
var children = _jobject.Children();
foreach (var child in children)
{
var json = new Json(child);
ab.Add(json);
}
}
return ab.Export();
}
/// <summary>当前实例类型为 Object 时搜索属性，失败时返回 Null。</summary>
/// <param name="name">将要搜索的属性名称，不可为 Null。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public Json GetProperty(string name)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return null;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return null;
}
var children = _jtoken.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
var json = new Json(child.Value);
return json;
}
}
return null;
}
/// <summary>当前实例类型为 Object 时添加属性，值为 Null，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, null);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="property">将要添加的属性。</param>
/// <exception cref="System.ArgumentException"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(Json property)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (property == null)
{
if (_throw) throw new ArgumentNullException("property", "参数无效。");
return false;
}
if (property._jproperty == null || property.TokenType != JTokenType.Property)
{
if (_throw) throw new ArgumentException("property", "将要设置的属性无效。");
return false;
}
var name = property._jproperty.Name;
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, property._jtoken);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, bool value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, string value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, int value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, long value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, float value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, double value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, decimal value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
_jobject.Add(name, value);
return true;
}
/// <summary>当前实例类型为 Object 时添加属性，已存在的属性将被替换。</summary>
/// <param name="name">将要添加的属性名称，不可为 Null。</param>
/// <param name="value">将要添加的属性值。</param>
/// <exception cref="System.ArgumentException"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetProperty(string name, Json value)
{
if (_jobject == null || TokenType != JTokenType.Object)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (name == null)
{
if (_throw) throw new ArgumentNullException("name", "参数无效。");
return false;
}
var children = _jobject.Children<JProperty>();
foreach (var child in children)
{
if (child.Name == name)
{
_jobject.Remove(name);
break;
}
}
if (value == null)
{
_jobject.Add(name, null);
}
else
{
if (value._jtoken == null)
{
_jobject.Add(name, null);
}
else
{
_jobject.Add(name, value._jtoken);
}
}
return true;
}
#endregion
#region Array
/// <summary>获取所有类型为 Value 的子项。</summary>
public Json[] GetValues()
{
var ab = new ArrayBuilder<Json>();
if (_jarray != null)
{
var children = _jarray.Children<JValue>();
foreach (var child in children)
{
var json = new Json(child);
ab.Add(json);
}
}
return ab.Export();
}
/// <summary>获取所有类型为 Object 的子项。</summary>
public Json[] GetObjects()
{
var ab = new ArrayBuilder<Json>();
if (_jarray != null)
{
var children = _jarray.Children<JObject>();
foreach (var child in children)
{
var json = new Json(child);
ab.Add(json);
}
}
return ab.Export();
}
/// <summary>获取 Array 中的所有元素。</summary>
public Json[] GetItems()
{
var ab = new ArrayBuilder<Json>();
if (_jarray != null)
{
var children = _jarray.Children();
foreach (var child in children)
{
var json = new Json(child);
ab.Add(json);
}
}
return ab.Export();
}
/// <summary>当前实例类型为 Array 时添加 Null 元素。</summary>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem()
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(JValue.CreateNull());
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="json">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(Json json)
{
if (json == null)
{
return AddItem();
}
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
if (json._jtoken == null || json.TokenType == JTokenType.None)
{
if (_throw) throw new ArgumentException("json", "将要设置的元素无效。");
return false;
}
_jarray.Add(json._jtoken);
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(string value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value ?? "");
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(bool value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value);
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(int value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value);
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(long value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value);
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(float value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value);
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(double value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value);
return true;
}
/// <summary>当前实例类型为 Array 时添加元素。</summary>
/// <param name="value">将要添加的元素。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool AddItem(decimal value)
{
if (_jarray == null || TokenType != JTokenType.Array)
{
if (_throw) throw new InvalidOperationException("当前实例不支持元素。");
return false;
}
_jarray.Add(value);
return true;
}
/// <summary>从 Parent 中移除。</summary>
/// <exception cref="System.InvalidOperationException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public bool Remove()
{
if (_jtoken == null) return false;
if (_jtoken.Parent == null)
{
if (_throw) throw new InvalidOperationException("Parent 对象丢失。");
