| 1 | /* |
| 2 | * MetaParser.hpp |
| 3 | * |
| 4 | * Created on: Mar 3, 2019 |
| 5 | * Author: i-bird |
| 6 | */ |
| 7 | |
| 8 | #ifndef METAPARSER_HPP_ |
| 9 | #define METAPARSER_HPP_ |
| 10 | |
| 11 | #include <algorithm> |
| 12 | #include <iostream> |
| 13 | #include <iterator> |
| 14 | #include <string> |
| 15 | #include <vector> |
| 16 | |
| 17 | #include <boost/bind/bind.hpp> |
| 18 | #include <boost/program_options.hpp> |
| 19 | #include <boost/tokenizer.hpp> |
| 20 | |
| 21 | typedef boost::program_options::options_description MetaParser_options; |
| 22 | namespace MetaParser_def = boost::program_options; |
| 23 | |
| 24 | class MetaParser |
| 25 | { |
| 26 | boost::program_options::options_description desc; |
| 27 | |
| 28 | boost::program_options::variables_map vm; |
| 29 | |
| 30 | public: |
| 31 | |
| 32 | explicit MetaParser(boost::program_options::options_description & desc) |
| 33 | :desc(desc) |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | /*! \brief Parse the string of options |
| 38 | * |
| 39 | * \param string of options |
| 40 | * |
| 41 | */ |
| 42 | bool parse(std::string & opts) |
| 43 | { |
| 44 | std::istringstream iss(opts); |
| 45 | |
| 46 | // Parse mocked up input. |
| 47 | boost::program_options::store(boost::program_options::parse_config_file(iss,desc), vm); |
| 48 | boost::program_options::notify(vm); |
| 49 | |
| 50 | return true; |
| 51 | } |
| 52 | |
| 53 | /*! \brief Return the option opt in value |
| 54 | * |
| 55 | * \param opt option to check |
| 56 | * \param value where to store the value of the option |
| 57 | * |
| 58 | * \return true if the option has been set |
| 59 | * |
| 60 | */ |
| 61 | template<typename T> |
| 62 | bool getOption(std::string opt,T & value) |
| 63 | { |
| 64 | if (vm.count(opt)) |
| 65 | { |
| 66 | value = vm[opt].as<T>(); |
| 67 | return true; |
| 68 | } |
| 69 | |
| 70 | return false; |
| 71 | } |
| 72 | |
| 73 | /*! \brief clear everything you parsed so far |
| 74 | * |
| 75 | * |
| 76 | */ |
| 77 | void clear() |
| 78 | { |
| 79 | vm.clear(); |
| 80 | } |
| 81 | }; |
| 82 | |
| 83 | |
| 84 | #endif /* METAPARSER_HPP_ */ |
| 85 | |