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https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-03 00:00:49 +08:00
将部分节点基类与表达式工具类从nodeflow迁移到library,重写了环境与工作台的交互,解耦节点的获取,下一部分将尝试远程登录环境编辑流程。
This commit is contained in:
775
Library/Utils/SereinExpression/SereinConditionParser.cs
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775
Library/Utils/SereinExpression/SereinConditionParser.cs
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using Newtonsoft.Json.Linq;
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using Serein.Library.Utils;
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using Serein.NodeFlow.Tool.SereinExpression.Resolver;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Design;
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using System.Globalization;
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using System.Linq;
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using System.Reflection;
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namespace Serein.NodeFlow.Tool.SereinExpression
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{
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/// <summary>
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/// 字符串工具类
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/// </summary>
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public static class StringHelper
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{
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/// <summary>
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/// Net低版本无法引入Skip函数,所以使用扩展方法代替
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="source"></param>
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/// <param name="count"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentNullException"></exception>
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public static IEnumerable<T> MySkip<T>(this IEnumerable<T> source, int count)
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{
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if (source == null)
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throw new ArgumentNullException(nameof(source));
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int skipped = 0;
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foreach (var item in source)
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{
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if (skipped++ >= count)
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yield return item;
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}
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}
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public static string JoinStrings(string[] parts, int startIndex, int count, char separator)
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{
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if (parts == null)
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throw new ArgumentNullException(nameof(parts));
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if (startIndex < 0 || startIndex >= parts.Length || count < 0 || startIndex + count > parts.Length)
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throw new ArgumentOutOfRangeException();
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// 复制需要的部分到新的数组
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string[] subArray = new string[count];
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Array.Copy(parts, startIndex, subArray, 0, count);
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// 使用 string.Join 连接
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return string.Join(separator.ToString(), subArray);
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}
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}
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public class SereinConditionParser
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{
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public static bool To<T>(T data, string expression)
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{
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try
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{
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if (string.IsNullOrEmpty(expression))
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{
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return false;
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}
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var parse = ConditionParse(data, expression);
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var result = parse.Evaluate(data);
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return result;
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex);
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throw;
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}
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}
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public static SereinConditionResolver ConditionParse(object data, string expression)
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{
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if (expression.StartsWith(".")) // 表达式前缀属于从上一个节点数据对象获取成员值
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{
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return ParseObjectExpression(data, expression);
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}
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else
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{
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return ParseSimpleExpression(data, expression);
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}
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//bool ContainsArithmeticOperators(string expression)
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//{
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// return expression.Contains('+') || expression.Contains('-') || expression.Contains('*') || expression.Contains('/');
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//}
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}
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/// <summary>
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/// 获取计算表达式的部分
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/// </summary>
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/// <param name="part"></param>
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/// <returns></returns>
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private static string GetArithmeticExpression(string part)
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{
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int startIndex = part.IndexOf('[');
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int endIndex = part.IndexOf(']');
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if (startIndex >= 0 && endIndex > startIndex)
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{
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return part.Substring(startIndex + 1, endIndex - startIndex - 1);
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}
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return null;
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}
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/// <summary>
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/// 获取对象指定名称的成员
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/// </summary>
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private static object GetMemberValue(object obj, string memberPath)
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{
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//string[] members = memberPath[1..].Split('.');
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string[] members = memberPath.Substring(1).Split('.');
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foreach (var member in members)
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{
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if (obj is null) return null;
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Type type = obj.GetType();
