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C++ QFileSystemEntry::isRoot方法代码示例

本文整理汇总了C++中QFileSystemEntry::isRoot方法的典型用法代码示例。如果您正苦于以下问题：C++ QFileSystemEntry::isRoot方法的具体用法？C++ QFileSystemEntry::isRoot怎么用？C++ QFileSystemEntry::isRoot使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QFileSystemEntry的用法示例。


在下文中一共展示了QFileSystemEntry::isRoot方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: defaultCtor

void tst_QFileSystemEntry::defaultCtor()
{
    QFileSystemEntry entry;

    QVERIFY(entry.filePath().isNull());
    QVERIFY(entry.nativeFilePath().isNull());

    QVERIFY(entry.fileName().isNull());
    QCOMPARE(entry.path(), QString("."));

    QVERIFY(entry.baseName().isNull());
    QVERIFY(entry.completeBaseName().isNull());
    QVERIFY(entry.suffix().isNull());
    QVERIFY(entry.completeSuffix().isNull());

    QVERIFY(!entry.isAbsolute());
    QVERIFY(entry.isRelative());

    QVERIFY(entry.isClean());

#if defined(Q_OS_WIN)
    QVERIFY(!entry.isDriveRoot());
#endif
    QVERIFY(!entry.isRoot());

    QVERIFY(entry.isEmpty());
}
开发者ID:CodeDJ，项目名称:qt5-hidpi，代码行数:27，代码来源:tst_qfilesystementry.cpp

示例2: canonicalName

//static
QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, QFileSystemMetaData &data)
{
    if (entry.isEmpty() || entry.isRoot())
        return entry;

#if !defined(Q_OS_MAC) && _POSIX_VERSION < 200809L
    // realpath(X,0) is not supported
    Q_UNUSED(data);
    return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
#else
    char *ret = 0;
# if defined(Q_OS_MAC)
#  if !defined(QT_NO_CORESERVICES)
    // Mac OS X 10.5.x doesn't support the realpath(X,0) extension we use here.
    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) {
        ret = realpath(entry.nativeFilePath().constData(), (char*)0);
    } else {
        // on 10.5 we can use FSRef to resolve the file path.
        QString path = QDir::cleanPath(entry.filePath());
        FSRef fsref;
        if (FSPathMakeRef((const UInt8 *)path.toUtf8().data(), &fsref, 0) == noErr) {
            CFURLRef urlref = CFURLCreateFromFSRef(NULL, &fsref);
            CFStringRef canonicalPath = CFURLCopyFileSystemPath(urlref, kCFURLPOSIXPathStyle);
            QString ret = QCFString::toQString(canonicalPath);
            CFRelease(canonicalPath);
            CFRelease(urlref);
            return QFileSystemEntry(ret);
        }
    }
#  else
    ret = (char*)malloc(PATH_MAX);
    realpath(entry.nativeFilePath().constData(), (char*)ret);
#  endif //!defined(QT_NO_CORESERVICES)
#  else
#ifdef Q_OS_ANDROID
    ret = (char*)malloc(PATH_MAX);
    memset(ret, 0, PATH_MAX);
    ret = realpath(entry.nativeFilePath().constData(), ret);
#else
    ret = realpath(entry.nativeFilePath().constData(), (char*)0);
#endif
    ret = realpath(entry.nativeFilePath().constData(), (char*)0);
# endif //defined(Q_OS_MAC)
    if (ret) {
        data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
        data.entryFlags |= QFileSystemMetaData::ExistsAttribute;
        QString canonicalPath = QDir::cleanPath(QString::fromLocal8Bit(ret));
        free(ret);
        return QFileSystemEntry(canonicalPath);
    } else if (errno == ENOENT) { // file doesn't exist
        data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
        data.entryFlags &= ~(QFileSystemMetaData::ExistsAttribute);
        return QFileSystemEntry();
    }
    return entry;
#endif
}
开发者ID:KDE，项目名称:android-qt，代码行数:58，代码来源:qfilesystemengine_unix.cpp

示例3: canonicalName

//static
QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, QFileSystemMetaData &data)
{
    if (entry.isEmpty() || entry.isRoot())
        return entry;

    QFileSystemEntry result = absoluteName(entry);
    if (!data.hasFlags(QFileSystemMetaData::ExistsAttribute))
        fillMetaData(result, data, QFileSystemMetaData::ExistsAttribute);
    if (!data.exists()) {
        // file doesn't exist
        return QFileSystemEntry();
    } else {
        return result;
    }
}
开发者ID:AlekSi，项目名称:phantomjs，代码行数:16，代码来源:qfilesystemengine_symbian.cpp

示例4: canonicalName

//static
QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, QFileSystemMetaData &data)
{
    if (entry.isEmpty() || entry.isRoot())
        return entry;