return false;
}
try
{
_jtoken.Remove();
return true;
}
catch (Exception exception)
{
if (_throw) throw exception;
return false;
}
}
/// <summary>获取数组的元素。</summary>
/// <exception cref="ArgumentOutOfRangeException" />
/// <exception cref="InvalidOperationException" />
public object GetItem(int index)
{
if (!IsArray) throw new InvalidOperationException(IsNotJsonArray);
if (index < 0) throw new ArgumentOutOfRangeException(nameof(index), IndexLessZero);
var jarray = _jtoken as JArray;
if (index >= jarray.Count) throw new ArgumentOutOfRangeException(nameof(index), IndexGraterCount);
var item = jarray[index];
return ParseJToken(item);
}
/// <summary>设置数组的元素。</summary>
/// <exception cref="ArgumentException" />
/// <exception cref="ArgumentOutOfRangeException" />
/// <exception cref="InvalidOperationException" />
public void SetItem(int index, object value)
{
if (!IsArray) throw new InvalidOperationException(IsNotJsonArray);
if (index < 0) throw new ArgumentOutOfRangeException(nameof(index), IndexLessZero);
var jarray = _jtoken as JArray;
while (jarray.Count < index + 1) jarray.Add(null);
var jtoken = ToJToken(value);
jarray.SetItem(index, jtoken);
}
#endregion
#region Property
/// <summary>Json 对象实例为空。</summary>
public bool IsNone { get { return TokenType == JTokenType.None; } }
/// <summary>Json 对象为 Object 实例。</summary>
public bool IsObject { get { return TokenType == JTokenType.Object; } }
/// <summary>Json 对象为 Array 实例。</summary>
public bool IsArray { get { return TokenType == JTokenType.Array; } }
/// <summary>Json 对象为 Property 实例。</summary>
public bool IsProperty { get { return TokenType == JTokenType.Property; } }
/// <summary>Json 对象为 String 实例。</summary>
public bool IsString { get { return TokenType == JTokenType.String; } }
/// <summary>当前实例类型为 Property 时设置 Null 值。</summary>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue()
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = JValue.CreateNull();
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(Json value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
if (value == null)
{
_jproperty.Value = JValue.CreateNull();
return true;
}
if (value._jtoken == null || value.TokenType == JTokenType.None)
{
_jproperty.Value = JValue.CreateNull();
return true;
}
_jproperty.Value = new JValue(value._jtoken);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(string value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = value == null ? JValue.CreateNull() : JValue.CreateString(value);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(bool value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = new JValue(value);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(int value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = new JValue(value);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(long value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = new JValue(value);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(float value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = new JValue(value);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(double value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = new JValue(value);
return true;
}
/// <summary>当前实例类型为 Property 时设置值。</summary>
/// <param name="value">将要设置的值。</param>
/// <exception cref="System.InvalidOperationException"></exception>
public bool SetValue(decimal value)
{
var available = _jproperty != null && TokenType == JTokenType.Property;
if (!available)
{
if (_throw) throw new InvalidOperationException("当前实例不支持属性。");
return false;
}
_jproperty.Value = new JValue(value);
return true;
}
#endregion
#region Import / Export
#region String -> Json
/// <summary>解析文本为 Json 对象，失败时返回 Null。</summary>
/// <exception cref="System.Exception"></exception>
public static Json From(string text)
{
try
{
var jtoken = JToken.Parse(text);
var json = new Json(jtoken);
return json;
}
catch (Exception exception)
{
if (AllowException) throw exception;
return null;
}
}
#endregion
#region Object -> Json
/// <summary>解析实现 IList 的对象为 Json 对象，失败时返回 Null。</summary>
/// <param name="entity">将要解析的对象。</param>
/// <param name="lower">在 Json 中将属性名称转换为小写。</param>
/// <param name="depth">限制 Json 层级深度，当值小于零时将不限制深度。</param>
/// <param name="force">强制解析属性，忽略 Serializable 特性。</param>
public static Json From(IList entity, bool lower = false, int depth = -1, bool force = false)
{
if (entity == null) return null;
var recursive = new object[] { entity };
return From(entity, lower, recursive, depth, force);
}
/// <summary>解析实现 IDictionary 的对象为 Json 对象，失败时返回 Null。</summary>
/// <param name="entity">将要解析的对象。</param>
/// <param name="lower">在 Json 中将属性名称转换为小写。</param>
/// <param name="depth">限制 Json 层级深度，当值小于零时将不限制深度。</param>
/// <param name="force">强制解析属性，忽略 Serializable 特性。</param>
public static Json From(IDictionary entity, bool lower = false, int depth = -1, bool force = false)
{
if (entity == null) return null;
var recursive = new object[] { entity };
return From(entity, lower, recursive, depth, force);
}
/// <summary>
/// <para>解析对象为 Json 对象，包含所有公共属性，失败时返回 Null。</para>
/// <para>String 对象将解析文本；Json 对象将返回实例；String 对象将解析文本；实现 IDictionary 或 IList 的对象将解析内容。</para>
/// </summary>
/// <param name="entity">将要解析的对象。</param>
/// <param name="lower">在 Json 中将属性名称转换为小写。</param>
/// <param name="depth">限制 Json 层级深度，当值小于零时将不限制深度。</param>
/// <param name="force">强制解析属性，忽略 Serializable 特性。</param>
/// <exception cref="System.Exception"></exception>
