forked from lthn/blockchain
06e7780df5
adds this to the bottom of whats there: // Copyright (c) 2017-2025 Lethean (https://lt.hn) // // Licensed under the European Union Public Licence (EUPL) version 1.2. // You may obtain a copy of the licence at: // // https://joinup.ec.europa.eu/software/page/eupl/licence-eupl // // The EUPL is a copyleft licence that is compatible with the MIT/X11 // licence used by the original projects; the MIT terms are therefore // considered “grandfathered” under the EUPL for this code. // // SPDX‑License‑Identifier: EUPL-1.2 //
250 lines
8 KiB
C++
250 lines
8 KiB
C++
// Copyright (c) 2014-2018 Zano Project
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// Copyright (c) 2014-2018 The Louisdor Project
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// Copyright (c) 2012-2013 The Boolberry developers
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// Copyright (c) 2017-2025 Lethean (https://lt.hn)
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//
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// Licensed under the European Union Public Licence (EUPL) version 1.2.
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// You may obtain a copy of the licence at:
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//
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// https://joinup.ec.europa.eu/software/page/eupl/licence-eupl
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//
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// The EUPL is a copyleft licence that is compatible with the MIT/X11
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// licence used by the original projects; the MIT terms are therefore
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// considered “grandfathered” under the EUPL for this code.
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//
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// SPDX‑License‑Identifier: EUPL-1.2
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//
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#pragma once
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#include <iostream>
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#include <type_traits>
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#include <boost/program_options/parsers.hpp>
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#include <boost/program_options/options_description.hpp>
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#include <boost/program_options/variables_map.hpp>
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#include "include_base_utils.h"
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namespace command_line
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{
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template<typename T, bool required = false>
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struct arg_descriptor;
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template<typename T>
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struct arg_descriptor<T, false>
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{
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typedef T value_type;
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arg_descriptor(const char* _name, const char* _description):
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name(_name),
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description(_description),
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use_default(false),
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default_value(T())
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{}
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arg_descriptor(const char* _name, const char* _description, const T& default_val) :
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name(_name),
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description(_description),
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use_default(true),
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default_value(default_val)
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{}
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// arg_descriptor(const char* _name, const char* _description, const T& default_val, bool not_use_default) :
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// name(_name),
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// description(_description),
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// default_value(default_val),
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// not_use_default(not_use_default)
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// {}
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const char* name;
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const char* description;
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bool use_default;
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T default_value;
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};
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template<typename T>
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struct arg_descriptor<std::vector<T>, false>
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{
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arg_descriptor(const char* _name, const char* _description) :
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name(_name),
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description(_description)
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{}
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typedef std::vector<T> value_type;
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const char* name;
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const char* description;
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};
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template<typename T>
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struct arg_descriptor<T, true>
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{
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static_assert(!std::is_same<T, bool>::value, "Boolean switch can't be required");
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typedef T value_type;
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const char* name;
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const char* description;
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};
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template<typename T>
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boost::program_options::typed_value<T, char>* make_semantic(const arg_descriptor<T, true>& /*arg*/)
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{
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return boost::program_options::value<T>()->required();
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}
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template<typename T>
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boost::program_options::typed_value<T, char>* make_semantic(const arg_descriptor<T, false>& arg)
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{
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auto semantic = boost::program_options::value<T>();
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if (arg.use_default)
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semantic->default_value(arg.default_value);
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return semantic;
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}
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template<typename T>
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boost::program_options::typed_value<T, char>* make_semantic(const arg_descriptor<T, false>& arg, const T& def)
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{
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auto semantic = boost::program_options::value<T>();
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if (arg.use_default)
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semantic->default_value(def);
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return semantic;
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}
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template<typename T>
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boost::program_options::typed_value<std::vector<T>, char>* make_semantic(const arg_descriptor<std::vector<T>, false>& /*arg*/)
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{
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auto semantic = boost::program_options::value< std::vector<T> >();
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semantic->default_value(std::vector<T>(), "");
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return semantic;
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}
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template<typename T, bool required>
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void add_arg(boost::program_options::options_description& description, const arg_descriptor<T, required>& arg, bool unique = true)
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{
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if (0 != description.find_nothrow(arg.name, false))
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{
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CHECK_AND_ASSERT_MES(!unique, void(), "Argument already exists: " << arg.name);
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return;
