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重构了底层，方便向Android、Web、Linux进行跨平台迁移

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fengjiayi
2024-09-15 12:15:32 +08:00
parent 0271825fa9
commit 19247b5afe
51 changed files with 4987 additions and 1526 deletions
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338
Library/Utils/SerinExpression/ConditionResolver.cs Normal file
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using System;
using System.Reflection;
namespace Serein.NodeFlow.Tool.SerinExpression
{
/// <summary>
/// 条件解析抽象类
/// </summary>
public abstract class ConditionResolver
{
public abstract bool Evaluate(object obj);
}
public class PassConditionResolver : ConditionResolver
{
public Operator Op { get; set; }
public override bool Evaluate(object obj)
{
return Op switch
{
Operator.Pass => true,
Operator.NotPass => false,
_ => throw new NotSupportedException("不支持的条件类型")
};
}
public enum Operator
{
Pass,
NotPass,
}
}
public class ValueTypeConditionResolver<T> : ConditionResolver where T : struct, IComparable<T>
{
public enum Operator
{
/// <summary>
/// 不进行任何操作
/// </summary>
Node,
/// <summary>
/// 大于
/// </summary>
GreaterThan,
/// <summary>
/// 小于
/// </summary>
LessThan,
/// <summary>
/// 等于
/// </summary>
Equal,
/// <summary>
/// 大于或等于
/// </summary>
GreaterThanOrEqual,
/// <summary>
/// 小于或等于
/// </summary>
LessThanOrEqual,
/// <summary>
/// 在两者之间
/// </summary>
InRange,
/// <summary>
/// 不在两者之间
/// </summary>
OutOfRange
}
public Operator Op { get; set; }
public T Value { get; set; }
public T RangeStart { get; set; }
public T RangeEnd { get; set; }
public string ArithmeticExpression { get; set; }
public override bool Evaluate(object obj)
{
if (obj is T typedObj)
{
double numericValue = Convert.ToDouble(typedObj);
if (!string.IsNullOrEmpty(ArithmeticExpression))
{
numericValue = SerinArithmeticExpressionEvaluator.Evaluate(ArithmeticExpression, numericValue);
}
T evaluatedValue = (T)Convert.ChangeType(numericValue, typeof(T));
return Op switch
{
Operator.GreaterThan => evaluatedValue.CompareTo(Value) > 0,
Operator.LessThan => evaluatedValue.CompareTo(Value) < 0,
Operator.Equal => evaluatedValue.CompareTo(Value) == 0,
Operator.GreaterThanOrEqual => evaluatedValue.CompareTo(Value) >= 0,
Operator.LessThanOrEqual => evaluatedValue.CompareTo(Value) <= 0,
Operator.InRange => evaluatedValue.CompareTo(RangeStart) >= 0 && evaluatedValue.CompareTo(RangeEnd) <= 0,
Operator.OutOfRange => evaluatedValue.CompareTo(RangeStart) < 0 || evaluatedValue.CompareTo(RangeEnd) > 0,
_ => throw new NotSupportedException("不支持的条件类型")
};
/* switch (Op)
{
case Operator.GreaterThan:
return evaluatedValue.CompareTo(Value) > 0;
case Operator.LessThan:
return evaluatedValue.CompareTo(Value) < 0;
case Operator.Equal:
return evaluatedValue.CompareTo(Value) == 0;
case Operator.GreaterThanOrEqual:
return evaluatedValue.CompareTo(Value) >= 0;
case Operator.LessThanOrEqual:
return evaluatedValue.CompareTo(Value) <= 0;
case Operator.InRange:
return evaluatedValue.CompareTo(RangeStart) >= 0 && evaluatedValue.CompareTo(RangeEnd) <= 0;
case Operator.OutOfRange:
return evaluatedValue.CompareTo(RangeStart) < 0 || evaluatedValue.CompareTo(RangeEnd) > 0;
}*/
}
return false;
}
}
public class BoolConditionResolver : ConditionResolver
{
public enum Operator
{
/// <summary>
/// 是
/// </summary>
Is
}
public Operator Op { get; set; }
public bool Value { get; set; }
public override bool Evaluate(object obj)
{
if (obj is bool boolObj)
{
