Function GetSettingsList

src/common/settings.cpp:211–254

}

std::vector<SettingsValue> GetSettingsList(const Settings& settings,
    const std::string& section,
    const std::string& name,
    bool ignore_default_section_config)
{
    std::vector<SettingsValue> result;
    bool done = false; // Done merging any more settings sources.
    bool prev_negated_empty = false;
    MergeSettings(settings, section, name, [&](SettingsSpan span, Source source) {
        // Weird behavior preserved for backwards compatibility: Apply config
        // file settings even if negated on command line. Negating a setting on
        // command line will ignore earlier settings on the command line and
        // ignore settings in the config file, unless the negated command line
        // value is followed by non-negated value, in which case config file
        // settings will be brought back from the dead (but earlier command
        // line settings will still be ignored).
        const bool add_zombie_config_values =
            (source == Source::CONFIG_FILE_NETWORK_SECTION || source == Source::CONFIG_FILE_DEFAULT_SECTION) &&
            !prev_negated_empty;

        // Ignore settings in default config section if requested.
        if (ignore_default_section_config && source == Source::CONFIG_FILE_DEFAULT_SECTION) return;

        // Add new settings to the result if isn't already complete, or if the
        // values are zombies.
        if (!done || add_zombie_config_values) {
            for (const auto& value : span) {
                if (value.isArray()) {
                    result.insert(result.end(), value.getValues().begin(), value.getValues().end());
                } else {
                    result.push_back(value);
                }
            }
        }

        // If a setting was negated, or if a setting was forced, set
        // done to true to ignore any later lower priority settings.
        done |= span.negated() > 0 || source == Source::FORCED;

        // Update the negated and empty state used for the zombie values check.
        prev_negated_empty |= span.last_negated() && result.empty();
    });
    return result;
}

bool OnlyHasDefaultSectionSetting(const Settings& settings, const std::string& section, const std::string& name)
{