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lib/parse-sexp: support zero argument date queries

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These are not too practical, although they may simplify some user
query generation code. Mainly this adds a new prefix keyword to the
parser.
This commit is contained in:
David Bremner 2022-01-20 09:36:01 -04:00
parent e02bf15a4f
commit 303f207a54
2 changed files with 21 additions and 4 deletions
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22
lib/parse-sexp.cc
View file

@ -32,6 +32,7 @@ typedef enum {
SEXP_FLAG_EXPAND = 1 << 6,
SEXP_FLAG_DO_EXPAND = 1 << 7,
SEXP_FLAG_ORPHAN = 1 << 8,
SEXP_FLAG_RANGE = 1 << 9,
} _sexp_flag_t;
/*
@ -66,6 +67,8 @@ static _sexp_prefix_t prefixes[] =
SEXP_FLAG_FIELD | SEXP_FLAG_WILDCARD | SEXP_FLAG_EXPAND },
{ "body", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
SEXP_FLAG_FIELD },
{ "date", Xapian::Query::OP_INVALID, Xapian::Query::MatchAll,
SEXP_FLAG_RANGE },
{ "from", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
SEXP_FLAG_FIELD | SEXP_FLAG_WILDCARD | SEXP_FLAG_REGEX | SEXP_FLAG_EXPAND },
{ "folder", Xapian::Query::OP_OR, Xapian::Query::MatchNothing,
@ -446,6 +449,19 @@ _sexp_expand_param (notmuch_database_t *notmuch, const _sexp_prefix_t *parent,
return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
}
static notmuch_status_t
_sexp_parse_date (notmuch_database_t *notmuch, const sexp_t *sx, Xapian::Query &output)
{
/* empty date matches everything */
if (! sx) {
output = Xapian::Query::MatchAll;
return NOTMUCH_STATUS_SUCCESS;
}
_notmuch_database_log (notmuch, "unimplemented date query\n");
return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
}
/* Here we expect the s-expression to be a proper list, with first
* element defining and operation, or as a special case the empty
* list */
@ -519,7 +535,7 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
for (_sexp_prefix_t *prefix = prefixes; prefix && prefix->name; prefix++) {
if (strcmp (prefix->name, sx->list->val) == 0) {
if (prefix->flags & SEXP_FLAG_FIELD) {
if (prefix->flags & (SEXP_FLAG_FIELD | SEXP_FLAG_RANGE)) {
if (parent) {
_notmuch_database_log (notmuch, "nested field: '%s' inside '%s'\n",
prefix->name, parent->name);
@ -541,6 +557,10 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
}
if (strcmp (prefix->name, "date") == 0) {
return _sexp_parse_date (notmuch, sx->list->next, output);
}
if (strcmp (prefix->name, "infix") == 0) {
return _sexp_parse_infix (notmuch, sx->list->next, output);
}

3
test/T081-sexpr-search.sh
View file

@ -769,7 +769,6 @@ notmuch search --query=sexp '(and (infix "date:2009-11-18..2009-11-18") (infix
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "date query, empty"
test_subtest_known_broken
notmuch search from:keithp | notmuch_search_sanitize > EXPECTED
notmuch search --query=sexp '(and (date) (from keithp))'| notmuch_search_sanitize > OUTPUT
test_expect_equal_file EXPECTED OUTPUT
@ -787,7 +786,6 @@ notmuch search --query=sexp '(and (date 2009-11-17 2009-11-18) (from keithp))'
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "date query, illegal nesting 1"
test_subtest_known_broken
notmuch search --query=sexp '(to (date))' > OUTPUT 2>&1
cat <<EOF > EXPECTED
notmuch search: Syntax error in query
@ -796,7 +794,6 @@ EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "date query, illegal nesting 2"
test_subtest_known_broken
notmuch search --query=sexp '(to (date 2021-11-18))' > OUTPUT 2>&1
cat <<EOF > EXPECTED
notmuch search: Syntax error in query