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diff --git a/libtdenetwork/qgpgme/dataprovider.h b/libtdenetwork/qgpgme/dataprovider.h
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+++ b/libtdenetwork/qgpgme/dataprovider.h
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+/* dataprovider.h
+   Copyright (C) 2004 Klarälvdalens Datakonsult AB
+
+   This file is part of TQGPGME.
+ 
+   TQGPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+ 
+   TQGPGME 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with TQGPGME; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.  */
+
+// -*- c++ -*-
+#ifndef __TQGPGME_DATAPROVIDER_H__
+#define __TQGPGME_DATAPROVIDER_H__
+
+#include <gpgmepp/interfaces/dataprovider.h>
+
+#include <tqcstring.h>
+#include <tdepimmacros.h>
+
+namespace QGpgME {
+
+  class KDE_EXPORT TQByteArrayDataProvider : public GpgME::DataProvider {
+  public:
+    TQByteArrayDataProvider();
+    TQByteArrayDataProvider( const TQByteArray & initialData );
+    ~TQByteArrayDataProvider();
+
+    const TQByteArray & data() const { return mArray; }
+
+  private:
+    // these shall only be accessed through the dataprovider
+    // interface, where they're public:
+    /*! \reimp */
+    bool isSupported( Operation ) const { return true; }
+    /*! \reimp */
+    ssize_t read( void * buffer, size_t bufSize );
+    /*! \reimp */
+    ssize_t write( const void * buffer, size_t bufSize );
+    /*! \reimp */
+    off_t seek( off_t offset, int whence );
+    /*! \reimp */
+    void release();
+
+  private:
+    TQByteArray mArray;
+    off_t mOff;
+  };
+
+} // namespace QGpgME
+
+#endif // __TQGPGME_EVENTLOOPINTERACTOR_H__
+
+