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 $output_wrong= sub { print to_json({
40 if ($format =~ 'return') {
41 $output= sub { return { Error => '', Results => \@results }; };
42 $output_wrong= sub { return { Error => $_[0] }; };
45 foreach my $each (split m#[/|,]#, $string) {
46 $each =~ s/^\s*//; $each =~ s/\s*$//; $each =~ s/\s+/ /g;
47 next if !length $each;
49 my $msg= sprintf $_[0], encode_entities($each);
50 $output_wrong->($msg);
55 foreach my $pat ("$each\%", "\%$each\%") {
56 $sth->execute($pat,$pat);
57 $results= $sth->fetchall_arrayref();
59 map { $m{ $_->[2] }=1 } @$results;
64 return $err->('no island or arch matches "%s"');
66 return $err->(' ');
68 return $err->('ambiguous island or arch "%s",'.
69 ' could be '.join(', ', sort keys %m));
72 push @results, $results->[0];
75 $canontext= join ' | ', map { $_->[2] } @results;