Function parseIntOption

external/utf8-cpp-utils/test/doctest.h:6555–6587

parses an int/bool option from the command line

    // parses an int/bool option from the command line
    bool parseIntOption(int argc, const char* const* argv, const char* pattern, optionType type,
                        int& res) {
        String parsedValue;
        if(!parseOption(argc, argv, pattern, &parsedValue))
            return false;

        if(type) {
            // integer
            // TODO: change this to use std::stoi or something else! currently it uses undefined behavior - assumes '0' on failed parse...
            int theInt = std::atoi(parsedValue.c_str());
            if (theInt != 0) {
                res = theInt; //!OCLINT parameter reassignment
                return true;
            }
        } else {
            // boolean
            const char positive[][5] = { "1", "true", "on", "yes" };  // 5 - strlen("true") + 1
            const char negative[][6] = { "0", "false", "off", "no" }; // 6 - strlen("false") + 1

            // if the value matches any of the positive/negative possibilities
            for (unsigned i = 0; i < 4; i++) {
                if (parsedValue.compare(positive[i], true) == 0) {
                    res = 1; //!OCLINT parameter reassignment
                    return true;
                }
                if (parsedValue.compare(negative[i], true) == 0) {
                    res = 0; //!OCLINT parameter reassignment
                    return true;
                }
            }
        }
        return false;
    }
} // namespace

Context::Context(int argc, const char* const* argv)