static const GSList*
get_str_list_field (MuMsg *self, MuMsgFieldId mfid)
{
gboolean do_free;
GSList *val;
/* first we try the cache */
if (mu_msg_cache_cached (self->_cache, mfid))
return mu_msg_cache_str_list (self->_cache, mfid);
/* if it's not in the cache but it is a value retrievable from
* the doc backend, use that */
val = NULL;
if (self->_doc && mu_msg_field_xapian_value (mfid))
val = mu_msg_doc_get_str_list_field (self->_doc,
mfid, &do_free);
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 NULL;
val = mu_msg_file_get_str_list_field (self->_file, mfid,
&do_free);
}
/* if we get a string that needs freeing, we tell the cache to
* mark the string as such, so it will be freed when the cache
* is freed (or when the value is overwritten) */
return mu_msg_cache_set_str_list (self->_cache, mfid, val,
do_free);
}
static const GSList*
get_str_list_field (MuMsg *self, MuMsgFieldId mfid)
{
GSList *val;
val = NULL;
if (self->_doc && mu_msg_field_xapian_value (mfid))
val = mu_msg_doc_get_str_list_field (self->_doc, mfid);
else if (mu_msg_field_gmime (mfid)) {
/* 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 NULL;
val = mu_msg_file_get_str_list_field (self->_file, mfid);
}
return free_later_lst (self, val);
}