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PropertyInfo propertyInfo = type.GetProperty(member);
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FieldInfo fieldInfo = type.GetField(member);
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if (propertyInfo != null)
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obj = propertyInfo.GetValue(obj);
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else if (fieldInfo != null)
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obj = fieldInfo.GetValue(obj);
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else
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throw new ArgumentException($"Member {member} not found in type {type.FullName}");
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}
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return obj;
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}
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/// <summary>
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/// 解析对象表达式
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/// </summary>
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private static SereinConditionResolver ParseObjectExpression(object data, string expression)
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{
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var parts = expression.Split(' ');
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string operatorStr = parts[0]; // 获取操作类型
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string valueStr; //= string.Join(' ', parts, 1, parts.Length - 1);
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string memberPath;
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Type type;
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object targetObj;
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// 尝试获取指定类型
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int typeStartIndex = expression.IndexOf('<');
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int typeEndIndex = expression.IndexOf('>');
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if (typeStartIndex + typeStartIndex == -2)
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{
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// 如果不需要转为指定类型
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memberPath = operatorStr;
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targetObj = SerinExpressionEvaluator.Evaluate("@get " + operatorStr, data, out _);
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//targetObj = GetMemberValue(data, operatorStr);
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type = targetObj.GetType();
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operatorStr = parts[1].ToLower(); //
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valueStr = string.Join(" ", parts.Skip(2));
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}
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else
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{
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// 类型语法不正确
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if (typeStartIndex >= typeEndIndex)
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{
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throw new ArgumentException("无效的表达式格式");
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}
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memberPath = expression.Substring(0, typeStartIndex).Trim();
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string typeStr = expression.Substring(typeStartIndex + 1, typeEndIndex - typeStartIndex - 1)
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.Trim().ToLower(); // 手动置顶的类型
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// 对象取值表达式
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parts = expression.Substring(typeEndIndex + 1).Trim().Split(' ');
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if (parts.Length == 3)
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{
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operatorStr = parts[1].ToLower(); // 操作类型
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valueStr = string.Join(" ", parts.Skip(2)); // 表达式值
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}
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else
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{
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operatorStr = parts[0].ToLower(); // 操作类型
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valueStr = string.Join(" ", parts.Skip(1)); // 表达式值
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}
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Type tempType;
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switch (typeStr)
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{
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case "bool":
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tempType = typeof(bool);
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break;
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case "float":
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tempType = typeof(float);
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break;
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case "decimal":
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tempType = typeof(decimal);
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break;
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case "double":
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tempType = typeof(double);
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break;
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case "sbyte":
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tempType = typeof(sbyte);
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break;
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case "byte":
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tempType = typeof(byte);
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break;
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case "short":
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tempType = typeof(short);
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break;
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case "ushort":
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tempType = typeof(ushort);
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break;
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case "int":
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tempType = typeof(int);
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break;
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case "uint":
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tempType = typeof(uint);
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break;
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case "long":
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tempType = typeof(long);
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break;
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case "ulong":
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tempType = typeof(ulong);
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break;
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// 如果需要支持 nint 和 nuint
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// case "nint":
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// tempType = typeof(nint);
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// break;
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// case "nuint":
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// tempType = typeof(nuint);
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// break;
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case "string":
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tempType = typeof(string);
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break;
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default:
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tempType = Type.GetType(typeStr);
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break;
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}