public static Json From(object entity, bool lower = false, int depth = -1, bool force = false)
{
if (entity == null) return null;
var recursive = new object[] { entity };
return From(entity, lower, recursive, depth, force);
}
private static Json From(IList list, bool lower, object[] previous, int depth, bool force)
{
if (list == null) return null;
if (list is IToJson) return ((IToJson)list).ToJson();
var checker = list as IToJsonChecker;
var json = NewArray();
try
{
if (list is Array array)
{
if (array != null && array.Rank > 1)
{
ToJson(json, array, array.Rank, new int[0]);
return json;
}
}
foreach (var item in list)
{
// 由 IToJsonChecker 实现的方法检查是否包含元素。
if (checker != null && !checker.WithItemInJson(list, item)) continue;
var value = item;
// 检查递归引用。
var recursively = false;
foreach (var r in previous)
{
if (ReferenceEquals(r, value))
{
if (AllowRecursively) json.AddItem();
recursively = true;
break;
}
}
if (recursively) continue;
// value 是 null。
if (value.IsNull())
{
json.AddItem();
continue;
}
// 处理 Type 对象。
if (value.GetType().Equals(typeof(Type)) && (previous.Length > 2)) value = FullName((Type)value);
// 处理 Assembly 对象。
if (value.GetType().Equals(typeof(Assembly)) && (previous.Length > 2)) value = ((Assembly)value).FullName;
if (value == null) { json.AddItem(); }
else if (value is DateTime dt) { json.AddItem(SerializeDateTime(dt)); }
else if (value is bool) { json.AddItem((bool)value); }
else if (value is byte) { json.AddItem((byte)value); }
else if (value is sbyte) { json.AddItem((sbyte)value); }
else if (value is short) { json.AddItem((short)value); }
else if (value is ushort) { json.AddItem((ushort)value); }
else if (value is int) { json.AddItem((int)value); }
else if (value is uint) { json.AddItem((uint)value); }
else if (value is long) { json.AddItem((long)value); }
else if (value is ulong) { json.AddItem(value.ToString()); }
else if (value is float) { json.AddItem((float)value); }
else if (value is double) { json.AddItem((double)value); }
else if (value is decimal) { json.AddItem((decimal)value); }
else if (value is string) { json.AddItem((string)value); }
else if (value is Json) { json.AddItem(value as Json); }
else
{
if ((depth < 0) || (0 < depth && previous.Length < depth))
{
var recursive = new ArrayBuilder<object>(16);
recursive.Add(previous);
recursive.Add(value);
if (value is IDictionary<string, object> asExpando)
{
var expando = new Dictionary<string, object>(asExpando);
json.AddItem(From(expando, lower, recursive, depth, force));
}
else if (value is IDictionary) { json.AddItem(From(value as IDictionary, lower, recursive, depth, force)); }
else if (value is IList) { json.AddItem(From(value as IList, lower, recursive, depth, force)); }
else { json.AddItem(From(value, lower, recursive, depth, force)); }
}
else
{
json.AddItem(value.ToString());
}
}
}
}
catch { }
return json;
}
private static Json From(IDictionary dictionary, bool lower, object[] previous, int depth, bool force)
{
if (dictionary == null) return null;
if (dictionary is IToJson) return ((IToJson)dictionary).ToJson();
// IDictionary 不再需要 SerializableAttribute 特性。
// {
// var dtype = dictionary.GetType();
// var sas = dtype.GetCustomAttributes(typeof(SerializableAttribute), false);
// if (sas == null || sas.Length < 1) return null;
// }
var checker = dictionary as IToJsonChecker;
var json = NewObject();
try
{
var keys = dictionary.Keys;
foreach (var key in keys)
{
if (key == null) continue;
try
{
var field = key.ToString() ?? "";
if (lower && !string.IsNullOrEmpty(field)) field = field.ToLower();
var value = dictionary[key];
// 检查递归引用。
var recursively = false;
foreach (var r in previous)
{
if (ReferenceEquals(r, value))
{
if (AllowRecursively) json.SetProperty(field);
recursively = true;
break;
}
}
if (recursively) continue;
// 检查 System.Attribute.TypeId。
if (field == "TypeId" || field == "typeid")
{
if ((value != null) && (value is Type))
{
json.SetProperty(field, FullName((Type)value));
continue;
}
}
// 由 IToJsonChecker 实现的方法检查是否包含元素。
if (checker != null && !checker.WithPropertyInJson(dictionary, field, value)) continue;
if (value != null)
{
// 处理 Type 对象。
if (value.GetType().Equals(typeof(Type)) && (previous.Length > 2))
{
value = FullName((Type)value);
}
// 处理 Assembly 对象。
if (value.GetType().Equals(typeof(Assembly)) && (previous.Length > 2))
{
value = ((Assembly)value).FullName;
}
}
if (value == null) { json.SetProperty(field); }
else if (value is DateTime dt) { json.SetProperty(field, SerializeDateTime(dt)); }
else if (value is bool) { json.SetProperty(field, (bool)value); }
else if (value is byte) { json.SetProperty(field, (byte)value); }
else if (value is sbyte) { json.SetProperty(field, (sbyte)value); }
else if (value is short) { json.SetProperty(field, (short)value); }
else if (value is ushort) { json.SetProperty(field, (ushort)value); }
else if (value is int) { json.SetProperty(field, (int)value); }
else if (value is uint) { json.SetProperty(field, (uint)value); }
else if (value is long) { json.SetProperty(field, (long)value); }
else if (value is ulong) { json.SetProperty(field, value.ToString()); }
else if (value is float) { json.SetProperty(field, (float)value); }
else if (value is double) { json.SetProperty(field, (double)value); }
else if (value is decimal) { json.SetProperty(field, (decimal)value); }
else if (value is string) { json.SetProperty(field, (string)value); }
else if (value is Json) { json.SetProperty(field, value as Json); }
else
{
if ((depth < 0) || (0 < depth && previous.Length < depth))
{
var recursive = new ArrayBuilder<object>(16);
