Mercurial > clickerconvert

annotate src/converter.cpp @ 6:a10425e7ef98

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Add free text handling
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 22 Mar 2016 15:15:39 +0100
parents 8b4c49c92451
children 21f11f988115
rev   line source
3
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1 /* Copyright (C) 2016 by ETH Zürich
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8
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9 #include "converter.h"
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10 #include <QDebug>
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11 #include <QRegularExpression>
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12 #include <QRegularExpressionMatch>
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13
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14 #include "xlsxdocument.h"
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15 #include "xlsxconditionalformatting.h"
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16
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17 #include "constants.h"
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18
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19 QTXLSX_USE_NAMESPACE
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20
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21 Converter::Converter(const QString &input, const QString &output,
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22 ConvertFormat fmt, const QString &title):
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23 QThread(Q_NULLPTR),
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24 mInput(input),
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25 mOutput(output),
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26 mFmt(fmt),
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27 mTitle(title)
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28 {
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29 mTitleFmt.setFontUnderline(Format::FontUnderlineSingle);
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30 mTitleFmt.setFontSize(18);
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31 mTitleFmt.setFontName("Calibri");
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32 mTitleFmt.setFontBold(true);
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33 mTitleFmt.setVerticalAlignment(Format::AlignTop);
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34
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35 mQuestionFmt.setFontSize(11);
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36 mQuestionFmt.setFontName("Calibri");
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37 mQuestionFmt.setFontBold(true);
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38 mQuestionFmt.setTopBorderStyle(Format::BorderThin);
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39 mQuestionFmt.setBottomBorderStyle(Format::BorderThin);
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40 mQuestionFmt.setTextWarp(true);
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41
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42 mAnswerChoiceFmt.setFontSize(11);
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43 mAnswerChoiceFmt.setFontName("Calibri");
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44 mAnswerChoiceFmt.setHorizontalAlignment(Format::AlignRight);
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45 mAnswerChoiceFmt.setTextWarp(true);
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46
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47 mChoiceTextFmt = mAnswerChoiceFmt;
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48 mChoiceTextFmt.setVerticalAlignment(Format::AlignVCenter);
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49
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50 mFreeTextFmt = mQuestionFmt;
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51 mFreeTextFmt.setFontBold(false);
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52
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53 mAnswerTextFmt = mQuestionFmt;
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54 mAnswerTextFmt.setVerticalAlignment(Format::AlignVCenter);
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55 mAnswerTextFmt.setHorizontalAlignment(Format::AlignLeft);
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56 }
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57
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58 void Converter::run()
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59 {
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60 QFile infile;
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61
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62 if (mInput.isEmpty()) {
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63 if (!infile.open(stdin, QIODevice::ReadOnly)) {
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64 mErrors << tr("Failed to open standard input and no input file provided.");
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65 return;
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66 }
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67 } else {
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68 infile.setFileName(mInput);
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69 if (!infile.open(QIODevice::ReadOnly)) {
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70 mErrors << tr("Failed to open %1 for reading.").arg(mInput);
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71 return;
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72 }
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73 }
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74 QTextStream instream(&infile);
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75
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76 QFile outfile;
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77 if (mOutput.isEmpty()) {
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78 if (!outfile.open(stdout, QIODevice::WriteOnly)) {
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79 mErrors << tr("Failed to open standard output and no output file provided.");
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80 return;
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81 }
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82 } else {
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83 outfile.setFileName(mOutput);
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84 if (!outfile.open(QIODevice::WriteOnly)) {
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85 mErrors << tr("Failed to open %1 for writing.").arg(mOutput);
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86 return;
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87 }
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88 }
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89 convertToXSLX(instream, outfile);
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90 }
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91
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92 void Converter::convertToXSLX(QTextStream& instream, QFile &output)
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93 {
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94 Document xlsx;
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95
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96 ConditionalFormatting bars;
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97
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98 bars.addDataBarRule(QColor(0xFF, 0x99, 0x33), ConditionalFormatting::VOT_Num,
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99 "0", ConditionalFormatting::VOT_Num, "100", false);
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100
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101 const double colWidth[] = COLUMN_WIDTHS;
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102 double sum = 0;
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103 for (int i = 1; i <= COLUMN_CNT; i++) {
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104 xlsx.setColumnWidth(i, colWidth[i-1]);
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105 sum += colWidth[i-1];
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106 }
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107
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108 /* For the merged cell wordwrap trick. */
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109 xlsx.setColumnWidth(26, sum - 1);
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110 xlsx.setColumnHidden(26, true);
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111
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112 int row = 1;
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113 if (!mTitle.isEmpty()) {
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114 // Set the title of the Questionaire
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115 xlsx.write(row++, 1, mTitle, mTitleFmt);
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116 xlsx.mergeCells("A1:C1");
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117 xlsx.setRowHeight(1, TITLE_ROW_HEIGHT);
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118 }
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119
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120 const QString input = instream.readAll();
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121
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122 QRegularExpression questionEx(QUESTION_PATTERN);
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123 QRegularExpression choiceEx(CHOICE_PATTERN);
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124 QRegularExpression freetxtEx (FREETXT_PATTERN);
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125
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126 QRegularExpressionMatch match = questionEx.match(input);
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127 bool foundSomething = false;
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128 int cursor = match.capturedEnd();
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129 while (match.hasMatch() && cursor != -1) {
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130 /* We've matched a question pattern. With the answer
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131 line */
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132 if (!match.lastCapturedIndex() == 2) {
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133 /* Should not happen without misconfiguration. */
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134 mErrors << "Internal parser error.";
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135 return;
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136 }
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137 foundSomething = true;
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138 const QString question = match.captured(1).trimmed();
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139 const QString answerLine = match.captured(2).trimmed();
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140 xlsx.write(row, 2, QString(" "), mQuestionFmt);
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141 xlsx.write(row, 3, QString(" "), mQuestionFmt);
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142 xlsx.write(row++, 1, question, mQuestionFmt);
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143
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144 if (answerLine == QStringLiteral(CHOICE_IDENTIFIER)) {
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145 QRegularExpressionMatch choiceMatch = choiceEx.match(input, cursor);
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146 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
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147 xlsx.write(row++, 1, tr("Answer"), mAnswerChoiceFmt);
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148 int firstChoiceRow = row;
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149 int lastChoiceRow = row;
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150 while (choiceMatch.hasMatch() && choiceMatch.capturedStart() == cursor + 1) {
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151 /* We use the cursor here to keep track of the state. Only if an answer
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152 follows immediately behind the last answer we treat it as valid as
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153 otherwise we can't figure out when the next question begins. */
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154 cursor = choiceMatch.capturedEnd();
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155
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156 /* Write the values */
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157 xlsx.write(row, 1, choiceMatch.captured(1), mChoiceTextFmt);
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158 bool ok;
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159 double percent = choiceMatch.captured(3).toDouble(&ok);
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160 if (!ok) {
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161 mErrors << "Unparsable number in string: " + choiceMatch.captured();
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162 }
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163 xlsx.write(row, 2, percent);
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164 xlsx.write(row, 3, tr("%1% | %2 Number of votes").
