Method PrintHelp

library/cpp/getopt/small/modchooser.cpp:298–341

}

void TModChooser::PrintHelp(const TString& progName, bool toStdErr) const {
    auto baseName = TFsPath(progName).Basename();
    auto& out = toStdErr ? Cerr : Cout;
    const auto& colors = toStdErr ? NColorizer::StdErr() : NColorizer::StdOut();
    out << Description << Endl << Endl;
    out << colors.BoldColor() << "Usage" << colors.OldColor() << ": " << baseName << " MODE [MODE_OPTIONS]" << Endl;
    out << Endl;
    out << colors.BoldColor() << "Modes" << colors.OldColor() << ":" << Endl;
    size_t maxModeLen = 0;
    for (const auto& [name, mode] : Modes) {
        if (name != mode->Name)
            continue;  // this is an alias
        maxModeLen = Max(maxModeLen, mode->CalculateFullNameLen());
    }

    if (ShowSeparated) {
        for (const auto& unsortedMode : UnsortedModes)
            if (!unsortedMode->Hidden) {
                if (unsortedMode->Name.size()) {
                    out << "  " << unsortedMode->FormatFullName(maxModeLen + 4, colors) << unsortedMode->Description << Endl;
                } else {
                    out << SeparationString << Endl;
                    out << unsortedMode->Description << Endl;
                }
            }
    } else {
        for (const auto& mode : Modes) {
            if (mode.first != mode.second->Name)
                continue;  // this is an alias

            if (!mode.second->Hidden) {
                out << "  " << mode.second->FormatFullName(maxModeLen + 4, colors) << mode.second->Description << Endl;
            }
        }
    }

    out << Endl;
    out << "To get help for specific mode type '" << baseName << " MODE " << ModesHelpOption << "'" << Endl;
    if (VersionHandler)
        out << "To print program version type '" << baseName << " --version'" << Endl;
    if (!SvnRevisionOptionDisabled) {
        out << "To print svn revision type '" << baseName << " --svnrevision'" << Endl;
    }
}

TVersionHandlerPtr TModChooser::GetVersionHandler() const {
    return VersionHandler;