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type = tempType ?? throw new ArgumentException("对象表达式无效的类型声明");
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if (string.IsNullOrWhiteSpace(memberPath))
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{
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targetObj = Convert.ChangeType(data, type);
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}
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else
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{
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targetObj = GetMemberValue(data, memberPath);// 获取对象成员,作为表达式的目标对象
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}
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}
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#region 解析类型 int
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if (type.IsValueType)
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{
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//return GetValueResolver(type, valueStr, operatorStr, parts);
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}
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if (type == typeof(int))
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{
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var op = ParseValueTypeOperator<int>(operatorStr);
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if (op == ValueTypeConditionResolver<int>.Operator.InRange || op == ValueTypeConditionResolver<int>.Operator.OutOfRange)
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{
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var temp = valueStr.Split('-');
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if (temp.Length < 2)
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throw new ArgumentException($"范围无效:{valueStr}。");
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int rangeStart = int.Parse(temp[0], CultureInfo.InvariantCulture);
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int rangeEnd = int.Parse(temp[1], CultureInfo.InvariantCulture);
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return new MemberConditionResolver<int>
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{
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Op = op,
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RangeStart = rangeStart,
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RangeEnd = rangeEnd,
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TargetObj = targetObj,
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ArithmeticExpression = GetArithmeticExpression(parts[0]),
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};
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}
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else
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{
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int value = int.Parse(valueStr, CultureInfo.InvariantCulture);
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return new MemberConditionResolver<int>
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{
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TargetObj = targetObj,
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//MemberPath = memberPath,
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Op = ParseValueTypeOperator<int>(operatorStr),
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Value = value,
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ArithmeticExpression = GetArithmeticExpression(parts[0])
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};
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}
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}
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#endregion
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#region 解析类型 double
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else if (type == typeof(double))
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{
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double value = double.Parse(valueStr, CultureInfo.InvariantCulture);
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return new MemberConditionResolver<double>
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{
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//MemberPath = memberPath,
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TargetObj = targetObj,
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Op = ParseValueTypeOperator<double>(operatorStr),
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Value = value,
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ArithmeticExpression = GetArithmeticExpression(parts[0])
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};
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}
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#endregion
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#region 解析类型 bool
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else if (type == typeof(bool))
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{
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return new MemberConditionResolver<bool>
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{
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//MemberPath = memberPath,
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TargetObj = targetObj,
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Op = (ValueTypeConditionResolver<bool>.Operator)ParseBoolOperator(operatorStr)
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};
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}
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#endregion
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#region 解析类型 string
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else if (type == typeof(string))
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{
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return new MemberStringConditionResolver
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{
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MemberPath = memberPath,
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Op = ParseStringOperator(operatorStr),
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Value = valueStr
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};
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}
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#endregion
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throw new NotSupportedException($"Type {type} is not supported.");
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}
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/// <summary>
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/// 条件表达式解析
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/// </summary>
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/// <param name="data"></param>
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/// <param name="expression"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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/// <exception cref="NotSupportedException"></exception>
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private static SereinConditionResolver ParseSimpleExpression(object data, string expression)
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{
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if ("pass".Equals(expression.ToLower()))
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{
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return new PassConditionResolver
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{
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Op = PassConditionResolver.Operator.Pass,
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};
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}
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else
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{
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if ("not pass".Equals(expression.ToLower()))
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{
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return new PassConditionResolver
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{
