// -*- C++ -*- // // This file was generated by CLI, a command line interface // compiler for C++. // #ifndef LIBBUILD2_BUILD_SCRIPT_BUILTIN_OPTIONS_HXX #define LIBBUILD2_BUILD_SCRIPT_BUILTIN_OPTIONS_HXX // Begin prologue. // // // End prologue. #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 build2 { namespace build { namespace script { namespace cli { 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& 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 throw (); 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 throw (); }; // 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_; }; class vector_scanner: public scanner { public: vector_scanner (const std::vector&, std::size_t start = 0, std::size_t start_position = 0); std::size_t end () const; void reset (std::size_t start = 0, std::size_t start_position = 0); virtual bool more (); virtual const char* peek (); virtual const char* next (); virtual void skip (); virtual std::size_t position (); private: std::size_t start_position_; const std::vector& v_; std::size_t i_; }; template struct parser; } } } } #include namespace build2 { namespace build { namespace script { class depdb_dep_options { public: depdb_dep_options (); // Return true if anything has been parsed. // bool parse (int& argc, char** argv, bool erase = false, ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail, ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop); bool parse (int start, int& argc, char** argv, bool erase = false, ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail, ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop); bool parse (int& argc, char** argv, int& end, bool erase = false, ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail, ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop); bool parse (int start, int& argc, char** argv, int& end, bool erase = false, ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail, ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop); bool parse (::build2::build::script::cli::scanner&, ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail, ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop); // Option accessors and modifiers. // const path& file () const; path& file (); void file (const path&); bool file_specified () const; void file_specified (bool); const string& format () const; string& format (); void format (const string&); bool format_specified () const; void format_specified (bool); const string& what () const; string& what (); void what (const string&); bool what_specified () const; void what_specified (bool); const dir_paths& include_path () const; dir_paths& include_path (); void include_path (const dir_paths&); bool include_path_specified () const; void include_path_specified (bool); const string& default_prereq_type () const; string& default_prereq_type (); void default_prereq_type (const string&); bool default_prereq_type_specified () const; void default_prereq_type_specified (bool); // Implementation details. // protected: bool _parse (const char*, ::build2::build::script::cli::scanner&); private: bool _parse (::build2::build::script::cli::scanner&, ::build2::build::script::cli::unknown_mode option, ::build2::build::script::cli::unknown_mode argument); public: path file_; bool file_specified_; string format_; bool format_specified_; string what_; bool what_specified_; dir_paths include_path_; bool include_path_specified_; string default_prereq_type_; bool default_prereq_type_specified_; }; } } } #include // Begin epilogue. // // // End epilogue. #endif // LIBBUILD2_BUILD_SCRIPT_BUILTIN_OPTIONS_HXX