diff options
Diffstat (limited to 'bbot/worker/worker-options.cxx')
| -rw-r--r-- | bbot/worker/worker-options.cxx | 690 |
1 files changed, 690 insertions, 0 deletions
diff --git a/bbot/worker/worker-options.cxx b/bbot/worker/worker-options.cxx new file mode 100644 index 0000000..028f1cb --- /dev/null +++ b/bbot/worker/worker-options.cxx @@ -0,0 +1,690 @@ +// -*- C++ -*- +// +// This file was generated by CLI, a command line interface +// compiler for C++. +// + +// Begin prologue. +// +#include <bbot/types-parsers.hxx> +// +// End prologue. + +#include <bbot/worker/worker-options.hxx> + +#include <map> +#include <set> +#include <string> +#include <vector> +#include <utility> +#include <ostream> +#include <sstream> +#include <cstring> + +namespace bbot +{ + namespace cli + { + template <typename X> + struct parser + { + static void + parse (X& x, bool& xs, scanner& s) + { + using namespace std; + + const char* o (s.next ()); + if (s.more ()) + { + string v (s.next ()); + istringstream is (v); + if (!(is >> x && is.peek () == istringstream::traits_type::eof ())) + throw invalid_value (o, v); + } + else + throw missing_value (o); + + xs = true; + } + }; + + template <> + struct parser<bool> + { + static void + parse (bool& x, bool& xs, scanner& s) + { + const char* o (s.next ()); + + if (s.more ()) + { + const char* v (s.next ()); + + if (std::strcmp (v, "1") == 0 || + std::strcmp (v, "true") == 0 || + std::strcmp (v, "TRUE") == 0 || + std::strcmp (v, "True") == 0) + x = true; + else if (std::strcmp (v, "0") == 0 || + std::strcmp (v, "false") == 0 || + std::strcmp (v, "FALSE") == 0 || + std::strcmp (v, "False") == 0) + x = false; + else + throw invalid_value (o, v); + } + else + throw missing_value (o); + + xs = true; + } + }; + + template <> + struct parser<std::string> + { + static void + parse (std::string& x, bool& xs, scanner& s) + { + const char* o (s.next ()); + + if (s.more ()) + x = s.next (); + else + throw missing_value (o); + + xs = true; + } + }; + + template <typename X> + struct parser<std::pair<X, std::size_t> > + { + static void + parse (std::pair<X, std::size_t>& x, bool& xs, scanner& s) + { + x.second = s.position (); + parser<X>::parse (x.first, xs, s); + } + }; + + template <typename X> + struct parser<std::vector<X> > + { + static void + parse (std::vector<X>& c, bool& xs, scanner& s) + { + X x; + bool dummy; + parser<X>::parse (x, dummy, s); + c.push_back (x); + xs = true; + } + }; + + template <typename X, typename C> + struct parser<std::set<X, C> > + { + static void + parse (std::set<X, C>& c, bool& xs, scanner& s) + { + X x; + bool dummy; + parser<X>::parse (x, dummy, s); + c.insert (x); + xs = true; + } + }; + + template <typename K, typename V, typename C> + struct parser<std::map<K, V, C> > + { + static void + parse (std::map<K, V, C>& m, bool& xs, scanner& s) + { + const char* o (s.next ()); + + if (s.more ()) + { + std::size_t pos (s.position ()); + std::string ov (s.next ()); + std::string::size_type p = ov.find ('='); + + K k = K (); + V v = V (); + std::string kstr (ov, 0, p); + std::string vstr (ov, (p != std::string::npos ? p + 1 : ov.size ())); + + int ac (2); + char* av[] = + { + const_cast<char*> (o), + 0 + }; + + bool dummy; + if (!kstr.empty ()) + { + av[1] = const_cast<char*> (kstr.c_str ()); + argv_scanner s (0, ac, av, false, pos); + parser<K>::parse (k, dummy, s); + } + + if (!vstr.empty ()) + { + av[1] = const_cast<char*> (vstr.c_str ()); + argv_scanner s (0, ac, av, false, pos); + parser<V>::parse (v, dummy, s); + } + + m[k] = v; + } + else + throw missing_value (o); + + xs = true; + } + }; + + template <typename K, typename V, typename C> + struct parser<std::multimap<K, V, C> > + { + static void + parse (std::multimap<K, V, C>& m, bool& xs, scanner& s) + { + const char* o (s.next ()); + + if (s.more ()) + { + std::size_t pos (s.position ()); + std::string ov (s.next ()); + std::string::size_type p = ov.find ('='); + + K