X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=message.cc;h=6e15b51118be82b960fb13aae667241fdbf36048;hp=f3e39b4b7f2366e711a8a7c8bf892dfbc80f8cc8;hb=5eaec1e31679d2a1a9ea3b32fb306ad67ee1a936;hpb=2affed0851d85a08f6b0700f7128f97cae6b6024

diff --git a/message.cc b/message.cc
index f3e39b4b..6e15b511 100644
--- a/message.cc
+++ b/message.cc
@@ -18,7 +18,7 @@
  * Author: Carl Worth <cworth@cworth.org>
  */
 
-#include "notmuch-private-cxx.h"
+#include "notmuch-private.h"
 #include "database-private.h"
 
 #include <xapian.h>
@@ -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)
 {
@@ -289,8 +317,38 @@ notmuch_message_get_filename (notmuch_message_t *message)
 notmuch_tags_t *
 notmuch_message_get_tags (notmuch_message_t *message)
 {
-    return _notmuch_terms_create_type (message, message->doc, "tag",
-				       notmuch_tags_t);
+    const char *prefix = _find_prefix ("tag");
+    Xapian::TermIterator i, end;
+    notmuch_tags_t *tags;
+    std::string tag;
+
+    /* Currently this iteration is written with the assumption that
+     * "tag" has a single-character prefix. */
+    assert (strlen (prefix) == 1);
+
+    tags = _notmuch_tags_create (message);
+    if (unlikely (tags == NULL))
+	return NULL;
+
+    i = message->doc.termlist_begin ();
+    end = message->doc.termlist_end ();
+
+    i.skip_to (prefix);
+
+    while (1) {
+	tag = *i;
+
+	if (tag.empty () || tag[0] != *prefix)
+	    break;
+
+	_notmuch_tags_add_tag (tags, tag.c_str () + 1);
+
+	i++;
+    }
+
+    _notmuch_tags_prepare_iterator (tags);
+
+    return tags;
 }
 
 void
@@ -431,7 +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;
 }
@@ -453,11 +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)
 {