PDF4QT/PdfTool/pdftoolabstractapplication.cpp

113 lines
3.1 KiB
C++

// Copyright (C) 2020 Jakub Melka
//
// This file is part of PdfForQt.
//
// PdfForQt 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
// (at your option) any later version.
//
// PdfForQt 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 PDFForQt. If not, see <https://www.gnu.org/licenses/>.
#include "pdftoolabstractapplication.h"
namespace pdftool
{
class PDFToolHelpApplication : public PDFToolAbstractApplication
{
public:
PDFToolHelpApplication() : PDFToolAbstractApplication(true) { }
virtual QString getStandardString(StandardString standardString) const override;
virtual int execute(const PDFToolOptions& options) override;
};
static PDFToolHelpApplication s_helpApplication;
QString PDFToolHelpApplication::getStandardString(StandardString standardString) const
{
switch (standardString)
{
case Command:
return "help";
case Name:
return PDFToolTranslationContext::tr("Help");
case Description:
return PDFToolTranslationContext::tr("Show list of all available commands.");
default:
Q_ASSERT(false);
break;
}
return QString();
}
int PDFToolHelpApplication::execute(const PDFToolOptions& options)
{
return EXIT_SUCCESS;
}
PDFToolAbstractApplication::PDFToolAbstractApplication(bool isDefault)
{
PDFToolApplicationStorage::registerApplication(this, isDefault);
}
void PDFToolAbstractApplication::initializeCommandLineParser(QCommandLineParser* parser) const
{
}
PDFToolOptions PDFToolAbstractApplication::getOptions(QCommandLineParser* parser) const
{
PDFToolOptions options;
return options;
}
PDFToolAbstractApplication* PDFToolApplicationStorage::getApplicationByCommand(const QString& command)
{
for (PDFToolAbstractApplication* application : getInstance()->m_applications)
{
if (application->getStandardString(PDFToolAbstractApplication::Command) == command)
{
return application;
}
}
return nullptr;
}
void PDFToolApplicationStorage::registerApplication(PDFToolAbstractApplication* application, bool isDefault)
{
PDFToolApplicationStorage* storage = getInstance();
storage->m_applications.push_back(application);
if (isDefault)
{
storage->m_defaultApplication = application;
}
}
PDFToolAbstractApplication* PDFToolApplicationStorage::getDefaultApplication()
{
return getInstance()->m_defaultApplication;
}
PDFToolApplicationStorage* PDFToolApplicationStorage::getInstance()
{
static PDFToolApplicationStorage storage;
return &storage;
}
} // pdftool