File indexing completed on 2024-04-28 07:36:27

 /*
  * create a KEduVocDocument from a Pauker file
  * SPDX-FileCopyrightText: 2004, 2007 Peter Hedlund <peter.hedlund@kdemail.net>
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "keduvocpaukerreader.h"
 
 #include <KLocalizedString>
 #include <QIODevice>
 #include <QTextStream>
 
 #include "keduvocexpression.h"
 #include "keduvoclesson.h"
 #include <QDebug>
 
 KEduVocPaukerReader::KEduVocPaukerReader(QIODevice &dev)
     : m_dev(dev)
 {
 }
 
 QString KEduVocPaukerReader::errorMessage() const
 {
     return i18n("Parse error at line %1, column %2:\n%3", lineNumber(), columnNumber(), errorString());
 }
 
 bool KEduVocPaukerReader::isParsable()
 {
     //@todo fix the xml isParsable to not expect lines as xml doesn't require lines
     QTextStream ts(&m_dev);
     QString line1(ts.readLine());
     QString line2(ts.readLine());
 
     m_dev.seek(0);
     return ((line1.startsWith(QLatin1String("<?xml"))) && (line2.indexOf(QLatin1String("pauker"), 0) > 0));
 }
 
 KEduVocDocument::FileType KEduVocPaukerReader::fileTypeHandled()
 {
     return KEduVocDocument::Pauker;
 }
 
 KEduVocDocument::ErrorCode KEduVocPaukerReader::read(KEduVocDocument &doc)
 {
     m_doc = &doc;
 
     setDevice(&m_dev);
 
     while (!atEnd()) {
         readNext();
 
         if (isStartElement()) {
             if (name() == QStringView(QStringLiteral("Lesson")))
                 readPauker();
             else {
                 qWarning() << i18n("This is not a Pauker document");
                 return KEduVocDocument::FileTypeUnknown;
             }
         }
     }
 
     return error() ? KEduVocDocument::FileReaderFailed : KEduVocDocument::NoError;
 }
 
 void KEduVocPaukerReader::readUnknownElement()
 {
     while (!atEnd()) {
         readNext();
 
         if (isEndElement())
             break;
 
         if (isStartElement())
             readUnknownElement();
     }
 }
 
 void KEduVocPaukerReader::readPauker()
 {
     m_doc->setAuthor(QStringLiteral("http://pauker.sf.net"));
     /// Pauker does not provide any column titles
     m_doc->appendIdentifier();
     m_doc->appendIdentifier();
 
     while (!atEnd()) {
         readNext();
 
         if (isEndElement())
             break;
 
         if (isStartElement()) {
             if (name() == QStringView(QStringLiteral("Description")))
                 m_doc->setDocumentComment(readElementText());
             else if (name() == QStringView(QStringLiteral("Batch")))
                 readBatch();
             else
                 readUnknownElement();
         }
     }
 }
 
 void KEduVocPaukerReader::readBatch()
 {
     while (!atEnd()) {
         readNext();
 
         if (isEndElement())
             break;
 
         if (isStartElement()) {
             if (name() == QStringView(QStringLiteral("Card")))
                 readCard();
             else
                 readUnknownElement();
         }
     }
 }
 
 void KEduVocPaukerReader::readCard()
 {
     QString front;
     QString back;
 
     while (!atEnd()) {
         readNext();
 
         if (isEndElement())
             break;
 
         if (isStartElement()) {
             if (name() == QStringView(QStringLiteral("FrontSide")))
                 front = readText();
             else if (name() == QStringView(QStringLiteral("ReverseSide")))
                 back = readText();
             else
                 readUnknownElement();
         }
     }
 
     KEduVocLesson *lesson = new KEduVocLesson(i18n("Vocabulary"), m_doc->lesson());
     m_doc->lesson()->appendChildContainer(lesson);
 
     KEduVocExpression *expr = new KEduVocExpression(QStringList() << front << back);
     lesson->appendEntry(expr);
 }
 
 QString KEduVocPaukerReader::readText()
 {
     QString result;
 
     while (!atEnd()) {
         readNext();
 
         if (isEndElement())
             break;
 
         if (isStartElement()) {
             if (name() == QStringView(QStringLiteral("Text")))
                 result = readElementText();
             else
                 readUnknownElement();
         }
     }
     return result;
 }