bool parseIntOption()

in Doctest_tests/doctest.h [5478:5510]

• 27 lines of code
• 7 McCabe index (conditional complexity)

    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 == 0) {
            // 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;
                }
            }
        } else {
            // 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()); // NOLINT
            if(theInt != 0) {
                res = theInt; //!OCLINT parameter reassignment
                return true;
            }
        }
        return false;
    }