return boolObj == Value;
/*switch (Op)
{
case Operator.Is:
return boolObj == Value;
}*/
}
return false;
}
}
public class StringConditionResolver : ConditionResolver
{
public enum Operator
{
/// <summary>
/// 出现过
/// </summary>
Contains,
/// <summary>
/// 没有出现过
/// </summary>
DoesNotContain,
/// <summary>
/// 相等
/// </summary>
Equal,
/// <summary>
/// 不相等
/// </summary>
NotEqual,
/// <summary>
/// 起始字符串等于
/// </summary>
StartsWith,
/// <summary>
/// 结束字符串等于
/// </summary>
EndsWith
}
public Operator Op { get; set; }
public string Value { get; set; }
public override bool Evaluate(object obj)
{
if (obj is string strObj)
{
return Op switch
{
Operator.Contains => strObj.Contains(Value),
Operator.DoesNotContain => !strObj.Contains(Value),
Operator.Equal => strObj == Value,
Operator.NotEqual => strObj != Value,
Operator.StartsWith => strObj.StartsWith(Value),
Operator.EndsWith => strObj.EndsWith(Value),
_ => throw new NotSupportedException("不支持的条件类型"),
};
/* switch (Op)
{
case Operator.Contains:
return strObj.Contains(Value);
case Operator.DoesNotContain:
return !strObj.Contains(Value);
case Operator.Equal:
return strObj == Value;
case Operator.NotEqual:
return strObj != Value;
case Operator.StartsWith:
return strObj.StartsWith(Value);
case Operator.EndsWith:
return strObj.EndsWith(Value);
}*/
}
return false;
}
}
public class MemberConditionResolver<T> : ConditionResolver where T : struct, IComparable<T>
{
//public string MemberPath { get; set; }
public ValueTypeConditionResolver<T>.Operator Op { get; set; }
public object? TargetObj { get; set; }
public T Value { get; set; }
public string ArithmeticExpression { get; set; }
public override bool Evaluate(object? obj)
{
//object? memberValue = GetMemberValue(obj, MemberPath);
if (TargetObj is T typedObj)
{
return new ValueTypeConditionResolver<T>
{
Op = Op,
Value = Value,
ArithmeticExpression = ArithmeticExpression,
}.Evaluate(typedObj);
}
return false;
}
//private object? GetMemberValue(object? obj, string memberPath)
//{
// string[] members = memberPath[1..].Split('.');
// foreach (var member in members)
// {
// if (obj == null) return null;
// Type type = obj.GetType();
// PropertyInfo? propertyInfo = type.GetProperty(member);
// FieldInfo? fieldInfo = type.GetField(member);
// if (propertyInfo != null)
// obj = propertyInfo.GetValue(obj);
// else if (fieldInfo != null)
// obj = fieldInfo.GetValue(obj);
// else
// throw new ArgumentException($"Member {member} not found in type {type.FullName}");
// }
// return obj;
//}
}
public class MemberStringConditionResolver : ConditionResolver
{
public string MemberPath { get; set; }
public StringConditionResolver.Operator Op { get; set; }
public string Value { get; set; }
public override bool Evaluate(object obj)
{
object memberValue = GetMemberValue(obj, MemberPath);
if (memberValue is string strObj)
{
return new StringConditionResolver
{
Op = Op,
Value = Value
}.Evaluate(strObj);
}
return false;
}
private object GetMemberValue(object? obj, string memberPath)
{
string[] members = memberPath[1..].Split('.');
foreach (var member in members)
{
if (obj == null) return null;
Type type = obj.GetType();
PropertyInfo? propertyInfo = type.GetProperty(member);
FieldInfo? fieldInfo = type.GetField(member);
if (propertyInfo != null)
obj = propertyInfo.GetValue(obj);
else if (fieldInfo != null)
obj = fieldInfo.GetValue(obj);
else
throw new ArgumentException($"Member {member} not found in type {type.FullName}");
}
return obj;
}
private static string GetArithmeticExpression(string part)
