Method language

kdevplatform/shell/languagecontroller.cpp:279–321

}

ILanguageSupport* LanguageController::language(const QString &name) const
{
    Q_D(const LanguageController);

    QMutexLocker lock(&d->dataMutex);

    if(d->m_cleanedUp)
        return nullptr;

    const auto languageIt = d->languages.constFind(name);
    if (languageIt != d->languages.constEnd())
        return *languageIt;

    // temporary support for deprecated-in-5.1 "X-KDevelop-Language" as fallback
    // remove in later version
    const QString keys[2] = {
        QStringLiteral("X-KDevelop-Languages"),
        QStringLiteral("X-KDevelop-Language")
    };
    QList<IPlugin*> supports;
    for (const auto& key : keys) {
        QVariantMap constraints;
        constraints.insert(key, name);
        supports = Core::self()->pluginController()->allPluginsForExtension(KEY_ILanguageSupport(), constraints);
        if (key == keys[1]) {
            for (auto support : std::as_const(supports)) {
                qCWarning(SHELL) << "Plugin" << Core::self()->pluginController()->pluginInfo(support).name() << " has deprecated (since 5.1) metadata key \"X-KDevelop-Language\", needs porting to: \"X-KDevelop-Languages\": ["<<name<<"]'";
            }
        }
        if (!supports.isEmpty()) {
            break;
        }
    }

    if(!supports.isEmpty()) {
        auto *languageSupport = supports[0]->extension<ILanguageSupport>();
        if(languageSupport) {
            const_cast<LanguageControllerPrivate*>(d)->addLanguageSupport(languageSupport);
            return languageSupport;
        }
    }
    return nullptr;
}

QList<ILanguageSupport*> LanguageController::languagesForUrl(const QUrl &url)
{