#define ARGPAR_ASSERT(_cond) assert(_cond)
-#ifdef __MINGW_PRINTF_FORMAT
-# define ARGPAR_PRINTF_FORMAT __MINGW_PRINTF_FORMAT
-#else
-# define ARGPAR_PRINTF_FORMAT printf
-#endif
-
/*
* An argpar iterator.
*
* Data provided by the user to argpar_iter_create(); immutable
* afterwards.
*/
- unsigned int argc;
- const char * const *argv;
- const struct argpar_opt_descr *descrs;
+ struct {
+ unsigned int argc;
+ const char * const *argv;
+ const struct argpar_opt_descr *descrs;
+ } user;
/*
* Index of the argument to process in the next
return;
}
+/*
+ * Creates and returns an option parsing item for the descriptor `descr`
+ * and having the argument `arg` (copied; may be `NULL`).
+ *
+ * Returns `NULL` on memory error.
+ */
static
struct argpar_item_opt *create_opt_item(
const struct argpar_opt_descr * const descr,
return opt_item;
}
+/*
+ * Creates and returns a non-option parsing item for the original
+ * argument `arg` having the original index `orig_index` and the
+ * non-option index `non_opt_index`.
+ *
+ * Returns `NULL` on memory error.
+ */
static
struct argpar_item_non_opt *create_non_opt_item(const char * const arg,
const unsigned int orig_index,
if (unknown_opt_name) {
(*error)->unknown_opt_name = ARGPAR_CALLOC(char,
- strlen(unknown_opt_name) + 1 + is_short ? 1 : 2);
+ strlen(unknown_opt_name) + 1 + (is_short ? 1 : 2));
if (!(*error)->unknown_opt_name) {
goto error;
}
}
}
+/*
+ * Finds and returns the _first_ descriptor having the short option name
+ * `short_name` or the long option name `long_name` within the option
+ * descriptors `descrs`.
+ *
+ * `short_name` may be `'\0'` to not consider it.
+ *
+ * `long_name` may be `NULL` to not consider it.
+ *
+ * Returns `NULL` if no descriptor is found.
+ */
static
const struct argpar_opt_descr *find_descr(
const struct argpar_opt_descr * const descrs,
return !descr->short_name && !descr->long_name ? NULL : descr;
}
+/* Return type of parse_short_opt_group() and parse_long_opt() */
enum parse_orig_arg_opt_ret {
PARSE_ORIG_ARG_OPT_RET_OK,
PARSE_ORIG_ARG_OPT_RET_ERROR_UNKNOWN_OPT = -1,
PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY = -5,
};
+/*
+ * Parses the short option group argument `short_opt_group`, starting
+ * where needed depending on the state of `iter`.
+ *
+ * On success, sets `*item`.
+ *
+ * On error (except for `PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY`), sets
+ * `*error`.
+ */
static
enum parse_orig_arg_opt_ret parse_short_opt_group(
const char * const short_opt_group,
return ret;
}
+/*
+ * Parses the long option argument `long_opt_arg`.
+ *
+ * On success, sets `*item`.
+ *
+ * On error (except for `PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY`), sets
+ * `*error`.
+ */
static
enum parse_orig_arg_opt_ret parse_long_opt(const char * const long_opt_arg,
const char * const next_orig_arg,
return ret;
}
+/*
+ * Parses the original argument `orig_arg`.
+ *
+ * On success, sets `*item`.
+ *
+ * On error (except for `PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY`), sets
+ * `*error`.
+ */
static
enum parse_orig_arg_opt_ret parse_orig_arg_opt(const char * const orig_arg,
const char * const next_orig_arg,
goto end;
}
- iter->argc = argc;
- iter->argv = argv;
- iter->descrs = descrs;
+ iter->user.argc = argc;
+ iter->user.argv = argv;
+ iter->user.descrs = descrs;
iter->tmp_buf.size = 128;
iter->tmp_buf.data = ARGPAR_CALLOC(char, iter->tmp_buf.size);
if (!iter->tmp_buf.data) {
const char *next_orig_arg;
struct argpar_error ** const nc_error = (struct argpar_error **) error;
- ARGPAR_ASSERT(iter->i <= iter->argc);
+ ARGPAR_ASSERT(iter->i <= iter->user.argc);
if (error) {
*nc_error = NULL;
}
- if (iter->i == iter->argc) {
+ if (iter->i == iter->user.argc) {
status = ARGPAR_ITER_NEXT_STATUS_END;
goto end;
}
- orig_arg = iter->argv[iter->i];
+ orig_arg = iter->user.argv[iter->i];
next_orig_arg =
- iter->i < (iter->argc - 1) ? iter->argv[iter->i + 1] : NULL;
+ iter->i < (iter->user.argc - 1) ?
+ iter->user.argv[iter->i + 1] : NULL;
if (strcmp(orig_arg, "-") == 0 || strcmp(orig_arg, "--") == 0 ||
orig_arg[0] != '-') {
/* Option argument */
parse_orig_arg_opt_ret = parse_orig_arg_opt(orig_arg,
- next_orig_arg, iter->descrs, iter, nc_error,
+ next_orig_arg, iter->user.descrs, iter, nc_error,
(struct argpar_item **) item);
switch (parse_orig_arg_opt_ret) {
case PARSE_ORIG_ARG_OPT_RET_OK: