File indexing completed on 2024-04-14 03:43:57

 /*
     SPDX-FileCopyrightText: 2008-2010 Peter Hedlund <peter.hedlund@kdemail.net>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "blankanswer.h"
 
 #include <QRegularExpression>
 #include <QStringList>
 
 using namespace Qt::Literals::StringLiterals;
 
 QString BlankAnswer::input() const
 {
     return m_input;
 }
 
 void BlankAnswer::setInput(const QString &input)
 {
     if (input == m_input) {
         return;
     }
     m_input = input;
 
     m_blankResult = blankAnswer(m_input);
 
     Q_EMIT inputChanged();
 }
 
 bool BlankAnswer::hasBlank() const
 {
     return m_blankResult.correctAnswer.length() > 0;
 }
 
 QString BlankAnswer::blankedAnswer() const
 {
     return m_blankResult.blankedAnswer;
 }
 
 QString BlankAnswer::correctAnswer() const
 {
     return m_blankResult.correctAnswer;
 }
 
 BlankAnswer::BlankResult BlankAnswer::blankAnswer(const QString &input)
 {
     BlankResult result;
     static QRegularExpression rx(u"\\[(.*?)\\]"_s);
 
     QRegularExpressionMatchIterator matchIt = rx.globalMatch(input);
 
     // When there is no blank return an empty result
     if (!matchIt.hasNext()) {
         return result;
     }
 
     result.blankedAnswer = input;
     result.blankedAnswer.replace(rx, u".........."_s);
 
     QStringList answerParts;
 
     while (matchIt.hasNext()) {
         QRegularExpressionMatch match = matchIt.next();
         answerParts << match.captured(1);
     }
 
     result.correctAnswer = answerParts.join(u"; "_s);
 
     return result;
 }
 
 QString BlankAnswer::yourAnswerResult(const QString &givenAnswer, const QString &blankedAnswer)
 {
     QString result = givenAnswer;
 
     if (!blankedAnswer.isEmpty()) {
         result.clear();
         QStringList ls;
 
         if (givenAnswer.indexOf(QLatin1Char(';')) > 0)
             ls = givenAnswer.split(QLatin1Char(';'));
         else
             ls.append(givenAnswer);
 
         result = QString(blankedAnswer).replace(u".........."_s, u"<u></u>"_s);
 
         int offset = 0, counter = 0;
         while (offset >= 0 && counter < ls.size()) {
             offset = result.indexOf(u"<u>"_s, offset);
             if (offset >= 0) {
                 result.insert(offset + 3, ls[counter]);
                 offset++;
                 counter++;
             }
         }
         result.append(u"</qt>"_s);
         result.prepend(u"<qt>"_s);
     }
 
     return result;
 }
 
 #include "moc_blankanswer.cpp"