// -*- C++ -*- // // This file was generated by CLI, a command line interface // compiler for C++. // #ifndef ODB_OPTIONS_HXX #define ODB_OPTIONS_HXX // Begin prologue. // // // End prologue. #include #include #include #include #include #include #include #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 () throw (); unknown_option (const std::string& option); const std::string& option () const; virtual void print (::std::ostream&) const; virtual const char* what () const throw (); private: std::string option_; }; class unknown_argument: public exception { public: virtual ~unknown_argument () throw (); unknown_argument (const std::string& argument); const std::string& argument () const; virtual void print (::std::ostream&) const; virtual const char* what () const throw (); private: std::string argument_; }; class missing_value: public exception { public: virtual ~missing_value () throw (); missing_value (const std::string& option); const std::string& option () const; virtual void print (::std::ostream&) const; virtual const char* what () const throw (); private: std::string option_; }; class invalid_value: public exception { public: virtual ~invalid_value () throw (); invalid_value (const std::string& option, const std::string& value); const std::string& option () const; const std::string& value () const; virtual void print (::std::ostream&) const; virtual const char* what () const throw (); private: std::string option_; std::string value_; }; class eos_reached: public exception { public: virtual void print (::std::ostream&) const; virtual const char* what () const throw (); }; class file_io_failure: public exception { public: virtual ~file_io_failure () throw (); file_io_failure (const std::string& file); const std::string& file () const; virtual void print (::std::ostream&) const; virtual const char* what () const throw (); private: std::string file_; }; class unmatched_quote: public exception { public: virtual ~unmatched_quote () throw (); unmatched_quote (const std::string& argument); const std::string& argument () const; virtual void print (::std::ostream&) const; virtual const char* what () const throw (); private: std::string argument_; }; // 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(). // class scanner { public: virtual ~scanner (); virtual bool more () = 0; virtual const char* peek () = 0; virtual const char* next () = 0; virtual void skip () = 0; }; class argv_scanner: public scanner { public: argv_scanner (int& argc, char** argv, bool erase = false); argv_scanner (int start, int& argc, char** argv, bool erase = false); int end () const; virtual bool more (); virtual const char* peek (); virtual const char* next (); virtual void skip (); private: int i_; int& argc_; char** argv_; bool erase_; }; class argv_file_scanner: public argv_scanner { public: argv_file_scanner (int& argc, char** argv, const std::string& option, bool erase = false); argv_file_scanner (int start, int& argc, char** argv, const std::string& option, bool erase = false); struct option_info { // If search_func is not NULL, it is called, with the arg // value as the second argument, to locate the options file. // If it returns an empty string, then the file is ignored. // const char* option; std::string (*search_func) (const char*, void* arg); void* arg; }; argv_file_scanner (int& argc, char** argv, const option_info* options, std::size_t options_count, bool erase = false); argv_file_scanner (int start, int& argc, char** argv, const option_info* options, std::size_t options_count, bool erase = false); virtual bool more (); virtual const char* peek (); virtual const char* next (); virtual void skip (); private: const option_info* find (const char*) const; void load (const std::string& file); typedef argv_scanner base; const std::string option_; option_info option_info_; const option_info* options_; std::size_t options_count_; std::deque args_; // Circular buffer of two arguments. // std::string hold_[2]; std::size_t i_; bool skip_; }; typedef std::vector option_names; class option { public: const std::string& name () const; const option_names& aliases () const; bool flag () const; const std::string& default_value () const; public:option (); option (const std::string& name, const option_names& aliases, bool flag, const std::string& default_value); private: std::string name_; option_names aliases_; bool flag_; std::string default_value_; }; class options: public std::vector