Started work on MsgPackStream

2015-05-02 00:06:35 +03:00
parent 3b0d6e3c31
commit 1ae96715cf
9 changed files with 154 additions and 344 deletions
@@ -0,0 +1,98 @@
+#include "stream.h"
+#include <QBuffer>
+
+#undef  CHECK_STREAM_PRECOND
+#ifndef QT_NO_DEBUG
+#define CHECK_STREAM_PRECOND(retVal) \
+    if (!dev) { \
+        qWarning("msgpack::Stream: No device"); \
+        return retVal; \
+    }
+#else
+#define CHECK_STREAM_PRECOND(retVal) \
+    if (!dev) { \
+        return retVal; \
+    }
+#endif
+
+#define CHECK_STREAM_WRITE_PRECOND(retVal) \
+    CHECK_STREAM_PRECOND(retVal) \
+    if (q_status != Ok) \
+        return retVal;
+
+MsgPackStream::MsgPackStream() :
+    dev(0), compatibility(false), owndev(false), q_status(Ok)
+{ }
+
+MsgPackStream::MsgPackStream(QIODevice *d) :
+    dev(d), compatibility(false), owndev(false)
+{ }
+
+MsgPackStream::MsgPackStream(QByteArray *a, QIODevice::OpenMode mode) :
+    compatibility(false), owndev(true), q_status(Ok)
+{
+    QBuffer *buf = new QBuffer(a);
+    buf->open(mode);
+    dev = buf;
+}
+
+MsgPackStream::MsgPackStream(const QByteArray &a) :
+    compatibility(false), owndev(true), q_status(Ok)
+{
+    QBuffer *buf = new QBuffer();
+    buf->setData(a);
+    buf->open(QIODevice::ReadOnly);
+    dev = buf;
+}
+
+MsgPackStream::~MsgPackStream()
+{
+    if (owndev)
+        delete dev;
+}
+
+void MsgPackStream::setDevice(QIODevice *d)
+{
+    if (owndev)
+        delete dev;
+    dev = d;
+    owndev = false;
+}
+
+bool MsgPackStream::atEnd() const
+{
+    return dev ? dev->atEnd() : true;
+}
+
+void MsgPackStream::setCompatibility(bool isEnabled)
+{
+    compatibility = isEnabled;
+}
+
+MsgPackStream::Status MsgPackStream::status() const
+{
+    return q_status;
+}
+
+void MsgPackStream::resetStatus()
+{
+    q_status = Ok;
+}
+
+void MsgPackStream::setStatus(Status status)
+{
+    q_status = status;
+}
+
+MsgPackStream &MsgPackStream::operator >>(quint8 &u8)
+{
+    u8 = 0;
+    CHECK_STREAM_PRECOND(*this)
+    char c;
+    if (!dev->getChar(&c))
+        setStatus(ReadPastEnd);
+    else
+        u8 = quint8(c);
+    return *this;
+}
+