Method languagesForUrl

kdevplatform/shell/languagecontroller.cpp:323–350

}

QList<ILanguageSupport*> LanguageController::languagesForUrl(const QUrl &url)
{
    if (url.isEmpty()) {
        // The URL of an unsaved document is empty.
        // The code below cannot find a language for an empty URL.
        return {};
    }

    Q_D(LanguageController);

    QMutexLocker lock(&d->dataMutex);

    if(d->m_cleanedUp)
        return {};

    ///non-crashy part: Use the mime-types of known languages
    auto languages = d->mimeTypeCache.languagesForFileName(url.fileName());

    //Never use findByUrl from within a background thread, and never load a language support
    //from within the background thread. Both are unsafe, and can lead to crashes.
    if(!languages.isEmpty() || QThread::currentThread() != thread())
        return languages;

    const auto mimeType = QMimeDatabase().mimeTypeForUrl(url);
    languages = languagesForMimetype(mimeType.name());

    return languages;
}

QList<ILanguageSupport*> LanguageController::languagesForMimetype(const QString& mimetype)
{