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