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source: trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.EPPlus/4.0.3/EPPlus-4.0.3/FormulaParsing/Excel/Functions/Math/SumIfs.cs @ 12074

Last change on this file since 12074 was 12074, checked in by sraggl, 9 years ago

#2341: Added EPPlus-4.0.3 to ExtLibs

File size: 3.1 KB
Line 
1/* Copyright (C) 2011  Jan Källman
2 *
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
7
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
11 * See the GNU Lesser General Public License for more details.
12 *
13 * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
14 * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
15 *
16 * All code and executables are provided "as is" with no warranty either express or implied.
17 * The author accepts no liability for any damage or loss of business that this product may cause.
18 *
19 * Code change notes:
20 *
21 * Author             Change            Date
22 *******************************************************************************
23 * Mats Alm                       Added                   2015-01-15
24 *******************************************************************************/
25using System;
26using System.Collections.Generic;
27using System.Linq;
28using System.Text;
29using OfficeOpenXml.FormulaParsing.ExpressionGraph;
30
31namespace OfficeOpenXml.FormulaParsing.Excel.Functions.Math
32{
33    public class SumIfs : MultipleRangeCriteriasFunction
34    {
35        public override CompileResult Execute(IEnumerable<FunctionArgument> arguments, ParsingContext context)
36        {
37            var functionArguments = arguments as FunctionArgument[] ?? arguments.ToArray();
38            ValidateArguments(functionArguments, 3);
39            var sumRange = ArgsToDoubleEnumerable(true, new List<FunctionArgument> {functionArguments[0]}, context).ToList();
40            var argRanges = new List<ExcelDataProvider.IRangeInfo>();
41            var criterias = new List<object>();
42            for (var ix = 1; ix < 31; ix += 2)
43            {
44                if (functionArguments.Length <= ix) break;
45                var rangeInfo = functionArguments[ix].ValueAsRangeInfo;
46                argRanges.Add(rangeInfo);
47                if (ix > 1)
48                {
49                    ThrowExcelErrorValueExceptionIf(() => rangeInfo.GetNCells() != argRanges[0].GetNCells(), eErrorType.Value);
50                }
51                criterias.Add(functionArguments[ix + 1].Value);
52            }
53            IEnumerable<int> matchIndexes = GetMatchIndexes(argRanges[0], criterias[0]);
54            var enumerable = matchIndexes as IList<int> ?? matchIndexes.ToList();
55            for (var ix = 1; ix < argRanges.Count && enumerable.Any(); ix++)
56            {
57                var indexes = GetMatchIndexes(argRanges[ix], criterias[ix]);
58                matchIndexes = enumerable.Intersect(indexes);
59            }
60
61            var result = matchIndexes.Sum(index => sumRange[index]);
62
63            return CreateResult(result, DataType.Decimal);
64        }
65    }
66}
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