public static OperationViewModel GetOperation(OperationInfoViewModel info)
{
/* var input = info.Input.Select(i => new ConnectorViewModel
* {
* Title = i
* });
*
* if (info.Type == OperationType.Expression)
* {
* return new ExpressionOperationViewModel
* {
* Title = info.Title,
* Output = new ConnectorViewModel(),
* Operation = info.Operation,
* Expression = "1 + sin {a} + cos {b}"
* };
* }
* else if (info.Type == OperationType.Expando)
* {
* var o = new ExpandoOperationViewModel
* {
* MaxInput = info.MaxInput,
* MinInput = info.MinInput,
* Title = info.Title,
* Output = new ConnectorViewModel(),
* Operation = info.Operation
* };
*
* o.Input.AddRange(input);
* return o;
* }
*
* var op = new OperationViewModel
* {
* Title = info.Title,
* Output = new ConnectorViewModel(),
* Operation = info.Operation
* };
*
* op.Input.AddRange(input);
* return op;*/
return(null);
}
public static List <OperationInfoViewModel> GetOperationsInfo(Type container)
{
List <OperationInfoViewModel> result = new List <OperationInfoViewModel>();
foreach (var method in container.GetMethods())
{
if (method.IsStatic)
{
OperationInfoViewModel op = new OperationInfoViewModel
{
Title = method.Name
};
var attr = method.GetCustomAttribute <OperationAttribute>();
var para = method.GetParameters();
bool generateInputNames = true;
op.Type = OperationType.Normal;
if (para.Length == 2)
{
var delType = typeof(Func <decimal, decimal, decimal>);
var del = (Func <decimal, decimal, decimal>)Delegate.CreateDelegate(delType, method);
op.Operation = new BinaryOperation(del);
}
else if (para.Length == 1)
{
if (para[0].ParameterType.IsArray)
{
op.Type = OperationType.Expando;
var delType = typeof(Func <decimal[], decimal>);
var del = (Func <decimal[], decimal>)Delegate.CreateDelegate(delType, method);
op.Operation = new ParamsOperation(del);
op.MaxInput = int.MaxValue;
}
else
{
var delType = typeof(Func <decimal, decimal>);
var del = (Func <decimal, decimal>)Delegate.CreateDelegate(delType, method);
op.Operation = new UnaryOperation(del);
}
}
else if (para.Length == 0)
{
var delType = typeof(Func <decimal>);
var del = (Func <decimal>)Delegate.CreateDelegate(delType, method);
op.Operation = new ValueOperation(del);
}
if (attr != null)
{
op.MinInput = attr.MinInput;
op.MaxInput = attr.MaxInput;
generateInputNames = attr.GenerateInputNames;
}
else
{
op.MinInput = (uint)para.Length;
op.MaxInput = (uint)para.Length;
}
foreach (var param in para)
{
op.Input.Add(generateInputNames ? param.Name : null);
}
for (int i = op.Input.Count; i < op.MinInput; i++)
{
op.Input.Add(null);
}
result.Add(op);
}
}
return(result);
}
public CreateOperationInfoViewModel(OperationInfoViewModel info, Point location)
{
Info = info;
Location = location;
}
