diff options
Diffstat (limited to '')
| -rw-r--r-- | utils/file_cmd_parser.hpp | 84 | ||||
| -rw-r--r-- | utils/file_common.hpp | 132 |
2 files changed, 84 insertions, 132 deletions
diff --git a/utils/file_cmd_parser.hpp b/utils/file_cmd_parser.hpp new file mode 100644 index 0000000..f20d80f --- /dev/null +++ b/utils/file_cmd_parser.hpp @@ -0,0 +1,84 @@ +/** + * \file + * \author Egor Tensin <Egor.Tensin@gmail.com> + * \date 2015 + * \copyright This file is licensed under the terms of the MIT License. + * See LICENSE.txt for details. + */ + +#pragma once + +#include "data_parsers.hpp" + +#include <aesnixx/all.hpp> + +#include <boost/program_options.hpp> + +#include <ostream> +#include <string> +#include <vector> + +namespace +{ + class CommandLineParser + { + public: + CommandLineParser(const char* prog_name) + : prog_name(prog_name) + , options("Options") + { + namespace po = boost::program_options; + + options.add_options() + ("help,h", "show this message and exit") + ("mode,m", po::value<aesni::Mode>(&mode)->required(), "set mode of operation") + ("algorithm,a", po::value<aesni::Algorithm>(&algorithm)->required(), "set algorithm"); + } + + void parse(int argc, char** argv) + { + namespace po = boost::program_options; + + po::options_description hidden_options; + hidden_options.add_options() + ("positional", po::value<std::vector<std::string>>(&args)); + + po::options_description all_options; + all_options.add(options).add(hidden_options); + + po::positional_options_description positional_options; + positional_options.add("positional", -1); + + po::variables_map vm; + po::store(po::command_line_parser(argc, argv).options(all_options).positional(positional_options).run(), vm); + + if (vm.count("help")) + { + help_flag = true; + return; + } + + po::notify(vm); + } + + bool requested_help() const { return help_flag; } + + aesni::Mode mode; + aesni::Algorithm algorithm; + std::vector<std::string> args; + + private: + const std::string prog_name; + boost::program_options::options_description options; + + bool help_flag = false; + + friend std::ostream& operator<<(std::ostream&, const CommandLineParser&); + }; + + std::ostream& operator<<(std::ostream& os, const CommandLineParser& cmd_parser) + { + return os << "Usage: " << cmd_parser.prog_name << " [OPTIONS...] KEY [IV] SRC_PATH DEST_PATH\n" + << cmd_parser.options << "\n"; + } +} diff --git a/utils/file_common.hpp b/utils/file_common.hpp deleted file mode 100644 index 8a13b48..0000000 --- a/utils/file_common.hpp +++ /dev/null @@ -1,132 +0,0 @@ -/** - * \file - * \author Egor Tensin <Egor.Tensin@gmail.com> - * \date 2015 - * \copyright This file is licensed under the terms of the MIT License. - * See LICENSE.txt for details. - */ - -#pragma once - -#include <aesnixx/all.hpp> - -#include <boost/algorithm/string.hpp> -#include <boost/program_options.hpp> - -#include <deque> -#include <iostream> -#include <iterator> -#include <istream> -#include <string> -#include <vector> - -static std::istream& operator>>(std::istream& is, aesni::Mode& dest) -{ - std::string src; - is >> src; - - if (boost::iequals(src, "ecb")) - dest = AESNI_ECB; - else if (boost::iequals(src, "cbc")) - dest = AESNI_CBC; - else if (boost::iequals(src, "cfb")) - dest = AESNI_CFB; - else if (boost::iequals(src, "ofb")) - dest = AESNI_OFB; - else if (boost::iequals(src, "ctr")) - dest = AESNI_CTR; - else - throw boost::program_options::validation_error(boost::program_options::validation_error::invalid_option_value, "mode", src); - - return is; -} - -static std::istream& operator>>(std::istream& is, aesni::Algorithm& dest) -{ - std::string src; - is >> src; - - if (boost::iequals(src, "aes128")) - dest = AESNI_AES128; - else if (boost::iequals(src, "aes192")) - dest = AESNI_AES192; - else if (boost::iequals(src, "aes256")) - dest = AESNI_AES256; - else - throw boost::program_options::validation_error(boost::program_options::validation_error::invalid_option_value, "algorithm", src); - - return is; -} - -namespace -{ - class CommandLineParser - { - public: - CommandLineParser(const std::string& prog_name) - : prog_name(prog_name) - , options("Options") - { } - - bool parse_options(int argc, char** argv) - { - namespace po = boost::program_options; - - options.add_options() - ("help,h", "show this message and exit") - ("mode,m", po::value<aesni::Mode>(&encryption_mode)->required(), "set mode of operation") - ("algorithm,a", po::value<aesni::Algorithm>(&encryption_algo)->required(), "set algorithm"); - - po::options_description hidden_options; - hidden_options.add_options() - ("positional", po::value<std::vector<std::string>>(&args)); - - po::options_description all_options; - all_options.add(options).add(hidden_options); - - po::positional_options_description positional_options; - positional_options.add("positional", -1); - - po::variables_map vm; - po::store(po::command_line_parser(argc, argv).options(all_options).positional(positional_options).run(), vm); - - if (vm.count("help")) - { - print_usage(); - return false; - } - - po::notify(vm); - return true; - } - - void print_usage() - { - std::cout << "Usage: " << prog_name << " [OPTIONS...] KEY [IV] SRC_PATH DEST_PATH\n"; - std::cout << options << "\n"; - } - - aesni::Mode get_mode() const - { - return encryption_mode; - } - - aesni::Algorithm get_algorithm() const - { - return encryption_algo; - } - - std::deque<std::string> get_args() - { - return { std::make_move_iterator(args.begin()), std::make_move_iterator(args.end()) }; - } - - private: - const std::string prog_name; - boost::program_options::options_description options; - - aesni::Mode encryption_mode; - aesni::Algorithm encryption_algo; - std::vector<std::string> args; - }; -} |