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 2013-12-03
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24 | *******************************************************************************/
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25 | using System;
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26 | using System.Collections.Generic;
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27 | using System.Linq;
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28 | using System.Text;
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29 | using OfficeOpenXml.FormulaParsing.ExpressionGraph;
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30 |
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31 | namespace OfficeOpenXml.FormulaParsing.Excel.Functions.RefAndLookup
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32 | {
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33 | public class LookupArguments
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34 | {
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35 | public enum LookupArgumentDataType
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36 | {
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37 | ExcelRange,
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38 | DataArray
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39 | }
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40 |
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41 | public LookupArguments(IEnumerable<FunctionArgument> arguments)
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42 | : this(arguments, new ArgumentParsers())
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43 | {
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44 |
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45 | }
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46 |
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47 | public LookupArguments(IEnumerable<FunctionArgument> arguments, ArgumentParsers argumentParsers)
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48 | {
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49 | _argumentParsers = argumentParsers;
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50 | SearchedValue = arguments.ElementAt(0).Value;
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51 | var arg1 = arguments.ElementAt(1).Value;
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52 | var dataArray = arg1 as IEnumerable<FunctionArgument>;
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53 | if (dataArray != null)
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54 | {
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55 | DataArray = dataArray;
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56 | ArgumentDataType = LookupArgumentDataType.DataArray;
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57 | }
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58 | else
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59 | {
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60 | //if (arg1 is ExcelDataProvider.INameInfo) arg1 = ((ExcelDataProvider.INameInfo) arg1).Value;
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61 | var rangeInfo = arg1 as ExcelDataProvider.IRangeInfo;
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62 | if (rangeInfo != null)
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63 | {
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64 | RangeAddress = string.IsNullOrEmpty(rangeInfo.Address.WorkSheet) ? rangeInfo.Address.Address : "'" + rangeInfo.Address.WorkSheet + "'!" + rangeInfo.Address.Address;
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65 | RangeInfo = rangeInfo;
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66 | ArgumentDataType = LookupArgumentDataType.ExcelRange;
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67 | }
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68 | else
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69 | {
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70 | RangeAddress = arg1.ToString();
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71 | ArgumentDataType = LookupArgumentDataType.ExcelRange;
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72 | }
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73 | }
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74 | LookupIndex = (int)_argumentParsers.GetParser(DataType.Integer).Parse(arguments.ElementAt(2).Value);
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75 | if (arguments.Count() > 3)
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76 | {
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77 | RangeLookup = (bool)_argumentParsers.GetParser(DataType.Boolean).Parse(arguments.ElementAt(3).Value);
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78 | }
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79 | else
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80 | {
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81 | RangeLookup = true;
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82 | }
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83 | }
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84 |
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85 | public LookupArguments(object searchedValue, string rangeAddress, int lookupIndex, int lookupOffset, bool rangeLookup)
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86 | {
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87 | SearchedValue = searchedValue;
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88 | RangeAddress = rangeAddress;
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89 | LookupIndex = lookupIndex;
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90 | LookupOffset = lookupOffset;
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91 | RangeLookup = rangeLookup;
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92 | }
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93 |
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94 | private readonly ArgumentParsers _argumentParsers;
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95 |
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96 | public object SearchedValue { get; private set; }
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97 |
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98 | public string RangeAddress { get; private set; }
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99 |
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100 | public int LookupIndex { get; private set; }
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101 |
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102 | public int LookupOffset { get; private set; }
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103 |
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104 | public bool RangeLookup { get; private set; }
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105 |
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106 | public IEnumerable<FunctionArgument> DataArray { get; private set; }
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107 |
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108 | public ExcelDataProvider.IRangeInfo RangeInfo { get; private set; }
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109 |
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110 | public LookupArgumentDataType ArgumentDataType { get; private set; }
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111 | }
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112 | }
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