1 | /* Copyright (C) 2011 Jan Källman
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2 | *
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3 | * This library is free software; you can redistribute it and/or
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4 | * modify it under the terms of the GNU Lesser General Public
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5 | * License as published by the Free Software Foundation; either
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6 | * version 2.1 of the License, or (at your option) any later version.
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7 |
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8 | * This library is distributed in the hope that it will be useful,
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 | * See the GNU Lesser General Public License for more details.
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12 | *
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13 | * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
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14 | * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
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15 | *
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16 | * All code and executables are provided "as is" with no warranty either express or implied.
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17 | * The author accepts no liability for any damage or loss of business that this product may cause.
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18 | *
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19 | * Code change notes:
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20 | *
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21 | * Author Change Date
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22 | *******************************************************************************
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23 | * Mats Alm Added 2015-01-15
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24 | *******************************************************************************/
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25 | using OfficeOpenXml.FormulaParsing.ExpressionGraph;
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26 | using System;
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27 | using System.Collections.Generic;
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28 | using System.Linq;
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29 | using System.Text;
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30 |
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31 | namespace OfficeOpenXml.FormulaParsing.Excel.Functions.Information
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32 | {
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33 | public class ErrorType : ExcelFunction
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34 | {
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35 | public override CompileResult Execute(IEnumerable<FunctionArgument> arguments, ParsingContext context)
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36 | {
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37 | ValidateArguments(arguments, 1);
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38 | var error = arguments.ElementAt(0);
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39 | var isErrorFunc = context.Configuration.FunctionRepository.GetFunction("iserror");
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40 | var isErrorResult = isErrorFunc.Execute(arguments, context);
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41 | if (!(bool) isErrorResult.Result)
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42 | {
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43 | return CreateResult(ExcelErrorValue.Create(eErrorType.NA), DataType.ExcelError);
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44 | }
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45 | var errorType = error.ValueAsExcelErrorValue;
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46 | int retValue;
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47 | switch (errorType.Type)
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48 | {
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49 | case eErrorType.Null:
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50 | return CreateResult(1, DataType.Integer);
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51 | case eErrorType.Div0:
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52 | return CreateResult(2, DataType.Integer);
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53 | case eErrorType.Value:
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54 | return CreateResult(3, DataType.Integer);
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55 | case eErrorType.Ref:
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56 | return CreateResult(4, DataType.Integer);
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57 | case eErrorType.Name:
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58 | return CreateResult(5, DataType.Integer);
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59 | case eErrorType.Num:
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60 | return CreateResult(6, DataType.Integer);
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61 | case eErrorType.NA:
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62 | return CreateResult(7, DataType.Integer);
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63 | }
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64 | return CreateResult(ExcelErrorValue.Create(eErrorType.NA), DataType.ExcelError);
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65 | }
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66 | }
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67 | }
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