add_message: Add an optional parameter for getting the just-added message.

[notmuch] / message.cc

diff --git a/message.cc b/message.cc
index 7fef60a532e7db43e4ef8711aaf58e410c67c352..6b6141f33fa4dbbd423866c77b1e9eb7c4dfaf6a 100644 (file)
--- 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>
@@ -29,6 +29,7 @@ struct _notmuch_message {
     char *message_id;
     char *thread_id;
     char *filename;
+    notmuch_message_file_t *message_file;
     Xapian::Document doc;
 };
 
@@ -98,9 +99,12 @@ _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 */
+
+    /* 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 +228,28 @@ 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)
 {
@@ -289,7 +315,38 @@ notmuch_message_get_filename (notmuch_message_t *message)
 notmuch_tags_t *
 notmuch_message_get_tags (notmuch_message_t *message)
 {
-    return _notmuch_tags_create_terms (message, message->doc, "tag");
+    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