/*
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* Licensed to the Apache Software Foundation (ASF) Under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for Additional information regarding copyright ownership.
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* The ASF licenses this file to You Under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed Under the License is distributed on an "AS Is" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations Under the License.
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*/
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namespace HH.WMS.Utils.NPOI.SS.Formula.Functions
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{
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using HH.WMS.Utils.NPOI.SS.Formula.Eval;
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/**
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* Implementation for Excel COLUMNS function.
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*
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* @author Josh Micich
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*/
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public class Columns : Fixed1ArgFunction
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{
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public override ValueEval Evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0)
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{
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int result;
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if (arg0 is AreaEval)
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{
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result = ((AreaEval)arg0).Width;
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}
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else if (arg0 is RefEval)
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{
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result = 1;
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}
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else
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{ // anything else is not valid argument
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return ErrorEval.VALUE_INVALID;
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}
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return new NumberEval(result);
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}
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}
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}
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