k = K (); + V v = V (); + std::string kstr (ov, 0, p); + std::string vstr (ov, (p != std::string::npos ? p + 1 : ov.size ())); + + int ac (2); + char* av[] = + { + const_cast<char*> (o), + 0 + }; + + bool dummy; + if (!kstr.empty ()) + { + av[1] = const_cast<char*> (kstr.c_str ()); + argv_scanner s (0, ac, av, false, pos); + parser<K>::parse (k, dummy, s); + } + + if (!vstr.empty ()) + { + av[1] = const_cast<char*> (vstr.c_str ()); + argv_scanner s (0, ac, av, false, pos); + parser<V>::parse (v, dummy, s); + } + + m.insert (typename std::multimap<K, V, C>::value_type (k, v)); + } + else + throw missing_value (o); + + xs = true; + } + }; + + template <typename X, typename T, T X::*M> + void + thunk (X& x, scanner& s) + { + parser<T>::parse (x.*M, s); + } + + template <typename X, bool X::*M> + void + thunk (X& x, scanner& s) + { + s.next (); + x.*M = true; + } + + template <typename X, typename T, T X::*M, bool X::*S> + void + thunk (X& x, scanner& s) + { + parser<T>::parse (x.*M, x.*S, s); + } + } +} + +#include <map> + +namespace bbot +{ + // worker_options + // + + worker_options:: + worker_options () + : help_ (), + version_ (), + verbose_ (1), + verbose_specified_ (false), + bootstrap_ (), + startup_ (), + systemd_daemon_ (), + build_ (), + build_specified_ (false), + environments_ (), + environments_specified_ (false), + env_script_ (), + env_script_specified_ (false), + env_target_ (), + env_target_specified_ (false), + tftp_host_ ("196.254.111.222"), + tftp_host_specified_ (false) + { + } + + bool worker_options:: + parse (int& argc, + char** argv, + bool erase, + ::bbot::cli::unknown_mode opt, + ::bbot::cli::unknown_mode arg) + { + ::bbot::cli::argv_scanner s (argc, argv, erase); + bool r = _parse (s, opt, arg); + return r; + } + + bool worker_options:: + parse (int start, + int& argc, + char** argv, + bool erase, + ::bbot::cli::unknown_mode opt, + ::bbot::cli::unknown_mode arg) + { + ::bbot::cli::argv_scanner s (start, argc, argv, erase); + bool r = _parse (s, opt, arg); + return r; + } + + bool worker_options:: + parse (int& argc, + char** argv, + int& end, + bool erase, + ::bbot::cli::unknown_mode opt, + ::bbot::cli::unknown_mode arg) + { + ::bbot::cli::argv_scanner s (argc, argv, erase); + bool r = _parse (s, opt, arg); + end = s.end (); + return r; + } + + bool worker_options:: + parse (int start, + int& argc, + char** argv, + int& end, + bool erase, + ::bbot::cli::unknown_mode opt, + ::bbot::cli::unknown_mode arg) + { + ::bbot::cli::argv_scanner s (start, argc, argv, erase); + bool r = _parse (s, opt, arg); + end = s.end (); + return r; + } + + bool worker_options:: + parse (::bbot::cli::scanner& s, + ::bbot::cli::unknown_mode opt, + ::bbot::cli::unknown_mode arg) + { + bool r = _parse (s, opt, arg); + return r; + } + + ::bbot::cli::usage_para worker_options:: + print_usage (::std::ostream& os, ::bbot::cli::usage_para p) + { + CLI_POTENTIALLY_UNUSED (os); + + if (p != ::bbot::cli::usage_para::none) + os << ::std::endl; + + os << "\033[1mOPTIONS\033[0m" << ::std::endl; + + os << std::endl + << "\033[1m--help\033[0m Print usage information and exit." << ::std::endl; + + os << std::endl + << "\033[1m--version\033[0m Print version and exit." << ::std::endl; + + os << std::endl + << "\033[1m--verbose\033[0m \033[4mlevel\033[0m Set the diagnostics verbosity to \033[4mlevel\033[0m between 0 and 6" << ::std::endl + << " with level 1 being the default." << ::std::endl; + + os << std::endl + << "\033[1m--bootstrap\033[0m Perform the inital machine bootstrap insteading of" << ::std::endl + << " building." << ::std::endl; + + os << std::endl + << "\033[1m--startup\033[0m Perform the environment setup and then re-execute for" << ::std::endl + << " building." << ::std::endl; + + os << std::endl + << "\033[1m--systemd-daemon\033[0m Run as a simple systemd daemon." << ::std::endl; + + os << std::endl + << "\033[1m--build\033[0m \033[4mdir\033[0m The directory to