diff options
Diffstat (limited to 'odb/options.hxx')
| -rw-r--r-- | odb/options.hxx | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/odb/options.hxx b/odb/options.hxx new file mode 100644 index 0000000..9074410 --- /dev/null +++ b/odb/options.hxx @@ -0,0 +1,326 @@ +// This code was generated by CLI, a command line interface +// compiler for C++. +// + +#ifndef ODB_OPTIONS_HXX +#define ODB_OPTIONS_HXX + +#include <deque> +#include <iosfwd> +#include <string> +#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 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 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& file_option, + bool erase = false); + + argv_file_scanner (int start, + int& argc, + char** argv, + const std::string& file_option, + bool erase = false); + + virtual bool + more (); + + virtual const char* + peek (); + + virtual const char* + next (); + + virtual void + skip (); + + private: + void + load (const char* file); + + typedef argv_scanner base; + + const std::string option_; + std::string hold_; + std::deque<std::string> args_; + bool skip_; + }; +} + +#include <string> + +#include <vector> + +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); + + // Option accessors. + // + + const bool& + help () const; + + const bool& + version () const; + + const std::string& + options_file () const; + + // Print usage information. + // + static void + print_usage (::std::ostream&); + + private: + void + _parse (::cli::scanner&, + ::cli::unknown_mode option, + ::cli::unknown_mode argument); + + public: + bool help_; + bool version_; + std::string options_file_; +}; + +#include "options.ixx" + +#endif // ODB_OPTIONS_HXX |