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Diffstat (limited to 'utils/helpers/command_line.hpp')
-rw-r--r-- | utils/helpers/command_line.hpp | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/utils/helpers/command_line.hpp b/utils/helpers/command_line.hpp deleted file mode 100644 index 2e4d803..0000000 --- a/utils/helpers/command_line.hpp +++ /dev/null @@ -1,87 +0,0 @@ -// Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com> -// This file is part of the "AES tools" project. -// For details, see https://github.com/egor-tensin/aes-tools. -// Distributed under the MIT License. - -#pragma once - -#include <boost/filesystem.hpp> -#include <boost/program_options.hpp> - -#include <exception> -#include <iostream> -#include <ostream> -#include <string> - -namespace command_line -{ - class SettingsParser - { - public: - 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 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; - - void usage() const - { - std::cout << *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; - - private: - 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) - { - const auto short_descr = parser.get_short_description(); - os << "usage: " << parser.prog_name << ' ' << short_descr << '\n'; - os << parser.visible; - return os; - } - }; -} |