recursive.Add(previous);
recursive.Add(value);
if (value is IDictionary) { json.SetProperty(field, From(value as IDictionary, lower, recursive, depth, force)); }
else if (value is IList) { json.SetProperty(field, From(value as IList, lower, recursive, depth, force)); }
else { json.SetProperty(field, From(value, lower, recursive, depth, force)); }
}
else
{
json.SetProperty(field, value.ToString());
}
}
}
catch { }
}
}
catch { }
return json;
}
private static Json From(object entity, bool lower, object[] previous, int depth, bool force)
{
if (entity == null) return null;
if (entity is IToJson) return ((IToJson)entity).ToJson();
if (entity is string) return From(entity as string);
// 递归检查。
var pab = new ArrayBuilder<object>(16);
if (previous != null) pab.Add(previous as IEnumerable<object>);
pab.Add(entity);
var end = depth > 0 && pab.Count >= depth;
// 不可递归类型：类型。
if (entity is Type)
{
var t = entity as Type;
if (t.Equals(typeof(void))) return null;
var tJson = NewObject();
if (end) tJson.SetProperty(lower ? "name" : "Name", FullName(t));
else
{
tJson.SetProperty(lower ? "name" : "Name", t.Name);
if (t.IsGenericType)
{
tJson.SetProperty(lower ? "generic" : "Generic", From(t.GetGenericArguments(), lower, pab, 2, true));
}
tJson.SetProperty(lower ? "namespace" : "Namespace", t.Namespace);
}
tJson.SetProperty(lower ? "assembly" : "Assembly", t.Assembly.Location);
if (end)
{
tJson.SetProperty(lower ? "properties" : "Properties", t.GetProperties().Length);
tJson.SetProperty(lower ? "methods" : "Methods", t.GetMethods().Length);
}
else
{
tJson.SetProperty(lower ? "properties" : "Properties", From(t.GetProperties(), lower, new object[0], 1, true));
tJson.SetProperty(lower ? "methods" : "Methods", From(t.GetMethods(), lower, new object[0], 1, true));
}
return tJson;
}
// 不可递归类型：方法。
if (entity is MethodBase)
{
var mb = entity as MethodBase;
var mbJson = NewObject();
mbJson.SetProperty(lower ? "name" : "Name", mb.Name);
mbJson.SetProperty(lower ? "declaring" : "Declaring", FullName(mb.DeclaringType));
if (mb.IsStatic) mbJson.SetProperty(lower ? "static" : "Static", mb.IsStatic);
if (mb is MethodInfo mi)
{
mbJson.SetProperty(lower ? "type" : "Type", FullName(mi.ReturnType));
}
mbJson.SetProperty(lower ? "parameters" : "Parameters", mb.GetParameters().Length);
return mbJson;
}
// 不可递归类型：成员。
if (entity is MemberInfo)
{
var mi = entity as MemberInfo;
var miJson = NewObject();
miJson.SetProperty(lower ? "name" : "Name", mi.Name);
miJson.SetProperty(lower ? "declaring" : "Declaring", FullName(mi.DeclaringType));
miJson.SetProperty(lower ? "type" : "Type", mi.MemberType.ToString());
if (mi is PropertyInfo pi)
{
var getter = pi.GetGetMethod();
var setter = pi.GetSetMethod();
var isStatic = (getter != null && getter.IsStatic) || (setter != null && setter.IsStatic);
if (isStatic) miJson.SetProperty(lower ? "static" : "Static", isStatic);
miJson.SetProperty(lower ? "get" : "Get", getter != null);
miJson.SetProperty(lower ? "set" : "Set", setter != null);
}
else if (mi is FieldInfo fi)
{
if (fi.IsStatic) miJson.SetProperty(lower ? "static" : "Static", true);
}
return miJson;
}
// 不可递归类型：参数。
if (entity is ParameterInfo)
{
var pi = entity as ParameterInfo;
var piJson = NewObject();
piJson.SetProperty(lower ? "name" : "Name", pi.Name);
piJson.SetProperty(lower ? "type" : "Type", FullName(pi.ParameterType));
return piJson;
}
// 强制序列化。
var exception = entity as Exception;
if (exception != null) force = true;
if (!(force || _forceall) && !CanSerialize(entity.GetType(), false)) return null;
if (entity is Json) { if (lower) Lower(entity as Json); return entity as Json; }
else if (entity is String) { return From((string)entity); }
else if (entity is IDictionary<string, object> asExpando) { return From(new Dictionary<string, object>(asExpando), lower, depth, force); }
else if (entity is IDictionary) { return From(entity as IDictionary, lower, depth, force); }
else if (entity is IList) { return From(entity as IList, lower, depth, force); }
else if (entity is NameValueCollection nc) { return From(CollectionUtility.Dictionary(nc), lower, depth, force); }
var type = entity.GetType();
var independent = RuntimeUtility.Contains<IndependentAttribute>(type);
var checker = entity as IToJsonChecker;
var properties = type.GetProperties();
if (properties.LongLength > 0L)
{
var dict = new Dictionary<string, object>();
// 添加异常类型，并提前加入基类属性。
if (exception != null)
{
dict.Add(lower ? "type" : "Type", FullName(exception.GetType()));
dict.Add(lower ? "message" : "Message", Message(exception));
var exData = exception.Data;
if (exData != null && exData.Count > 0) dict.Add(lower ? "data" : "Data", exData);
var exHelpLink = exception.HelpLink;
if (!string.IsNullOrEmpty(exHelpLink)) dict.Add(lower ? "help" : "Help", exHelpLink);
if (!end)
{
var stackJson = NewArray();
var stackJsonLength = 0;
var stackText = exception.StackTrace;
if (!string.IsNullOrEmpty(stackText))
{
var stackSplit = exception.StackTrace.Split('\r', '\n');
foreach (var stackItem in stackSplit)
{
if (string.IsNullOrEmpty(stackItem)) continue;
var stackTrim = stackItem.Trim();
if (string.IsNullOrEmpty(stackTrim)) continue;
stackJson.AddItem(stackTrim);
stackJsonLength += 1;
}
}
if (stackJsonLength > 0) dict.Add(lower ? "stack" : "Stack", stackJson);
var exTargetSite = exception.TargetSite;
if (exTargetSite != null) dict.Add(lower ? "target" : "Target", From(exTargetSite, lower, pab, depth, true));
}
var innerEx = exception.InnerException;
if (innerEx != null)
{
