[PATCH 1/2] lib: Add regexp searching for mid: prefix
David Bremner
david at tethera.net
Wed Mar 29 17:46:03 PDT 2017
The bulk of the change is passing in the field options to the regexp
field processor, so that we can properly handle the
fallback (non-regexp case).
---
lib/database.cc | 6 ++++--
lib/regexp-fields.cc | 36 +++++++++++++++++++++++++-----------
lib/regexp-fields.h | 4 +++-
test/T650-regexp-query.sh | 16 ++++++++++++++++
4 files changed, 48 insertions(+), 14 deletions(-)
diff --git a/lib/database.cc b/lib/database.cc
index 5bc131a3..49b3849c 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -262,7 +262,8 @@ prefix_t prefix_table[] = {
{ "tag", "K", NOTMUCH_FIELD_EXTERNAL },
{ "is", "K", NOTMUCH_FIELD_EXTERNAL },
{ "id", "Q", NOTMUCH_FIELD_EXTERNAL },
- { "mid", "Q", NOTMUCH_FIELD_EXTERNAL },
+ { "mid", "Q", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
{ "path", "P", NOTMUCH_FIELD_EXTERNAL },
{ "property", "XPROPERTY", NOTMUCH_FIELD_EXTERNAL },
/*
@@ -313,7 +314,8 @@ _setup_query_field (const prefix_t *prefix, notmuch_database_t *notmuch)
else if (STRNCMP_LITERAL(prefix->name, "query") == 0)
fp = (new QueryFieldProcessor (*notmuch->query_parser, notmuch))->release ();
else
- fp = (new RegexpFieldProcessor (prefix->name, *notmuch->query_parser, notmuch))->release ();
+ fp = (new RegexpFieldProcessor (prefix->name, prefix->flags,
+ *notmuch->query_parser, notmuch))->release ();
/* we treat all field-processor fields as boolean in order to get the raw input */
notmuch->query_parser->add_boolean_prefix (prefix->name, fp);
diff --git a/lib/regexp-fields.cc b/lib/regexp-fields.cc
index 1651677c..7ae55e70 100644
--- a/lib/regexp-fields.cc
+++ b/lib/regexp-fields.cc
@@ -135,13 +135,21 @@ static inline Xapian::valueno _find_slot (std::string prefix)
return NOTMUCH_VALUE_FROM;
else if (prefix == "subject")
return NOTMUCH_VALUE_SUBJECT;
+ else if (prefix == "mid")
+ return NOTMUCH_VALUE_MESSAGE_ID;
else
throw Xapian::QueryParserError ("unsupported regexp field '" + prefix + "'");
}
-RegexpFieldProcessor::RegexpFieldProcessor (std::string prefix, Xapian::QueryParser &parser_, notmuch_database_t *notmuch_)
- : slot (_find_slot (prefix)), term_prefix (_find_prefix (prefix.c_str ())),
- parser (parser_), notmuch (notmuch_)
+RegexpFieldProcessor::RegexpFieldProcessor (std::string prefix,
+ notmuch_field_flag_t options_,
+ Xapian::QueryParser &parser_,
+ notmuch_database_t *notmuch_)
+ : slot (_find_slot (prefix)),
+ term_prefix (_find_prefix (prefix.c_str ())),
+ options (options_),
+ parser (parser_),
+ notmuch (notmuch_)
{
};
@@ -161,16 +169,22 @@ RegexpFieldProcessor::operator() (const std::string & str)
throw Xapian::QueryParserError ("unmatched regex delimiter in '" + str + "'");
}
} else {
- /* TODO replace this with a nicer API level triggering of
- * phrase parsing, when possible */
- std::string query_str;
+ if (options & NOTMUCH_FIELD_PROBABILISTIC) {
+ /* TODO replace this with a nicer API level triggering of
+ * phrase parsing, when possible */
+ std::string query_str;
- if (str.find (' ') != std::string::npos)
- query_str = '"' + str + '"';
- else
- query_str = str;
+ if (str.find (' ') != std::string::npos)
+ query_str = '"' + str + '"';
+ else
+ query_str = str;
- return parser.parse_query (query_str, NOTMUCH_QUERY_PARSER_FLAGS, term_prefix);
+ return parser.parse_query (query_str, NOTMUCH_QUERY_PARSER_FLAGS, term_prefix);
+ } else {
+ /* Boolean prefix */
+ std::string term = term_prefix + str;
+ return Xapian::Query (term);
+ }
}
}
#endif
diff --git a/lib/regexp-fields.h b/lib/regexp-fields.h
index a4ba7ad8..d5f93445 100644
--- a/lib/regexp-fields.h
+++ b/lib/regexp-fields.h
@@ -65,11 +65,13 @@ class RegexpFieldProcessor : public Xapian::FieldProcessor {
protected:
Xapian::valueno slot;
std::string term_prefix;
+ notmuch_field_flag_t options;
Xapian::QueryParser &parser;
notmuch_database_t *notmuch;
public:
- RegexpFieldProcessor (std::string prefix, Xapian::QueryParser &parser_, notmuch_database_t *notmuch_);
+ RegexpFieldProcessor (std::string prefix, notmuch_field_flag_t options,
+ Xapian::QueryParser &parser_, notmuch_database_t *notmuch_);
~RegexpFieldProcessor () { };
diff --git a/test/T650-regexp-query.sh b/test/T650-regexp-query.sh
index 9599c104..27fc9ab9 100755
--- a/test/T650-regexp-query.sh
+++ b/test/T650-regexp-query.sh
@@ -104,4 +104,20 @@ Query string was: from:/unbalanced[/
EOF
test_expect_equal_file EXPECTED OUTPUT
+test_begin_subtest "empty mid search"
+notmuch search --output=messages mid:yoom > OUTPUT
+cp /dev/null EXPECTED
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "non-empty mid regex search"
+notmuch search --output=messages mid:/yoom/ > OUTPUT
+test_expect_equal_file cworth.msg-ids OUTPUT
+
+test_begin_subtest "combine regexp mid and subject"
+notmuch search subject:/-C/ and mid:/y..m/ | notmuch_search_sanitize > OUTPUT
+cat <<EOF > EXPECTED
+thread:XXX 2009-11-18 [1/2] Carl Worth| Jan Janak; [notmuch] [PATCH] Older versions of install do not support -C. (inbox unread)
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
test_done
--
2.11.0
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