X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fmessage.cc;h=23266c1af90f5823d9adf95d959f7ad3d8bbd310;hp=d5db89b6606c7da011c2a80c5ce460f769f32650;hb=9b568e73e1afc211306d18dac3d27df4a07a0fdd;hpb=6a9626a2fdddf6115bcf97982fd10053bf48e942

diff --git a/lib/message.cc b/lib/message.cc
index d5db89b6..23266c1a 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -268,7 +268,7 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch,
 
 	doc_id = _notmuch_database_generate_doc_id (notmuch);
     } catch (const Xapian::Error &error) {
-	_notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred creating message: %s\n",
+	_notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred creating message: %s\n",
 		 error.get_msg().c_str());
 	notmuch->exception_reported = true;
 	*status_ret = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
@@ -318,6 +318,23 @@ _notmuch_message_get_term (notmuch_message_t *message,
     return value;
 }
 
+/*
+ * For special applications where we only want the thread id, reading
+ * in all metadata is a heavy I/O penalty.
+ */
+const char *
+_notmuch_message_get_thread_id_only (notmuch_message_t *message)
+{
+
+    Xapian::TermIterator i = message->doc.termlist_begin ();
+    Xapian::TermIterator end = message->doc.termlist_end ();
+
+    message->thread_id = _notmuch_message_get_term (message, i, end,
+						    _find_prefix ("thread"));
+    return message->thread_id;
+}
+
+
 static void
 _notmuch_message_ensure_metadata (notmuch_message_t *message, void *field)
 {
@@ -495,7 +512,7 @@ _notmuch_message_ensure_message_file (notmuch_message_t *message)
 	return;
 
     message->message_file = _notmuch_message_file_open_ctx (
-	_notmuch_message_database (message), message, filename);
+	notmuch_message_get_database (message), message, filename);
 }
 
 const char *
@@ -525,7 +542,7 @@ notmuch_message_get_header (notmuch_message_t *message, const char *header)
 		return talloc_strdup (message, value.c_str ());
 
 	} catch (Xapian::Error &error) {
-	    _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred when reading header: %s\n",
+	    _notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred when reading header: %s\n",
 		     error.get_msg().c_str());
 	    message->notmuch->exception_reported = true;
 	    return NULL;
@@ -571,6 +588,58 @@ _notmuch_message_add_reply (notmuch_message_t *message,
     _notmuch_message_list_add_message (message->replies, reply);
 }
 
+static int
+_cmpmsg (const void *pa, const void *pb)
+{
+    notmuch_message_t **a = (notmuch_message_t **) pa;
+    notmuch_message_t **b = (notmuch_message_t **) pb;
+    time_t time_a = notmuch_message_get_date (*a);
+    time_t time_b = notmuch_message_get_date (*b);
+
+    if (time_a == time_b)
+	return 0;
+    else if (time_a < time_b)
+	return -1;
+    else
+	return 1;
+}
+
+notmuch_message_list_t *
+_notmuch_message_sort_subtrees (void *ctx, notmuch_message_list_t *list)
+{
+
+    size_t count = 0;
+    size_t capacity = 16;
+
+    if (! list)
+	return list;
+
+    void *local = talloc_new (NULL);
+    notmuch_message_list_t *new_list = _notmuch_message_list_create (ctx);
+    notmuch_message_t **message_array = talloc_zero_array (local, notmuch_message_t *, capacity);
+
+    for (notmuch_messages_t *messages = _notmuch_messages_create (list);
+	 notmuch_messages_valid (messages);
+	 notmuch_messages_move_to_next (messages)) {
+	notmuch_message_t *root = notmuch_messages_get (messages);
+	if (count >= capacity) {
+	    capacity *= 2;
+	    message_array = talloc_realloc (local, message_array, notmuch_message_t *, capacity);
+	}
+	message_array[count++] = root;
+	root->replies = _notmuch_message_sort_subtrees (root, root->replies);
+    }
+
+    qsort (message_array, count, sizeof (notmuch_message_t *), _cmpmsg);
+    for (size_t i = 0; i < count; i++) {
+	_notmuch_message_list_add_message (new_list, message_array[i]);
+    }
+
+    talloc_free (local);
+    talloc_free (list);
+    return new_list;
+}
+
 notmuch_messages_t *
 notmuch_message_get_replies (notmuch_message_t *message)
 {
@@ -646,7 +715,7 @@ _notmuch_message_remove_indexed_terms (notmuch_message_t *message)
 	    notmuch_database_t *notmuch = message->notmuch;
 
 	    if (!notmuch->exception_reported) {
-		_notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred creating message: %s\n",
+		_notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred creating message: %s\n",
 				      error.get_msg().c_str());
 		notmuch->exception_reported = true;
 	    }
@@ -1042,7 +1111,7 @@ notmuch_message_get_date (notmuch_message_t *message)
     try {
 	value = message->doc.get_value (NOTMUCH_VALUE_TIMESTAMP);
     } catch (Xapian::Error &error) {
-	_notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred when reading date: %s\n",
+	_notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred when reading date: %s\n",
 		 error.get_msg().c_str());
 	message->notmuch->exception_reported = true;
 	return 0;
@@ -1908,7 +1977,7 @@ notmuch_message_destroy (notmuch_message_t *message)
 }
 
 notmuch_database_t *
-_notmuch_message_database (notmuch_message_t *message)
+notmuch_message_get_database (const notmuch_message_t *message)
 {
     return message->notmuch;
 }
@@ -1985,7 +2054,7 @@ notmuch_message_reindex (notmuch_message_t *message,
     /* strdup it because the metadata may be invalidated */
     orig_thread_id = talloc_strdup (message, orig_thread_id);
 
-    notmuch = _notmuch_message_database (message);
+    notmuch = notmuch_message_get_database (message);
 
     ret = _notmuch_database_ensure_writable (notmuch);
     if (ret)