| 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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