96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
/* dataprovider.h
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Copyright (C) 2004 Klarälvdalens Datakonsult AB
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Copyright (c) 2016 Intevation GmbH
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This file is part of QGPGME.
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QGPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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QGPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with QGPGME; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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// -*- c++ -*-
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#ifndef __QGPGME_DATAPROVIDER_H__
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#define __QGPGME_DATAPROVIDER_H__
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#include "qgpgme_export.h"
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#include <interfaces/dataprovider.h>
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#include <memory>
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#include <QtCore/QByteArray>
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class QIODevice;
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namespace QGpgME
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{
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class QGPGME_EXPORT QByteArrayDataProvider : public GpgME::DataProvider
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{
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public:
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QByteArrayDataProvider();
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explicit QByteArrayDataProvider(const QByteArray &initialData);
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~QByteArrayDataProvider();
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const QByteArray &data() const
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{
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return mArray;
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}
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private:
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// these shall only be accessed through the dataprovider
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// interface, where they're public:
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bool isSupported(Operation) const
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{
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return true;
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}
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ssize_t read(void *buffer, size_t bufSize);
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ssize_t write(const void *buffer, size_t bufSize);
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off_t seek(off_t offset, int whence);
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void release();
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private:
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QByteArray mArray;
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off_t mOff;
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};
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class QGPGME_EXPORT QIODeviceDataProvider : public GpgME::DataProvider
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{
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public:
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explicit QIODeviceDataProvider(const std::shared_ptr<QIODevice> &initialData);
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~QIODeviceDataProvider();
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const std::shared_ptr<QIODevice> &ioDevice() const
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{
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return mIO;
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}
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private:
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// these shall only be accessed through the dataprovider
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// interface, where they're public:
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bool isSupported(Operation) const;
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ssize_t read(void *buffer, size_t bufSize);
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ssize_t write(const void *buffer, size_t bufSize);
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off_t seek(off_t offset, int whence);
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void release();
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private:
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const std::shared_ptr<QIODevice> mIO;
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bool mErrorOccurred : 1;
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bool mHaveQProcess : 1;
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};
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} // namespace QGpgME
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#endif
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