diff options
Diffstat (limited to 'libbuild2/build/script/builtin-options.hxx')
| -rw-r--r-- | libbuild2/build/script/builtin-options.hxx | 309 |
1 files changed, 17 insertions, 292 deletions
diff --git a/libbuild2/build/script/builtin-options.hxx b/libbuild2/build/script/builtin-options.hxx index 60020c9..544daca 100644 --- a/libbuild2/build/script/builtin-options.hxx +++ b/libbuild2/build/script/builtin-options.hxx @@ -12,285 +12,10 @@ // // End prologue. -#include <vector> -#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 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::string>&, - 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<std::string>& v_; - std::size_t i_; - }; - - template <typename X> - struct parser; - } - } - } -} - #include <libbuild2/types.hxx> +#include <libbuild2/common-options.hxx> + namespace build2 { namespace build @@ -308,24 +33,24 @@ namespace build2 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); + ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail, + ::build2::build::cli::unknown_mode argument = ::build2::build::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); + ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail, + ::build2::build::cli::unknown_mode argument = ::build2::build::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); + ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail, + ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop); bool parse (int start, @@ -333,13 +58,13 @@ namespace build2 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); + ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail, + ::build2::build::cli::unknown_mode argument = ::build2::build::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); + parse (::build2::build::cli::scanner&, + ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail, + ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop); // Option accessors and modifiers. // @@ -455,13 +180,13 @@ namespace build2 // protected: bool - _parse (const char*, ::build2::build::script::cli::scanner&); + _parse (const char*, ::build2::build::cli::scanner&); private: bool - _parse (::build2::build::script::cli::scanner&, - ::build2::build::script::cli::unknown_mode option, - ::build2::build::script::cli::unknown_mode argument); + _parse (::build2::build::cli::scanner&, + ::build2::build::cli::unknown_mode option, + ::build2::build::cli::unknown_mode argument); public: path file_; |