#ifndef NOTMUCH_OPTS_H
#define NOTMUCH_OPTS_H
-#include "notmuch.h"
+#include <stdbool.h>
-enum notmuch_opt_type {
- NOTMUCH_OPT_END = 0,
- NOTMUCH_OPT_BOOLEAN, /* --verbose */
- NOTMUCH_OPT_INT, /* --frob=8 */
- NOTMUCH_OPT_KEYWORD, /* --format=raw|json|text */
- NOTMUCH_OPT_STRING, /* --file=/tmp/gnarf.txt */
- NOTMUCH_OPT_POSITION /* notmuch dump pos_arg */
-};
+#include "notmuch.h"
/*
* Describe one of the possibilities for a keyword option
int value;
} notmuch_keyword_t;
-/*
- * Describe one option.
- *
- * First two parameters are mandatory.
- *
- * name is mandatory _except_ for positional arguments.
- *
- * arg_id is currently unused, but could define short arguments.
- *
- * keywords is a (possibly NULL) pointer to an array of keywords
- */
+/* Describe one option. */
typedef struct notmuch_opt_desc {
- enum notmuch_opt_type opt_type;
- void *output_var;
+ /* 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;
- int arg_id;
- const struct notmuch_keyword *keywords;
-} notmuch_opt_desc_t;
-
-/*
- This is the main entry point for command line argument parsing.
+ /* Optional, if non-NULL, set to true if the option is present. */
+ bool *present;
- Parse command line arguments according to structure options,
- starting at position opt_index.
+ /* Optional, allow empty strings for opt_string. */
+ bool allow_empty;
- 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.
+ /* Must be set for opt_keyword and opt_flags. */
+ const struct notmuch_keyword *keywords;
+} notmuch_opt_desc_t;
- Returns the index of first non-parsed argument, or -1 in case of error.
-*/
+/*
+ * 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);
* functions.
*/
-notmuch_bool_t
-parse_option (const char *arg, const notmuch_opt_desc_t* options);
+int
+parse_option (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_index);
-notmuch_bool_t
+bool
parse_position_arg (const char *arg,
int position_arg_index,
- const notmuch_opt_desc_t* options);
+ const notmuch_opt_desc_t *options);
#endif