QDirSortItemComparator Class Reference

Public Functions
bool	operator() (const QDirSortItem &, const QDirSortItem &)
	QDirSortItemComparator (int flags)

Properties
int	qt_cmp_si_sort_flags

Detailed Description

Definition at line 223 of file qdir.cpp.

Constructors and Destructors

QDirSortItemComparator()

QDirSortItemComparator::QDirSortItemComparator ( int  flags )

inline

Definition at line 227 of file qdir.cpp.

: qt_cmp_si_sort_flags(flags) {}

Functions

operator()()

bool QDirSortItemComparator::operator()	(	const QDirSortItem &	n1,
		const QDirSortItem &	n2
	)

Definition at line 231 of file qdir.cpp.

{
    const QDirSortItem* f1 = &n1;
    const QDirSortItem* f2 = &n2;

    if ((qt_cmp_si_sort_flags & QDir::DirsFirst) && (f1->item.isDir() != f2->item.isDir()))
        return f1->item.isDir();
    if ((qt_cmp_si_sort_flags & QDir::DirsLast) && (f1->item.isDir() != f2->item.isDir()))
        return !f1->item.isDir();

    int r = 0;
    int sortBy = (qt_cmp_si_sort_flags & QDir::SortByMask)
                 | (qt_cmp_si_sort_flags & QDir::Type);

    switch (sortBy) {
      case QDir::Time:
        r = f1->item.lastModified().secsTo(f2->item.lastModified());
        break;
      case QDir::Size:
          r = int(qBound<qint64>(-1, f2->item.size() - f1->item.size(), 1));
        break;
      case QDir::Type:
      {
        bool ic = qt_cmp_si_sort_flags & QDir::IgnoreCase;

        if (f1->suffix_cache.isNull())
            f1->suffix_cache = ic ? f1->item.suffix().toLower()
                               : f1->item.suffix();
        if (f2->suffix_cache.isNull())
            f2->suffix_cache = ic ? f2->item.suffix().toLower()
                               : f2->item.suffix();

        r = qt_cmp_si_sort_flags & QDir::LocaleAware
            ? f1->suffix_cache.localeAwareCompare(f2->suffix_cache)
            : f1->suffix_cache.compare(f2->suffix_cache);
      }
        break;
      default:
        ;
    }

    if (r == 0 && sortBy != QDir::Unsorted) {
        // Still not sorted - sort by name
        bool ic = qt_cmp_si_sort_flags & QDir::IgnoreCase;

        if (f1->filename_cache.isNull())
            f1->filename_cache = ic ? f1->item.fileName().toLower()
                                    : f1->item.fileName();
        if (f2->filename_cache.isNull())
            f2->filename_cache = ic ? f2->item.fileName().toLower()
                                    : f2->item.fileName();

        r = qt_cmp_si_sort_flags & QDir::LocaleAware
            ? f1->filename_cache.localeAwareCompare(f2->filename_cache)
            : f1->filename_cache.compare(f2->filename_cache);
    }
    if (r == 0) // Enforce an order - the order the items appear in the array
        r = (&n1) - (&n2);
    if (qt_cmp_si_sort_flags & QDir::Reversed)
        return r > 0;
    return r < 0;
}

Properties

qt_cmp_si_sort_flags

int QDirSortItemComparator::qt_cmp_si_sort_flags

private

Definition at line 225 of file qdir.cpp.

---

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

• /src/corelib/io/qdir.cpp