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Diffstat (limited to 'clean/clean-options.hxx')
| -rw-r--r-- | clean/clean-options.hxx | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/clean/clean-options.hxx b/clean/clean-options.hxx new file mode 100644 index 0000000..d6e27f6 --- /dev/null +++ b/clean/clean-options.hxx @@ -0,0 +1,416 @@ +// -*- C++ -*- +// +// This file was generated by CLI, a command line interface +// compiler for C++. +// + +#ifndef CLEAN_CLEAN_OPTIONS_HXX +#define CLEAN_CLEAN_OPTIONS_HXX + +// Begin prologue. +// +// +// End prologue. + +#include <iosfwd> +#include <string> +#include <cstddef> +#include <exception> + +#ifndef CLI_POTENTIALLY_UNUSED +# if defined(_MSC_VER) || defined(__xlC__) +# define CLI_POTENTIALLY_UNUSED(x) (void*)&x +# else +# define CLI_POTENTIALLY_UNUSED(x) (void)x +# endif +#endif + +namespace cli +{ + class usage_para + { + public: + enum value + { + none, + text, + option + }; + + usage_para (value); + + operator value () const + { + return v_; + } + + private: + value v_; + }; + + class unknown_mode + { + public: + enum value + { + skip, + stop, + fail + }; + + unknown_mode (value); + + operator value () const + { + return v_; + } + + private: + value v_; + }; + + // Exceptions. + // + + class exception: public std::exception + { + public: + virtual void + print (::std::ostream&) const = 0; + }; + + ::std::ostream& + operator<< (::std::ostream&, const exception&); + + class unknown_option: public exception + { + public: + virtual + ~unknown_option () noexcept; + + unknown_option (const std::string& option); + + const std::string& + option () const; + + virtual void + print (::std::ostream&) const; + + virtual const char* + what () const noexcept; + + private: + std::string option_; + }; + + class unknown_argument: public exception + { + public: + virtual + ~unknown_argument () noexcept; + + unknown_argument (const std::string& argument); + + const std::string& + argument () const; + + virtual void + print (::std::ostream&) const; + + virtual const char* + what () const noexcept; + + private: + std::string argument_; + }; + + class missing_value: public exception + { + public: + virtual + ~missing_value () noexcept; + + missing_value (const std::string& option); + + const std::string& + option () const; + + virtual void + print (::std::ostream&) const; + + virtual const char* + what () const noexcept; + + private: + std::string option_; + }; + + class invalid_value: public exception + { + public: + virtual + ~invalid_value () noexcept; + + invalid_value (const std::string& option, + const std::string& value, + const std::string& message = std::string ()); + + const std::string& + option () const; + + const std::string& + value () const; + + const std::string& + message () const; + + virtual void + print (::std::ostream&) const; + + virtual const char* + what () const noexcept; + + private: + std::string option_; + std::string value_; + std::string message_; + }; + + class eos_reached: public exception + { + public: + virtual void + print (::std::ostream&) const; + + virtual const char* + what () const noexcept; + }; + + // Command line argument scanner interface. + // + // The values returned by next() are guaranteed to be valid + // for the two previous arguments up until a call to a third + // peek() or next(). + // + // The position() function returns a monotonically-increasing + // number which, if stored, can later be used to determine the + // relative position of the argument returned by the following + // call to next(). Note that if multiple scanners are used to + // extract arguments from multiple sources, then the end + // position of the previous scanner should be used as the + // start position of the next. + // + class scanner + { + public: + virtual + ~scanner (); + + virtual bool + more () = 0; + + virtual const char* + peek () = 0; + + virtual const char* + next () = 0; + + virtual void + skip () = 0; + + virtual std::size_t + position () = 0; + }; + + class argv_scanner: public scanner + { + public: + argv_scanner (int& argc, + char** argv, + bool erase = false, + std::size_t start_position = 0); + + argv_scanner (int start, + int& argc, + char** argv, + bool erase = false, + std::size_t start_position = 0); + + int + end () const; + + virtual bool + more (); + + virtual const char* + peek (); + + virtual const char* + next (); + + virtual void + skip (); + + virtual std::size_t + position (); + + protected: + std::size_t start_position_; + int i_; + int& argc_; + char** argv_; + bool erase_; + }; + + template <typename X> + struct parser; +} + +#include <vector> + +#include <string> + +#include <cstdint> + +class options +{ + public: + options (); + + options (int& argc, + char** argv, + bool erase = false, + ::cli::unknown_mode option = ::cli::unknown_mode::fail, + ::cli::unknown_mode argument = ::cli::unknown_mode::stop); + + options (int start, + int& argc, + char** argv, + bool erase = false, + ::cli::unknown_mode option = ::cli::unknown_mode::fail, + ::cli::unknown_mode argument = ::cli::unknown_mode::stop); + + options (int& argc, + char** argv, + int& end, + bool erase = false, + ::cli::unknown_mode option = ::cli::unknown_mode::fail, + ::cli::unknown_mode argument = ::cli::unknown_mode::stop); + + options (int start, + int& argc, + char** argv, + int& end, + bool erase = false, + ::cli::unknown_mode option = ::cli::unknown_mode::fail, + ::cli::unknown_mode argument = ::cli::unknown_mode::stop); + + options (::cli::scanner&, + ::cli::unknown_mode option = ::cli::unknown_mode::fail, + ::cli::unknown_mode argument = ::cli::unknown_mode::stop); + + // Option accessors. + // + const bool& + archive () const; + + const std::string& + db_user () const; + + bool + db_user_specified () const; + + const std::string& + db_password () const; + + bool + db_password_specified () const; + + const std::string& + db_name () const; + + bool + db_name_specified () const; + + const std::string& + db_host () const; + + bool + db_host_specified () const; + + const std::uint16_t& + db_port () const; + + bool + db_port_specified () const; + + const std::string& + pager () const; + + bool + pager_specified () const; + + const std::vector<std::string>& + pager_option () const; + + bool + pager_option_specified () const; + + const bool& + help () const; + + const bool& + version () const; + + // Print usage information. + // + static ::cli::usage_para + print_usage (::std::ostream&, + ::cli::usage_para = ::cli::usage_para::none); + + // Implementation details. + // + protected: + bool + _parse (const char*, ::cli::scanner&); + + private: + bool + _parse (::cli::scanner&, + ::cli::unknown_mode option, + ::cli::unknown_mode argument); + + public: + bool archive_; + std::string db_user_; + bool db_user_specified_; + std::string db_password_; + bool db_password_specified_; + std::string db_name_; + bool db_name_specified_; + std::string db_host_; + bool db_host_specified_; + std::uint16_t db_port_; + bool db_port_specified_; + std::string pager_; + bool pager_specified_; + std::vector<std::string> pager_option_; + bool pager_option_specified_; + bool help_; + bool version_; +}; + +// Print page usage information. +// +::cli::usage_para +print_usage (::std::ostream&, + ::cli::usage_para = ::cli::usage_para::none); + +#include <clean/clean-options.ixx> + +// Begin epilogue. +// +// +// End epilogue. + +#endif // CLEAN_CLEAN_OPTIONS_HXX |