QNonContiguousByteDeviceFactory Class Reference

Creates a QNonContiguousByteDevice out of a QIODevice, QByteArray etc. More...

#include <qnoncontiguousbytedevice_p.h>

Static Public Functions
static QNonContiguousByteDevice *	create (QIODevice *device)
	Create a QNonContiguousByteDevice out of a QIODevice. More...
static QNonContiguousByteDevice *	create (QByteArray *byteArray)
	Create a QNonContiguousByteDevice out of a QByteArray. More...
static QNonContiguousByteDevice *	create (QSharedPointer< QRingBuffer > ringBuffer)
	Create a QNonContiguousByteDevice out of a QRingBuffer. More...
static QIODevice *	wrap (QNonContiguousByteDevice *byteDevice)
	Wrap the byteDevice (possibly again) into a QIODevice. More...

Detailed Description

Creates a QNonContiguousByteDevice out of a QIODevice, QByteArray etc.

Since

4.6

Attention

Module: QtCore

See also

QNonContiguousByteDevice

Warning

This function is not part of the public interface.

Definition at line 89 of file qnoncontiguousbytedevice_p.h.

Functions

create() [1/3]

QNonContiguousByteDevice * QNonContiguousByteDeviceFactory::create ( QIODevice *  device )

static

Create a QNonContiguousByteDevice out of a QIODevice.

For QFile, QBuffer and all other QIoDevice, sequential or not.

Warning

This function is not part of the public interface.

Definition at line 517 of file qnoncontiguousbytedevice.cpp.

Referenced by QNetworkAccessBackend::createUploadByteDevice().

{
    // shortcut if it is a QBuffer
    if (QBuffer* buffer = qobject_cast<QBuffer*>(device)) {
        return new QNonContiguousByteDeviceBufferImpl(buffer);
    }

    // ### FIXME special case if device is a QFile that supports map()
    // then we can actually deal with the file without using read/peek

    // generic QIODevice
    return new QNonContiguousByteDeviceIoDeviceImpl(device); // FIXME
}

create() [2/3]

QNonContiguousByteDevice * QNonContiguousByteDeviceFactory::create ( QByteArray *  byteArray )

static

Create a QNonContiguousByteDevice out of a QByteArray.

Warning

This function is not part of the public interface.

Definition at line 548 of file qnoncontiguousbytedevice.cpp.

{
    return new QNonContiguousByteDeviceByteArrayImpl(byteArray);
}

create() [3/3]

QNonContiguousByteDevice * QNonContiguousByteDeviceFactory::create ( QSharedPointer< QRingBuffer >  ringBuffer )

static

Create a QNonContiguousByteDevice out of a QRingBuffer.

Warning

This function is not part of the public interface.

Definition at line 536 of file qnoncontiguousbytedevice.cpp.

{
    return new QNonContiguousByteDeviceRingBufferImpl(ringBuffer);
}

wrap()

QIODevice * QNonContiguousByteDeviceFactory::wrap ( QNonContiguousByteDevice *  byteDevice )

static

Wrap the byteDevice (possibly again) into a QIODevice.

Warning

This function is not part of the public interface.

Definition at line 560 of file qnoncontiguousbytedevice.cpp.

Referenced by QNetworkAccessFtpBackend::open().

{
    // ### FIXME if it already has been based on QIoDevice, we could that one out again
    // and save some calling

    // needed for FTP backend

    return new QByteDeviceWrappingIoDevice(byteDevice);
}

---

The documentation for this class was generated from the following files:

• /src/corelib/io/qnoncontiguousbytedevice_p.h
• /src/corelib/io/qnoncontiguousbytedevice.cpp