{
int startIndex = part.IndexOf('[');
int endIndex = part.IndexOf(']');
if (startIndex >= 0 && endIndex > startIndex)
{
return part.Substring(startIndex + 1, endIndex - startIndex - 1);
}
return null;
}
}
}

342
Library/Utils/SerinExpression/SerinConditionParser.cs Normal file
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using System;
using System.Globalization;
using System.Reflection;
namespace Serein.NodeFlow.Tool.SerinExpression
{
public class SerinConditionParser
{
public static bool To<T>(T data, string expression)
{
try
{
return ConditionParse(data, expression).Evaluate(data);
}
catch (Exception ex)
{
Console.WriteLine(ex);
throw;
}
}
public static ConditionResolver ConditionParse(object data, string expression)
{
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
{
return ParseObjectExpression(data, expression);
}
else
{
return ParseSimpleExpression(data, expression);
}
//bool ContainsArithmeticOperators(string expression)
//{
// return expression.Contains('+') || expression.Contains('-') || expression.Contains('*') || expression.Contains('/');
//}
}
/// <summary>
/// 获取计算表达式的部分
/// </summary>
/// <param name="part"></param>
/// <returns></returns>
private static string GetArithmeticExpression(string part)
{
int startIndex = part.IndexOf('[');
int endIndex = part.IndexOf(']');
if (startIndex >= 0 && endIndex > startIndex)
{
return part.Substring(startIndex + 1, endIndex - startIndex - 1);
}
return null;
}
/// <summary>
/// 获取对象指定名称的成员
/// </summary>
private static object? GetMemberValue(object? obj, string memberPath)
{
string[] members = memberPath[1..].Split('.');
foreach (var member in members)
{
if (obj == null) return null;
Type type = obj.GetType();
PropertyInfo? propertyInfo = type.GetProperty(member);
FieldInfo? fieldInfo = type.GetField(member);
if (propertyInfo != null)
obj = propertyInfo.GetValue(obj);
else if (fieldInfo != null)
obj = fieldInfo.GetValue(obj);
else
throw new ArgumentException($"Member {member} not found in type {type.FullName}");
}
return obj;
}
/// <summary>
/// 解析对象表达式
/// </summary>
private static ConditionResolver ParseObjectExpression(object data, string expression)
{
var parts = expression.Split(' ');
string operatorStr = parts[0];
string valueStr = string.Join(' ', parts, 1, parts.Length - 1);
int typeStartIndex = expression.IndexOf('<');
int typeEndIndex = expression.IndexOf('>');
string memberPath;
Type type;
object? targetObj;
if (typeStartIndex + typeStartIndex == -2)
{
memberPath = operatorStr;
targetObj = GetMemberValue(data, operatorStr);
type = targetObj.GetType();
operatorStr = parts[1].ToLower();
valueStr = string.Join(' ', parts.Skip(2));
}
else
{
if (typeStartIndex >= typeEndIndex)
{
throw new ArgumentException("无效的表达式格式");
}
memberPath = expression.Substring(0, typeStartIndex).Trim();
string typeStr = expression.Substring(typeStartIndex + 1, typeEndIndex - typeStartIndex - 1).Trim().ToLower();
parts = expression.Substring(typeEndIndex + 1).Trim().Split(' ');
if (parts.Length == 3)
{
operatorStr = parts[1].ToLower();
valueStr = string.Join(' ', parts.Skip(2));
}
else
{
operatorStr = parts[0].ToLower();
valueStr = string.Join(' ', parts.Skip(1));
}
targetObj = GetMemberValue(data, memberPath);
Type? tempType = typeStr switch
{
"int" => typeof(int),
"double" => typeof(double),
"bool" => typeof(bool),
"string" => typeof(string),
_ => Type.GetType(typeStr)
};
type = tempType ?? throw new ArgumentException("对象表达式无效的类型声明");
}
if (type == typeof(int))
