imap: drop old, pre-Parse::RecDescent search parser

We switched to Parse::RecDescent during development and left
some dead code behind.

diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index d540fd0b3b8f8f9f28414a7f8f8320c24ee5b5cc..2d0d005e6f8b71239a342669a03645c0600f82ef 100644 (file)
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -1109,67 +1109,6 @@ sub search_uid_range { # long_response
        1; # more
 }
 
-sub date_search {
-       my ($q, $k, $d) = @_;
-       my $sql = $q->{sql};
-
-       # Date: header
-       if ($k eq 'SENTON') {
-               my $end = $d + 86399; # no leap day...
-               my $da = strftime('%Y%m%d%H%M%S', gmtime($d));
-               my $db = strftime('%Y%m%d%H%M%S', gmtime($end));
-               $q->{xap} .= " dt:$da..$db";
-               $$sql .= " AND ds >= $d AND ds <= $end" if defined($sql);
-       } elsif ($k eq 'SENTBEFORE') {
-               $q->{xap} .= ' d:..'.strftime('%Y%m%d', gmtime($d));
-               $$sql .= " AND ds <= $d" if defined($sql);
-       } elsif ($k eq 'SENTSINCE') {
-               $q->{xap} .= ' d:'.strftime('%Y%m%d', gmtime($d)).'..';
-               $$sql .= " AND ds >= $d" if defined($sql);
-
-       # INTERNALDATE (Received)
-       } elsif ($k eq 'ON') {
-               my $end = $d + 86399; # no leap day...
-               $q->{xap} .= " ts:$d..$end";
-               $$sql .= " AND ts >= $d AND ts <= $end" if defined($sql);
-       } elsif ($k eq 'BEFORE') {
-               $q->{xap} .= " ts:..$d";
-               $$sql .= " AND ts <= $d" if defined($sql);
-       } elsif ($k eq 'SINCE') {
-               $q->{xap} .= " ts:$d..";
-               $$sql .= " AND ts >= $d" if defined($sql);
-       } else {
-               die "BUG: $k not recognized";
-       }
-}
-
-# IMAP to Xapian search key mapping
-my %I2X = (
-       SUBJECT => 's:',
-       BODY => 'b:',
-       FROM => 'f:',
-       TEXT => '', # n.b. does not include all headers
-       TO => 't:',
-       CC => 'c:',
-       # BCC => 'bcc:', # TODO
-       # KEYWORD # TODO ? dfpre,dfpost,...
-);
-
-# IMAP allows searching arbitrary headers via "HEADER $HDR_NAME $HDR_VAL"
-# which gets silly expensive.  We only allow the headers we already index.
-my %H2X = (%I2X, 'MESSAGE-ID' => 'm:', 'LIST-ID' => 'l:');
-
-sub xap_append ($$$$) {
-       my ($q, $rest, $k, $xk) = @_;
-       delete $q->{sql}; # can't use over.sqlite3
-       defined(my $arg = shift @$rest) or return "BAD $k no arg";
-
-       # AFAIK Xapian can't handle [*"] in probabilistic terms
-       $arg =~ tr/*"//d;
-       ${$q->{xap}} .= qq[ $xk"$arg"];
-       undef;
-}
-
 sub parse_query ($$) {
        my ($self, $query) = @_;
        my $q = PublicInbox::IMAPsearchqp::parse($self, $query);