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165 arg(choiceMatch.captured(3)).arg(choiceMatch.captured(2)),
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166 mChoiceVotesFmt);
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167 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
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168 /* As long as we can match a choice which is either before the next question
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169 or before the end of the document */
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170 choiceMatch = choiceEx.match(input, cursor);
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171 row++;
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172 lastChoiceRow++;
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173 }
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174 bars.addRange(QString("B%1:B%2").arg(firstChoiceRow).arg(lastChoiceRow));
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175 } else if (answerLine == QStringLiteral(TEXT_IDENTIFIER)) {
6
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176 QRegularExpressionMatch textMatch = freetxtEx.match(input, cursor);
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177 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
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178 xlsx.write(row++, 1, tr("Answer"), mAnswerTextFmt);
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179 while (textMatch.hasMatch()) {
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180 if (textMatch.capturedStart() != cursor + 1) {
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181 /* The format allows unescaped quotes in the text.
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182 This makes a workaround neccessary. If we have
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183 an Unquoted string between the next quoted string
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184 and that Unquoted string is before the next question
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185 we append the unquoted string and the next quoted string
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186 with Quotes in the Row.*/
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187 QRegularExpressionMatch nextQuestion = questionEx.match(input, cursor);
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188 if (nextQuestion.hasMatch() &&
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189 nextQuestion.capturedStart() < textMatch.capturedEnd()) {
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190 /* The next question comes before the textMatch so we really have
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191 a new question. */
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192 break;
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193 }
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194 const QString lastRow = xlsx.read(row - 1, 26).toString();
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195 int unquotedLen = textMatch.capturedStart() - cursor;
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196 const QString unquoted = input.mid(cursor, unquotedLen);
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197 qDebug() << "Found inner quoted string: " << unquoted;
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198 /* Now combine */
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199 const QString combined = QString("%1\"%2\"%3").arg(lastRow).
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200 arg(unquoted).
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201 arg(textMatch.captured(1).trimmed());
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202 qDebug() << "Last row: " << lastRow;
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203 qDebug() << "Next Question is at: " << nextQuestion.capturedStart();
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204 qDebug() << "Text match is: " << textMatch.captured(1).trimmed();
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205 qDebug() << "cursor is at: " << cursor;
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206 qDebug() << "text match starts at: " << textMatch.capturedStart();
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207 xlsx.write(row - 1, 26, combined, mFreeTextFmt);
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208 cursor = textMatch.capturedEnd();
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209 textMatch = freetxtEx.match(input, cursor);
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210 continue;
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211 }
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212 cursor = textMatch.capturedEnd();
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213
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214 QString text = textMatch.captured(1).trimmed();
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215 qDebug() << "Found free text: " << text;
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216
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217 /* Merge the cells */
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218 xlsx.mergeCells(QString("A%1:C%1").arg(row), mFreeTextFmt);
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219
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220 /* Merged cells ignore wordwrap the following trick is based on:
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221 http://excel.tips.net/T003207_Automatic_Row_Height_For_Merged_Cells_with_Text_Wrap.html
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222 */
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223 /* Write the values */
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224 xlsx.write(QString("Z%1").arg(row), text, mFreeTextFmt);
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225 xlsx.write(row, 1, QString("=Z%1").arg(row));
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226 row++;
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227 textMatch = freetxtEx.match(input, cursor);
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228 }
3
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229 }
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230 /* Insert Empty row. */
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231 xlsx.setRowHeight(row++, CHOICE_ROW_HEIGHT);
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232 match = questionEx.match(input, cursor);
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233 cursor = match.capturedEnd();
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234 }
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235 xlsx.addConditionalFormatting(bars);
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236
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237 if (!foundSomething) {
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238 mErrors << tr("Failed to parse input document.");
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239 }
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240
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241 if (!xlsx.saveAs(&output)) {
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242 mErrors << tr("Saving the XLSX document failed.");
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243 return;
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244 }
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245 }
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