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-rw-r--r--utils/command_line.hpp44
1 files changed, 14 insertions, 30 deletions
diff --git a/utils/command_line.hpp b/utils/command_line.hpp
index 352c210..c991e4a 100644
--- a/utils/command_line.hpp
+++ b/utils/command_line.hpp
@@ -15,35 +15,25 @@
#include <ostream>
#include <string>
-class SettingsParser
-{
+class SettingsParser {
public:
- explicit SettingsParser(const std::string& argv0)
- : prog_name{extract_filename(argv0)}
- {
- visible.add_options()
- ("help,h",
- "show this message and exit");
+ explicit SettingsParser(const std::string& argv0) : prog_name{extract_filename(argv0)} {
+ visible.add_options()("help,h", "show this message and exit");
}
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[])
- {
+ 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);
+ 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
@@ -52,13 +42,9 @@ public:
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
- {
+ void usage_error(const std::exception& e) const {
std::cerr << "usage error: " << e.what() << '\n';
std::cerr << *this;
}
@@ -69,15 +55,13 @@ protected:
boost::program_options::positional_options_description positional;
private:
- static std::string extract_filename(const std::string& path)
- {
+ static std::string extract_filename(const std::string& path) {
return boost::filesystem::path{path}.filename().string();
}
const std::string prog_name;
- friend std::ostream& operator<<(std::ostream& os, const SettingsParser& parser)
- {
+ 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;