/// <summary>
/// Finds out a category of an expression
/// To be precise, finds out whether expr belongs to cat
/// </summary>
/// <param name="expr"></param>
/// <param name="cat"></param>
/// <returns></returns>
private static bool Contains(Entity expr, FunctionCategory cat)
{
if (cat.Contains(expr.Name))
{
return(true);
}
foreach (var child in expr.Children)
{
if (Contains(child, cat))
{
return(true);
}
}
return(false);
}
public bool SupportCategory(FunctionScenarioType type, FunctionCategory category)
{
if (type == FunctionScenarioType.Unspecified)
{
return(true);
}
FunctionCategory[] categories = null;
switch (type)
{
case FunctionScenarioType.Unspecified:
categories = new FunctionCategory[] {
};
break;
case FunctionScenarioType.Router:
categories = new FunctionCategory[] {
FunctionCategory.Math,
FunctionCategory.Text,
FunctionCategory.Time,
FunctionCategory.Logic,
FunctionCategory.Organization,
FunctionCategory.Other
};
break;
case FunctionScenarioType.Computation:
categories = new FunctionCategory[] {
FunctionCategory.Math,
FunctionCategory.Text,
FunctionCategory.Time,
FunctionCategory.Logic,
FunctionCategory.Other
};
break;
case FunctionScenarioType.Submit:
categories = new FunctionCategory[] {
FunctionCategory.Math,
FunctionCategory.Text,
FunctionCategory.Time,
FunctionCategory.Logic,
FunctionCategory.Organization,
FunctionCategory.Other
};
break;
case FunctionScenarioType.Business:
categories = new FunctionCategory[] {
FunctionCategory.Math,
FunctionCategory.Time,
FunctionCategory.Logic,
FunctionCategory.BackMethod,
FunctionCategory.Other
};
break;
case FunctionScenarioType.AssociationFilter:
categories = new FunctionCategory[] {
FunctionCategory.Math,
FunctionCategory.Text,
FunctionCategory.Time,
FunctionCategory.Logic,
FunctionCategory.Other
};
break;
case FunctionScenarioType.ReportSource:
categories = new FunctionCategory[] {
FunctionCategory.Time,
FunctionCategory.Logic
};
break;
default:
categories = new FunctionCategory[] { };
break;
}
return(categories.Contains(category));
}