gmio/src/support/qt_stream.cpp
2014-01-21 16:19:27 +01:00

53 lines
1.7 KiB
C++

#include "qt_stream.h"
#include <QtCore/QFile>
#include <QtCore/QIODevice>
static foug_bool_t foug_stream_qiodevice_at_end(foug_stream_t* stream)
{
return static_cast<QIODevice*>(stream->cookie)->atEnd();
}
static int32_t foug_stream_qiodevice_error(foug_stream_t* stream)
{
const QIODevice* device = static_cast<QIODevice*>(stream->cookie);
const QFile* file = dynamic_cast<const QFile*>(device);
if (file != NULL) {
return file->error();
}
else {
const QString err_str = static_cast<QIODevice*>(stream->cookie)->errorString();
return !err_str.isEmpty() ? 1 : 0;
}
return 0;
}
static size_t foug_stream_qiodevice_read(foug_stream_t* stream,
void* ptr,
size_t item_size,
size_t item_count)
{
QIODevice* device = static_cast<QIODevice*>(stream->cookie);
const qint64 c = device->read(static_cast<char*>(ptr), item_size * item_count);
return c / item_size;
}
static size_t foug_stream_qiodevice_write(foug_stream_t* stream,
const void* ptr,
size_t item_size,
size_t item_count)
{
QIODevice* device = static_cast<QIODevice*>(stream->cookie);
const qint64 c = device->write(static_cast<const char*>(ptr), item_size * item_count);
return c / item_size;
}
void foug_stream_set_qiodevice(foug_stream_t* stream, QIODevice* device)
{
stream->cookie = device;
stream->at_end_func = foug_stream_qiodevice_at_end;
stream->error_func = foug_stream_qiodevice_error;
stream->read_func = foug_stream_qiodevice_read;
stream->write_func = foug_stream_qiodevice_write;
}