if (end) dict.Add(lower ? "inner" : "InnerException", FullName(innerEx.GetType()));
else dict.Add(lower ? "inner" : "InnerException", From(innerEx, lower, pab, depth, true));
}
}
foreach (var property in properties)
{
var field = property.Name;
if (field == null) continue;
// 有 Independent 的对象不包含继承属性。
if (independent)
{
if (!property.DeclaringType.Equals(type)) continue;
}
// 异常不包含基类中的属性。
if (exception != null)
{
if (property.DeclaringType.Equals(typeof(Exception))) continue;
}
// 处理 Assembly 对象的 DefinedTypes 和 ExportedTypes 属性。
if (entity is Assembly)
{
var assembly = entity as Assembly;
if (assembly != null)
{
if (field == "DefinedTypes" || field == "ExportedTypes")
{
continue;
}
}
}
var getter = property.GetGetMethod(false);
if (getter == null) continue;
if (getter.IsStatic) continue;
var value = null as object;
try
{
value = getter.Invoke((object)entity, null);
// 由 IToJsonChecker 实现的方法检查是否包含元素。
if (checker != null && !checker.WithPropertyInJson(entity, property, value)) continue;
// 处理 Type 对象。
if (getter.ReturnType.Equals(typeof(Type)) && (previous.Length > 2))
{
value = FullName((Type)value);
}
// 处理 Assembly 对象。
if (getter.ReturnType.Equals(typeof(Assembly)) && (previous.Length > 2))
{
value = ((Assembly)value).FullName;
}
}
catch (Exception ex)
{
value = ex.Message;
}
if (!dict.ContainsKey(field)) dict.Add(field, value);
}
var json = From(dict, lower, previous, depth, force);
return json;
}
else
{
return NewObject();
}
}
private static void ToJson(Json parent, Array array, int rank, int[] indices)
{
var dimension = indices.Length;
var subIndices = new int[dimension + 1];
if (dimension > 0) indices.CopyTo(subIndices, 0);
var subLength = array.GetLength(dimension);
var end = dimension + 1 >= rank;
if (end)
{
var subLinear = new object[subLength];
for (var i = 0; i < subLength; i++)
{
subIndices[dimension] = i;
subLinear[i] = array.GetValue(subIndices);
}
var subJson = Json.From(subLinear);
parent.Reset(subJson);
}
else
{
for (var i = 0; i < subLength; i++)
{
subIndices[dimension] = i;
var subJson = Json.NewArray();
ToJson(subJson, array, rank, subIndices);
parent.AddItem(subJson);
}
}
}
#endregion
#region Json -> String
/// <summary>导出文本，可指定缩进。若类型为 String，则导出 String 值，忽略缩进。</summary>
internal static string Export(Json json, bool indented)
{
if (json == null) return "";
if (json._jtoken == null) return "";
if (json.TokenType == JTokenType.String && json._jvalue != null)
{
return json._jvalue.Value.ToString();
}
return json._jtoken.ToString(indented ? Formatting.Indented : Formatting.None);
}
/// <summary>生成字符串，默认不缩进。若类型为 String，则导出 String 值。</summary>
public override string ToString() => Export(this, false);
/// <summary>生成字符串，可指定缩进。若类型为 String，则导出 String 值，忽略缩进。</summary>
public string ToString(bool indented) => Export(this, indented);
#endregion
#region Json -> Object
/// <summary>填充类型实例，失败时返回 NULL 值。</summary>
internal static T Object<T>(Json json, bool ignoreCase = true, string ignoreCharacters = null, bool force = false) where T : class, new()
{
if (json == null) return null;
if (json._jtoken == null) return null;
if (json.TokenType != JTokenType.Object) return null;
var entity = Object(typeof(T), json, ignoreCase, ignoreCharacters, force);
return entity == null ? default : (T)entity;
}
/// <summary>将 Json 填充到数组列表，失败时返回 NULL 值。</summary>
internal static TItem[] Array<TItem>(Json json, bool ignoreCase = true, string ignoreCharacters = null, bool force = false)
{
if (json == null) return null;
if (json._jtoken == null) return null;
if (json.TokenType != JTokenType.Array) return null;
var instance = Array(typeof(TItem), json, ignoreCase, ignoreCharacters, force);
var array = (TItem[])instance;
return array;
}
static ConstructorInfo GetDeserializeConstructor(Type type)
{
var types = new Type[] { typeof(Json) };
var independent = type.GetConstructor(BindingFlags.Public | BindingFlags.Instance, null, types, null);
if (independent == null) independent = type.GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, types, null);
return independent;
}
/// <summary>创建指定类型的新实例，将 Json 的内容填充到新实例中。</summary>
public static object Object(Type type, Json json, bool ignoreCase, string ignoreCharacters, bool force)
{
// 检查参数。
if (type == null) throw new ArgumentNullException(nameof(type));
if (json == null || json._jtoken == null) return null;
// 类型自己实现反序列化。
var independent = GetDeserializeConstructor(type);
if (independent != null) return independent.Invoke(new object[] { json });
// 是数组。
if (type.IsArray)
{
var itemType = GetTypeOfArrayItem(type);
return Array(itemType, json, ignoreCase, ignoreCharacters, force);
}
// 是列表
if (typeof(IList).IsAssignableFrom(type))
{
var genericTypes = type.GetGenericArguments();
if (genericTypes != null && genericTypes.Length == 1)
{
var genericType = genericTypes[0];
if (genericType != null)
{
var array = Array(genericType, json, ignoreCase, ignoreCharacters, force);
var list = ArrayToList(array, type);
return list;
}
}
}
// 必须是有效的 Json 实例。
if (json.TokenType != JTokenType.Object && json.TokenType != JTokenType.Array) return null;
// 必须有无参数的构造函数。
var constructor = type.GetConstructor(System.Type.EmptyTypes);
if (constructor == null) return null;
// 创建实例。
var entity = constructor.Invoke(null);
var jps = json.GetProperties();
if (jps.Length < 1) return entity;
var etype = entity.GetType();
var eps = etype.GetProperties();
if (eps.Length < 1) return entity;
foreach (var ep in eps)
{
foreach (var jp in jps)
{
var jpn = TextUtility.Trim(jp.Name);
var epn = TextUtility.Trim(ep.Name);
