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39
40 #ifndef QBUFFER_H
41 #define QBUFFER_H
42
43 #include <QtCore/qiodevice.h>
44 #include <QtCore/qbytearray.h>
45
46 QT_BEGIN_NAMESPACE
47
48
49 class QObject;
50 class QBufferPrivate;
51
52 class Q_CORE_EXPORT QBuffer : public QIODevice
53 {
54 #ifndef QT_NO_QOBJECT
55 Q_OBJECT
56 #endif
57
58 public:
59 #ifndef QT_NO_QOBJECT
60 explicit QBuffer(QObject *parent = nullptr);
61 QBuffer(QByteArray *buf, QObject *parent = nullptr);
62 #else
63 QBuffer();
64 explicit QBuffer(QByteArray *buf);
65 #endif
66 ~QBuffer();
67
68 QByteArray &buffer();
69 const QByteArray &buffer() const;
70 void setBuffer(QByteArray *a);
71
72 void setData(const QByteArray &data);
73 inline void setData(const char *data, int len);
74 const QByteArray &data() const;
75
76 bool open(OpenMode openMode) override;
77
78 void close() override;
79 qint64 size() const override;
80 qint64 pos() const override;
81 bool seek(qint64 off) override;
82 bool atEnd() const override;
83 bool canReadLine() const override;
84
85 protected:
86 #ifndef QT_NO_QOBJECT
87 void connectNotify(const QMetaMethod &) override;
88 void disconnectNotify(const QMetaMethod &) override;
89 #endif
90 qint64 readData(char *data, qint64 maxlen) override;
91 qint64 writeData(const char *data, qint64 len) override;
92
93 private:
94 Q_DECLARE_PRIVATE(QBuffer)
95 Q_DISABLE_COPY(QBuffer)
96
97 Q_PRIVATE_SLOT(d_func(), void _q_emitSignals())
98 };
99
setData(const char * adata,int alen)100 inline void QBuffer::setData(const char *adata, int alen)
101 { setData(QByteArray(adata, alen)); }
102
103 QT_END_NAMESPACE
104
105 #endif // QBUFFER_H
106