perform the build in. If not" << ::std::endl + << " specified, then the current working directory is used." << ::std::endl; + + os << std::endl + << "\033[1m--environments\033[0m \033[4mdir\033[0m The directory containing the environment setup" << ::std::endl + << " executables. If not specified, then the user's home" << ::std::endl + << " directory is used." << ::std::endl; + + os << std::endl + << "\033[1m--env-script\033[0m \033[4mpath\033[0m The environment setup executable path. This option is" << ::std::endl + << " normally passed by the worker running in the startup" << ::std::endl + << " mode to the worker executed in the build mode." << ::std::endl; + + os << std::endl + << "\033[1m--env-target\033[0m \033[4mtarget\033[0m The environment setup executable target argument. This" << ::std::endl + << " option is normally passed by the worker running in the" << ::std::endl + << " startup mode to the worker executed in the build mode." << ::std::endl; + + os << std::endl + << "\033[1m--tftp-host\033[0m \033[4maddr\033[0m The TFTP host address and, optionally, port to use to" << ::std::endl + << " download the build task and to upload the build result." << ::std::endl + << " By default the link-local address 196.254.111.222 with" << ::std::endl + << " the standard TFTP port (69) is used." << ::std::endl; + + p = ::bbot::cli::usage_para::option; + + return p; + } + + typedef + std::map<std::string, void (*) (worker_options&, ::bbot::cli::scanner&)> + _cli_worker_options_map; + + static _cli_worker_options_map _cli_worker_options_map_; + + struct _cli_worker_options_map_init + { + _cli_worker_options_map_init () + { + _cli_worker_options_map_["--help"] = + &::bbot::cli::thunk< worker_options, &worker_options::help_ >; + _cli_worker_options_map_["--version"] = + &::bbot::cli::thunk< worker_options, &worker_options::version_ >; + _cli_worker_options_map_["--verbose"] = + &::bbot::cli::thunk< worker_options, uint16_t, &worker_options::verbose_, + &worker_options::verbose_specified_ >; + _cli_worker_options_map_["--bootstrap"] = + &::bbot::cli::thunk< worker_options, &worker_options::bootstrap_ >; + _cli_worker_options_map_["--startup"] = + &::bbot::cli::thunk< worker_options, &worker_options::startup_ >; + _cli_worker_options_map_["--systemd-daemon"] = + &::bbot::cli::thunk< worker_options, &worker_options::systemd_daemon_ >; + _cli_worker_options_map_["--build"] = + &::bbot::cli::thunk< worker_options, dir_path, &worker_options::build_, + &worker_options::build_specified_ >; + _cli_worker_options_map_["--environments"] = + &::bbot::cli::thunk< worker_options, dir_path, &worker_options::environments_, + &worker_options::environments_specified_ >; + _cli_worker_options_map_["--env-script"] = + &::bbot::cli::thunk< worker_options, path, &worker_options::env_script_, + &worker_options::env_script_specified_ >; + _cli_worker_options_map_["--env-target"] = + &::bbot::cli::thunk< worker_options, string, &worker_options::env_target_, + &worker_options::env_target_specified_ >; + _cli_worker_options_map_["--tftp-host"] = + &::bbot::cli::thunk< worker_options, string, &worker_options::tftp_host_, + &worker_options::tftp_host_specified_ >; + } + }; + + static _cli_worker_options_map_init _cli_worker_options_map_init_; + + bool worker_options:: + _parse (const char* o, ::bbot::cli::scanner& s) + { + _cli_worker_options_map::const_iterator i (_cli_worker_options_map_.find (o)); + + if (i != _cli_worker_options_map_.end ()) + { + (*(i->second)) (*this, s); + return true; + } + + return false; + } + + bool worker_options:: + _parse (::bbot::cli::scanner& s, + ::bbot::cli::unknown_mode opt_mode, + ::bbot::cli::unknown_mode arg_mode) + { + // Can't skip combined flags (--no-combined-flags). + // + assert (opt_mode != ::bbot::cli::unknown_mode::skip); + + bool r = false; + bool opt = true; + + while (s.more ()) + { + const char* o = s.peek (); + + if (std::strcmp (o, "--") == 0) + { + opt = false; + s.skip (); + r = true; + continue; + } + + if (opt) + { + if (_parse (o, s)) + { + r = true; + continue; + } + + if (std::strncmp (o, "-", 1) == 0 && o[1] != '\0') + { + // Handle combined option values. + // + std::string co; + if (const char* v = std::strchr (o, '=')) + { + co.assign (o, 0, v - o); + ++v; + + int ac (2); + char* av[] = + { + const_cast<char*> (co.c_str ()), + const_cast<char*> (v) + }; + + ::bbot::cli::argv_scanner ns (0, ac, av); + + if (_parse (co.c_str (), ns)) + { + // Parsed the option but not its value? + // + if (ns.end () != 2) + throw ::bbot::cli::invalid_value (co, v); + + s.next (); + r = true; + continue; + } + else + { + // Set the unknown option and fall through. + // + o = co.c_str (); + } + } + + // Handle combined flags. + // + char cf[3]; + { + const char* p = o + 1; + for (; *p != '\0'; ++p) + { + if (!((*p >= 'a' && *p <= 'z') || + (*p >= 'A' && *p <= 'Z') || + (*p >= '0' && *p <= '9'))) + break; + } + + if (*p == '\0') + { + for (p = o + 1; *p != '\0'; ++p) + { + std::strcpy (cf, "-"); + cf[1] = *p; + cf[2] = '\0'; + + int ac (1); + char* av[] = + { + cf + }; + + ::bbot::cli::argv_scanner ns (0, ac, av); + + if (!_parse (cf, ns)) + break; + } + + if (*p == '\0') + { + // All handled. + // + s.next (); + r = true; + continue; + } + else + { + // Set the unknown option and fall through. + // + o = cf; + } + } + } + + switch (opt_mode) + { + case ::bbot::cli::unknown_mode::skip: + { + s.skip (); + r = true; + continue; + } + case ::bbot::cli::unknown_mode::stop: + { + break; + } + case ::bbot::cli::unknown_mode::fail: + { + throw ::bbot::cli::unknown_option (o); + } + } + + break; + } + } + + switch (arg_mode) + { + case ::bbot::cli::unknown_mode::skip: + { + s.skip (); + r = true; + continue; + } + case ::bbot::cli::unknown_mode::stop: + { + break; + } + case ::bbot::cli::unknown_mode::fail: + { + throw ::bbot::cli::unknown_argument (o); + } + } + + break; + } + + return r; + } +} + +namespace bbot +{ + ::bbot::cli::usage_para + print_bbot_worker_usage (::std::ostream& os, ::bbot::cli::usage_para p) + { + CLI_POTENTIALLY_UNUSED (os); + + if (p != ::bbot::cli::usage_para::none) + os << ::std::endl; + + os << "\033[1mSYNOPSIS\033[0m" << ::std::endl + << ::std::endl + << "\033[1mbbot-worker --help\033[0m" << ::std::endl + << "\033[1mbbot-worker --version\033[0m" << ::std::endl + << "\033[1mbbot-worker --bootstrap\033[0m [\033[4moptions\033[0m]" << ::std::endl + << "\033[1mbbot-worker --startup\033[0m [\033[4moptions\033[0m]" << ::std::endl + << "\033[1mbbot-worker\033[0m [\033[4moptions\033[0m] \033[4mmodule\033[0m... \033[4mcfg-var\033[0m...\033[0m" << ::std::endl + << ::std::endl + << "\033[1mDESCRIPTION\033[0m" << ::std::endl + << ::std::endl + << "\033[1mbbot-worker\033[0m @@ TODO." << ::std::endl + << ::std::endl + << "If the \033[1m--bootstrap\033[0m mode option is specified, then the worker performs the" << ::std::endl + << "initial machine bootstrap and writes the bootstrap result manifest to stdout\033[0m." << ::std::endl + << "If the \033[1m--startup\033[0m mode option is specified, then the worker performs the" << ::std::endl + << "environment setup and then re-executes in the build mode. If neither of the" << ::std::endl + << "mode options is specified, then the worker proceeds to performing the build" << ::std::endl + << "task." << ::std::endl; + + p = ::bbot::worker_options::print_usage (os, ::bbot::cli::usage_para::text); + + if (p != ::bbot::cli::usage_para::none) + os << ::std::endl; + + os << "\033[1mEXIT STATUS\033[0m" << ::std::endl + << ::std::endl + << "Non-zero exit status is returned in case of an error. In the build mode, exit" << ::std::endl + << "code 2 is used to signal abnormal termination where the worker uploaded the" << ::std::endl + << "result manifest itself." << ::std::endl; + + p = ::bbot::cli::usage_para::text; + + return p; + } +} + +// Begin epilogue. +// +// +// End epilogue. + |