static gint64
get_num_field (MuMsg *self, MuMsgFieldId mfid)
{
guint64 val;
/* first try the cache */
if (mu_msg_cache_cached (self->_cache, mfid))
return mu_msg_cache_num (self->_cache, mfid);
/* if it's not in the cache but it is a value retrievable from
* the doc backend, use that */
val = -1;
if (self->_doc && mu_msg_field_xapian_value (mfid))
val = mu_msg_doc_get_num_field (self->_doc, mfid);
else {
/* if we don't have a file object yet, we need to
* create it from the file on disk */
if (!self->_file)
self->_file = get_msg_file (self);
if (!self->_file && !(self->_file = get_msg_file (self)))
return -1;
val = mu_msg_file_get_num_field (self->_file, mfid);
}
return mu_msg_cache_set_num (self->_cache, mfid, val);
}
static gint64
get_num_field (MuMsg *self, MuMsgFieldId mfid)
{
guint64 val;
val = -1;
if (self->_doc && mu_msg_field_xapian_value (mfid))
val = mu_msg_doc_get_num_field (self->_doc, mfid);
else {
/* if we don't have a file object yet, we need to
* create it from the file on disk */
if (!mu_msg_load_msg_file (self, NULL))
return -1;
val = mu_msg_file_get_num_field (self->_file, mfid);
}
return val;
}