{
int value = int.Parse(valueStr, CultureInfo.InvariantCulture);
return new MemberConditionResolver<int>
{
TargetObj = targetObj,
//MemberPath = memberPath,
Op = ParseValueTypeOperator<int>(operatorStr),
Value = value,
ArithmeticExpression = GetArithmeticExpression(parts[0])
};
}
else if (type == typeof(double))
{
double value = double.Parse(valueStr, CultureInfo.InvariantCulture);
return new MemberConditionResolver<double>
{
//MemberPath = memberPath,
TargetObj = targetObj,
Op = ParseValueTypeOperator<double>(operatorStr),
Value = value,
ArithmeticExpression = GetArithmeticExpression(parts[0])
};
}
else if (type == typeof(bool))
{
return new MemberConditionResolver<bool>
{
//MemberPath = memberPath,
TargetObj = targetObj,
Op = (ValueTypeConditionResolver<bool>.Operator)ParseBoolOperator(operatorStr)
};
}
else if (type == typeof(string))
{
return new MemberStringConditionResolver
{
MemberPath = memberPath,
Op = ParseStringOperator(operatorStr),
Value = valueStr
};
}
throw new NotSupportedException($"Type {type} is not supported.");
}
private static ConditionResolver ParseSimpleExpression(object data, string expression)
{
if ("pass".Equals(expression.ToLower()))
{
return new PassConditionResolver
{
Op = PassConditionResolver.Operator.Pass,
};
}
else
{
if ("not pass".Equals(expression.ToLower()))
{
return new PassConditionResolver
{
Op = PassConditionResolver.Operator.NotPass,
};
}
if ("!pass".Equals(expression.ToLower()))
{
return new PassConditionResolver
{
Op = PassConditionResolver.Operator.NotPass,
};
}
}
var parts = expression.Split(' ');
if (parts.Length < 2)
throw new ArgumentException("无效的表达式格式。");
//string typeStr = parts[0];
string operatorStr = parts[0];
string valueStr = string.Join(' ', parts, 1, parts.Length - 1);
Type type = data.GetType();//Type.GetType(typeStr);
if (type == typeof(int))
{
var op = ParseValueTypeOperator<int>(operatorStr);
if (op == ValueTypeConditionResolver<int>.Operator.InRange || op == ValueTypeConditionResolver<int>.Operator.OutOfRange)
{
var temp = valueStr.Split('-');
if (temp.Length < 2)
throw new ArgumentException($"范围无效：{valueStr}。");
int rangeStart = int.Parse(temp[0], CultureInfo.InvariantCulture);
int rangeEnd = int.Parse(temp[1], CultureInfo.InvariantCulture);
return new ValueTypeConditionResolver<int>
{
Op = op,
RangeStart = rangeStart,
RangeEnd = rangeEnd,
ArithmeticExpression = GetArithmeticExpression(parts[0]),
};
}
else
{
int value = int.Parse(valueStr, CultureInfo.InvariantCulture);
return new ValueTypeConditionResolver<int>
{
Op = op,
Value = value,
ArithmeticExpression = GetArithmeticExpression(parts[0])
};
}
}
else if (type == typeof(double))
{
double value = double.Parse(valueStr, CultureInfo.InvariantCulture);
return new ValueTypeConditionResolver<double>
{
Op = ParseValueTypeOperator<double>(operatorStr),
Value = value,
ArithmeticExpression = GetArithmeticExpression(parts[0])
};
}
else if (type == typeof(bool))
{
bool value = bool.Parse(valueStr);
return new BoolConditionResolver
{
Op = ParseBoolOperator(operatorStr),
Value = value,
};
}
else if (type == typeof(string))
{
return new StringConditionResolver
{
Op = ParseStringOperator(operatorStr),
Value = valueStr
};
}
throw new NotSupportedException($"Type {type} is not supported.");
}
private static ValueTypeConditionResolver<T>.Operator ParseValueTypeOperator<T>(string operatorStr) where T : struct, IComparable<T>
{
return operatorStr switch
{
">" => ValueTypeConditionResolver<T>.Operator.GreaterThan,
