use strict; use warnings; use CQL::Parser; use CQL::Visitor; use Test::More tests=>2; # test the ability to visit term nodes and convert the dc # qualifiers my $parser = CQL::Parser->new(); my $node = $parser->parse( "(dc.title=foo or bar) and dc.creator=baz" ); is( $node->toCQL(), '((dc.title = foo) or (bar)) and (dc.creator = baz)', 'toCQL() prior to transformation' ); my $visitor = MyVisitor->new(); $visitor->visit($node); is( $node->toCQL(), '((title = foo) or (bar)) and (creator = baz)', 'visitor worked' ); ## test visitor class package MyVisitor; use base qw( CQL::Visitor ); sub term { my ($self,$node) = @_; # remove dc prefix from qualifier # bad OO, digging right into object # need set methods at some point if ( $node->{qualifier} ) { $node->{qualifier} =~ s/^dc\.//; } } 1;