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}
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description.add_options()(arg.name, make_semantic(arg), arg.description);
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}
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template<typename T>
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void add_arg(boost::program_options::options_description& description, const arg_descriptor<T, false>& arg, const T& def, bool unique = true)
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{
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if (0 != description.find_nothrow(arg.name, false))
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{
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CHECK_AND_ASSERT_MES(!unique, void(), "Argument already exists: " << arg.name);
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return;
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}
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description.add_options()(arg.name, make_semantic(arg, def), arg.description);
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}
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template<>
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inline void add_arg(boost::program_options::options_description& description, const arg_descriptor<bool, false>& arg, bool unique)
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{
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if (0 != description.find_nothrow(arg.name, false))
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{
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CHECK_AND_ASSERT_MES(!unique, void(), "Argument already exists: " << arg.name);
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return;
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}
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description.add_options()(arg.name, boost::program_options::bool_switch(), arg.description);
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}
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template<typename charT>
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boost::program_options::basic_parsed_options<charT> parse_command_line(int argc, const charT* const argv[],
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const boost::program_options::options_description& desc, bool allow_unregistered = false)
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{
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auto parser = boost::program_options::basic_command_line_parser<charT>(argc, argv);
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parser.options(desc);
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if (allow_unregistered)
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{
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parser.allow_unregistered();
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}
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return parser.run();
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}
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template<typename F>
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bool handle_error_helper(const boost::program_options::options_description& desc, std::string& err, F parser)
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{
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try
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{
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return parser();
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}
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catch (std::exception& e)
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{
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err = e.what();
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std::cerr << "Failed to parse arguments: " << e.what() << std::endl;
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std::cerr << desc << std::endl;
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return false;
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}
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catch (...)
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{
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std::cerr << "Failed to parse arguments: unknown exception" << std::endl;
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std::cerr << desc << std::endl;
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return false;
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}
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}
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template<typename F>
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bool handle_error_helper(const boost::program_options::options_description& desc, F parser)
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{
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std::string stub_err;
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return handle_error_helper(desc, stub_err, parser);
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}
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template<typename T, bool required>
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bool has_arg(const boost::program_options::variables_map& vm, const arg_descriptor<T, required>& arg)
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{
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auto value = vm[arg.name];
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return !value.empty();
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}
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template<typename T, bool required>
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T get_arg(const boost::program_options::variables_map& vm, const arg_descriptor<T, required>& arg)
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{
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return vm[arg.name].template as<T>();
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}
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template<>
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inline bool has_arg<bool, false>(const boost::program_options::variables_map& vm, const arg_descriptor<bool, false>& arg)
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{
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return get_arg<bool, false>(vm, arg);
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}
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#define ARG_DB_ENGINE_LMDB "lmdb"
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#define ARG_DB_ENGINE_MDBX "mdbx"
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extern const arg_descriptor<bool> arg_help;
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extern const arg_descriptor<bool> arg_version;
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extern const arg_descriptor<std::string> arg_data_dir;
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extern const arg_descriptor<int> arg_stop_after_height;
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extern const arg_descriptor<std::string> arg_config_file;
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extern const arg_descriptor<bool> arg_os_version;
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extern const arg_descriptor<std::string> arg_log_dir;
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extern const arg_descriptor<std::string> arg_log_file;
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extern const arg_descriptor<int> arg_log_level;
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extern const arg_descriptor<bool> arg_console;
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extern const arg_descriptor<bool> arg_show_details;
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//extern const arg_descriptor<bool> arg_show_rpc_autodoc;
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extern const arg_descriptor<bool> arg_disable_upnp;
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extern const arg_descriptor<bool> arg_disable_ntp;
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extern const arg_descriptor<bool> arg_disable_stop_if_time_out_of_sync;
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extern const arg_descriptor<bool> arg_disable_stop_on_low_free_space;
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extern const arg_descriptor<bool> arg_enable_offers_service;
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extern const arg_descriptor<std::string> arg_db_engine;
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extern const arg_descriptor<bool> arg_no_predownload;
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extern const arg_descriptor<bool> arg_force_predownload;
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extern const arg_descriptor<std::string> arg_process_predownload_from_path;
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extern const arg_descriptor<bool> arg_validate_predownload;
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extern const arg_descriptor<std::string> arg_predownload_link;
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extern const arg_descriptor<bool> arg_non_pruning_mode;
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extern const arg_descriptor<std::string> arg_deeplink;
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extern const arg_descriptor<std::string> arg_generate_rpc_autodoc;
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}
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