QGpgME 19.4.0.000001f
Qt API for GpgME
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dataprovider.h
1/* dataprovider.h
2 Copyright (C) 2004 Klarälvdalens Datakonsult AB
3 Copyright (c) 2016 by Bundesamt für Sicherheit in der Informationstechnik
4 Software engineering by Intevation GmbH
5
6 This file is part of QGPGME.
7
8 QGPGME is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Library General Public License as published
10 by the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 QGPGME is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU Library General Public License for more details.
17
18 You should have received a copy of the GNU Library General Public License
19 along with QGPGME; see the file COPYING.LIB. If not, write to the
20 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
22
23// -*- c++ -*-
24#ifndef __QGPGME_DATAPROVIDER_H__
25#define __QGPGME_DATAPROVIDER_H__
26
27#include "qgpgme_export.h"
28
29#ifdef BUILDING_QGPGME
30#include <interfaces/dataprovider.h>
31#else
32#include <gpgme++/interfaces/dataprovider.h>
33#endif
34
35#include <memory>
36
37#include <QtCore/QByteArray>
38
39
40class QIODevice;
41
42namespace QGpgME
43{
44
45class QGPGME_EXPORT QByteArrayDataProvider : public GpgME::DataProvider
46{
47public:
49 explicit QByteArrayDataProvider(const QByteArray &initialData);
51
52 const QByteArray &data() const
53 {
54 return mArray;
55 }
56
57private:
58 // these shall only be accessed through the dataprovider
59 // interface, where they're public:
60 bool isSupported(Operation) const override
61 {
62 return true;
63 }
64 ssize_t read(void *buffer, size_t bufSize) override;
65 ssize_t write(const void *buffer, size_t bufSize) override;
66 off_t seek(off_t offset, int whence) override;
67 void release() override;
68
69private:
70 QByteArray mArray;
71 off_t mOff;
72};
73
74class QGPGME_EXPORT QIODeviceDataProvider : public GpgME::DataProvider
75{
76public:
77 explicit QIODeviceDataProvider(const std::shared_ptr<QIODevice> &initialData);
79
80 const std::shared_ptr<QIODevice> &ioDevice() const
81 {
82 return mIO;
83 }
84
85private:
86 // these shall only be accessed through the dataprovider
87 // interface, where they're public:
88 bool isSupported(Operation) const override;
89 ssize_t read(void *buffer, size_t bufSize) override;
90 ssize_t write(const void *buffer, size_t bufSize) override;
91 off_t seek(off_t offset, int whence) override;
92 void release() override;
93
94private:
95 const std::shared_ptr<QIODevice> mIO;
96 bool mErrorOccurred : 1;
97 bool mHaveQProcess : 1;
98};
99
100} // namespace QGpgME
101
102#endif
Definition dataprovider.h:46
Definition dataprovider.h:75