C++ (Cpp) QFileSystemMetaData::clearFlags Examples

Example #1

File: qfsfileengine_unix.cpp Project: AlekSi/phantomjs

/*!
    \internal

    Returns the stdlib open string corresponding to a QIODevice::OpenMode.
*/
static inline QByteArray openModeToFopenMode(QIODevice::OpenMode flags, const QFileSystemEntry &fileEntry,
        QFileSystemMetaData &metaData)
{
    QByteArray mode;
    if ((flags & QIODevice::ReadOnly) && !(flags & QIODevice::Truncate)) {
        mode = "rb";
        if (flags & QIODevice::WriteOnly) {
            metaData.clearFlags(QFileSystemMetaData::FileType);
            if (!fileEntry.isEmpty()
                    && QFileSystemEngine::fillMetaData(fileEntry, metaData, QFileSystemMetaData::FileType)
                    && metaData.isFile()) {
                mode += '+';
            } else {
                mode = "wb+";
            }
        }
    } else if (flags & QIODevice::WriteOnly) {
        mode = "wb";
        if (flags & QIODevice::ReadOnly)
            mode += '+';
    }
    if (flags & QIODevice::Append) {
        mode = "ab";
        if (flags & QIODevice::ReadOnly)
            mode += '+';
    }

#if defined(__GLIBC__) && (__GLIBC__ * 0x100 + __GLIBC_MINOR__) >= 0x0207
    // must be glibc >= 2.7
    mode += 'e';
#endif

    return mode;
}

Example #2

File: qfilesystemengine_unix.cpp Project: 3163504123/phantomjs

//static
bool QFileSystemEngine::fillMetaData(const QFileSystemEntry &entry, QFileSystemMetaData &data,
        QFileSystemMetaData::MetaDataFlags what)
{
#if defined(Q_OS_MACX)
    if (what & QFileSystemMetaData::BundleType) {
        if (!data.hasFlags(QFileSystemMetaData::DirectoryType))
            what |= QFileSystemMetaData::DirectoryType;
    }
    if (what & QFileSystemMetaData::HiddenAttribute) {
        // Mac OS >= 10.5: st_flags & UF_HIDDEN
        what |= QFileSystemMetaData::PosixStatFlags;
    }
#endif // defined(Q_OS_MACX)

    if (what & QFileSystemMetaData::PosixStatFlags)
        what |= QFileSystemMetaData::PosixStatFlags;

    if (what & QFileSystemMetaData::ExistsAttribute) {
        //  FIXME:  Would other queries being performed provide this bit?
        what |= QFileSystemMetaData::PosixStatFlags;
    }

    data.entryFlags &= ~what;

    const char * nativeFilePath;
    int nativeFilePathLength;
    {
        const QByteArray &path = entry.nativeFilePath();
        nativeFilePath = path.constData();
        nativeFilePathLength = path.size();
        Q_UNUSED(nativeFilePathLength);
    }

    bool entryExists = true; // innocent until proven otherwise

    QT_STATBUF statBuffer;
    bool statBufferValid = false;
    if (what & QFileSystemMetaData::LinkType) {
        if (QT_LSTAT(nativeFilePath, &statBuffer) == 0) {
            if (S_ISLNK(statBuffer.st_mode)) {
                data.entryFlags |= QFileSystemMetaData::LinkType;
            } else {
                statBufferValid = true;
                data.entryFlags &= ~QFileSystemMetaData::PosixStatFlags;
            }
        } else {
            entryExists = false;
        }

        data.knownFlagsMask |= QFileSystemMetaData::LinkType;
    }

    if (statBufferValid || (what & QFileSystemMetaData::PosixStatFlags)) {
        if (entryExists && !statBufferValid)
            statBufferValid = (QT_STAT(nativeFilePath, &statBuffer) == 0);

        if (statBufferValid)
            data.fillFromStatBuf(statBuffer);
        else {
            entryExists = false;
            data.creationTime_ = 0;
            data.modificationTime_ = 0;
            data.accessTime_ = 0;
            data.size_ = 0;
            data.userId_ = (uint) -2;
            data.groupId_ = (uint) -2;
        }

        // reset the mask
        data.knownFlagsMask |= QFileSystemMetaData::PosixStatFlags
            | QFileSystemMetaData::ExistsAttribute;
    }

#if defined(Q_OS_MACX)
    if (what & QFileSystemMetaData::AliasType)
    {
        if (entryExists) {
            FSRef fref;
            if (FSPathMakeRef((const UInt8 *)nativeFilePath, &fref, NULL) == noErr) {
                Boolean isAlias, isFolder;
                if (FSIsAliasFile(&fref, &isAlias, &isFolder) == noErr) {
                    if (isAlias)
                        data.entryFlags |= QFileSystemMetaData::AliasType;
                }
            }
        }
        data.knownFlagsMask |= QFileSystemMetaData::AliasType;
    }
#endif

    if (what & QFileSystemMetaData::UserPermissions) {
        // calculate user permissions

        if (entryExists) {
            if (what & QFileSystemMetaData::UserReadPermission) {
                if (QT_ACCESS(nativeFilePath, R_OK) == 0)
                    data.entryFlags |= QFileSystemMetaData::UserReadPermission;
            }
            if (what & QFileSystemMetaData::UserWritePermission) {
                if (QT_ACCESS(nativeFilePath, W_OK) == 0)
                    data.entryFlags |= QFileSystemMetaData::UserWritePermission;
            }
            if (what & QFileSystemMetaData::UserExecutePermission) {
                if (QT_ACCESS(nativeFilePath, X_OK) == 0)
                    data.entryFlags |= QFileSystemMetaData::UserExecutePermission;
            }
        }
        data.knownFlagsMask |= (what & QFileSystemMetaData::UserPermissions);
    }

    if (what & QFileSystemMetaData::HiddenAttribute
            && !data.isHidden()) {
        QString fileName = entry.fileName();
        if ((fileName.size() > 0 && fileName.at(0) == QLatin1Char('.'))
                || (entryExists && _q_isMacHidden(nativeFilePath)))
            data.entryFlags |= QFileSystemMetaData::HiddenAttribute;
        data.knownFlagsMask |= QFileSystemMetaData::HiddenAttribute;
    }

#if defined(Q_OS_MACX)
    if (what & QFileSystemMetaData::BundleType) {
        if (entryExists && isPackage(data, entry))
            data.entryFlags |= QFileSystemMetaData::BundleType;

        data.knownFlagsMask |= QFileSystemMetaData::BundleType;
    }
#endif
    if (!entryExists) {
        data.clearFlags(what);
        return false;
    }
    return data.hasFlags(what);
}