Utils::IO::FileDeviceOutputIterator Class Reference

#include <io.h>

Public Types
using	iterator_category = std::output_iterator_tag
using	difference_type = void
using	value_type = void
using	pointer = void
using	reference = void

Public Member Functions
	FileDeviceOutputIterator (QFileDevice &device, const int bufferSize=(4 *1024))
	FileDeviceOutputIterator (const FileDeviceOutputIterator &other)=default
	~FileDeviceOutputIterator ()
FileDeviceOutputIterator &	operator= (char c)
constexpr FileDeviceOutputIterator &	operator* ()
constexpr FileDeviceOutputIterator &	operator++ ()
constexpr FileDeviceOutputIterator &	operator++ (int)

Private Attributes
QFileDevice *	m_device
std::shared_ptr< QByteArray >	m_buffer
int	m_bufferSize

Detailed Description

Definition at line 45 of file io.h.

Member Typedef Documentation

difference_type

using Utils::IO::FileDeviceOutputIterator::difference_type = void

Definition at line 50 of file io.h.

iterator_category

using Utils::IO::FileDeviceOutputIterator::iterator_category = std::output_iterator_tag

Definition at line 49 of file io.h.

pointer

using Utils::IO::FileDeviceOutputIterator::pointer = void

Definition at line 52 of file io.h.

reference

using Utils::IO::FileDeviceOutputIterator::reference = void

Definition at line 53 of file io.h.

value_type

using Utils::IO::FileDeviceOutputIterator::value_type = void

Definition at line 51 of file io.h.

Constructor & Destructor Documentation

FileDeviceOutputIterator() [1/2]

Utils::IO::FileDeviceOutputIterator::FileDeviceOutputIterator ( QFileDevice &  device, const int  bufferSize = (4 * 1024)  )

explicit

Definition at line 39 of file io.cpp.

    : m_device {&device}
    , m_buffer {std::make_shared<QByteArray>()}
    , m_bufferSize {bufferSize}
{
    m_buffer->reserve(bufferSize);
}

References m_buffer.

FileDeviceOutputIterator() [2/2]

Utils::IO::FileDeviceOutputIterator::FileDeviceOutputIterator ( const FileDeviceOutputIterator &  other )

default

~FileDeviceOutputIterator()

Utils::IO::FileDeviceOutputIterator::~FileDeviceOutputIterator

(

)

Definition at line 47 of file io.cpp.

{
    if (m_buffer.use_count() == 1)
    {
        if (m_device->error() == QFileDevice::NoError)
            m_device->write(*m_buffer);
        m_buffer->clear();
    }
}

Member Function Documentation

operator*()

constexpr FileDeviceOutputIterator& Utils::IO::FileDeviceOutputIterator::operator* ( )

inlineconstexpr

Definition at line 62 of file io.h.

        {
            return *this;
        }

operator++() [1/2]

constexpr FileDeviceOutputIterator& Utils::IO::FileDeviceOutputIterator::operator++ ( )

inlineconstexpr

Definition at line 67 of file io.h.

        {
            return *this;
        }

operator++() [2/2]

constexpr FileDeviceOutputIterator& Utils::IO::FileDeviceOutputIterator::operator++ ( int  )

inlineconstexpr

Definition at line 72 of file io.h.

        {
            return *this;
        }

operator=()

Utils::IO::FileDeviceOutputIterator & Utils::IO::FileDeviceOutputIterator::operator=

(

char

c

)

Definition at line 57 of file io.cpp.

{
    m_buffer->append(c);
    if (m_buffer->size() >= m_bufferSize)
    {
        if (m_device->error() == QFileDevice::NoError)
            m_device->write(*m_buffer);
        m_buffer->clear();
    }
    return *this;
}

Member Data Documentation

m_buffer

std::shared_ptr<QByteArray> Utils::IO::FileDeviceOutputIterator::m_buffer

private

Definition at line 79 of file io.h.

Referenced by FileDeviceOutputIterator().

m_bufferSize

int Utils::IO::FileDeviceOutputIterator::m_bufferSize

private

Definition at line 80 of file io.h.

m_device

QFileDevice* Utils::IO::FileDeviceOutputIterator::m_device

private

Definition at line 78 of file io.h.

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

• src/base/utils/io.h
• src/base/utils/io.cpp