Slightly improved formatting

[ypp-sc-tools.db-live.git] / yarrg / web / routetextstring

diff --git a/yarrg/web/routetextstring b/yarrg/web/routetextstring
old mode 100644 (file)
new mode 100755 (executable)
index 0e4ae6e..be009d4
--- a/yarrg/web/routetextstring
+++ b/yarrg/web/routetextstring
@@ -1,17 +1,63 @@
+<%doc>
+
+ This is part of the YARRG website.  YARRG is a tool and website
+ for assisting players of Yohoho Puzzle Pirates.
+
+ Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ Copyright (C) 2009 Clare Boothby
+
+  YARRG's client code etc. is covered by the ordinary GNU GPL (v3 or later).
+  The YARRG website is covered by the GNU Affero GPL v3 or later, which
+   basically means that every installation of the website will let you
+   download the source.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+ Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+ are used without permission.  This program is not endorsed or
+ sponsored by Three Rings.
+
+
+ This Mason component parses textual strings giving lists of islands
+ and archipelagoes, ie textual route strings.
+
+
+</%doc>
+
+<%flags>
+inherit => undef
+</%flags>
+
 <%args>
 $ocean
 $format
 $ctype => undef
 $string
 </%args>
+
 <%perl>
 
+# typical url for this script:
+#  http://www.chiark.greenend.org.uk/ucgi/~clareb/mason/pirates/routetextstring?format=json&ocean=Midnight&string=d
+
+
 use CommodsWeb;
 use HTML::Entities;
 use JSON;
+use Data::Dumper;
 
-db_setocean($ocean);
-db_connect();
+my $dbh= dbw_connect($ocean);
 
 my $sth= $dbh->prepare("SELECT archipelago,islandid,islandname
                                FROM islands WHERE islandname LIKE ?
@@ -21,43 +67,58 @@ my $sth= $dbh->prepare("SELECT archipelago,islandid,islandname
 my (@results, $canontext);
 my ($output, $output_wrong);
 
-if ($format =~ 'json') {
+if ($format =~ /json/) {
        $r->content_type($ctype or $format);
-       $output= sub { print to_json({
+       $output= sub { print to_json_shim({
                success => 1,
-               show => encode_entities($canontext),
-       })};
-       $output_wrong= sub { print to_json({
+               show => length $canontext ? encode_entities($canontext)
+                       : '&nbsp;',
+               })};
+       $output_wrong= sub { print to_json_shim({
                success => 0,
-               show => encode_entities($_[0]),
-       })};
-}              
+               show => $_[0],
+               })};
+}
+if ($format =~ /return/) {
+       $output= sub { return { Error => '', Results => \@results }; };
+       $output_wrong= sub { return { Error => $_[0] }; };
+}
+if ($format =~ /dump/) {
+       $r->content_type('text/plain');
+       $output_wrong= sub { print Dumper(\@_); };
+       $output= sub { print Dumper(\@results, $canontext); };
+}
 
 foreach my $each (split m#[/|,]#, $string) {
        $each =~ s/^\s*//;  $each =~ s/\s*$//;  $each =~ s/\s+/ /g;
        next if !length $each;
-       my $pat= "\%$each\%";
-       my $nrows= $sth->execute($pat,$pat);
        my $err= sub {
                my $msg= sprintf $_[0], encode_entities($each);
                $output_wrong->($msg);
-               $m->abort();
        };
-       my $results= $sth->fetchall_arrayref();
-       if (!@$results) {
-               $err->('no island or arch matches "%s"');
-       } elsif (@$results > 3) {
-               $err->('');
-       } elsif (@$results > 1) {
-               my @m= map { $_->[2] } @$results;
-               $err->('ambiguous island or arch "%s", could be '.
-                       join(', ', @m));
+       my %m;
+       my $results;
+       foreach my $pat ("$each\%", "\%$each\%") {
+               $sth->execute($pat,$pat);
+               $results= $sth->fetchall_arrayref();
+               last if @$results==1;
+               map { $m{ $_->[2] }=1 } @$results;
+               $results= undef;
+       }
+       if (!$results) {
+               if (!%m) {
+                       return $err->('no island or arch matches "%s"');
+               } elsif (keys(%m) > 5) {
+                       return $err->('&nbsp;');
+               } else {
+                       return $err->('ambiguous island or arch "%s",'.
+                               ' could be '.join(', ', sort keys %m));
+               }
        }
        push @results, $results->[0];
 }
 
-$canontext= join ' | ', map { encode_entities($_->[2]) } @results;
-
-$output->();
+$canontext= join ' | ', map { $_->[2] } @results;
+return $output->();
 
 </%perl>