170 lines
6.8 KiB
C++
170 lines
6.8 KiB
C++
// xlsxdocpropscore.cpp
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#include "xlsxdocpropscore_p.h"
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#include <QBuffer>
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#include <QDateTime>
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#include <QDebug>
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#include <QDir>
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#include <QFile>
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#include <QXmlStreamReader>
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#include <QXmlStreamWriter>
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QT_BEGIN_NAMESPACE_XLSX
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DocPropsCore::DocPropsCore(CreateFlag flag)
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: AbstractOOXmlFile(flag)
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{
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}
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bool DocPropsCore::setProperty(const QString &name, const QString &value)
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{
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static const QStringList validKeys = {QStringLiteral("title"),
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QStringLiteral("subject"),
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QStringLiteral("keywords"),
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QStringLiteral("description"),
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QStringLiteral("category"),
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QStringLiteral("status"),
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QStringLiteral("created"),
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QStringLiteral("creator")};
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if (!validKeys.contains(name))
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return false;
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if (value.isEmpty())
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m_properties.remove(name);
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else
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m_properties[name] = value;
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return true;
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}
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QString DocPropsCore::property(const QString &name) const
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{
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auto it = m_properties.constFind(name);
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if (it != m_properties.constEnd())
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return it.value();
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return QString();
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}
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QStringList DocPropsCore::propertyNames() const
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{
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return m_properties.keys();
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}
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void DocPropsCore::saveToXmlFile(QIODevice *device) const
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{
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QXmlStreamWriter writer(device);
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const QString cp =
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QStringLiteral("http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
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const QString dc = QStringLiteral("http://purl.org/dc/elements/1.1/");
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const QString dcterms = QStringLiteral("http://purl.org/dc/terms/");
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const QString dcmitype = QStringLiteral("http://purl.org/dc/dcmitype/");
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const QString xsi = QStringLiteral("http://www.w3.org/2001/XMLSchema-instance");
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writer.writeStartDocument(QStringLiteral("1.0"), true);
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writer.writeStartElement(QStringLiteral("cp:coreProperties"));
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writer.writeNamespace(cp, QStringLiteral("cp"));
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writer.writeNamespace(dc, QStringLiteral("dc"));
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writer.writeNamespace(dcterms, QStringLiteral("dcterms"));
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writer.writeNamespace(dcmitype, QStringLiteral("dcmitype"));
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writer.writeNamespace(xsi, QStringLiteral("xsi"));
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auto it = m_properties.constFind(QStringLiteral("title"));
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if (it != m_properties.constEnd())
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writer.writeTextElement(dc, QStringLiteral("title"), it.value());
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it = m_properties.constFind(QStringLiteral("subject"));
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if (it != m_properties.constEnd())
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writer.writeTextElement(dc, QStringLiteral("subject"), it.value());
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it = m_properties.constFind(QStringLiteral("creator"));
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writer.writeTextElement(dc,
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QStringLiteral("creator"),
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it != m_properties.constEnd() ? it.value()
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: QStringLiteral("Qt Xlsx Library"));
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it = m_properties.constFind(QStringLiteral("keywords"));
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if (it != m_properties.constEnd())
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writer.writeTextElement(cp, QStringLiteral("keywords"), it.value());
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it = m_properties.constFind(QStringLiteral("description"));
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if (it != m_properties.constEnd())
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writer.writeTextElement(dc, QStringLiteral("description"), it.value());
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it = m_properties.constFind(QStringLiteral("creator"));
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writer.writeTextElement(cp,
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QStringLiteral("lastModifiedBy"),
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it != m_properties.constEnd() ? it.value()
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: QStringLiteral("Qt Xlsx Library"));
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writer.writeStartElement(dcterms, QStringLiteral("created"));
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writer.writeAttribute(xsi, QStringLiteral("type"), QStringLiteral("dcterms:W3CDTF"));
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it = m_properties.constFind(QStringLiteral("created"));
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writer.writeCharacters(it != m_properties.constEnd()
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? it.value()
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: QDateTime::currentDateTime().toString(Qt::ISODate));
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writer.writeEndElement(); // dcterms:created
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writer.writeStartElement(dcterms, QStringLiteral("modified"));
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writer.writeAttribute(xsi, QStringLiteral("type"), QStringLiteral("dcterms:W3CDTF"));
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writer.writeCharacters(QDateTime::currentDateTime().toString(Qt::ISODate));
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writer.writeEndElement(); // dcterms:created
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it = m_properties.constFind(QStringLiteral("category"));
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if (it != m_properties.constEnd())
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writer.writeTextElement(cp, QStringLiteral("category"), it.value());
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it = m_properties.constFind(QStringLiteral("status"));
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if (it != m_properties.constEnd())
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writer.writeTextElement(cp, QStringLiteral("contentStatus"), it.value());
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writer.writeEndElement(); // cp:coreProperties
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writer.writeEndDocument();
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}
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bool DocPropsCore::loadFromXmlFile(QIODevice *device)
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{
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QXmlStreamReader reader(device);
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const QString cp =
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QStringLiteral("http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
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const QString dc = QStringLiteral("http://purl.org/dc/elements/1.1/");
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const QString dcterms = QStringLiteral("http://purl.org/dc/terms/");
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while (!reader.atEnd()) {
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QXmlStreamReader::TokenType token = reader.readNext();
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if (token == QXmlStreamReader::StartElement) {
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const auto &nsUri = reader.namespaceUri();
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const auto &name = reader.name();
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if (name == QStringLiteral("subject") && nsUri == dc) {
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setProperty(QStringLiteral("subject"), reader.readElementText());
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} else if (name == QStringLiteral("title") && nsUri == dc) {
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setProperty(QStringLiteral("title"), reader.readElementText());
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} else if (name == QStringLiteral("creator") && nsUri == dc) {
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setProperty(QStringLiteral("creator"), reader.readElementText());
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} else if (name == QStringLiteral("description") && nsUri == dc) {
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setProperty(QStringLiteral("description"), reader.readElementText());
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} else if (name == QStringLiteral("keywords") && nsUri == cp) {
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setProperty(QStringLiteral("keywords"), reader.readElementText());
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} else if (name == QStringLiteral("created") && nsUri == dcterms) {
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setProperty(QStringLiteral("created"), reader.readElementText());
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} else if (name == QStringLiteral("category") && nsUri == cp) {
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setProperty(QStringLiteral("category"), reader.readElementText());
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} else if (name == QStringLiteral("contentStatus") && nsUri == cp) {
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setProperty(QStringLiteral("status"), reader.readElementText());
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}
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}
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if (reader.hasError()) {
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qDebug() << "Error when read doc props core file." << reader.errorString();
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}
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}
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return true;
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}
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QT_END_NAMESPACE_XLSX
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