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增加了节点树预览、节点定位，容器对象预览

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This commit is contained in:
fengjiayi
2024-09-27 23:47:25 +08:00
parent 7461e32a3d
commit 51bdbab4d1
17 changed files with 793 additions and 181 deletions
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20
NodeFlow/Tool/SereinExpression/SereinConditionParser.cs
View File

@@ -13,7 +13,10 @@ namespace Serein.NodeFlow.Tool.SereinExpression
{
try
{
if (string.IsNullOrEmpty(expression))
{
return false;
}
var parse = ConditionParse(data, expression);
var result = parse.Evaluate(data);
return result;
@@ -104,7 +107,8 @@ namespace Serein.NodeFlow.Tool.SereinExpression
{
// 如果不需要转为指定类型
memberPath = operatorStr;
targetObj = GetMemberValue(data, operatorStr);
targetObj = SerinExpressionEvaluator.Evaluate("@get " + operatorStr, data, out _);
//targetObj = GetMemberValue(data, operatorStr);
type = targetObj.GetType();
operatorStr = parts[1].ToLower(); //
valueStr = string.Join(' ', parts.Skip(2));
@@ -189,18 +193,6 @@ namespace Serein.NodeFlow.Tool.SereinExpression
}
//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])
//};
}
#endregion
#region 解析类型 double

181
NodeFlow/Tool/SereinExpression/SerinExpressionEvaluator.cs
View File

@@ -121,40 +121,98 @@ namespace Serein.NodeFlow.Tool.SereinExpression
/// <exception cref="ArgumentException"></exception>
private static object GetMember(object target, string memberPath)
{
// 分割成员路径，按 '.' 处理多级访问
var members = memberPath.Split('.');
foreach (var member in members)
{
if (target == null) return null;
if (target is null) return null;
var property = target.GetType().GetProperty(member);
if (property != null)
// 检查成员是否包含数组索引，例如 "cars[0]"
var arrayIndexStart = member.IndexOf('[');
if (arrayIndexStart != -1)
{
target = property.GetValue(target);
}
else
{
var field = target.GetType().GetField(member);
if (field != null)
// 解析数组/集合名与索引部分
var arrayName = member.Substring(0, arrayIndexStart);
var arrayIndexEnd = member.IndexOf(']');
if (arrayIndexEnd == -1 || arrayIndexEnd <= arrayIndexStart + 1)
{
throw new ArgumentException($"Invalid array syntax for member {member}");
}
target = field.GetValue(target);
// 提取数组索引
var indexStr = member.Substring(arrayIndexStart + 1, arrayIndexEnd - arrayIndexStart - 1);
if (!int.TryParse(indexStr, out int index))
{
throw new ArgumentException($"Invalid array index '{indexStr}' for member {member}");
}
// 获取数组或集合对象
var arrayProperty = target.GetType().GetProperty(arrayName);
if (arrayProperty != null)
{
target = arrayProperty.GetValue(target);
}
else
{
throw new ArgumentException($"Member {member} not found on target.");
var arrayField = target.GetType().GetField(arrayName);
if (arrayField != null)
{
target = arrayField.GetValue(target);
}
else
{
throw new ArgumentException($"Member {arrayName} not found on target.");
}
}
// 访问数组或集合中的指定索引
if (target is Array array)
{
if (index < 0 || index >= array.Length)
{
throw new ArgumentException($"Index {index} out of bounds for array {arrayName}");
}
target = array.GetValue(index);
}
else if (target is IList<object> list)
{
if (index < 0 || index >= list.Count)
{
throw new ArgumentException($"Index {index} out of bounds for list {arrayName}");
}
target = list[index];
}
else
{
throw new ArgumentException($"Member {arrayName} is not an array or list.");
}
}
else
{
// 处理非数组情况的属性或字段
var property = target.GetType().GetProperty(member);
if (property != null)
{
target = property.GetValue(target);
}
else
{
var field = target.GetType().GetField(member);
if (field != null)
{
target = field.GetValue(target);
}
else
{
throw new ArgumentException($"Member {member} not found on target.");
}
}
}
}
return target;
}
/// <summary>
/// 设置目标的值
/// </summary>
@@ -178,26 +236,85 @@ namespace Serein.NodeFlow.Tool.SereinExpression
{
var member = members[i];
var property = target.GetType().GetProperty(member);
if (property != null)
// 检查是否包含数组索引
var arrayIndexStart = member.IndexOf('[');
if (arrayIndexStart != -1)
{
target = property.GetValue(target);
}
else
{
var field = target.GetType().GetField(member);
if (field != null)
// 解析数组名和索引
var arrayName = member.Substring(0, arrayIndexStart);
var arrayIndexEnd = member.IndexOf(']');
if (arrayIndexEnd == -1 || arrayIndexEnd <= arrayIndexStart + 1)
{
throw new ArgumentException($"Invalid array syntax for member {member}");
}
target = field.GetValue(target);
var indexStr = member.Substring(arrayIndexStart + 1, arrayIndexEnd - arrayIndexStart - 1);
if (!int.TryParse(indexStr, out int index))
{
throw new ArgumentException($"Invalid array index '{indexStr}' for member {member}");
}
// 获取数组或集合
var arrayProperty = target.GetType().GetProperty(arrayName);
if (arrayProperty != null)
{
target = arrayProperty.GetValue(target);
}
else
{
throw new ArgumentException($"Member {member} not found on target.");
var arrayField = target.GetType().GetField(arrayName);
if (arrayField != null)
{
target = arrayField.GetValue(target);
}
else
{
throw new ArgumentException($"Member {arrayName} not found on target.");
}
}
// 获取目标数组或集合中的指定元素
if (target is Array array)
{
if (index < 0 || index >= array.Length)
{
throw new ArgumentException($"Index {index} out of bounds for array {arrayName}");
}
target = array.GetValue(index);
}
else if (target is IList<object> list)
{
if (index < 0 || index >= list.Count)
{
throw new ArgumentException($"Index {index} out of bounds for list {arrayName}");
}
target = list[index];
}
else
{
throw new ArgumentException($"Member {arrayName} is not an array or list.");
}
}
else
{
// 处理非数组情况的属性或字段
var property = target.GetType().GetProperty(member);
if (property != null)
{
target = property.GetValue(target);
}
else
{
var field = target.GetType().GetField(member);
if (field != null)
{
target = field.GetValue(target);
}
else
{
throw new ArgumentException($"Member {member} not found on target.");
}
}
}
}
@@ -205,7 +322,6 @@ namespace Serein.NodeFlow.Tool.SereinExpression
var lastMember = members.Last();
var lastProperty = target.GetType().GetProperty(lastMember);
if (lastProperty != null)
{
var convertedValue = Convert.ChangeType(value, lastProperty.PropertyType);
@@ -227,7 +343,6 @@ namespace Serein.NodeFlow.Tool.SereinExpression
return target;
}
/// <summary>
/// 计算数学简单表达式
/// </summary>