if (ignoreCharacters != null)
{
var characters = ignoreCharacters.ToCharArray();
foreach (var character in characters)
{
jpn.Replace(character.ToString(), "");
epn.Replace(character.ToString(), "");
}
}
if (ignoreCase)
{
if (jpn.Length > 0) jpn = jpn.ToLower();
if (epn.Length > 0) epn = epn.ToLower();
}
if (jpn.Length < 1 || epn.Length < 1) continue;
if (jpn != epn) continue;
var value = jp.Value;
if (value == null) continue;
Property(entity, ep, value, ignoreCase, ignoreCharacters, force);
}
}
return entity;
}
static void Add(object entity, object item, int index)
{
try
{
if (entity is Array array) array.SetValue(item, index);
else if (entity is IList list) list.Add(item);
}
catch (Exception ex)
{
if (_throw) throw ex;
}
}
/// <exception cref="ArgumentNullException" />
internal static object Array(Type itemType, Json json, bool ignoreCase, string ignoreCharacters, bool force)
{
if (itemType == null) throw new ArgumentNullException(nameof(itemType));
if (json == null) return null;
// 必须是有效的 Json 实例。
if (json.TokenType != JTokenType.Array) return null;
// 加入列表。
var items = json.GetItems();
var list = new List<object>(items.Length);
for (var index = 0; index < items.Length; index++)
{
var item = items[index];
if (item == null) list.Add(null);
else if (itemType.Equals(typeof(Json))) list.Add(item);
else if (itemType.Equals(typeof(string))) list.Add(item ? item.Text : null);
else if (itemType.Equals(typeof(byte))) list.Add(Byte(item.Text));
else if (itemType.Equals(typeof(short))) list.Add(Int16(item.Text));
else if (itemType.Equals(typeof(int))) list.Add(Int32(item.Text));
else if (itemType.Equals(typeof(long))) list.Add(Int64(item.Text));
else if (itemType.Equals(typeof(sbyte))) list.Add(SByte(item.Text));
else if (itemType.Equals(typeof(ushort))) list.Add(UInt16(item.Text));
else if (itemType.Equals(typeof(uint))) list.Add(UInt32(item.Text));
else if (itemType.Equals(typeof(ulong))) list.Add(UInt64(item.Text));
else if (itemType.Equals(typeof(float))) list.Add(Single(item.Text));
else if (itemType.Equals(typeof(double))) list.Add(Double(item.Text));
else if (itemType.Equals(typeof(decimal))) list.Add(Decimal(item.Text));
else
{
var serializable = (force || _forceall) ? true : CanSerialize(itemType, false);
if (serializable)
{
var itemInstance = Object(itemType, item, ignoreCase, ignoreCharacters, force);
list.Add(itemInstance);
}
else
{
list.Add(null);
}
}
}
// 输出数组。
var array = System.Array.CreateInstance(itemType, list.Count);
for (var i = 0; i < list.Count; i++) array.SetValue(list[i], i);
return array;
}
private static void Property(object entity, PropertyInfo property, object value, bool ignoreCase, string ignoreCharacters, bool force)
{
if (entity == null) return;
if (property == null) return;
if (value == null) return;
var setter = property.GetSetMethod();
if (setter == null) return;
var pt = property.PropertyType;
var ptname = FullName(property.PropertyType);
if (ptname == FullName(typeof(Json)))
{
if (value is Json) setter.Invoke(entity, new object[] { value });
}
else
{
if (pt.Equals(typeof(DateTime)))
{
if (AllowException)
{
setter.Invoke(entity, new object[] { DeserializeDateTime(value) });
}
else
{
try
{
setter.Invoke(entity, new object[] { DeserializeDateTime(value) });
}
catch { }
}
}
else if (pt.Equals(typeof(string)))
{
if (value is Json asJson) setter.Invoke(entity, new object[] { ((Json)value).TokenType == JTokenType.Null ? null : ((Json)value).Text });
else setter.Invoke(entity, new object[] { value.ToString() });
}
else if (pt.Equals(typeof(bool))) setter.Invoke(entity, new object[] { Boolean(value) });
else if (pt.Equals(typeof(byte))) setter.Invoke(entity, new object[] { Byte(value) });
else if (pt.Equals(typeof(sbyte))) setter.Invoke(entity, new object[] { SByte(value) });
else if (pt.Equals(typeof(short))) setter.Invoke(entity, new object[] { Int16(value) });
else if (pt.Equals(typeof(ushort))) setter.Invoke(entity, new object[] { UInt16(value) });
else if (pt.Equals(typeof(int))) setter.Invoke(entity, new object[] { Int32(value) });
else if (pt.Equals(typeof(uint))) setter.Invoke(entity, new object[] { UInt32(value) });
else if (pt.Equals(typeof(long))) setter.Invoke(entity, new object[] { Int64(value) });
else if (pt.Equals(typeof(ulong))) setter.Invoke(entity, new object[] { UInt64(value) });
else if (pt.Equals(typeof(float))) setter.Invoke(entity, new object[] { Float(value) });
else if (pt.Equals(typeof(double))) setter.Invoke(entity, new object[] { Double(value) });
else if (pt.Equals(typeof(decimal))) setter.Invoke(entity, new object[] { Decimal(value) });
else
{
var serializable = (force || _forceall);
if (!serializable) serializable = CanSerialize(property.PropertyType, false);
if (serializable && value is Json json)
{
if (pt.IsArray)
{
var array = Array(pt.GetElementType(), json, ignoreCase, ignoreCharacters, force);
setter.Invoke(entity, array);
}
else if (typeof(IList).IsAssignableFrom(pt))
{
var genericTypes = pt.GetGenericArguments();
if (genericTypes != null && genericTypes.Length == 1)
{
var genericType = genericTypes[0];
if (genericType != null)
{
var array = Array(genericType, json, ignoreCase, ignoreCharacters, force);
var list = ArrayToList(array, pt);
setter.Invoke(entity, list);
}
}
}
else
{
var @object = Object(pt, json, ignoreCase, ignoreCharacters, force);
setter.Invoke(entity, @object);
}
}
}
}
}
static IList ArrayToList(object array, Type listType)
{
if (listType == null) throw new ArgumentNullException(nameof(listType));
if (array != null && array is Array a)