"<" => ValueTypeConditionResolver<T>.Operator.LessThan,
"=" => ValueTypeConditionResolver<T>.Operator.Equal,
"==" => ValueTypeConditionResolver<T>.Operator.Equal,
">=" => ValueTypeConditionResolver<T>.Operator.GreaterThanOrEqual,
"≥" => ValueTypeConditionResolver<T>.Operator.GreaterThanOrEqual,
"<=" => ValueTypeConditionResolver<T>.Operator.LessThanOrEqual,
"≤" => ValueTypeConditionResolver<T>.Operator.LessThanOrEqual,
"equals" => ValueTypeConditionResolver<T>.Operator.Equal,
"in" => ValueTypeConditionResolver<T>.Operator.InRange,
"!in" => ValueTypeConditionResolver<T>.Operator.OutOfRange,
_ => throw new ArgumentException($"Invalid operator {operatorStr} for value type.")
};
}
private static BoolConditionResolver.Operator ParseBoolOperator(string operatorStr)
{
return operatorStr switch
{
"is" => BoolConditionResolver.Operator.Is,
"==" => BoolConditionResolver.Operator.Is,
"equals" => BoolConditionResolver.Operator.Is,
//"isFalse" => BoolConditionNode.Operator.IsFalse,
_ => throw new ArgumentException($"Invalid operator {operatorStr} for bool type.")
};
}
private static StringConditionResolver.Operator ParseStringOperator(string operatorStr)
{
return operatorStr switch
{
"c" => StringConditionResolver.Operator.Contains,
"nc" => StringConditionResolver.Operator.DoesNotContain,
"sw" => StringConditionResolver.Operator.StartsWith,
"ew" => StringConditionResolver.Operator.EndsWith,
"contains" => StringConditionResolver.Operator.Contains,
"doesNotContain" => StringConditionResolver.Operator.DoesNotContain,
"equals" => StringConditionResolver.Operator.Equal,
"==" => StringConditionResolver.Operator.Equal,
"notEquals" => StringConditionResolver.Operator.NotEqual,
"!=" => StringConditionResolver.Operator.NotEqual,
"startsWith" => StringConditionResolver.Operator.StartsWith,
"endsWith" => StringConditionResolver.Operator.EndsWith,
_ => throw new ArgumentException($"Invalid operator {operatorStr} for string type.")
};
}
}
}

216
Library/Utils/SerinExpression/SerinExpressionEvaluator.cs Normal file
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using System.Data;
namespace Serein.NodeFlow.Tool.SerinExpression
{
public class SerinArithmeticExpressionEvaluator
{
private static readonly DataTable table = new DataTable();
public static double Evaluate(string expression, double inputValue)
{
// 替换占位符@为输入值
expression = expression.Replace("@", inputValue.ToString());
try
{
// 使用 DataTable.Compute 方法计算表达式
var result = table.Compute(expression, string.Empty);
return Convert.ToDouble(result);
}
catch
{
throw new ArgumentException("Invalid arithmetic expression.");
}
}
}
public class SerinExpressionEvaluator
{
/// <summary>
///
/// </summary>
/// <param name="expression">表达式</param>
/// <param name="targetObJ">操作对象</param>
/// <param name="isChange">是否改变了对象（get语法）</param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="NotSupportedException"></exception>
public static object Evaluate(string expression, object targetObJ, out bool isChange)
{
var parts = expression.Split([' '], 2);
if (parts.Length != 2)
{
throw new ArgumentException("Invalid expression format.");
}
var operation = parts[0].ToLower();
var operand = parts[1][0] == '.' ? parts[1][1..] : parts[1];
var result = operation switch
{
"@num" => ComputedNumber(targetObJ, operand),
"@call" => InvokeMethod(targetObJ, operand),
"@get" => GetMember(targetObJ, operand),
"@set" => SetMember(targetObJ, operand),
_ => throw new NotSupportedException($"Operation {operation} is not supported.")
