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2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtCore module of the Qt Toolkit. |
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8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
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25 | ** In addition, as a special exception, Digia gives you certain additional |
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27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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36 | ** |
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38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QBUFFER_H |
43 | #define QBUFFER_H |
44 | |
45 | #include <QtCore/qiodevice.h> |
46 | #include <QtCore/qbytearray.h> |
47 | |
48 | QT_BEGIN_HEADER |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | QT_MODULE(Core) |
53 | |
54 | class QObject; |
55 | class QBufferPrivate; |
56 | |
57 | class Q_CORE_EXPORT QBuffer : public QIODevice |
58 | { |
59 | #ifndef QT_NO_QOBJECT |
60 | Q_OBJECT |
61 | #endif |
62 | |
63 | public: |
64 | #ifndef QT_NO_QOBJECT |
65 | explicit QBuffer(QObject *parent = 0); |
66 | QBuffer(QByteArray *buf, QObject *parent = 0); |
67 | #else |
68 | QBuffer(); |
69 | explicit QBuffer(QByteArray *buf); |
70 | #endif |
71 | ~QBuffer(); |
72 | |
73 | QByteArray &buffer(); |
74 | const QByteArray &buffer() const; |
75 | void setBuffer(QByteArray *a); |
76 | |
77 | void setData(const QByteArray &data); |
78 | inline void setData(const char *data, int len); |
79 | const QByteArray &data() const; |
80 | |
81 | bool open(OpenMode openMode); |
82 | |
83 | void close(); |
84 | qint64 size() const; |
85 | qint64 pos() const; |
86 | bool seek(qint64 off); |
87 | bool atEnd() const; |
88 | bool canReadLine() const; |
89 | |
90 | protected: |
91 | #ifndef QT_NO_QOBJECT |
92 | void connectNotify(const char*); |
93 | void disconnectNotify(const char*); |
94 | #endif |
95 | qint64 readData(char *data, qint64 maxlen); |
96 | qint64 writeData(const char *data, qint64 len); |
97 | |
98 | private: |
99 | Q_DECLARE_PRIVATE(QBuffer) |
100 | Q_DISABLE_COPY(QBuffer) |
101 | |
102 | Q_PRIVATE_SLOT(d_func(), void _q_emitSignals()) |
103 | }; |
104 | |
105 | inline void QBuffer::setData(const char *adata, int alen) |
106 | { setData(QByteArray(adata, alen)); } |
107 | |
108 | QT_END_NAMESPACE |
109 | |
110 | QT_END_HEADER |
111 | |
112 | #endif // QBUFFER_H |
113 | |