9 # typical url for this script:
10 # http://www.chiark.greenend.org.uk/ucgi/~clareb/mason/pirates/routetextstring?format=json&ocean=Midnight&string=d
20 my $sth= $dbh->prepare("SELECT archipelago,islandid,islandname
21 FROM islands WHERE islandname LIKE ?
22 UNION ALL SELECT DISTINCT archipelago,NULL,archipelago
23 FROM islands WHERE archipelago LIKE ?");
25 my (@results, $canontext);
26 my ($output, $output_wrong);
28 if ($format =~ 'json') {
29 $r->content_type($ctype or $format);
30 $output= sub { print to_json({
32 show => length $canontext ? encode_entities($canontext)
35 $output_wrong= sub { print to_json({
41 foreach my $each (split m#[/|,]#, $string) {
42 $each =~ s/^\s*//; $each =~ s/\s*$//; $each =~ s/\s+/ /g;
43 next if !length $each;
45 my $msg= sprintf $_[0], encode_entities($each);
46 $output_wrong->($msg);
51 foreach my $pat ("$each\%", "\%$each\%") {
52 $sth->execute($pat,$pat);
53 $results= $sth->fetchall_arrayref();
55 map { $m{ $_->[2] }=1 } @$results;
60 $err->('no island or arch matches "%s"');
64 $err->('ambiguous island or arch "%s", could be '.
65 join(', ', sort keys %m));
68 push @results, $results->[0];
71 $canontext= join ' | ', map { $_->[2] } @results;