{
var list = Activator.CreateInstance(listType) as IList;
for (var i = 0; i < a.Length; i++) list.Add(a.GetValue(i));
return list;
}
return null;
}
#endregion
#endregion
#region Dynamic
#if !NET20
/// <summary></summary>
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
if (!IsObject) throw new InvalidOperationException(IsNotJsonObject);
var contains = _jobject.ContainsKey(binder.Name);
if (!contains)
{
result = null;
return true;
}
var jtoken = _jobject.GetValue(binder.Name);
result = ParseJToken(jtoken);
return true;
}
/// <summary></summary>
public override bool TrySetMember(SetMemberBinder binder, object value)
{
if (!IsObject) throw new InvalidOperationException(IsNotJsonObject);
var contains = _jobject.ContainsKey(binder.Name);
if (contains)
{
_jobject[binder.Name] = ToJToken(value);
return true;
}
else
{
_jobject.Add(binder.Name, ToJToken(value));
return true;
}
}
private Class<T> DynamicIndex<T>(object[] indexes, Func<string, T> stringCallback, Func<int, T> intCallback)
{
var index = indexes[0];
if (index != null)
{
if (IsObject)
{
if (index is string name) return new Class<T>(stringCallback.Invoke(name));
}
if (IsArray)
{
if (index is int || index is short || index is byte || index is ushort || index is sbyte)
{
var int32 = int.Parse(index.ToString());
if (int32 < 0) throw new ArgumentOutOfRangeException("index", IndexLessZero);
return new Class<T>(intCallback(int32));
}
else if (index is long int64)
{
if (int64 < 0) throw new ArgumentOutOfRangeException("index", IndexLessZero);
if (int64 > int.MaxValue) throw new ArgumentOutOfRangeException("index", IndexGraterMax);
var int32 = Convert.ToInt32(int64);
return new Class<T>(intCallback(int32));
}
else if (index is uint uint32)
{
if (uint32 > int.MaxValue) throw new ArgumentOutOfRangeException("index", IndexGraterMax);
var int32 = Convert.ToInt32(uint32);
return new Class<T>(intCallback(int32));
}
else if (index is ulong uint64)
{
if (uint64 > int.MaxValue) throw new ArgumentOutOfRangeException("index", IndexGraterMax);
var int32 = Convert.ToInt32(uint64);
return new Class<T>(intCallback(int32));
}
}
}
throw new InvalidOperationException(InvalidIndex);
}
/// <summary></summary>
public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
var box = DynamicIndex(indexes, name =>
{
var property = GetProperty(name);
return ParseJToken(property?._jtoken);
}, index =>
{
return GetItem(index);
});
if (box == null)
{
result = null;
return false;
}
else
{
result = box.Value;
return true;
}
}
/// <summary></summary>
public override bool TrySetIndex(SetIndexBinder binder, object[] indexes, object value)
{
var box = DynamicIndex(indexes, name =>
{
_jobject[name] = ToJToken(value);
return true;
}, index =>
{
SetItem(index, value);
return true;
});
return box != null;
}
/// <summary></summary>
public override bool TryInvoke(InvokeBinder binder, object[] args, out object result)
{
switch (binder.CallInfo.ArgumentNames.First().Lower())
{
case "tostring":
if (args == null)
{
result = ToString();
return true;
}
else
{
switch (args.Length)
{
case 0:
result = ToString();
return true;
case 1:
if (args[0] == null)
{
result = null;
return false;
}
else
{
if (args[0] is bool indented)
{
result = ToString(indented);
return true;
}
else if (args[0] is byte int8)
{
result = ToString(int8 == 1);
return true;
}
else if (args[0] is short int16)
{
result = ToString(int16 == 1);
return true;
}
else if (args[0] is int int32)
{
result = ToString(int32 == 1);
return true;
}
else if (args[0] is long int64)
{
result = ToString(int64 == 1);
return true;
}
else
{
result = null;
return false;
}
}
default:
result = null;
return false;
}
}
default:
result = null;
return false;
}
}
/// <summary></summary>
public override bool TryConvert(ConvertBinder binder, out object result)
{
if (binder.Type.Equals(typeof(Json)))
{
result = this;
return true;
}
if (binder.Type.Equals(typeof(string)))
{
result = ToString();
return true;
}
result = null;
return false;
}
#endif
#endregion
#region 运算符。
/// <summary>从 Json 到 Boolean 的隐式转换，判断 Json 对象可用。</summary>
public static implicit operator bool(Json json) => json != null && json.Available;
/// <summary>从 Json 到 String 的隐式转换，默认不缩进。</summary>
public static implicit operator string(Json json) => Export(json, false);
/// <summary>从 String 到 Json 的隐式转换。</summary>
/// <exception cref="System.Exception"></exception>
public static implicit operator Json(string text) => From(text);
#endregion
#region Statics
#region 创建实例。
/// <summary>创建新对象。</summary>
public static Json NewObject()
{
return new Json(new JObject());
}
/// <summary>创建新对象。</summary>
public static Json NewObject(Dictionary<string, string> dictionary)
{
var json = new Json(null);
json.Reset(dictionary);
return json;
}
/// <summary>创建新对象。</summary>
public static Json NewObject(TextSet dictionary)
{
var json = new Json(null);
json.Reset(dictionary);
return json;
}
/// <summary>创建新对象。</summary>
public static Json NewObject(ObjectSet<string> dictionary)
{
var json = new Json(null);
json.Reset(dictionary);
return json;
}
/// <summary>创建新对象。</summary>
public static Json NewArray()
{
return new Json(new JArray());
}
/// <summary>新建类型为 Property 的实例，值为 Null，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, null));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, string value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, bool value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, int value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, long value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, float value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, double value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, decimal value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
