QGpgME  8.1.0.0
Qt API for GpgME
dataprovider.h
1 /* dataprovider.h
2  Copyright (C) 2004 Klarälvdalens Datakonsult AB
3  Copyright (c) 2016 Intevation GmbH
4 
5  This file is part of QGPGME.
6 
7  QGPGME is free software; you can redistribute it and/or modify it
8  under the terms of the GNU Library General Public License as published
9  by the Free Software Foundation; either version 2 of the License, or
10  (at your option) any later version.
11 
12  QGPGME is distributed in the hope that it will be useful, but
13  WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU Library General Public License for more details.
16 
17  You should have received a copy of the GNU Library General Public License
18  along with QGPGME; see the file COPYING.LIB. If not, write to the
19  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  Boston, MA 02110-1301, USA. */
21 
22 // -*- c++ -*-
23 #ifndef __QGPGME_DATAPROVIDER_H__
24 #define __QGPGME_DATAPROVIDER_H__
25 
26 #include "qgpgme_export.h"
27 #include <interfaces/dataprovider.h>
28 #include <memory>
29 
30 #include <QtCore/QByteArray>
31 
32 
33 class QIODevice;
34 
35 namespace QGpgME
36 {
37 
38 class QGPGME_EXPORT QByteArrayDataProvider : public GpgME::DataProvider
39 {
40 public:
42  explicit QByteArrayDataProvider(const QByteArray &initialData);
44 
45  const QByteArray &data() const
46  {
47  return mArray;
48  }
49 
50 private:
51  // these shall only be accessed through the dataprovider
52  // interface, where they're public:
53  bool isSupported(Operation) const
54  {
55  return true;
56  }
57  ssize_t read(void *buffer, size_t bufSize);
58  ssize_t write(const void *buffer, size_t bufSize);
59  off_t seek(off_t offset, int whence);
60  void release();
61 
62 private:
63  QByteArray mArray;
64  off_t mOff;
65 };
66 
67 class QGPGME_EXPORT QIODeviceDataProvider : public GpgME::DataProvider
68 {
69 public:
70  explicit QIODeviceDataProvider(const std::shared_ptr<QIODevice> &initialData);
72 
73  const std::shared_ptr<QIODevice> &ioDevice() const
74  {
75  return mIO;
76  }
77 
78 private:
79  // these shall only be accessed through the dataprovider
80  // interface, where they're public:
81  bool isSupported(Operation) const;
82  ssize_t read(void *buffer, size_t bufSize);
83  ssize_t write(const void *buffer, size_t bufSize);
84  off_t seek(off_t offset, int whence);
85  void release();
86 
87 private:
88  const std::shared_ptr<QIODevice> mIO;
89  bool mErrorOccurred : 1;
90  bool mHaveQProcess : 1;
91 };
92 
93 } // namespace QGpgME
94 
95 #endif
Definition: abstractimportjob.h:47
Definition: dataprovider.h:38
Definition: dataprovider.h:67