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 /lib | |
| 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.
Diffstat (limited to 'lib')
| -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); |