6 #include "std-string.hh"
9 a struct this for initialising the commandline options.
11 struct Long_option_init
13 char const *take_arg_str0_;
14 char const *longname_str0_;
17 = 0: don't take short version.
21 char const *help_str0_;
23 string to_string () const;
24 string str_for_help () const;
27 static int compare (Long_option_init const &, Long_option_init const &);
28 static string table_string (Long_option_init *);
31 /** C++ for version of long_getopt. For processing GNU style command
32 line arguments. No pointer (return values, arguments) contents are
36 command - , and command --
44 const Long_option_init *option_a_;
47 /// if doing short option, arg_value_char_a_a_[optind][optindind] is processed next.
51 const Long_option_init *found_option_;
54 /** errorcodes: no error, argument expected, no argument expected,
55 unknown option, illegal argument (eg. int expected). */
56 enum Errorcod { E_NOERROR = 0, E_ARGEXPECT, E_NOARGEXPECT, E_UNKNOWNOPTION,
60 /// argument. Set to 0 if not present
61 char const *optional_argument_str0_;
63 /// current error status
66 /// arg_value_char_a_a_[array_index_] will be processed next.
70 char **arg_value_char_a_a_;
78 /// get ready for processing next error.
80 const Long_option_init *parselong ();
81 const Long_option_init *parseshort ();
85 /// report an error and abort
86 void report (Errorcod c);
88 /// return an integer (with err. detect)
89 long get_argument_index ();
92 What to do with errors.
93 report messages on #*os#, and abort.
94 if #os# is null, then do not report nor abort, just set #error#
97 void seterror (FILE *os);
99 /// construct: pass arguments and option info.
100 Getopt_long (int c, char **v, Long_option_init *lo);
102 /** get the next option.
103 @return pointer to next option found.
104 0 if error occurred, or next argument is no option.
106 const Long_option_init *operator () ();
108 char const *current_arg ();
109 char const *get_next_arg ();
112 #endif // GETOPT_LONG_HH