*
* NOTMUCH_STATUS_SUCCESS: No error occurred.
*
+ * XXX: We don't really want to expose this lame XAPIAN_EXCEPTION
+ * value. Instead we should map to things like DATABASE_LOCKED or
+ * whatever.
+ *
* NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred
*
+ * NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to read or
+ * write to a file (this could be file not found, permission
+ * denied, etc.)
+ *
* NOTMUCH_STATUS_FILE_NOT_EMAIL: A file was presented that doesn't
* appear to be an email message.
+ *
+ * NOTMUCH_STATUS_NULL_POINTER: The user erroneously passed a NULL
+ * pointer to a notmuch function.
+ *
+ * NOTMUCH_STATUS_TAG_TOO_LONG: A tag value is too long.
+ *
+ * NOTMUCH_STATUS_LAST_STATUS: Not an actual status value. Just a way
+ * to find out how many valid status values there are.
*/
typedef enum _notmuch_status {
NOTMUCH_STATUS_SUCCESS = 0,
NOTMUCH_STATUS_XAPIAN_EXCEPTION,
- NOTMUCH_STATUS_FILE_NOT_EMAIL
+ NOTMUCH_STATUS_FILE_ERROR,
+ NOTMUCH_STATUS_FILE_NOT_EMAIL,
+ NOTMUCH_STATUS_NULL_POINTER,
+ NOTMUCH_STATUS_TAG_TOO_LONG,
+
+ NOTMUCH_STATUS_LAST_STATUS
} notmuch_status_t;
+/* Get a string representation of a notmuch_status_t value.
+ *
+ * The result is readonly.
+ */
+const char *
+notmuch_status_to_string (notmuch_status_t status);
+
/* Various opaque data types. For each notmuch_<foo>_t see the various
* notmuch_<foo> functions below. */
typedef struct _notmuch_database notmuch_database_t;
*
* NOTMUCH_STATUS_SUCCESS: Message successfully added to database.
*
+ * NOTMUCH_STATUS_FILE_ERROR: an error occurred trying to open the
+ * file, (such as permission denied, or file not found,
+ * etc.). Nothing added to the database.
+ *
* NOTMUCH_STATUS_FILE_NOT_EMAIL: the contents of filename don't look
* like an email message. Nothing added to the database.
*/
notmuch_database_add_message (notmuch_database_t *database,
const char *filename);
+/* Find a message with the given messsage_id.
+ *
+ * If the database contains a message with the given message_id, then
+ * a new notmuch_message_t object is returned. The caller should call
+ * notmuch_message_destroy when done with the message.
+ *
+ * If no message is found with the given message_id, this function
+ * returns NULL.
+ */
+notmuch_message_t *
+notmuch_database_find_message (notmuch_database_t *database,
+ const char *message_id);
+
/* Create a new query for 'database'.
*
* Here, 'database' should be an open database, (see
* {
* message = notmuch_results_get (results);
* ....
+ * notmuch_message_destroy (message);
* }
*
* notmuch_query_destroy (query);
*
- * Note that there's no explicit destructor needed for the
- * notmuch_results_t object.
+ * Note: If you are finished with a message before its containing
+ * query, you can call notmuch_message_destroy to clean up some memory
+ * sooner (as in the above example). Otherwise, if your message
+ * objects are long-lived, then you don't need to call
+ * notmuch_message_destroy and all the memory will still be reclaimed
+ * when the query is destroyed.
*
- * (For consistency, we do provide a notmuch_results_destroy function,
- * but there's no point in calling it if you're about to destroy the
- * query object as well too---either call will free all the memory of
- * the results).
+ * Note that there's no explicit destructor needed for the
+ * notmuch_results_t object. (For consistency, we do provide a
+ * notmuch_results_destroy function, but there's no good reason to
+ * call it if the query is about to be destroyed).
*/
notmuch_results_t *
notmuch_query_search (notmuch_query_t *query);
notmuch_thread_ids_t *
notmuch_message_get_thread_ids (notmuch_message_t *message);
+/* The longest possible tag value. */
+#define NOTMUCH_TAG_MAX 200
+
+/* Add a tag to the given message.
+ *
+ * Return value:
+ *
+ * NOTMUCH_STATUS_SUCCESS: Tag successfully added to message
+ *
+ * NOTMUCH_STATUS_NULL_POINTER: The 'tag' argument is NULL
+ *
+ * NOTMUCH_STATUS_TAG_TOO_LONG: The length of 'tag' is longer than
+ * too long (exceeds NOTMUCH_TAG_MAX)
+ */
+notmuch_status_t
+notmuch_message_add_tag (notmuch_message_t *message, const char *tag);
+
+/* Remove a tag from the given message.
+ *
+ * Return value:
+ *
+ * NOTMUCH_STATUS_SUCCESS: Tag successfully added to message
+ *
+ * NOTMUCH_STATUS_NULL_POINTER: The 'tag' argument is NULL
+ *
+ * NOTMUCH_STATUS_TAG_TOO_LONG: The length of 'tag' is longer than
+ * too long (exceeds NOTMUCH_TAG_MAX)
+ */
+notmuch_status_t
+notmuch_message_remove_tag (notmuch_message_t *message, const char *tag);
+
/* Destroy a notmuch_message_t object.
*
* It can be useful to call this function in the case of a single
void
notmuch_message_destroy (notmuch_message_t *message);
-/* Does the given notmuch_tags_t object contain any more results.
+/* Does the given notmuch_tags_t object contain any more tags.
*
* When this function returns TRUE, notmuch_tags_get will return a
* valid string. Whereas when this function returns FALSE,
notmuch_bool_t
notmuch_tags_has_more (notmuch_tags_t *tags);
-/* Get the current result from 'tags' as a string.
+/* Get the current tag from 'tags' as a string.
*
* Note: The returned string belongs to 'tags' and has a lifetime
* identical to it (and the query to which it utlimately belongs).
* showing how to iterate over a notmuch_tags_t object.
*/
void
-notmuch_tags_advance (notmuch_tags_t *results);
+notmuch_tags_advance (notmuch_tags_t *tags);
/* Destroy a notmuch_tags_t object.
*