mirror of
https://bitbucket.org/smil3y/kdelibs.git
synced 2025-02-23 18:32:49 +00:00
189 lines
6.7 KiB
C++
189 lines
6.7 KiB
C++
/* This file is part of the KDE libraries
|
|
Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License version 2, as published by the Free Software Foundation.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "kfilemetadata_poppler.h"
|
|
#include "kpluginfactory.h"
|
|
#include "kglobal.h"
|
|
#include "klocale.h"
|
|
#include "kdecompressor.h"
|
|
#include "kdebug.h"
|
|
|
|
#include <QDateTime>
|
|
#include <QFile>
|
|
|
|
#include <poppler/cpp/poppler-document.h>
|
|
#include <poppler/cpp/poppler-version.h>
|
|
#include <sys/types.h>
|
|
|
|
#if POPPLER_VERSION_MAJOR >= 23
|
|
typedef time_t popplertimetype;
|
|
#else
|
|
typedef poppler::time_type popplertimetype;
|
|
#endif
|
|
|
|
static QString getString(const poppler::ustring &popplerstring)
|
|
{
|
|
const poppler::byte_array popplerbytes = popplerstring.to_utf8();
|
|
return QString::fromUtf8(popplerbytes.data(), popplerbytes.size());
|
|
}
|
|
|
|
static QString getTime(const popplertimetype &popplertime)
|
|
{
|
|
if (popplertime <= 0) {
|
|
return QString();
|
|
}
|
|
const QDateTime qdatetime(QDateTime::fromTime_t(popplertime));
|
|
return KGlobal::locale()->formatDateTime(qdatetime, QLocale::NarrowFormat);
|
|
}
|
|
|
|
KFileMetaDataPopplerPlugin::KFileMetaDataPopplerPlugin(QObject* parent, const QVariantList &args)
|
|
: KFileMetaDataPlugin(parent)
|
|
{
|
|
Q_UNUSED(args);
|
|
}
|
|
|
|
KFileMetaDataPopplerPlugin::~KFileMetaDataPopplerPlugin()
|
|
{
|
|
}
|
|
|
|
QList<KFileMetaInfoItem> KFileMetaDataPopplerPlugin::metaData(const QString &path)
|
|
{
|
|
QList<KFileMetaInfoItem> result;
|
|
poppler::document* popplerdocument = nullptr;
|
|
// NOTE: data has be kept for as long as the document is open
|
|
QByteArray popplerbytes;
|
|
const KDecompressor::KDecompressorType pathtype = KDecompressor::typeForFile(path);
|
|
if (pathtype != KDecompressor::TypeUnknown) {
|
|
QFile pathfile(path);
|
|
if (!pathfile.open(QFile::ReadOnly)) {
|
|
kWarning() << "Could not open" << path;
|
|
return result;
|
|
}
|
|
KDecompressor kdecompressor;
|
|
kdecompressor.setType(pathtype);
|
|
if (!kdecompressor.process(pathfile.readAll())) {
|
|
kWarning() << "Could not decompress" << path;
|
|
return result;
|
|
}
|
|
popplerbytes = kdecompressor.result();
|
|
popplerdocument = poppler::document::load_from_raw_data(popplerbytes.constData(), popplerbytes.size());
|
|
} else {
|
|
const QByteArray pathbytes = QFile::encodeName(path);
|
|
popplerdocument = poppler::document::load_from_file(std::string(pathbytes.constData(), pathbytes.size()));
|
|
}
|
|
if (!popplerdocument) {
|
|
kWarning() << "Could not open" << path;
|
|
return result;
|
|
}
|
|
const QString popplertitle = getString(popplerdocument->get_title());
|
|
if (!popplertitle.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#title"),
|
|
popplertitle
|
|
)
|
|
);
|
|
}
|
|
const QString popplerauthor = getString(popplerdocument->get_author());
|
|
if (!popplerauthor.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#textWriter"),
|
|
popplerauthor
|
|
)
|
|
);
|
|
}
|
|
const QString popplersubject = getString(popplerdocument->get_subject());
|
|
if (!popplersubject.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#subject"),
|
|
popplersubject
|
|
)
|
|
);
|
|
}
|
|
const QString popplerkeywords = getString(popplerdocument->get_keywords());
|
|
if (!popplerkeywords.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#keyword"),
|
|
popplerkeywords
|
|
)
|
|
);
|
|
}
|
|
const QString popplercreator = getString(popplerdocument->get_creator());
|
|
if (!popplercreator.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/03/22/nco#creator"),
|
|
popplercreator
|
|
)
|
|
);
|
|
}
|
|
const QString popplerproducer = getString(popplerdocument->get_producer());
|
|
if (!popplerproducer.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#generator"),
|
|
popplerproducer
|
|
)
|
|
);
|
|
}
|
|
#if POPPLER_VERSION_MAJOR >= 23
|
|
const QString popplercreationdate = getTime(popplerdocument->get_creation_date_t());
|
|
#else
|
|
const QString popplercreationdate = getTime(popplerdocument->get_creation_date());
|
|
#endif
|
|
if (!popplercreationdate.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#contentCreated"),
|
|
popplercreationdate
|
|
)
|
|
);
|
|
}
|
|
#if POPPLER_VERSION_MAJOR >= 23
|
|
const QString popplermodificationdate = getTime(popplerdocument->get_modification_date_t());
|
|
#else
|
|
const QString popplermodificationdate = getTime(popplerdocument->get_modification_date());
|
|
#endif
|
|
if (!popplermodificationdate.isEmpty()) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#contentLastModified"),
|
|
popplermodificationdate
|
|
)
|
|
);
|
|
}
|
|
const int popplerpages = popplerdocument->pages();
|
|
if (popplerpages > 0) {
|
|
result.append(
|
|
KFileMetaInfoItem(
|
|
QString::fromLatin1("http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#pageCount"),
|
|
QString::number(popplerpages)
|
|
)
|
|
);
|
|
}
|
|
delete popplerdocument;
|
|
return result;
|
|
}
|
|
|
|
K_PLUGIN_FACTORY(KFileMetaDataPopplerPluginFactory, registerPlugin<KFileMetaDataPopplerPlugin>();)
|
|
K_EXPORT_PLUGIN(KFileMetaDataPopplerPluginFactory("kfilemetadata_poppler"))
|
|
|
|
#include "moc_kfilemetadata_poppler.cpp"
|