static int
do_search_tags (notmuch_database_t *notmuch,
const search_format_t *format,
notmuch_query_t *query)
{
notmuch_messages_t *messages = NULL;
notmuch_tags_t *tags;
const char *tag;
int first_tag = 1;
/* Special-case query of "*" for better performance. */
if (strcmp (notmuch_query_get_query_string (query), "*") == 0) {
tags = notmuch_database_get_all_tags (notmuch);
} else {
messages = notmuch_query_search_messages (query);
if (messages == NULL)
return 1;
tags = notmuch_messages_collect_tags (messages);
}
if (tags == NULL)
return 1;
fputs (format->results_start, stdout);
for (;
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags))
{
tag = notmuch_tags_get (tags);
if (! first_tag)
fputs (format->item_sep, stdout);
format->item_id (tags, "", tag);
first_tag = 0;
}
notmuch_tags_destroy (tags);
if (messages)
notmuch_messages_destroy (messages);
if (first_tag)
fputs (format->results_null, stdout);
else
fputs (format->results_end, stdout);
return 0;
}
/*
* call-seq: MESSAGES.tags => TAGS
*
* Collect tags from the messages
*/
VALUE
notmuch_rb_messages_collect_tags(VALUE self)
{
notmuch_tags_t *tags;
notmuch_messages_t *messages;
Data_Get_Notmuch_Messages(self, messages);
tags = notmuch_messages_collect_tags(messages);
if (!tags)
rb_raise(notmuch_rb_eMemoryError, "Out of memory");
return Data_Wrap_Struct(notmuch_rb_cTags, NULL, NULL, tags);
}
static int
do_search_tags (const search_context_t *ctx)
{
notmuch_messages_t *messages = NULL;
notmuch_tags_t *tags;
const char *tag;
sprinter_t *format = ctx->format;
notmuch_query_t *query = ctx->query;
notmuch_database_t *notmuch = ctx->notmuch;
/* should the following only special case if no excluded terms
* specified? */
/* Special-case query of "*" for better performance. */
if (strcmp (notmuch_query_get_query_string (query), "*") == 0) {
tags = notmuch_database_get_all_tags (notmuch);
} else {
notmuch_status_t status;
status = notmuch_query_search_messages_st (query, &messages);
if (print_status_query ("notmuch search", query, status))
return 1;
tags = notmuch_messages_collect_tags (messages);
}
if (tags == NULL)
return 1;
format->begin_list (format);
for (;
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags))
{
tag = notmuch_tags_get (tags);
format->string (format, tag);
format->separator (format);
}
notmuch_tags_destroy (tags);
if (messages)
notmuch_messages_destroy (messages);
format->end (format);
return 0;
}
