Function documentDirAndFilename

kdevplatform/sublime/container.cpp:44–60

* @return the last two segments of @p document's path or an empty string in case of failure. */

 * @return the last two segments of @p document's path or an empty string in case of failure.
 */
QString documentDirAndFilename(const Sublime::Document* document)
{
    auto* const urlDocument = qobject_cast<const Sublime::UrlDocument*>(document);
    if (!urlDocument) {
        return QString{};
    }
    const auto path = urlDocument->url().path();

    const auto lastSlashIndex = path.lastIndexOf(QLatin1Char{'/'});
    if (lastSlashIndex <= 0) {
        return path; // either no slash in path or a single slash is the first symbol of path
    }

    const auto penultimateSlashIndex = path.lastIndexOf(QLatin1Char{'/'}, lastSlashIndex - 1);
    // If there is only one slash in the path, penultimateSlashIndex equals -1 and we correctly return the whole path.
    return path.mid(penultimateSlashIndex + 1);
}

struct ActionInsertionPoint
{