Exemplos de QFSFileEngine em C++ (Cpp)

Exemplo n.º 1

Arquivo: qfile.cpp Projeto: GodFox/qtopia-ezx

bool
QFilePrivate::openExternalFile(int flags, int fd)
{
    delete fileEngine;
    QFSFileEngine *fe = new QFSFileEngine;
    fe->setFileName(fileName);
    fileEngine = fe;
    return fe->open(QIODevice::OpenMode(flags), fd);
}

Exemplo n.º 2

Arquivo: qfile.cpp Projeto: FilipBE/qtextended

bool
QFilePrivate::openExternalFile(int flags, int fd)
{
#ifdef QT_NO_FSFILEENGINE
    Q_UNUSED(flags);
    Q_UNUSED(fd);
    return false;
#else
    delete fileEngine;
    QFSFileEngine *fe = new QFSFileEngine;
    fe->setFileName(fileName);
    fileEngine = fe;
    return fe->open(QIODevice::OpenMode(flags), fd);
#endif
}

Exemplo n.º 3

Arquivo: qfile.cpp Projeto: fluxer/katie

bool
QFilePrivate::openExternalFile(int flags, FILE *fh, QFile::FileHandleFlags handleFlags)
{
#ifdef QT_NO_FSFILEENGINE
    Q_UNUSED(flags);
    Q_UNUSED(fh);
    return false;
#else
    delete fileEngine;
    fileEngine = 0;
    QFSFileEngine *fe = new QFSFileEngine;
    fileEngine = fe;
    return fe->open(QIODevice::OpenMode(flags), fh, handleFlags);
#endif
}

Exemplo n.º 4

Arquivo: qfsfileengine_win.cpp Projeto: 2gis/2gisqt5android

/*
    \internal
*/
qint64 QFSFileEnginePrivate::nativeSize() const
{
    Q_Q(const QFSFileEngine);
    QFSFileEngine *thatQ = const_cast<QFSFileEngine *>(q);

    // ### Don't flush; for buffered files, we should get away with ftell.
    thatQ->flush();

    // Always retrive the current information
    metaData.clearFlags(QFileSystemMetaData::SizeAttribute);
#if defined(Q_OS_WINCE)
    // Buffered stdlib mode.
    if (fh) {
        QT_OFF_T oldPos = QT_FTELL(fh);
        QT_FSEEK(fh, 0, SEEK_END);
        qint64 fileSize = (qint64)QT_FTELL(fh);
        QT_FSEEK(fh, oldPos, SEEK_SET);
        if (fileSize == -1) {
            fileSize = 0;
            thatQ->setError(QFile::UnspecifiedError, qt_error_string(errno));
        }
        return fileSize;
    }
    if (fd != -1) {
        thatQ->setError(QFile::UnspecifiedError, QLatin1String("Not implemented!"));
        return 0;
    }
#endif
    bool filled = false;
    if (fileHandle != INVALID_HANDLE_VALUE && openMode != QIODevice::NotOpen )
        filled = QFileSystemEngine::fillMetaData(fileHandle, metaData,
                                                 QFileSystemMetaData::SizeAttribute);
    else
        filled = doStat(QFileSystemMetaData::SizeAttribute);

    if (!filled) {
        thatQ->setError(QFile::UnspecifiedError, qt_error_string(errno));
        return 0;
    }
    return metaData.size();
}

Exemplo n.º 5

Arquivo: qfsfileengine_win.cpp Projeto: 2gis/2gisqt5android

/*
    \internal
*/
qint64 QFSFileEnginePrivate::nativePos() const
{
    Q_Q(const QFSFileEngine);
    QFSFileEngine *thatQ = const_cast<QFSFileEngine *>(q);

    if (fh || fd != -1) {
        // stdlib / stido mode.
        return posFdFh();
    }

    // Windows native mode.
    if (fileHandle == INVALID_HANDLE_VALUE)
        return 0;

#if !defined(Q_OS_WINCE)
    LARGE_INTEGER currentFilePos;
    LARGE_INTEGER offset;
    offset.QuadPart = 0;
    if (!::SetFilePointerEx(fileHandle, offset, &currentFilePos, FILE_CURRENT)) {
        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
        return 0;
    }

    return qint64(currentFilePos.QuadPart);
#else
    LARGE_INTEGER filepos;
    filepos.HighPart = 0;
    DWORD newFilePointer = SetFilePointer(fileHandle, 0, &filepos.HighPart, FILE_CURRENT);
    if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) {
        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
        return 0;
    }

    filepos.LowPart = newFilePointer;
    return filepos.QuadPart;
#endif
}