Class FormatterData

kdevplatform/shell/sourceformatterselectionedit.cpp:74–211

* This class encapsulates an ISourceFormatter and its styles. * * The class is non-copyable and non-movable to ensure that references to it are never invalidated. */

 * The class is non-copyable and non-movable to ensure that references to it are never invalidated.
 */
class FormatterData
{
    Q_DISABLE_COPY_MOVE(FormatterData)
public:
    explicit FormatterData(const ISourceFormatter& formatter, StyleMap&& styles)
        : m_formatter{formatter}
        , m_name{m_formatter.name()}
        , m_styles{std::move(styles)}
    {
    }

    const QString& name() const
    {
        return m_name;
    }
    const ISourceFormatter& formatter() const
    {
        return m_formatter;
    }

    SourceFormatterStyle* findStyle(QStringView styleName)
    {
        const auto it = m_styles.find(styleName);
        return it == m_styles.end() ? nullptr : &it->second;
    }

    template<typename StyleUser>
    void forEachStyle(StyleUser callback)
    {
        for (auto it = m_styles.begin(), end = m_styles.end(); it != end; ++it) {
            callback(it->second);
        }
    }

    template<typename ConstStyleUser>
    void forEachUserDefinedStyle(ConstStyleUser callback) const
    {
        for (auto it = m_userStyleRange.first(m_styles); it != m_userStyleRange.last(); ++it) {
            Q_ASSERT(it->first.startsWith(userStyleNamePrefix));
            callback(it->second);
        }
    }

    template<typename StyleAndCategoryUser>
    void forEachSupportingStyleInUiOrder(const QString& supportedLanguageName, StyleAndCategoryUser callback);

    void assertExistingStyle(const SourceFormatterStyle& style)
    {
        Q_ASSERT(findStyle(style.name()) == &style);
    }

    void assertNullOrExistingStyle(const SourceFormatterStyle* style)
    {
        Q_ASSERT(!style || findStyle(style->name()) == style);
    }

    void removeStyle(const SourceFormatterStyle& style)
    {