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[94.192.233.223]) by mx.google.com with ESMTPS id n3sm46907333wiz.9.2012.01.23.17.17.51 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 23 Jan 2012 17:17:52 -0800 (PST) From: Mark Walters To: notmuch@notmuchmail.org, Austin Clements Subject: [RFC PATCH 1/4] Add NOTMUCH_MESSAGE_FLAG_EXCLUDED flag Date: Tue, 24 Jan 2012 01:18:40 +0000 Message-Id: <1327367923-18228-1-git-send-email-markwalters1009@gmail.com> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <20120124011609.GX16740@mit.edu> References: <20120124011609.GX16740@mit.edu> X-BeenThere: notmuch@notmuchmail.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Jan 2012 01:17:56 -0000 Slightly refactor the exclude code to give the callers access to the exclude query itself. There should be no functional change. --- lib/query.cc | 29 +++++++++++++++++++---------- 1 files changed, 19 insertions(+), 10 deletions(-) diff --git a/lib/query.cc b/lib/query.cc index 0b36602..c25b301 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); -- 1.7.2.3