X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2Fnotmuch.h;h=c05e802d584e798d9a78c9802bb0b8b8f7e4acb9;hb=f8baa023353e8d45a1a2bb90ab12d4ad38765ad9;hp=cc713a3309af6d3a44d0e4bbeca315a8caa84bb0;hpb=2ce25b93a72b4a8d6daa5321f9ef7df0772a789f;p=notmuch

diff --git a/lib/notmuch.h b/lib/notmuch.h
index cc713a33..c05e802d 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -86,6 +86,7 @@ typedef int notmuch_bool_t;
 typedef enum _notmuch_status {
     NOTMUCH_STATUS_SUCCESS = 0,
     NOTMUCH_STATUS_OUT_OF_MEMORY,
+    NOTMUCH_STATUS_READONLY_DATABASE,
     NOTMUCH_STATUS_XAPIAN_EXCEPTION,
     NOTMUCH_STATUS_FILE_ERROR,
     NOTMUCH_STATUS_FILE_NOT_EMAIL,
@@ -136,6 +137,11 @@ typedef struct _notmuch_tags notmuch_tags_t;
 notmuch_database_t *
 notmuch_database_create (const char *path);
 
+typedef enum {
+    NOTMUCH_DATABASE_MODE_READ_ONLY = 0,
+    NOTMUCH_DATABASE_MODE_READ_WRITE
+} notmuch_database_mode_t;
+
 /* XXX: I think I'd like this to take an extra argument of
  * notmuch_status_t* for returning a status value on failure. */
 
@@ -143,7 +149,9 @@ notmuch_database_create (const char *path);
  *
  * The database should have been created at some time in the past,
  * (not necessarily by this process), by calling
- * notmuch_database_create with 'path'.
+ * notmuch_database_create with 'path'. By default the database should be
+ * opened for reading only. In order to write to the database you need to
+ * pass the NOTMUCH_DATABASE_MODE_WRITABLE mode.
  *
  * An existing notmuch database can be identified by the presence of a
  * directory named ".notmuch" below 'path'.
@@ -155,7 +163,8 @@ notmuch_database_create (const char *path);
  * an error message on stderr).
  */
 notmuch_database_t *
-notmuch_database_open (const char *path);
+notmuch_database_open (const char *path,
+		       notmuch_database_mode_t mode);
 
 /* Close the given notmuch database, freeing all associated
  * resources. See notmuch_database_open. */
@@ -271,6 +280,16 @@ notmuch_message_t *
 notmuch_database_find_message (notmuch_database_t *database,
 			       const char *message_id);
 
+/* Return a list of all tags found in the database.
+ *
+ * This function creates a list of all tags found in the database. The
+ * resulting list contains all tags from all messages found in the database.
+ *
+ * On error this function returns NULL.
+ */
+notmuch_tags_t *
+notmuch_database_get_all_tags (notmuch_database_t *db);
+
 /* Create a new query for 'database'.
  *
  * Here, 'database' should be an open database, (see
@@ -313,14 +332,6 @@ notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort);
  * object is owned by the query and as such, will only be valid until
  * notmuch_query_destroy.
  *
- * The 'first' and 'max_threads' arguments can be used to obtain
- * partial results from the search. For example, to get results 10 at
- * a time, pass 'max_threads' as 10 and for 'first' pass the values 0,
- * 10, 20, etc. As a special case, a value of -1 for 'max_threads'
- * indicates that no limiting is to be performed. So a search with
- * 'first' == 0 and 'max_threads' == -1 will return the complete
- * results of the search.
- *
  * Typical usage might be:
  *
  *     notmuch_query_t *query;
@@ -353,22 +364,13 @@ notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort);
  * to call it if the query is about to be destroyed).
  */
 notmuch_threads_t *
-notmuch_query_search_threads (notmuch_query_t *query,
-			      int first, int max_threads);
+notmuch_query_search_threads (notmuch_query_t *query);
 
 /* Execute a query for messages, returning a notmuch_messages_t object
  * which can be used to iterate over the results. The returned
  * messages object is owned by the query and as such, will only be
  * valid until notmuch_query_destroy.
  *
- * The 'first' and 'max_messages' arguments can be used to obtain
- * partial results from the search. For example, to get results 10 at
- * a time, pass 'max_messages' as 10 and for 'first' pass the values
- * 0, 10, 20, etc. As a special case, a value of -1 for 'max_messages'
- * indicates that no limiting is to be performed. So a search with
- * 'first' == 0 and 'max_messages' == -1 will return the complete
- * results of the search.
- *
  * Typical usage might be:
  *
  *     notmuch_query_t *query;
@@ -401,8 +403,7 @@ notmuch_query_search_threads (notmuch_query_t *query,
  * reason to call it if the query is about to be destroyed).
  */
 notmuch_messages_t *
-notmuch_query_search_messages (notmuch_query_t *query,
-			       int first, int max_messages);
+notmuch_query_search_messages (notmuch_query_t *query);
 
 /* Destroy a notmuch_query_t along with any associated resources.
  *
@@ -459,6 +460,14 @@ notmuch_threads_advance (notmuch_threads_t *threads);
 void
 notmuch_threads_destroy (notmuch_threads_t *threads);
 
+/* Return an estimate of the number of messages matching a search
+ *
+ * This function performs a search and returns Xapian's best
+ * guess as to number of matching messages.
+ */
+unsigned
+notmuch_query_count_messages (notmuch_query_t *query);
+ 
 /* Get the thread ID of 'thread'.
  *
  * The returned string belongs to 'thread' and as such, should not be