1 files changed, 95 insertions, 0 deletions
diff --git a/lang/qt/src/dataprovider.h b/lang/qt/src/dataprovider.h
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+++ b/lang/qt/src/dataprovider.h
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+/* dataprovider.h
+   Copyright (C) 2004 Klarälvdalens Datakonsult AB
+    Copyright (c) 2016 Intevation GmbH
+
+   This file is part of QGPGME.
+
+   QGPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Library General Public License as published
+   by the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   QGPGME 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 QGPGME; see the file COPYING.LIB.  If not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA. */
+
+// -*- c++ -*-
+#ifndef __QGPGME_DATAPROVIDER_H__
+#define __QGPGME_DATAPROVIDER_H__
+
+#include "qgpgme_export.h"
+#include <interfaces/dataprovider.h>
+#include <memory>
+
+#include <QtCore/QByteArray>
+
+
+class QIODevice;
+
+namespace QGpgME
+{
+
+class QGPGME_EXPORT QByteArrayDataProvider : public GpgME::DataProvider
+{
+public:
+    QByteArrayDataProvider();
+    explicit QByteArrayDataProvider(const QByteArray &initialData);
+    ~QByteArrayDataProvider();
+
+    const QByteArray &data() const
+    {
+        return mArray;
+    }
+
+private:
+    // these shall only be accessed through the dataprovider
+    // interface, where they're public:
+    bool isSupported(Operation) const
+    {
+        return true;
+    }
+    ssize_t read(void *buffer, size_t bufSize);
+    ssize_t write(const void *buffer, size_t bufSize);
+    off_t seek(off_t offset, int whence);
+    void release();
+
+private:
+    QByteArray mArray;
+    off_t mOff;
+};
+
+class QGPGME_EXPORT QIODeviceDataProvider : public GpgME::DataProvider
+{
+public:
+    explicit QIODeviceDataProvider(const std::shared_ptr<QIODevice> &initialData);
+    ~QIODeviceDataProvider();
+
+    const std::shared_ptr<QIODevice> &ioDevice() const
+    {
+        return mIO;
+    }
+
+private:
+    // these shall only be accessed through the dataprovider
+    // interface, where they're public:
+    bool isSupported(Operation) const;
+    ssize_t read(void *buffer, size_t bufSize);
+    ssize_t write(const void *buffer, size_t bufSize);
+    off_t seek(off_t offset, int whence);
+    void release();
+
+private:
+    const std::shared_ptr<QIODevice> mIO;
+    bool mErrorOccurred : 1;
+    bool mHaveQProcess  : 1;
+};
+
+} // namespace QGpgME
+
+#endif