将以往的代码复制到代码库
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于智纯
149
Future.Contract/Extensions/FutureHelper.cs
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149
Future.Contract/Extensions/FutureHelper.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Runtime.Serialization.Json;
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using System.Windows.Markup;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.IO;
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using System.Windows.Controls;
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using System.Diagnostics.Eventing.Reader;
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using System.Windows.Media;
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using System.Windows;
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using System.Windows.Controls.Primitives;
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using Shapes = System.Windows.Shapes;
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using System.Xml.Linq;
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namespace Future.Contract
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{
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/// <summary>
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/// 通用扩展方法承载类型
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/// </summary>
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public static partial class FutureHelper
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{
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/// <summary>
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/// 用于构建扩展方法的执行环境
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/// </summary>
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static FutureHelper()
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{
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KnownTypes.Add(typeof(List<object>)); //JsonArray
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KnownTypes.Add(typeof(Dictionary<string, object>)); //JsonObject
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//TODO:对象的序列化=>为序列化器装载可感知类型清单
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}
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/// <summary>
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/// 序列化器可感知类型清单
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/// </summary>
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private readonly static List<Type> KnownTypes = new List<Type>();
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/// <summary>
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/// 从流中读取一个Json格式表示的对象
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/// </summary>
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/// <typeparam name="T">要读取的对象的类型</typeparam>
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/// <param name="origin">存放数据的原始数据流</param>
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/// <returns>被读出的数据对象</returns>
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public static T Decode4Json<T>(this System.IO.Stream origin)
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{
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if (origin == null) return default(T);
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return (T)new DataContractJsonSerializer(typeof(T), knownTypes: KnownTypes).ReadObject(origin);
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}
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public static T Decode4Json<T>(this string origin)
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{
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if (origin == null) return default(T);
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MemoryStream memoryStream = new MemoryStream(Encoding.Default.GetBytes(origin));
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return (T)new DataContractJsonSerializer(typeof(T), knownTypes: KnownTypes).ReadObject(memoryStream);
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}
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/// <summary>
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/// 向流中以Json格式写入一个对象
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/// </summary>
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/// <param name="graph">要写入的源对象</param>
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/// <param name="target">准备写入的流</param>
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public static void Encode2Json(this object graph, System.IO.Stream target)
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{
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DataContractJsonSerializer mSerializer = new DataContractJsonSerializer(graph.GetType(), knownTypes: KnownTypes);
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mSerializer.WriteObject(target, graph);
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}
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/// <summary>
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/// 从Xaml文档中读取一个对象
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/// </summary>
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/// <typeparam name="T">要读取的对象类型</typeparam>
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/// <param name="xaml">存储对象的Xaml文档</param>
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/// <returns>被读取出的数据对象</returns>
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public static T Decode4Xaml<T>(this string xaml) => (T)XamlReader.Parse(xaml);
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/// <summary>
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/// 将一个对象编译成Xaml文档
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/// </summary>
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/// <param name="graph">要进行编译的源数据对象</param>
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/// <returns>编译完成的Xaml文档</returns>
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public static string Encode2Xaml(this object graph) => XamlWriter.Save(graph);
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/// <summary>
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/// 在确定目标类型的前提下，根据文本表示的值表达式获取真实的值对象
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/// </summary>
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/// <param name="type">目标类型枚举值</param>
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/// <param name="vExp">值表达式</param>
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/// <returns>如果值表达式有效则返回表达式代表的值，否则返回目标类型的默认值</returns>
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public static object Evaluate(this EParameterType type, string vExp)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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/// 获取参数类型枚举的中文名称与简要说明
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/// </summary>
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/// <param name="type">预置参数类型</param>
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/// <returns>参数类型的描述字符串</returns>
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public static string GetParameterTypeNameAndRemark(this EParameterType type)
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{
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switch (type)
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{
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case EParameterType.Boolean: return "布尔类型：真实值为 bool 类型；即，true/false";
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case EParameterType.DateTime: { } return "时间日期：掩码格式为 yyyy-mm-dd HH:mm:ss";
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case EParameterType.Enums: { } return "枚举类型：真实值为 Int 类型数值";
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case EParameterType.Integer: { } return "整数类型：真实值为 Int 类型数值";
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case EParameterType.Number: { } return "数值类型：真实值为 Double 类型数值";
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case EParameterType.String: { } return "文本类型：真实值为 String 类型";
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case EParameterType.RichText: { } return "富文本型：真实值为 String 类型";
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case EParameterType.Variant: { } return "可变类型：真实值可以为 Json 支持的各种基本类型";//所有引擎需要的类型也是使用这个类型存储的
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case EParameterType.IntArray: return "整数集合：真实值为 Int[] 类型";
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case EParameterType.NumArray: return "数值集合：真实值为 Double[] 类型";
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case EParameterType.TxtArray: return "文本集合：真实值为 String[] 类型";
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case EParameterType.ValArray: { } return "变量集合：真实值为 Object[] 类型";
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case EParameterType.Byte: return "字节类型：真实值为 Byte 类型";
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case EParameterType.Word: return "单字类型：真实值为 Byte[2] 类型";
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case EParameterType.DWord: return "双字类型：真实值为 Byte[4] 类型";
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case EParameterType.LWord: return "长字类型：真实值为 Byte[8] 类型";
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case EParameterType.ByteArray: return "字节数组：真实值为 Byte[?] 类型";
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default: return "未知类型：枚举值超界，出现未定义的类型！";
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}
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}
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/// <summary>
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/// 获取参数类型枚举的中文名称
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/// </summary>
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/// <param name="type">预置参数类型</param>
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/// <returns>参数类型的描述字符串</returns>
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public static string GetParameterTypeName(this EParameterType type)
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{
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switch (type)
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{
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case EParameterType.Boolean: return "布尔类型";
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case EParameterType.DateTime: { } return "时间日期";
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case EParameterType.Enums: { } return "枚举类型";
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case EParameterType.Integer: { } return "整数类型";
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case EParameterType.Number: { } return "数值类型";
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case EParameterType.String: { } return "文本类型";
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case EParameterType.RichText: { } return "富文本型";
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case EParameterType.Variant: { } return "可变类型";//所有引擎需要的类型也是使用这个类型存储的
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case EParameterType.IntArray: return "整数集合";
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case EParameterType.NumArray: return "数值集合";
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case EParameterType.TxtArray: return "文本集合";
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case EParameterType.ValArray: { } return "变量集合";
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case EParameterType.Byte: return "字节类型";
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case EParameterType.Word: return "单字类型";
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case EParameterType.DWord: return "双字类型";
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case EParameterType.LWord: return "长字类型";
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case EParameterType.ByteArray: return "字节数组";
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default: return "???类型";
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}
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}
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}
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}
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