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author | Egor Tensin <Egor.Tensin@gmail.com> | 2017-06-25 19:27:58 +0300 |
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committer | Egor Tensin <Egor.Tensin@gmail.com> | 2017-06-25 19:27:58 +0300 |
commit | be0973bb367c5644e9ecc57043f2b6aa49a3dcb9 (patch) | |
tree | 061223783abb5ebc98bfc9d115a97ed6bd04c268 /utils/command_line.hpp | |
parent | refactor command-line parameters parsing (diff) | |
download | winapi-debug-be0973bb367c5644e9ecc57043f2b6aa49a3dcb9.tar.gz winapi-debug-be0973bb367c5644e9ecc57043f2b6aa49a3dcb9.zip |
code style
Diffstat (limited to 'utils/command_line.hpp')
-rw-r--r-- | utils/command_line.hpp | 117 |
1 files changed, 57 insertions, 60 deletions
diff --git a/utils/command_line.hpp b/utils/command_line.hpp index 8a5cf93..352c210 100644 --- a/utils/command_line.hpp +++ b/utils/command_line.hpp @@ -15,75 +15,72 @@ #include <ostream> #include <string> -namespace +class SettingsParser { - class SettingsParser +public: + explicit SettingsParser(const std::string& argv0) + : prog_name{extract_filename(argv0)} { - public: - explicit SettingsParser(const std::string& argv0) - : prog_name{extract_filename(argv0)} - { - visible.add_options() - ("help,h", - "show this message and exit"); - } + visible.add_options() + ("help,h", + "show this message and exit"); + } - virtual ~SettingsParser() = default; + virtual ~SettingsParser() = default; - virtual const char* get_short_description() const - { - return "[--option VALUE]..."; - } + virtual const char* get_short_description() const + { + return "[--option VALUE]..."; + } - virtual void parse(int argc, char* argv[]) - { - boost::program_options::options_description all; - all.add(hidden).add(visible); - boost::program_options::variables_map vm; - boost::program_options::store( - boost::program_options::command_line_parser{argc, argv} - .options(all) - .positional(positional) - .run(), - vm); - if (vm.count("help")) - exit_with_usage = true; - else - boost::program_options::notify(vm); - } + virtual void parse(int argc, char* argv[]) + { + boost::program_options::options_description all; + all.add(hidden).add(visible); + boost::program_options::variables_map vm; + boost::program_options::store( + boost::program_options::command_line_parser{argc, argv} + .options(all) + .positional(positional) + .run(), + vm); + if (vm.count("help")) + exit_with_usage = true; + else + boost::program_options::notify(vm); + } - bool exit_with_usage = false; + bool exit_with_usage = false; - void usage() const - { - std::cout << *this; - } + void usage() const + { + std::cout << *this; + } - void usage_error(const std::exception& e) const - { - std::cerr << "usage error: " << e.what() << '\n'; - std::cerr << *this; - } + void usage_error(const std::exception& e) const + { + std::cerr << "usage error: " << e.what() << '\n'; + std::cerr << *this; + } - protected: - boost::program_options::options_description hidden; - boost::program_options::options_description visible; - boost::program_options::positional_options_description positional; +protected: + boost::program_options::options_description hidden; + boost::program_options::options_description visible; + boost::program_options::positional_options_description positional; - private: - static std::string extract_filename(const std::string& path) - { - return boost::filesystem::path{path}.filename().string(); - } +private: + static std::string extract_filename(const std::string& path) + { + return boost::filesystem::path{path}.filename().string(); + } - const std::string prog_name; + const std::string prog_name; - friend std::ostream& operator<<(std::ostream& os, const SettingsParser& parser) - { - const auto short_descr = parser.get_short_description(); - os << "usage: " << parser.prog_name << ' ' << short_descr << '\n'; - os << parser.visible; - return os; - } - }; -} + friend std::ostream& operator<<(std::ostream& os, const SettingsParser& parser) + { + const auto short_descr = parser.get_short_description(); + os << "usage: " << parser.prog_name << ' ' << short_descr << '\n'; + os << parser.visible; + return os; + } +}; |