diff options
Diffstat (limited to 'build/options')
| -rw-r--r-- | build/options | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/build/options b/build/options new file mode 100644 index 0000000..053c066 --- /dev/null +++ b/build/options @@ -0,0 +1,290 @@ +// -*- C++ -*- +// +// This file was generated by CLI, a command line interface +// compiler for C++. +// + +#ifndef BUILD_OPTIONS +#define BUILD_OPTIONS + +// Begin prologue. +// +// +// End prologue. + +#include <iosfwd> +#include <string> +#include <cstddef> +#include <exception> + +namespace cli +{ + class unknown_mode + { + public: + enum value + { + skip, + stop, + fail + }; + + unknown_mode (value v); + + 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 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_; + }; + + template <typename X> + struct parser; +} + +#include <cstdint> + +class options +{ + public: + 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); + + options (); + + // Option accessors. + // + const bool& + help () const; + + const bool& + version () const; + + const bool& + v () const; + + const std::uint16_t& + verbose () const; + + // Print usage information. + // + static void + print_usage (::std::ostream&); + + // Implementation details. + // + protected: + bool + _parse (const char*, ::cli::scanner&); + + private: + void + _parse (::cli::scanner&, + ::cli::unknown_mode option, + ::cli::unknown_mode argument); + + public: + bool help_; + bool version_; + bool v_; + std::uint16_t verbose_; +}; + +#include <build/options.ixx> + +// Begin epilogue. +// +// +// End epilogue. + +#endif // BUILD_OPTIONS |