mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-25 04:18:08 +01:00
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
#ifndef NOTMUCH_OPTS_H
|
|
#define NOTMUCH_OPTS_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "notmuch.h"
|
|
|
|
/*
|
|
* Describe one of the possibilities for a keyword option
|
|
* 'value' will be copied to the output variable
|
|
*/
|
|
|
|
typedef struct notmuch_keyword {
|
|
const char *name;
|
|
int value;
|
|
} notmuch_keyword_t;
|
|
|
|
/* Describe one option. */
|
|
typedef struct notmuch_opt_desc {
|
|
/* One and only one of opt_* must be set. */
|
|
const struct notmuch_opt_desc *opt_inherit;
|
|
bool *opt_bool;
|
|
int *opt_int;
|
|
int *opt_keyword;
|
|
int *opt_flags;
|
|
const char **opt_string;
|
|
const char **opt_position;
|
|
|
|
/* for opt_keyword only: if no matching arguments were found, and
|
|
* keyword_no_arg_value is set, then use keyword_no_arg_value instead. */
|
|
const char *keyword_no_arg_value;
|
|
|
|
/* Must be set except for opt_inherit and opt_position. */
|
|
const char *name;
|
|
|
|
/* Optional, if non-NULL, set to true if the option is present. */
|
|
bool *present;
|
|
|
|
/* Optional, allow empty strings for opt_string. */
|
|
bool allow_empty;
|
|
|
|
/* Must be set for opt_keyword and opt_flags. */
|
|
const struct notmuch_keyword *keywords;
|
|
} notmuch_opt_desc_t;
|
|
|
|
|
|
/*
|
|
This is the main entry point for command line argument parsing.
|
|
|
|
Parse command line arguments according to structure options,
|
|
starting at position opt_index.
|
|
|
|
All output of parsed values is via pointers in options.
|
|
|
|
Parsing stops at -- (consumed) or at the (k+1)st argument
|
|
not starting with -- (a "positional argument") if options contains
|
|
k positional argument descriptors.
|
|
|
|
Returns the index of first non-parsed argument, or -1 in case of error.
|
|
|
|
*/
|
|
int
|
|
parse_arguments (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_index);
|
|
|
|
/*
|
|
* If the argument parsing loop provided by parse_arguments is not
|
|
* flexible enough, then the user might be interested in the following
|
|
* routines, but note that the API to parse_option might have to
|
|
* change. See command-line-arguments.c for descriptions of these
|
|
* functions.
|
|
*/
|
|
|
|
int
|
|
parse_option (int argc, char **argv, const notmuch_opt_desc_t* options, int opt_index);
|
|
|
|
bool
|
|
parse_position_arg (const char *arg,
|
|
int position_arg_index,
|
|
const notmuch_opt_desc_t* options);
|
|
|
|
|
|
#endif
|