PDF4QT/PdfTool/pdftoolinfometadata.cpp
2021-09-27 11:14:20 +02:00

83 lines
2.4 KiB
C++

// Copyright (C) 2020-2021 Jakub Melka
//
// This file is part of PDF4QT.
//
// PDF4QT is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// with the written consent of the copyright owner, any later version.
//
// PDF4QT 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#include "pdftoolinfometadata.h"
#include "pdfexception.h"
namespace pdftool
{
static PDFToolInfoMetadataApplication s_infoMetadataApplication;
QString PDFToolInfoMetadataApplication::getStandardString(StandardString standardString) const
{
switch (standardString)
{
case Command:
return "info-metadata";
case Name:
return PDFToolTranslationContext::tr("Extract document metadata");
case Description:
return PDFToolTranslationContext::tr("Extract document metadata (embedded xml stream).");
default:
Q_ASSERT(false);
break;
}
return QString();
}
int PDFToolInfoMetadataApplication::execute(const PDFToolOptions& options)
{
pdf::PDFDocument document;
QByteArray sourceData;
if (!readDocument(options, document, &sourceData, false))
{
return ErrorDocumentReading;
}
pdf::PDFObject metadata = document.getObject(document.getCatalog()->getMetadata());
if (metadata.isStream())
{
try
{
QByteArray rawData = document.getDecodedStream(metadata.getStream());
PDFConsole::writeData(rawData);
}
catch (pdf::PDFException e)
{
PDFConsole::writeError(e.getMessage(), options.outputCodec);
}
}
else
{
PDFConsole::writeError(PDFToolTranslationContext::tr("Metadata not found in document."), options.outputCodec);
}
return ExitSuccess;
}
PDFToolAbstractApplication::Options PDFToolInfoMetadataApplication::getOptionsFlags() const
{
return ConsoleFormat | OpenDocument;
}
} // namespace pdftool