Function ParseLongOption

src/openrct2/command_line/CommandLine.cpp:367–426

    }

    static bool ParseLongOption(
        const CommandLineOptionDefinition* options, CommandLineArgEnumerator* argEnumerator, const char* argument)
    {
        // Get just the option name
        char optionName[64];
        const char* equalsCh = strchr(argument, '=');
        if (equalsCh != nullptr)
        {
            String::set(optionName, sizeof(optionName), argument, equalsCh - argument);
        }
        else
        {
            String::set(optionName, sizeof(optionName), argument);
        }

        // Find a matching option definition
        const CommandLineOptionDefinition* option = FindOption(options, optionName);
        if (option == nullptr)
        {
            Console::Error::WriteLine("Unknown option: --%s", optionName);
            return false;
        }

        if (equalsCh == nullptr)
        {
            if (option->Type == CMDLINE_TYPE_SWITCH)
            {
                ParseOptionValue(option, nullptr);
            }
            else
            {
                const char* valueString = nullptr;
                if (!argEnumerator->TryPopString(&valueString))
                {
                    Console::Error::WriteLine("Expected value for option: %s", optionName);
                    return false;
                }

                if (!ParseOptionValue(option, valueString))
                {
                    return false;
                }
            }
        }
        else
        {
            if (option->Type == CMDLINE_TYPE_SWITCH)
            {
                Console::Error::WriteLine("Option is a switch: %s", optionName);
                return false;
            }

            if (!ParseOptionValue(option, equalsCh + 1))
            {
                return false;
            }
        }