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/* Copyright (c) 2000, 2003 Dmitry Butskoy <buc@citadel.stu.neva.ru> License: LGPL v2.1 or any later See COPYING.LIB for the status of this software. */ #ifndef _CLIF_H #define _CLIF_H typedef struct CLIF_option_struct CLIF_option; struct CLIF_option_struct { const char *short_opt; const char *long_opt; const char *arg_name; const char *help_string; int (*function) (CLIF_option *optn, char *arg); void *data; int (*function_plus) (CLIF_option *optn, char *arg); unsigned int flags; }; #define CLIF_END_OPTION { 0, 0, 0, 0, 0, 0, 0, 0 } typedef struct CLIF_argument_struct CLIF_argument; struct CLIF_argument_struct { const char *name; const char *help_string; int (*function) (CLIF_argument *argm, char *arg, int index); void *data; unsigned int flags; }; #define CLIF_END_ARGUMENT { 0, 0, 0, 0, 0 } /* Argument flag bits. */ #define CLIF_MORE (0x01) /* null or several */ #define CLIF_STRICT (0x02) /* arg must be present */ #define CLIF_ACC_PREV (0x04) /* arg must be accompanied with previous */ /* Option flag bits. */ /* affected only by per-option flags */ #define CLIF_EXTRA (0x0001) /* don`t show in usage line */ #define CLIF_EXIT (0x0002) /* exit after handler return */ #define CLIF_EXCL (0x0004) /* at exclusive area */ /* affected by per-option flags and by common `parse_flags' argument of CLIF_parse_cmdline(). In last case appropriate bits are translated for all the options. */ #define CLIF_MAY_JOIN_ARG (0x0010) #define _CLIF_STRICT_JOIN_ARG (0x0020) #define CLIF_JOIN_ARG (CLIF_MAY_JOIN_ARG|_CLIF_STRICT_JOIN_ARG) #define CLIF_MAY_NOEQUAL (0x0040) #define _CLIF_STRICT_NOEQUAL (0x0080) #define CLIF_NOEQUAL (CLIF_MAY_NOEQUAL|_CLIF_STRICT_NOEQUAL) #define CLIF_MAY_KEYWORD (0x0100) #define _CLIF_STRICT_KEYWORD (0x0200) #define CLIF_KEYWORD (CLIF_MAY_KEYWORD|_CLIF_STRICT_KEYWORD) #define CLIF_MAY_ONEDASH (0x0400) #define _CLIF_STRICT_ONEDASH (0x0800) #define CLIF_ONEDASH (CLIF_MAY_ONEDASH|_CLIF_STRICT_ONEDASH) #define CLIF_OPTARG (0x1000) /* allow missing optarg */ #define CLIF_ABBREV (0x2000) /* allow long opt abbreviation */ #define CLIF_SEVERAL (0x4000) /* several args in one opt`s arg */ /* affected only by common `parse_flags' arg of CLIF_parse_cmdline() . */ #define CLIF_HELP_EMPTY (0x10000) /* print help on empty cmdline */ #define CLIF_POSIX (0x20000) /* follow POSIX standard */ #define CLIF_FIRST_GROUP (0x40000) /* first arg - options` group */ #define CLIF_STRICT_EXCL (0x80000) /* at least one exclusive */ #define CLIF_SILENT (0x100000) /* no errors on stderr */ #define CLIF_MIN_ABBREV 2 /* a minimal match length in abbrev */ extern int CLIF_parse (int argc, char **argv, CLIF_option *option_list, CLIF_argument *arg_list, unsigned int parse_flags); /* history compatibility... */ #define CLIF_parse_cmdline(ARGC,ARGV,OPTN,ARGS,FLAGS) \ CLIF_parse (ARGC, ARGV, OPTN, ARGS, FLAGS) extern void CLIF_print_options (const char *header, const CLIF_option *option_list); extern void CLIF_print_arguments (const char *header, const CLIF_argument *argument_list); extern void CLIF_print_usage (const char *header, const char *progname, const CLIF_option *option_list, const CLIF_argument *argument_list); extern int CLIF_current_help (void); /* Common useful option handlers. */ extern int CLIF_version_handler (CLIF_option *optn, char *arg); extern int CLIF_set_flag (CLIF_option *optn, char *arg); extern int CLIF_unset_flag (CLIF_option *optn, char *arg); extern int CLIF_set_string (CLIF_option *optn, char *arg); extern int CLIF_set_int (CLIF_option *optn, char *arg); extern int CLIF_set_uint (CLIF_option *optn, char *arg); extern int CLIF_set_double (CLIF_option *optn, char *arg); extern int CLIF_call_func (CLIF_option *optn, char *arg); extern int CLIF_arg_string (CLIF_argument *argm, char *arg, int index); extern int CLIF_arg_int (CLIF_argument *argm, char *arg, int index); extern int CLIF_arg_uint (CLIF_argument *argm, char *arg, int index); extern int CLIF_arg_double (CLIF_argument *argm, char *arg, int index); extern int CLIF_arg_func (CLIF_argument *argm, char *arg, int index); /* Some useful macros. */ #define CLIF_HELP_OPTION \ { 0, "help", 0, "Read this help and exit", \ CLIF_call_func, CLIF_current_help, 0, CLIF_EXTRA | CLIF_EXIT } #define CLIF_VERSION_OPTION(STR) \ { "V", "version", 0, "Print version info and exit", \ CLIF_version_handler, STR, 0, CLIF_EXTRA | CLIF_EXIT } #endif /* _CLIF_H */