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Op = PassConditionResolver.Operator.NotPass,
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};
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}
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if ("!pass".Equals(expression.ToLower()))
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{
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return new PassConditionResolver
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{
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Op = PassConditionResolver.Operator.NotPass,
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};
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}
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}
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var parts = expression.Split(' ');
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if (parts.Length < 2)
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throw new ArgumentException("无效的表达式格式。");
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string operatorStr;
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string valueStr;
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Type type = null;
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// 尝试获取指定类型
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int typeStartIndex = expression.IndexOf('<');
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int typeEndIndex = expression.IndexOf('>');
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if (typeStartIndex + typeStartIndex == -2)
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{
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// 如果不需要转为指定类型
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operatorStr = parts[0];
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#if NET8_0_OR_GREATER
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valueStr = string.Join(' ', parts, 1, parts.Length - 1);
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#elif NET462_OR_GREATER
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valueStr = StringHelper.JoinStrings(parts, 1, parts.Length - 1, ' ');
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#endif
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type = data.GetType();
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}
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else
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{//string typeStr = parts[0];
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string typeStr = expression.Substring(typeStartIndex + 1, typeEndIndex - typeStartIndex - 1)
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.Trim().ToLower(); // 手动置顶的类型
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parts = expression.Substring(typeEndIndex + 1).Trim().Split(' ');
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operatorStr = parts[0].ToLower(); // 操作类型
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valueStr = string.Join(" ", parts.Skip(1)); // 表达式值
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Type tempType;
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switch (typeStr)
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{
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case "bool":
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tempType = typeof(bool);
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break;
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case "float":
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tempType = typeof(float);
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break;
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case "decimal":
|
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tempType = typeof(decimal);
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break;
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case "double":
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tempType = typeof(double);
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break;
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case "sbyte":
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tempType = typeof(sbyte);
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break;
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case "byte":
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tempType = typeof(byte);
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break;
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case "short":
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tempType = typeof(short);
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break;
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case "ushort":
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tempType = typeof(ushort);
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break;
|
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case "int":
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tempType = typeof(int);
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break;
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case "uint":
|
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tempType = typeof(uint);
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||||
break;
|
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case "long":
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tempType = typeof(long);
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break;
|
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case "ulong":
|
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tempType = typeof(ulong);
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break;
|
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// 如果需要支持 nint 和 nuint
|
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// case "nint":
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// tempType = typeof(nint);
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// break;
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// case "nuint":
|
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// tempType = typeof(nuint);
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// break;
|
||||
case "string":
|
||||
tempType = typeof(string);
|
||||
break;
|
||||
default:
|
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tempType = Type.GetType(typeStr);
|
||||
break;
|
||||
}
|
||||
}
|
||||
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|
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if (type == typeof(bool))
|
||||
{
|
||||
bool value = bool.Parse(valueStr);
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||||
return new BoolConditionResolver
|
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{
|
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Op = ParseBoolOperator(operatorStr),
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Value = value,
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};
|
||||
}
|
||||
else if (type.IsValueType)
|
||||
{
|
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return GetValueResolver(type, valueStr, operatorStr, parts);
|
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}
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||||
else if (type == typeof(string))
|
||||
{
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||||
return new StringConditionResolver
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||||
{
|
||||
Op = ParseStringOperator(operatorStr),
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||||
Value = valueStr
|
||||
};
|
||||
}
|
||||
|
||||
throw new NotSupportedException($"Type {type} is not supported.");
|
||||
}
|
||||
|
||||
public static SereinConditionResolver GetValueResolver(Type valueType, string valueStr, string operatorStr, string[] parts)// where T : struct, IComparable<T>
|
||||
{
|
||||
SereinConditionResolver resolver;
|
||||
|
||||
if (valueType == typeof(float))
|
||||
{
|
||||
resolver = GetValueResolver<float>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(decimal))
|
||||
{
|
||||
resolver = GetValueResolver<decimal>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(double))
|
||||
{
|
||||
resolver = GetValueResolver<double>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(sbyte))
