public IDataStructure GetOutputStructure(IExpression expression)
{
if (expression.IsApplyComponent)
{
return(this._joinApplyMeasuresOp.GetMeasuresStructure(expression));
}
IDataStructure ds1 = expression.OperandsCollection.ToArray()[0].Structure;
IDataStructure ds2 = expression.OperandsCollection.ToArray()[1].Structure;
if (!ds1.IsNumericStructure(true) || !ds2.IsNumericStructure(true))
{
throw new VtlOperatorError(expression, this.Name, "Expected numeric components.");
}
if (!ds1.IsSingleComponent && ds2.IsSingleComponent)
{
return(NumericStructure.GetDatasetScalarMixedStructure(ds1, ds2));
}
else if (ds1.IsSingleComponent && !ds2.IsSingleComponent)
{
return(NumericStructure.GetDatasetScalarMixedStructure(ds2, ds1));
}
else if (!ds1.IsSingleComponent && !ds2.IsSingleComponent)
{
IDataStructure structure;
if (ds1.IsSupersetOf(ds2, true, false, true))
{
structure = NumericStructure.GetDatasetsMixedStructure(ds1.WithAttributesOf(ds2), ds2);
}
else if (ds2.IsSupersetOf(ds1, true, false, true))
{
structure = NumericStructure.GetDatasetsMixedStructure(ds2.WithAttributesOf(ds1), ds1);
}
else
{
throw new VtlOperatorError(expression, this.Name, "Structures of datasets don't match.");
}
return(structure);
}
if (!ds1.Components[0].ValueDomain.DataType.In(BasicDataType.Integer, BasicDataType.Number, BasicDataType.None) ||
!ds2.Components[0].ValueDomain.DataType.In(BasicDataType.Integer, BasicDataType.Number, BasicDataType.None))
{
throw new VtlOperatorError(expression, this.Name, "Expected numeric scalar values.");
}
if (ds2.Components[0].ValueDomain.DataType == BasicDataType.Number)
{
return(ds2.GetCopy());
}
return(ds1.GetCopy());
}
public IDataStructure GetOutputStructure(IExpression expression)
{
if (expression.IsApplyComponent)
{
return(this._joinApplyMeasuresOp.GetMeasuresStructure(expression));
}
IExpression expr1 = expression.OperandsCollection.ToArray()[0];
IExpression expr2 =
expression.OperandsCollection.ToArray().Length > 1 ?
expression.OperandsCollection.ToArray()[1] :
null;
if (!expr1.Structure.IsNumericStructure(true))
{
throw new VtlOperatorError(expression, this.Name, "Expected numeric components.");
}
IDataStructure ds1 = expr1.Structure.GetCopy();
if (expr2 != null)
{
IDataStructure ds2 = expr2.Structure.GetCopy();
if (expr2.ExpressionText != "_")
{
if (this.Symbol.In("power", "log", "round", "trunc") && !ds2.IsSingleComponent)
{
throw new VtlOperatorError(expression, this.Name, "Expected single component.");
}
if (this.Symbol.In("log", "round", "trunc") && (!ds2.IsSingleComponent || !ds2.Components.First().ValueDomain.DataType.In(BasicDataType.Integer, BasicDataType.None)))
{
throw new VtlOperatorError(expression, this.Name, "Type of component must be integer.");
}
if (this.Symbol.In("mod", "power") && !ds2.IsNumericStructure(true))
{
throw new VtlOperatorError(expression, this.Name, "Expected numeric components.");
}
}
if (!ds2.IsSingleComponent)
{
if (ds1.IsSupersetOf(ds2, true, false, true))
{
ds1 = NumericStructure.GetDatasetsMixedStructure(ds1.WithAttributesOf(ds2), ds2);
}
else if (ds2.IsSupersetOf(ds1, true, false, true))
{
ds1 = NumericStructure.GetDatasetsMixedStructure(ds2.WithAttributesOf(ds1), ds1);
}
else if (ds1.IsSingleComponent)
{
ds1 = NumericStructure.GetDatasetScalarMixedStructure(ds2.WithAttributesOf(ds1), ds1);
}
else
{
throw new VtlOperatorError(expression, this.Name, "Structures of datasets don't match.");
}
}
}
if (ds1.IsSingleComponent)
{
if (this.Symbol.In("ceil", "floor"))
{
return(this._dsResolver("int_var", ComponentType.Measure, BasicDataType.Integer));
}
return(this._dsResolver("num_var", ComponentType.Measure, BasicDataType.Number));
}
else
{
List <StructureComponent> components = ds1.Measures.ToList();
for (int i = 0; i < components.Count; i++)
{
if (this.Symbol.In("ceil", "floor"))
{
components[i].ValueDomain = new ValueDomain(BasicDataType.Integer);
}
else
{
components[i].ValueDomain = new ValueDomain(BasicDataType.Number);
}
}
}
return(ds1);
}