#if !defined(Q_OS_MAC) && !defined(Q_OS_QNX) && !defined(Q_OS_ANDROID) && _POSIX_VERSION < 200809L
    // realpath(X,0) is not supported
    Q_UNUSED(data);
    return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
#else
    char *ret = 0;
# if defined(Q_OS_MACX)
    // When using -mmacosx-version-min=10.4, we get the legacy realpath implementation,
    // which does not work properly with the realpath(X,0) form. See QTBUG-28282.
    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) {
        ret = (char*)malloc(PATH_MAX + 1);
        if (ret && realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) {
            const int savedErrno = errno; // errno is checked below, and free() might change it
            free(ret);
            errno = savedErrno;
            ret = 0;
        }
    } else {
        // on 10.5 we can use FSRef to resolve the file path.
        QString path = QDir::cleanPath(entry.filePath());
        FSRef fsref;
        if (FSPathMakeRef((const UInt8 *)path.toUtf8().data(), &fsref, 0) == noErr) {
            CFURLRef urlref = CFURLCreateFromFSRef(NULL, &fsref);
            CFStringRef canonicalPath = CFURLCopyFileSystemPath(urlref, kCFURLPOSIXPathStyle);
            QString ret = QCFString::toQString(canonicalPath);
            CFRelease(canonicalPath);
            CFRelease(urlref);
            return QFileSystemEntry(ret);
        }
    }
# else
#  if _POSIX_VERSION >= 200801L
    ret = realpath(entry.nativeFilePath().constData(), (char*)0);
#  else
    ret = (char*)malloc(PATH_MAX + 1);
    if (realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) {
        const int savedErrno = errno; // errno is checked below, and free() might change it
        free(ret);
        errno = savedErrno;
        ret = 0;
    }
#  endif
# endif
    if (ret) {
        data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
        data.entryFlags |= QFileSystemMetaData::ExistsAttribute;
        QString canonicalPath = QDir::cleanPath(QString::fromLocal8Bit(ret));
        free(ret);
        return QFileSystemEntry(canonicalPath);
    } else if (errno == ENOENT) { // file doesn't exist
        data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
        data.entryFlags &= ~(QFileSystemMetaData::ExistsAttribute);
        return QFileSystemEntry();
    }
    return entry;
#endif
}
开发者ID:3163504123，项目名称:phantomjs，代码行数:63，代码来源:qfilesystemengine_unix.cpp

示例5: canonicalName

//static
QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, QFileSystemMetaData &data)
{
    if (entry.isEmpty() || entry.isRoot())
        return entry;

#if !defined(Q_OS_MAC) && !defined(Q_OS_QNX) && !defined(Q_OS_ANDROID) && !defined(Q_OS_HAIKU) && _POSIX_VERSION < 200809L
    // realpath(X,0) is not supported
    Q_UNUSED(data);
    return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
#else
    char *ret = 0;
# if defined(Q_OS_DARWIN)
    ret = (char*)malloc(PATH_MAX + 1);
    if (ret && realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) {
        const int savedErrno = errno; // errno is checked below, and free() might change it
        free(ret);
        errno = savedErrno;
        ret = 0;
    }
# elif defined(Q_OS_ANDROID)
    // On some Android versions, realpath() will return a path even if it does not exist
    // To work around this, we check existence in advance.
    if (!data.hasFlags(QFileSystemMetaData::ExistsAttribute))
        fillMetaData(entry, data, QFileSystemMetaData::ExistsAttribute);

    if (!data.exists()) {
        ret = 0;
        errno = ENOENT;
    } else {
        ret = (char*)malloc(PATH_MAX + 1);
        if (realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) {
            const int savedErrno = errno; // errno is checked below, and free() might change it
            free(ret);
            errno = savedErrno;
            ret = 0;
        }
    }

# else
#  if _POSIX_VERSION >= 200801L
    ret = realpath(entry.nativeFilePath().constData(), (char*)0);
#  else
    ret = (char*)malloc(PATH_MAX + 1);
    if (realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) {
        const int savedErrno = errno; // errno is checked below, and free() might change it
        free(ret);
        errno = savedErrno;
        ret = 0;
    }
#  endif
# endif
    if (ret) {
        data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
        data.entryFlags |= QFileSystemMetaData::ExistsAttribute;
        QString canonicalPath = QDir::cleanPath(QString::fromLocal8Bit(ret));
        free(ret);
        return QFileSystemEntry(canonicalPath);
    } else if (errno == ENOENT) { // file doesn't exist
        data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
        data.entryFlags &= ~(QFileSystemMetaData::ExistsAttribute);
        return QFileSystemEntry();
    }
    return entry;
#endif
}
开发者ID:2gis，项目名称:2gisqt5android，代码行数:66，代码来源:qfilesystemengine_unix.cpp


注：本文中的QFileSystemEntry::isRoot方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。