| 13 | namespace bp = boost::parser; |
| 14 | |
| 15 | int main() |
| 16 | { |
| 17 | std::cout << "Enter a string followed by two unsigned integers. "; |
| 18 | std::string input; |
| 19 | std::getline(std::cin, input); |
| 20 | |
| 21 | //[ parsing_into_a_class_str |
| 22 | constexpr auto string_uint_uint = |
| 23 | bp::lexeme[+(bp::char_ - ' ')] >> bp::uint_ >> bp::uint_; |
| 24 | std::string string_from_parse; |
| 25 | if (parse(input, string_uint_uint, bp::ws, string_from_parse)) |
| 26 | std::cout << "That yields this string: " << string_from_parse << "\n"; |
| 27 | else |
| 28 | std::cout << "Parse failure.\n"; |
| 29 | //] |
| 30 | |
| 31 | std::cout << "Enter an unsigned integer followed by a string. "; |
| 32 | std::getline(std::cin, input); |
| 33 | std::cout << input << "\n"; |
| 34 | |
| 35 | //[ parsing_into_a_class_vec_of_strs |
| 36 | constexpr auto uint_string = bp::uint_ >> +bp::char_; |
| 37 | std::vector<std::string> vector_from_parse; |
| 38 | if (parse(input, uint_string, bp::ws, vector_from_parse)) { |
| 39 | std::cout << "That yields this vector of strings:\n"; |
| 40 | for (auto && str : vector_from_parse) { |
| 41 | std::cout << " '" << str << "'\n"; |
| 42 | } |
| 43 | } else { |
| 44 | std::cout << "Parse failure.\n"; |
| 45 | } |
| 46 | //] |
| 47 | } |
| 48 | //] |