File indexing completed on 2024-12-15 04:13:43

 /*
     Kchmviewer - a CHM and EPUB file viewer with broad language support
     SPDX-FileCopyrightText: 2004-2014 George Yunaev gyunaev@ulduzsoft.com
 
     SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 #include "helperxmlhandler_epubcontent.h"
 
 HelperXmlHandler_EpubContent::HelperXmlHandler_EpubContent()
 {
     m_state = STATE_NONE;
 }
 
 bool HelperXmlHandler_EpubContent::startElement(const QString &, const QString &localName, const QString &, const QXmlAttributes &atts)
 {
     // <metadata> tag contains the medatada which goes into m_metadata
     if (localName == QLatin1String("metadata")) {
         m_state = STATE_IN_METADATA;
     } else if (localName == QLatin1String("manifest")) {
         m_state = STATE_IN_MANIFEST;
     } else if (localName == QLatin1String("spine")) {
         m_state = STATE_IN_SPINE;
     } else if (m_state == STATE_IN_METADATA) { // we don't need to store the first 'metadata' here
         // Now handle the states
         m_tagname = localName;
     } else if (m_state == STATE_IN_MANIFEST && localName == QLatin1String("item")) {
         int idx_id = atts.index(QLatin1String("id"));
         int idx_href = atts.index(QLatin1String("href"));
         int idx_mtype = atts.index(QLatin1String("media-type"));
 
         if (idx_id == -1 || idx_href == -1 || idx_mtype == -1) {
             return false;
         }
 
         manifest[atts.value(idx_id)] = atts.value(idx_href);
 
         if (atts.value(idx_mtype) == QLatin1String("application/x-dtbncx+xml")) {
             tocname = atts.value(idx_href);
         }
 
         // qDebug() << "MANIFEST: " << atts.value( idx_id ) << "->" << atts.value( idx_href );
     } else if (m_state == STATE_IN_SPINE && localName == QLatin1String("itemref")) {
         int idx = atts.index(QLatin1String("idref"));
 
         if (idx == -1) {
             return false;
         }
 
         spine.push_back(atts.value(idx));
         // qDebug() << "SPINE: " << atts.value( idx );
     }
 
     return true;
 }
 
 bool HelperXmlHandler_EpubContent::characters(const QString &ch)
 {
     if (m_state == STATE_IN_METADATA && !m_tagname.isEmpty() && !ch.trimmed().isEmpty()) {
         // Some metadata may be duplicated; we concantenate them with |
         if (metadata.contains(m_tagname)) {
             metadata[m_tagname].append(QStringLiteral("|"));
             metadata[m_tagname].append(ch.trimmed());
         } else {
             metadata[m_tagname] = ch.trimmed();
         }
 
         // qDebug() << "METATAG: " << m_tagname << " " << metadata[ m_tagname ];
     }
 
     return true;
 }
 
 bool HelperXmlHandler_EpubContent::endElement(const QString &, const QString &, const QString &qName)
 {
     if (qName == QLatin1String("manifest") || qName == QLatin1String("metadata") || qName == QLatin1String("spine")) {
         m_state = STATE_NONE;
     }
 
     return true;
 }