/* ====================================================================
|
Licensed to the Apache Software Foundation (ASF) under one or more
|
contributor license agreements. See the NOTICE file distributed with
|
this work for Additional information regarding copyright ownership.
|
The ASF licenses this file to You under the Apache License, Version 2.0
|
(the "License"); you may not use this file except in compliance with
|
the License. You may obtain a copy of the License at
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
Unless required by applicable law or agreed to in writing, software
|
distributed under the License is distributed on an "AS IS" BASIS,
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
See the License for the specific language governing permissions and
|
limitations under the License.
|
==================================================================== */
|
|
namespace HH.WMS.Utils.NPOI.SS.Formula.Functions
|
{
|
using System;
|
using HH.WMS.Utils.NPOI.SS.Formula.Eval;
|
|
/**
|
* @author Josh Micich
|
*/
|
public class Choose : Function
|
{
|
|
public ValueEval Evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex)
|
{
|
if (args.Length < 2)
|
{
|
return ErrorEval.VALUE_INVALID;
|
}
|
|
try
|
{
|
int ix = EvaluateFirstArg(args[0], srcRowIndex, srcColumnIndex);
|
if (ix < 1 || ix >= args.Length)
|
{
|
return ErrorEval.VALUE_INVALID;
|
}
|
ValueEval result = OperandResolver.GetSingleValue(args[ix], srcRowIndex, srcColumnIndex);
|
if (result == MissingArgEval.instance)
|
{
|
return BlankEval.instance;
|
}
|
return result;
|
}
|
catch (EvaluationException e)
|
{
|
return e.GetErrorEval();
|
}
|
}
|
|
public static int EvaluateFirstArg(ValueEval arg0, int srcRowIndex, int srcColumnIndex)
|
{
|
ValueEval ev = OperandResolver.GetSingleValue(arg0, srcRowIndex, srcColumnIndex);
|
return OperandResolver.CoerceValueToInt(ev);
|
}
|
}
|
}
|
