TODO: Remove a couple of since-completed items.

[notmuch] / message.cc

diff --git a/message.cc b/message.cc
index 6b6141f33fa4dbbd423866c77b1e9eb7c4dfaf6a..66747b5c0aedd38e40b02d128ba7040826cd061f 100644 (file)
--- a/message.cc
+++ b/message.cc
@@ -26,6 +26,7 @@
 struct _notmuch_message {
     notmuch_database_t *notmuch;
     Xapian::docid doc_id;
+    int frozen;
     char *message_id;
     char *thread_id;
     char *filename;
@@ -33,7 +34,6 @@ struct _notmuch_message {
     Xapian::Document doc;
 };
 
-
 /* "128 bits of thread-id ought to be enough for anybody" */
 #define NOTMUCH_THREAD_ID_BITS  128
 #define NOTMUCH_THREAD_ID_DIGITS (NOTMUCH_THREAD_ID_BITS / 4)
@@ -100,6 +100,8 @@ _notmuch_message_create (const void *talloc_owner,
     message->notmuch = notmuch;
     message->doc_id = doc_id;
 
+    message->frozen = 0;
+
     /* Each of these will be lazily created as needed. */
     message->message_id = NULL;
     message->thread_id = NULL;
@@ -463,7 +465,14 @@ _notmuch_message_remove_term (notmuch_message_t *message,
     if (strlen (term) > NOTMUCH_TERM_MAX)
        return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
 
-    message->doc.remove_term (term);
+    try {
+       message->doc.remove_term (term);
+    } catch (const Xapian::InvalidArgumentError) {
+       /* We'll let the philosopher's try to wrestle with the
+        * question of whether failing to remove that which was not
+        * there in the first place is failure. For us, we'll silently
+        * consider it all good. */
+    }
 
     talloc_free (term);
 
@@ -487,7 +496,8 @@ notmuch_message_add_tag (notmuch_message_t *message, const char *tag)
                        status);
     }
 
-    _notmuch_message_sync (message);
+    if (! message->frozen)
+       _notmuch_message_sync (message);
 
     return NOTMUCH_STATUS_SUCCESS;
 }
@@ -509,11 +519,55 @@ notmuch_message_remove_tag (notmuch_message_t *message, const char *tag)
                        status);
     }
 
-    _notmuch_message_sync (message);
+    if (! message->frozen)
+       _notmuch_message_sync (message);
 
     return NOTMUCH_STATUS_SUCCESS;
 }
 
+void
+notmuch_message_remove_all_tags (notmuch_message_t *message)
+{
+    notmuch_private_status_t status;
+    notmuch_tags_t *tags;
+    const char *tag;
+
+    for (tags = notmuch_message_get_tags (message);
+        notmuch_tags_has_more (tags);
+        notmuch_tags_advance (tags))
+    {
+       tag = notmuch_tags_get (tags);
+
+       status = _notmuch_message_remove_term (message, "tag", tag);
+       if (status) {
+           INTERNAL_ERROR ("_notmuch_message_remove_term return unexpected value: %d\n",
+                           status);
+       }
+    }
+
+    if (! message->frozen)
+       _notmuch_message_sync (message);
+}
+
+void
+notmuch_message_freeze (notmuch_message_t *message)
+{
+    message->frozen++;
+}
+
+notmuch_status_t
+notmuch_message_thaw (notmuch_message_t *message)
+{
+    if (message->frozen > 0) {
+       message->frozen--;
+       if (message->frozen == 0)
+           _notmuch_message_sync (message);
+       return NOTMUCH_STATUS_SUCCESS;
+    } else {
+       return NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW;
+    }
+}
+
 void
 notmuch_message_destroy (notmuch_message_t *message)
 {