[PATCH 03/13] lib: optionally support single argument date: queries

diff --git a/58/27571d8234e347e40aeb1cea4faa4aa9cfd3b3 b/58/27571d8234e347e40aeb1cea4faa4aa9cfd3b3
new file mode 100644 (file)
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+++ b/58/27571d8234e347e40aeb1cea4faa4aa9cfd3b3
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+From: David Bremner <david@tethera.net>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 03/13] lib: optionally support single argument date: queries\r
+Date: Tue, 22 Mar 2016 07:54:44 -0300\r
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+\r
+This relies on the FieldProcessor API, which is only present in xapian\r
+>= 1.3.\r
+---\r
+ lib/database-private.h   |  6 ++++++\r
+ lib/database.cc          |  6 ++++++\r
+ lib/parse-time-vrp.cc    | 21 +++++++++++++++++++++\r
+ lib/parse-time-vrp.h     |  5 +++++\r
+ test/T500-search-date.sh |  6 ++++++\r
+ 5 files changed, 44 insertions(+)\r
+\r
+diff --git a/lib/database-private.h b/lib/database-private.h\r
+index 3fb10f7..30a045e 100644\r
+--- a/lib/database-private.h\r
++++ b/lib/database-private.h\r
+@@ -144,6 +144,9 @@ operator&=(_notmuch_features &a, _notmuch_features b)\r
+     return a;\r
+ }\r
+ \r
++#if HAVE_XAPIAN_FIELD_PROCESSOR\r
++class DateFieldProcessor;\r
++#endif\r
+ struct _notmuch_database {\r
+     notmuch_bool_t exception_reported;\r
+ \r
+@@ -176,6 +179,9 @@ struct _notmuch_database {\r
+     Xapian::TermGenerator *term_gen;\r
+     Xapian::ValueRangeProcessor *value_range_processor;\r
+     Xapian::ValueRangeProcessor *date_range_processor;\r
++#if HAVE_XAPIAN_FIELD_PROCESSOR\r
++    DateFieldProcessor *date_field_processor;\r
++#endif\r
+     Xapian::ValueRangeProcessor *last_mod_range_processor;\r
+ };\r
+ \r
+diff --git a/lib/database.cc b/lib/database.cc\r
+index 3b342f1..0e3c90c 100644\r
+--- a/lib/database.cc\r
++++ b/lib/database.cc\r
+@@ -1000,6 +1000,12 @@ notmuch_database_open_verbose (const char *path,\r
+       notmuch->term_gen->set_stemmer (Xapian::Stem ("english"));\r
+       notmuch->value_range_processor = new Xapian::NumberValueRangeProcessor (NOTMUCH_VALUE_TIMESTAMP);\r
+       notmuch->date_range_processor = new ParseTimeValueRangeProcessor (NOTMUCH_VALUE_TIMESTAMP);\r
++#if HAVE_XAPIAN_FIELD_PROCESSOR\r
++      /* This currently relies on the query parser to pass anything\r
++       * with a .. to the range processor */\r
++      notmuch->date_field_processor = new DateFieldProcessor();\r
++      notmuch->query_parser->add_boolean_prefix("date", notmuch->date_field_processor);\r
++#endif\r
+       notmuch->last_mod_range_processor = new Xapian::NumberValueRangeProcessor (NOTMUCH_VALUE_LAST_MOD, "lastmod:");\r
+ \r
+       notmuch->query_parser->set_default_op (Xapian::Query::OP_AND);\r
+diff --git a/lib/parse-time-vrp.cc b/lib/parse-time-vrp.cc\r
+index 03804cf..b15b77c 100644\r
+--- a/lib/parse-time-vrp.cc\r
++++ b/lib/parse-time-vrp.cc\r
+@@ -64,3 +64,24 @@ ParseTimeValueRangeProcessor::operator() (std::string &begin, std::string &end)\r
+ \r
+     return valno;\r
+ }\r
++\r
++#if HAVE_XAPIAN_FIELD_PROCESSOR\r
++/* XXX TODO: is throwing an exception the right thing to do here? */\r
++Xapian::Query DateFieldProcessor::operator()(const std::string & str) {\r
++    time_t from, to, now;\r
++\r
++    /* Use the same 'now' for begin and end. */\r
++    if (time (&now) == (time_t) -1)\r
++      throw Xapian::QueryParserError("Unable to get current time");\r
++\r
++    if (parse_time_string (str.c_str (), &from, &now, PARSE_TIME_ROUND_DOWN))\r
++      throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");\r
++\r
++    if (parse_time_string (str.c_str (), &to, &now, PARSE_TIME_ROUND_UP_INCLUSIVE))\r
++      throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");\r
++\r
++    return Xapian::Query(Xapian::Query::OP_AND,\r
++                       Xapian::Query(Xapian::Query::OP_VALUE_GE, 0, Xapian::sortable_serialise ((double) from)),\r
++                       Xapian::Query(Xapian::Query::OP_VALUE_LE, 0, Xapian::sortable_serialise ((double) to)));\r
++}\r
++#endif\r
+diff --git a/lib/parse-time-vrp.h b/lib/parse-time-vrp.h\r
+index 094c4f8..3bd12bf 100644\r
+--- a/lib/parse-time-vrp.h\r
++++ b/lib/parse-time-vrp.h\r
+@@ -37,4 +37,9 @@ public:\r
+     Xapian::valueno operator() (std::string &begin, std::string &end);\r
+ };\r
+ \r
++#if HAVE_XAPIAN_FIELD_PROCESSOR\r
++class DateFieldProcessor : public Xapian::FieldProcessor {\r
++    Xapian::Query operator()(const std::string & str);\r
++};\r
++#endif\r
+ #endif /* NOTMUCH_PARSE_TIME_VRP_H */\r
+diff --git a/test/T500-search-date.sh b/test/T500-search-date.sh\r
+index f5cea42..198a2e6 100755\r
+--- a/test/T500-search-date.sh\r
++++ b/test/T500-search-date.sh\r
+@@ -12,6 +12,12 @@ test_begin_subtest "Absolute date range with 'same' operator"\r
+ output=$(notmuch search date:2010-12-16..! | notmuch_search_sanitize)\r
+ test_expect_equal "$output" "thread:XXX   2010-12-16 [1/1] Olivier Berger; Essai accentué (inbox unread)"\r
+ \r
++if [ "${NOTMUCH_HAVE_XAPIAN_FIELD_PROCESSOR}" = "1" ]; then\r
++    test_begin_subtest "Absolute date field"\r
++    output=$(notmuch search date:2010-12-16 | notmuch_search_sanitize)\r
++    test_expect_equal "$output" "thread:XXX   2010-12-16 [1/1] Olivier Berger; Essai accentué (inbox unread)"\r
++fi\r
++\r
+ test_begin_subtest "Absolute time range with TZ"\r
+ notmuch search date:18-Nov-2009_02:19:26-0800..2009-11-18_04:49:52-06:00 | notmuch_search_sanitize > OUTPUT\r
+ cat <<EOF >EXPECTED\r
+-- \r
+2.7.0\r
+\r