Function parseRegexParam

plugins/debug.cpp:511–528

\brief Helper to parse optional regex string safely

//! \brief Helper to parse optional regex string safely
static command_result parseRegexParam(std::regex& target,
        color_ostream& out,
        std::vector<std::string>& parameters,
        size_t pos)
{
    if (parameters.size() <= pos)
        return CR_OK;
    try {
        std::regex temp{parameters[pos], defaultRegex};
        target = std::move(temp);
    } catch(std::regex_error & e) {
        ERR(command,out) << "Failed to parse regular expression '"
            << parameters[pos] << "'\n";
        ERR(command,out) << "Parser message: " <<  e.what() << std::endl;
        return CR_WRONG_USAGE;
    }
    return CR_OK;
}

/*!
 * "Algorithm" to apply category filters based on optional regex parameters.