};
isChange = operation switch
{
"@num" => true,
"@call" => true,
"@get" => true,
"@set" => false,
_ => throw new NotSupportedException($"Operation {operation} is not supported.")
};
return result;
}
private static readonly char[] separator = ['(', ')'];
private static readonly char[] separatorArray = [','];
private static object InvokeMethod(object target, string methodCall)
{
var methodParts = methodCall.Split(separator, StringSplitOptions.RemoveEmptyEntries);
if (methodParts.Length != 2)
{
throw new ArgumentException("Invalid method call format.");
}
var methodName = methodParts[0];
var parameterList = methodParts[1];
var parameters = parameterList.Split(separatorArray, StringSplitOptions.RemoveEmptyEntries)
.Select(p => p.Trim())
.ToArray();
var method = target.GetType().GetMethod(methodName);
if (method == null)
{
throw new ArgumentException($"Method {methodName} not found on target.");
}
var parameterValues = method.GetParameters()
.Select((p, index) => Convert.ChangeType(parameters[index], p.ParameterType))
.ToArray();
return method.Invoke(target, parameterValues);
}
private static object GetMember(object target, string memberPath)
{
var members = memberPath.Split('.');
foreach (var member in members)
{
if (target == null) return null;
var property = target.GetType().GetProperty(member);
if (property != null)
{
target = property.GetValue(target);
}
else
{
var field = target.GetType().GetField(member);
if (field != null)
{
target = field.GetValue(target);
}
else
{
throw new ArgumentException($"Member {member} not found on target.");
}
}
}
return target;
}
private static object SetMember(object target, string assignment)
{
var parts = assignment.Split(new[] { '=' }, 2);
if (parts.Length != 2)
{
throw new ArgumentException("Invalid assignment format.");
}
var memberPath = parts[0].Trim();
var value = parts[1].Trim();
var members = memberPath.Split('.');
for (int i = 0; i < members.Length - 1; i++)
{
var member = members[i];
var property = target.GetType().GetProperty(member);
if (property != null)
{
target = property.GetValue(target);
}
else
{
var field = target.GetType().GetField(member);
if (field != null)
{
target = field.GetValue(target);
}
else
{
throw new ArgumentException($"Member {member} not found on target.");
}
}
}
var lastMember = members.Last();
var lastProperty = target.GetType().GetProperty(lastMember);
if (lastProperty != null)
{
var convertedValue = Convert.ChangeType(value, lastProperty.PropertyType);
lastProperty.SetValue(target, convertedValue);
}
else
{
var lastField = target.GetType().GetField(lastMember);
if (lastField != null)
{
var convertedValue = Convert.ChangeType(value, lastField.FieldType);
lastField.SetValue(target, convertedValue);
}
else
{
throw new ArgumentException($"Member {lastMember} not found on target.");
}
}
return target;
}
private static double ComputedNumber(object value, string expression)
{
double numericValue = Convert.ToDouble(value);
if (!string.IsNullOrEmpty(expression))
{
numericValue = SerinArithmeticExpressionEvaluator.Evaluate(expression, numericValue);
}
return numericValue;
}
}
}

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Library/Utils/SerinExpressionEvaluator.cs Normal file
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using System;
namespace Serein.Library.Utils
{
//public abstract class SerinExpressionEvaluator
//{
// public abstract string Evaluate(string expression ,object obj , out bool isChange);
//}
}