diff options
Diffstat (limited to 'src/corelib/io/qnoncontiguousbytedevice_p.h')
| -rw-r--r-- | src/corelib/io/qnoncontiguousbytedevice_p.h | 105 |
1 files changed, 38 insertions, 67 deletions
diff --git a/src/corelib/io/qnoncontiguousbytedevice_p.h b/src/corelib/io/qnoncontiguousbytedevice_p.h index bbc4ea5ae2..eb75034c6a 100644 --- a/src/corelib/io/qnoncontiguousbytedevice_p.h +++ b/src/corelib/io/qnoncontiguousbytedevice_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QNONCONTIGUOUSBYTEDEVICE_P_H #define QNONCONTIGUOUSBYTEDEVICE_P_H @@ -55,16 +19,17 @@ #include <QtCore/qbytearray.h> #include <QtCore/qbuffer.h> #include <QtCore/qiodevice.h> -#include <QtCore/QSharedPointer> #include "private/qringbuffer_p.h" +#include <memory> + QT_BEGIN_NAMESPACE class Q_CORE_EXPORT QNonContiguousByteDevice : public QObject { Q_OBJECT public: - virtual const char* readPointer(qint64 maximumLength, qint64 &len) = 0; + virtual const char *readPointer(qint64 maximumLength, qint64 &len) = 0; virtual bool advanceReadPointer(qint64 amount) = 0; virtual bool atEnd() const = 0; virtual qint64 pos() const { return -1; } @@ -76,7 +41,6 @@ public: protected: QNonContiguousByteDevice(); - Q_SIGNALS: void readyRead(); void readProgress(qint64 current, qint64 total); @@ -85,16 +49,16 @@ Q_SIGNALS: class Q_CORE_EXPORT QNonContiguousByteDeviceFactory { public: - static QNonContiguousByteDevice* create(QIODevice *device); - static QSharedPointer<QNonContiguousByteDevice> createShared(QIODevice *device); + static QNonContiguousByteDevice *create(QIODevice *device); + static std::shared_ptr<QNonContiguousByteDevice> createShared(QIODevice *device); - static QNonContiguousByteDevice* create(QByteArray *byteArray); - static QSharedPointer<QNonContiguousByteDevice> createShared(QByteArray *byteArray); + static QNonContiguousByteDevice *create(QByteArray *byteArray); + static std::shared_ptr<QNonContiguousByteDevice> createShared(QByteArray *byteArray); - static QNonContiguousByteDevice* create(QSharedPointer<QRingBuffer> ringBuffer); - static QSharedPointer<QNonContiguousByteDevice> createShared(QSharedPointer<QRingBuffer> ringBuffer); + static QNonContiguousByteDevice *create(std::shared_ptr<QRingBuffer> ringBuffer); + static std::shared_ptr<QNonContiguousByteDevice> createShared(std::shared_ptr<QRingBuffer> ringBuffer); - static QIODevice* wrap(QNonContiguousByteDevice* byteDevice); + static QIODevice *wrap(QNonContiguousByteDevice *byteDevice); }; // the actual implementations @@ -102,52 +66,56 @@ public: class QNonContiguousByteDeviceByteArrayImpl : public QNonContiguousByteDevice { + Q_OBJECT public: - QNonContiguousByteDeviceByteArrayImpl(QByteArray *ba); + explicit QNonContiguousByteDeviceByteArrayImpl(QByteArray *ba); ~QNonContiguousByteDeviceByteArrayImpl(); - const char* readPointer(qint64 maximumLength, qint64 &len) override; + const char *readPointer(qint64 maximumLength, qint64 &len) override; bool advanceReadPointer(qint64 amount) override; bool atEnd() const override; bool reset() override; qint64 size() const override; qint64 pos() const override; + protected: - QByteArray* byteArray; + QByteArray *byteArray; qint64 currentPosition; }; class QNonContiguousByteDeviceRingBufferImpl : public QNonContiguousByteDevice { + Q_OBJECT public: - QNonContiguousByteDeviceRingBufferImpl(QSharedPointer<QRingBuffer> rb); + explicit QNonContiguousByteDeviceRingBufferImpl(std::shared_ptr<QRingBuffer> rb); ~QNonContiguousByteDeviceRingBufferImpl(); - const char* readPointer(qint64 maximumLength, qint64 &len) override; + const char *readPointer(qint64 maximumLength, qint64 &len) override; bool advanceReadPointer(qint64 amount) override; bool atEnd() const override; bool reset() override; qint64 size() const override; qint64 pos() const override; + protected: - QSharedPointer<QRingBuffer> ringBuffer; - qint64 currentPosition; + std::shared_ptr<QRingBuffer> ringBuffer; + qint64 currentPosition = 0; }; - class QNonContiguousByteDeviceIoDeviceImpl : public QNonContiguousByteDevice { Q_OBJECT public: - QNonContiguousByteDeviceIoDeviceImpl(QIODevice *d); + explicit QNonContiguousByteDeviceIoDeviceImpl(QIODevice *d); ~QNonContiguousByteDeviceIoDeviceImpl(); - const char* readPointer(qint64 maximumLength, qint64 &len) override; + const char *readPointer(qint64 maximumLength, qint64 &len) override; bool advanceReadPointer(qint64 amount) override; bool atEnd() const override; bool reset() override; qint64 size() const override; qint64 pos() const override; + protected: - QIODevice* device; - QByteArray* currentReadBuffer; + QIODevice *device; + QByteArray *currentReadBuffer; qint64 currentReadBufferSize; qint64 currentReadBufferAmount; qint64 currentReadBufferPosition; @@ -160,34 +128,37 @@ class QNonContiguousByteDeviceBufferImpl : public QNonContiguousByteDevice { Q_OBJECT public: - QNonContiguousByteDeviceBufferImpl(QBuffer *b); + explicit QNonContiguousByteDeviceBufferImpl(QBuffer *b); ~QNonContiguousByteDeviceBufferImpl(); - const char* readPointer(qint64 maximumLength, qint64 &len) override; + const char *readPointer(qint64 maximumLength, qint64 &len) override; bool advanceReadPointer(qint64 amount) override; bool atEnd() const override; bool reset() override; qint64 size() const override; + protected: - QBuffer* buffer; + QBuffer *buffer; QByteArray byteArray; - QNonContiguousByteDeviceByteArrayImpl* arrayImpl; + QNonContiguousByteDeviceByteArrayImpl *arrayImpl; }; // ... and the reverse thing class QByteDeviceWrappingIoDevice : public QIODevice { + Q_OBJECT public: - QByteDeviceWrappingIoDevice (QNonContiguousByteDevice *bd); - ~QByteDeviceWrappingIoDevice (); + explicit QByteDeviceWrappingIoDevice(QNonContiguousByteDevice *bd); + ~QByteDeviceWrappingIoDevice(); bool isSequential() const override; bool atEnd() const override; bool reset() override; qint64 size() const override; + protected: qint64 readData(char *data, qint64 maxSize) override; qint64 writeData(const char *data, qint64 maxSize) override; - QNonContiguousByteDevice *byteDevice; + QNonContiguousByteDevice *byteDevice; }; QT_END_NAMESPACE |