diff options
| author |  Mark Walters <markwalters1009@gmail.com> | 2012-03-01 22:30:36 +0000 |
|---|---|---|
| committer |  David Bremner <bremner@debian.org> | 2012-03-02 08:27:36 -0400 |
| commit | 08f7b026a9f8a32fbe14eb73b99a026544b22900 (patch) | |
| tree | 73964375235dae11dd44d3138df8abe9142ee6e8 | |
| parent | 98f5b0f09a816dfe5bc206f8b76c87223437e63d (diff) | |
lib: Rearrange the exclude code in query.cc
Slightly refactor the exclude code to give the callers access to the
exclude query itself. There should be no functional change.
| -rw-r--r-- | lib/query.cc | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/lib/query.cc b/lib/query.cc index 0b366025..c25b301d 100644 --- a/lib/query.cc +++ b/lib/query.cc @@ -122,12 +122,15 @@ _notmuch_messages_destructor (notmuch_mset_messages_t *messages) return 0; } -/* Return a query that does not match messages with the excluded tags - * registered with the query. Any tags that explicitly appear in - * xquery will not be excluded. */ +/* Return a query that matches messages with the excluded tags + * registered with query. Any tags that explicitly appear in xquery + * will not be excluded. 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) { + 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 (); @@ -137,10 +140,10 @@ _notmuch_exclude_tags (notmuch_query_t *query, Xapian::Query xquery) break; } if (it == end) - xquery = Xapian::Query (Xapian::Query::OP_AND_NOT, - xquery, Xapian::Query (term->string)); + exclude_query = Xapian::Query (Xapian::Query::OP_OR, + exclude_query, Xapian::Query (term->string)); } - return xquery; + return exclude_query; } notmuch_messages_t * @@ -168,7 +171,7 @@ notmuch_query_search_messages (notmuch_query_t *query) Xapian::Query mail_query (talloc_asprintf (query, "%s%s", _find_prefix ("type"), "mail")); - Xapian::Query string_query, final_query; + Xapian::Query string_query, final_query, exclude_query; Xapian::MSet mset; unsigned int flags = (Xapian::QueryParser::FLAG_BOOLEAN | Xapian::QueryParser::FLAG_PHRASE | @@ -188,7 +191,10 @@ notmuch_query_search_messages (notmuch_query_t *query) mail_query, string_query); } - final_query = _notmuch_exclude_tags (query, final_query); + exclude_query = _notmuch_exclude_tags (query, final_query); + + final_query = Xapian::Query (Xapian::Query::OP_AND_NOT, + final_query, exclude_query); enquire.set_weighting_scheme (Xapian::BoolWeight()); @@ -449,7 +455,7 @@ notmuch_query_count_messages (notmuch_query_t *query) Xapian::Query mail_query (talloc_asprintf (query, "%s%s", _find_prefix ("type"), "mail")); - Xapian::Query string_query, final_query; + Xapian::Query string_query, final_query, exclude_query; Xapian::MSet mset; unsigned int flags = (Xapian::QueryParser::FLAG_BOOLEAN | Xapian::QueryParser::FLAG_PHRASE | @@ -469,7 +475,10 @@ notmuch_query_count_messages (notmuch_query_t *query) mail_query, string_query); } - final_query = _notmuch_exclude_tags (query, final_query); + exclude_query = _notmuch_exclude_tags (query, final_query); + + final_query = Xapian::Query (Xapian::Query::OP_AND_NOT, + final_query, exclude_query); enquire.set_weighting_scheme(Xapian::BoolWeight()); enquire.set_docid_order(Xapian::Enquire::ASCENDING); |