|
||||
{
|
||||
resolver = GetValueResolver<sbyte>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(byte))
|
||||
{
|
||||
resolver = GetValueResolver<byte>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(short))
|
||||
{
|
||||
resolver = GetValueResolver<short>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(ushort))
|
||||
{
|
||||
resolver = GetValueResolver<ushort>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(int))
|
||||
{
|
||||
resolver = GetValueResolver<int>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(uint))
|
||||
{
|
||||
resolver = GetValueResolver<uint>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(long))
|
||||
{
|
||||
resolver = GetValueResolver<long>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(ulong))
|
||||
{
|
||||
resolver = GetValueResolver<ulong>(valueStr, operatorStr, parts);
|
||||
}
|
||||
#if NET8_0_OR_GREATER
|
||||
else if (valueType == typeof(nint))
|
||||
{
|
||||
resolver = GetValueResolver<nint>(valueStr, operatorStr, parts);
|
||||
}
|
||||
else if (valueType == typeof(nuint))
|
||||
{
|
||||
resolver = GetValueResolver<nuint>(valueStr, operatorStr, parts);
|
||||
}
|
||||
#endif
|
||||
else
|
||||
{
|
||||
throw new ArgumentException("非预期值类型");
|
||||
}
|
||||
|
||||
return resolver;
|
||||
|
||||
}
|
||||
|
||||
|
||||
private static ValueTypeConditionResolver<T> GetValueResolver<T>(string valueStr, string operatorStr, string[] parts)
|
||||
where T :struct, IComparable<T>
|
||||
{
|
||||
var op = ParseValueTypeOperator<T>(operatorStr);
|
||||
if (op == ValueTypeConditionResolver<T>.Operator.InRange || op == ValueTypeConditionResolver<T>.Operator.OutOfRange)
|
||||
{
|
||||
var temp = valueStr.Split('-');
|
||||
var leftNum = string.Empty;
|
||||
var rightNum = string.Empty;
|
||||
if (temp.Length < 2 || temp.Length > 4)
|
||||
{
|
||||
throw new ArgumentException($"范围无效:{valueStr}。");
|
||||
}
|
||||
else if (temp.Length == 2)
|
||||
{
|
||||
leftNum = temp[0];
|
||||
rightNum = temp[1];
|
||||
}
|
||||
else if (temp.Length == 3)
|
||||
{
|
||||
if (string.IsNullOrEmpty(temp[0])
|
||||
&& !string.IsNullOrEmpty(temp[1])
|
||||
&& !string.IsNullOrEmpty(temp[2]))
|
||||
{
|
||||
leftNum = "-" + temp[1];
|
||||
rightNum = temp[2];
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new ArgumentException($"范围无效:{valueStr}。");
|
||||
}
|
||||
}
|
||||
else if (temp.Length == 4)
|
||||
{
|
||||
if (string.IsNullOrEmpty(temp[0])
|
||||
&& !string.IsNullOrEmpty(temp[1])
|
||||
&& string.IsNullOrEmpty(temp[2])
|
||||
&& !string.IsNullOrEmpty(temp[3]))
|
||||
{
|
||||
leftNum = "-" + temp[1];
|
||||
rightNum = temp[3];
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new ArgumentException($"范围无效:{valueStr}。");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
return new ValueTypeConditionResolver<T>
|
||||
{
|
||||
Op = op,
|
||||
RangeStart = leftNum.ToValueData<T>(),
|
||||
RangeEnd = rightNum.ToValueData<T>(),
|
||||
ArithmeticExpression = GetArithmeticExpression(parts[0]),
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
return new ValueTypeConditionResolver<T>
|
||||
{
|
||||
Op = op,
|
||||
Value = valueStr.ToValueData<T>(),
|
||||
ArithmeticExpression = GetArithmeticExpression(parts[0])
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
//public static T ValueParse<T>(object value) where T : struct, IComparable<T>
|
||||
//{
|
||||
// return (T)ValueParse(typeof(T), value);
|
||||
//}
|
||||
|
||||
//public static object ValueParse(Type type, object value)
|
||||
//{
|
||||
|
||||
// string? valueStr = value.ToString();
|
||||
// if (string.IsNullOrEmpty(valueStr))
|
||||
// {
|
||||
// throw new ArgumentException("value is null");
|
||||
// }
|
||||
// object result = type switch
|
||||
// {
|
||||
// Type t when t.IsEnum => Enum.Parse(type, valueStr),
|
||||
// Type t when t == typeof(bool) => bool.Parse(valueStr),
|
||||
// Type t when t == typeof(float) => float.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(decimal) => decimal.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(double) => double.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(sbyte) => sbyte.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(byte) => byte.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(short) => short.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(ushort) => ushort.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(int) => int.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(uint) => uint.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(long) => long.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(ulong) => ulong.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(nint) => nint.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// Type t when t == typeof(nuint) => nuint.Parse(valueStr, CultureInfo.InvariantCulture),
|
||||
// _ => throw new ArgumentException("非预期值类型")
|
||||
// };
|
||||
// return result;
|
||||
//}
|
||||
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 数值操作类型
|
||||
/// </summary>
|
||||
/// <typeparam name="T"></typeparam>
|
||||
/// <param name="operatorStr"></param>
|
||||
/// <returns></returns>
|
||||
/// <exception cref="ArgumentException"></exception>
|
||||
private static ValueTypeConditionResolver<T>.Operator ParseValueTypeOperator<T>(string operatorStr) where T : struct, IComparable<T>
|
||||
{
|
||||
if (operatorStr == ">")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.GreaterThan;
|
||||
}
|
||||
else if (operatorStr == "<")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.LessThan;
|
||||
}
|
||||
else if (operatorStr == "==")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.Equal;
|
||||
}
|
||||
else if (operatorStr == ">=" || operatorStr == "≥")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.GreaterThanOrEqual;
|
||||
}
|
||||
else if (operatorStr == "<=" || operatorStr == "≤")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.LessThanOrEqual;
|
||||
}
|
||||
else if (operatorStr == "in")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.InRange;
|
||||
}
|
||||
else if (operatorStr == "!in")
|
||||
{
|
||||
return ValueTypeConditionResolver<T>.Operator.OutOfRange;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new ArgumentException($"Invalid operator {operatorStr} for value type.");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 布尔操作类型
|
||||
/// </summary>
|
||||
/// <param name="operatorStr"></param>
|
||||
/// <returns></returns>
|
||||
/// <exception cref="ArgumentException"></exception>
|
||||
private static BoolConditionResolver.Operator ParseBoolOperator(string operatorStr)
|
||||
{
|
||||
if (operatorStr == "is" || operatorStr == "==" || operatorStr == "equals")
|
||||
{
|
||||
return BoolConditionResolver.Operator.Is;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new ArgumentException($"Invalid operator {operatorStr} for bool type.");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 字符串操作类型
|
||||
/// </summary>
|
||||
/// <param name="operatorStr"></param>
|
||||
/// <returns></returns>
|
||||
/// <exception cref="ArgumentException"></exception>
|
||||
private static StringConditionResolver.Operator ParseStringOperator(string operatorStr)
|
||||
{
|
||||
operatorStr = operatorStr.ToLower();
|
||||
|
||||
if (operatorStr == "c" || operatorStr == "contains")
|
||||
{
|
||||
return StringConditionResolver.Operator.Contains;
|
||||
}
|
||||
else if (operatorStr == "nc" || operatorStr == "doesnotcontain")
|
||||
{
|
||||
return StringConditionResolver.Operator.DoesNotContain;
|
||||
}
|
||||
else if (operatorStr == "sw" || operatorStr == "startswith")
|
||||
{
|
||||
return StringConditionResolver.Operator.StartsWith;
|
||||
}
|
||||
else if (operatorStr == "ew" || operatorStr == "endswith")
|
||||
{
|
||||
return StringConditionResolver.Operator.EndsWith;
|
||||
}
|
||||
else if (operatorStr == "==" || operatorStr == "equals")
|
||||
{
|
||||
return StringConditionResolver.Operator.Equal;
|
||||
}
|
||||
else if (operatorStr == "!=" || operatorStr == "notequals")
|
||||
{
|
||||
return StringConditionResolver.Operator.NotEqual;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new ArgumentException($"Invalid operator {operatorStr} for string type.");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user