X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fquery.cc;h=7192e7f049ddbb678d55ab07219aefa491ea74e3;hp=ba06bfebbcd450d756ab06f1fa631d467ff48733;hb=86cbd215eb67d7b996c977352a50e70c101cb641;hpb=e209b7187365b9f5a356b21f3d11dd2f41fd5a1c diff --git a/lib/query.cc b/lib/query.cc index ba06bfeb..7192e7f0 100644 --- a/lib/query.cc +++ b/lib/query.cc @@ -31,6 +31,7 @@ struct _notmuch_query { notmuch_exclude_t omit_excluded; notmuch_bool_t parsed; Xapian::Query xapian_query; + std::set terms; }; typedef struct _notmuch_mset_messages { @@ -77,6 +78,7 @@ _debug_query (void) static int _notmuch_query_destructor (notmuch_query_t *query) { query->xapian_query.~Query(); + query->terms.~set(); return 0; } @@ -94,6 +96,7 @@ notmuch_query_create (notmuch_database_t *notmuch, return NULL; new (&query->xapian_query) Xapian::Query (); + new (&query->terms) std::set (); query->parsed = FALSE; talloc_set_destructor (query, _notmuch_query_destructor); @@ -122,6 +125,15 @@ _notmuch_query_ensure_parsed (notmuch_query_t *query) query->notmuch->query_parser-> parse_query (query->query_string, NOTMUCH_QUERY_PARSER_FLAGS); + /* Xapian doesn't support skip_to on terms from a query since + * they are unordered, so cache a copy of all terms in + * something searchable. + */ + + for (Xapian::TermIterator t = query->xapian_query.get_terms_begin (); + t != query->xapian_query.get_terms_end (); ++t) + query->terms.insert (*t); + query->parsed = TRUE; } catch (const Xapian::Error &error) { @@ -168,7 +180,25 @@ notmuch_query_get_sort (const notmuch_query_t *query) void notmuch_query_add_tag_exclude (notmuch_query_t *query, const char *tag) { - char *term = talloc_asprintf (query, "%s%s", _find_prefix ("tag"), tag); + notmuch_status_t status; + char *term; + + status = _notmuch_query_ensure_parsed (query); + /* The following is not ideal error handling, but to avoid + * breaking the ABI, we can live with it for now. In particular at + * least in the notmuch CLI, any syntax error in the query is + * caught in a later call to _notmuch_query_ensure_parsed with a + * better error path. + * + * TODO: add status return to this function. + */ + if (status) + return; + + term = talloc_asprintf (query, "%s%s", _find_prefix ("tag"), tag); + if (query->terms.count(term) != 0) + return; /* XXX report ignoring exclude? */ + _notmuch_string_list_append (query->exclude_terms, term); } @@ -188,46 +218,31 @@ _notmuch_messages_destructor (notmuch_mset_messages_t *messages) } /* Return a query that matches messages with the excluded tags - * registered with query. Any tags that explicitly appear in xquery - * will not be excluded, and will be removed from the list of exclude - * tags. The caller of this function has to combine the returned + * registered with query. The caller of this function has to combine the returned * query appropriately.*/ static Xapian::Query -_notmuch_exclude_tags (notmuch_query_t *query, Xapian::Query xquery) +_notmuch_exclude_tags (notmuch_query_t *query) { Xapian::Query exclude_query = Xapian::Query::MatchNothing; for (notmuch_string_node_t *term = query->exclude_terms->head; term; term = term->next) { - Xapian::TermIterator it = xquery.get_terms_begin (); - Xapian::TermIterator end = xquery.get_terms_end (); - for (; it != end; it++) { - if ((*it).compare (term->string) == 0) - break; - } - if (it == end) - exclude_query = Xapian::Query (Xapian::Query::OP_OR, - exclude_query, Xapian::Query (term->string)); - else - term->string = talloc_strdup (query, ""); + exclude_query = Xapian::Query (Xapian::Query::OP_OR, + exclude_query, Xapian::Query (term->string)); } return exclude_query; } -notmuch_messages_t * -notmuch_query_search_messages (notmuch_query_t *query) + +notmuch_status_t +notmuch_query_search_messages_st (notmuch_query_t *query, + notmuch_messages_t **out) { - notmuch_status_t status; - notmuch_messages_t *messages; - status = notmuch_query_search_messages_st (query, &messages); - if (status) - return NULL; - else - return messages; + return notmuch_query_search_messages (query, out); } notmuch_status_t -notmuch_query_search_messages_st (notmuch_query_t *query, +notmuch_query_search_messages (notmuch_query_t *query, notmuch_messages_t **out) { return _notmuch_query_search_documents (query, "mail", out); @@ -280,7 +295,7 @@ _notmuch_query_search_documents (notmuch_query_t *query, messages->base.excluded_doc_ids = NULL; if ((query->omit_excluded != NOTMUCH_EXCLUDE_FALSE) && (query->exclude_terms)) { - exclude_query = _notmuch_exclude_tags (query, final_query); + exclude_query = _notmuch_exclude_tags (query); if (query->omit_excluded == NOTMUCH_EXCLUDE_TRUE || query->omit_excluded == NOTMUCH_EXCLUDE_ALL) @@ -478,22 +493,15 @@ _notmuch_threads_destructor (notmuch_threads_t *threads) return 0; } - -notmuch_threads_t * -notmuch_query_search_threads (notmuch_query_t *query) +notmuch_status_t +notmuch_query_search_threads_st (notmuch_query_t *query, notmuch_threads_t **out) { - notmuch_status_t status; - notmuch_threads_t *threads; - status = notmuch_query_search_threads_st (query, &threads); - if (status) - return NULL; - else - return threads; + return notmuch_query_search_threads(query, out); } notmuch_status_t -notmuch_query_search_threads_st (notmuch_query_t *query, - notmuch_threads_t **out) +notmuch_query_search_threads (notmuch_query_t *query, + notmuch_threads_t **out) { notmuch_threads_t *threads; notmuch_messages_t *messages; @@ -507,7 +515,7 @@ notmuch_query_search_threads_st (notmuch_query_t *query, threads->query = query; - status = notmuch_query_search_messages_st (query, &messages); + status = notmuch_query_search_messages (query, &messages); if (status) { talloc_free (threads); return status; @@ -635,7 +643,7 @@ _notmuch_query_count_documents (notmuch_query_t *query, const char *type, unsign mail_query, query->xapian_query); } - exclude_query = _notmuch_exclude_tags (query, final_query); + exclude_query = _notmuch_exclude_tags (query); final_query = Xapian::Query (Xapian::Query::OP_AND_NOT, final_query, exclude_query); @@ -696,7 +704,7 @@ notmuch_query_count_threads_st (notmuch_query_t *query, unsigned *count) sort = query->sort; query->sort = NOTMUCH_SORT_UNSORTED; - ret = notmuch_query_search_messages_st (query, &messages); + ret = notmuch_query_search_messages (query, &messages); if (ret) return ret; query->sort = sort;