return new Json(new JProperty(name, value));
}
/// <summary>新建类型为 Property 的实例，失败时返回 Null。</summary>
/// <param name="name">Property 名称，不可为 Null。</param>
/// <param name="value">Property 值。</param>
/// <exception cref="System.ArgumentNullException"></exception>
public static Json NewProperty(string name, Json value)
{
if (name == null)
{
if (AllowException) throw new ArgumentNullException("name", "参数无效。");
return null;
}
if (value == null) return new Json(new JProperty(name, null));
return new Json(new JProperty(name, null));
}
#endregion
/// <summary>格式化 Json 文本。</summary>
public static string Format(string text)
{
if (text == null || text == "") return "";
try
{
var serializer = new Newtonsoft.Json.JsonSerializer();
var tr = (System.IO.TextReader)(new System.IO.StringReader(text));
var jtr = new Newtonsoft.Json.JsonTextReader(tr);
var obj = serializer.Deserialize(jtr);
if (obj != null)
{
var textWriter = new System.IO.StringWriter();
var jsonWriter = new Newtonsoft.Json.JsonTextWriter(textWriter)
{
Formatting = Newtonsoft.Json.Formatting.Indented,
Indentation = 4,
IndentChar = ' '
};
serializer.Serialize(jsonWriter, obj);
return textWriter.ToString();
}
else
{
return text;
}
}
catch
{
return text ?? "";
}
}
/// <summary>重命名属性名称。</summary>
public static Json Rename(Json json, Func<string, string> renamer)
{
if (json == null) return null;
switch (json.TokenType)
{
case JTokenType.Array:
var items = json.GetItems();
foreach (var i in items) Rename(i, renamer);
break;
case JTokenType.Object:
var properties = json.GetProperties();
foreach (var i in properties)
{
var name = i._jproperty.Name;
var value = i._jproperty.Value;
if (!string.IsNullOrEmpty(name))
{
var newName = renamer(name);
var newValue = Rename(new Json(value), renamer)?._jtoken;
if (name != newName)
{
i.Remove();
json._jobject.Add(newName, newValue ?? value);
}
}
}
break;
}
return json;
}
/// <summary>设置属性名称为小写。</summary>
public static Json Lower(Json json) => Rename(json, (old) => old.Lower());
/// <summary>设置属性名称为驼峰形式。</summary>
public static Json Camel(Json json) => Rename(json, (old) => TextUtility.Camel(old));
private static bool CanSerialize(Type type, bool inherit = false)
{
if (type == null) return false;
if (type.BaseType.Equals(typeof(Array))) return true;
var interfaces = type.GetInterfaces();
foreach (var i in interfaces)
{
if (i.Equals(typeof(IList))) return true;
}
if (type.Equals(typeof(object))) return false;
var sas = type.GetCustomAttributes(typeof(SerializableAttribute), inherit);
if (sas != null && sas.Length > 0) return true;
var tas = type.GetCustomAttributes(typeof(Source.TableAttribute), inherit);
if (tas != null && tas.Length > 0) return true;
return false;
}
/// <summary>序列化指定对象为 JSON 字符串。</summary>
/// <exception cref="Exception"></exception>
public static string SerializeObject(object @object, Type type = null, bool indented = false, string onError = null) => JsonConvert.SerializeObject(@object, type, indented ? Formatting.Indented : Formatting.None, null);
/// <summary>反序列化 JSON 字符串为指定的类型。</summary>
/// <exception cref="Exception"></exception>
public static T DeserializeObject<T>(string json) => (T)DeserializeObject(json, typeof(T));
/// <summary>反序列化 JSON 字符串为指定的类型。</summary>
/// <exception cref="Exception"></exception>
public static object DeserializeObject(string json, Type type = null) => JsonConvert.DeserializeObject(json, type, (JsonSerializerSettings)null);
#if !NET20
/// <summary>反序列化 JSON 字符串为指定的类型列表。</summary>
/// <typeparam name="T">要反序列化的类型。</typeparam>
/// <param name="json">将要反序列化的 JSON 字符串。</param>
/// <param name="returnNullOnError">发生错误时返回 NULL 值，设置为 FALSE 时返回空 List&lt;<typeparamref name="T"/>&gt; 对象。</param>
/// <returns></returns>
public static T[] DeserializeArray<T>(string json, bool returnNullOnError = false) where T : class
{
try
{
var serializer = new JsonSerializer();
var @object = null as object;
using (var sr = new StringReader(json))
{
using (var jtr = new JsonTextReader(sr))
{
@object = serializer.Deserialize(jtr, typeof(T[]));
}
}
return (@object as T[]) ?? new T[0];
}
catch { return returnNullOnError ? null : new T[0]; }
}
#endif
#endregion
#region DateTime
static Func<DateTime, string> _datetime_serializer = null;
static Func<object, DateTime> _datetime_deserializer = null;
/// <summary>自定义 DateTime 序列化程序。</summary>
public static Func<DateTime, string> DateTimeSerializer { get => _datetime_serializer; set => _datetime_serializer = value; }
/// <summary>自定义 DateTime 反序列化程序。</summary>
public static Func<object, DateTime> DateTimeDeserializer { get => _datetime_deserializer; set => _datetime_deserializer = value; }
/// <summary>序列化 DateTime 实例。</summary>
public static string SerializeDateTime(DateTime dateTime)
{
var serializer = _datetime_serializer;
if (serializer != null) return serializer.Invoke(dateTime);
return ClockUtility.Lucid(dateTime);
}
/// <summary>序列化 DateTime 实例。</summary>
public static DateTime DeserializeDateTime(object value)
{
var deserializer = _datetime_deserializer;
if (deserializer != null) return deserializer.Invoke(value);
try
{
if (value is DateTime dt) return dt;
var text = value.ToString();
var parse = ClockUtility.Parse(text);
if (parse != null) return parse.Value;
}
catch { }
return default;
}
#endregion
}
}