Update prefix so that "thread:" can be used in search strings.

[notmuch] / message.cc

diff --git a/message.cc b/message.cc
index b95f9d7f4993d4bc94d9f7e7fa583aa0ae699e38..6e15b51118be82b960fb13aae667241fdbf36048 100644 (file)
--- a/message.cc
+++ b/message.cc
@@ -26,13 +26,14 @@
 struct _notmuch_message {
     notmuch_database_t *notmuch;
     Xapian::docid doc_id;
+    int frozen;
     char *message_id;
     char *thread_id;
     char *filename;
+    notmuch_message_file_t *message_file;
     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)
@@ -98,9 +99,14 @@ _notmuch_message_create (const void *talloc_owner,
 
     message->notmuch = notmuch;
     message->doc_id = doc_id;
-    message->message_id = NULL; /* lazily created */
-    message->thread_id = NULL; /* lazily created */
-    message->filename = NULL; /* lazily created */
+
+    message->frozen = 0;
+
+    /* Each of these will be lazily created as needed. */
+    message->message_id = NULL;
+    message->thread_id = NULL;
+    message->filename = NULL;
+    message->message_file = NULL;
 
     /* This is C++'s creepy "placement new", which is really just an
      * ugly way to call a constructor for a pre-allocated object. So
@@ -224,6 +230,28 @@ notmuch_message_get_message_id (notmuch_message_t *message)
     return message->message_id;
 }
 
+const char *
+_notmuch_message_get_subject (notmuch_message_t *message)
+{
+    if (! message->message_file) {
+       notmuch_message_file_t *message_file;
+       const char *filename;
+
+       filename = notmuch_message_get_filename (message);
+       if (unlikely (filename == NULL))
+           return NULL;
+
+       message_file = _notmuch_message_file_open_ctx (message, filename);
+       if (unlikely (message_file == NULL))
+           return NULL;
+
+       message->message_file = message_file;
+    }
+
+    return notmuch_message_file_get_header (message->message_file,
+                                           "subject");
+}
+
 const char *
 notmuch_message_get_thread_id (notmuch_message_t *message)
 {
@@ -318,9 +346,7 @@ notmuch_message_get_tags (notmuch_message_t *message)
        i++;
     }
 
-    _notmuch_tags_sort (tags);
-
-    _notmuch_tags_reset (tags);
+    _notmuch_tags_prepare_iterator (tags);
 
     return tags;
 }
@@ -463,7 +489,8 @@ 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;
 }
@@ -485,11 +512,55 @@ 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)
 {