schema creator in Perl

[ypp-sc-tools.web-live.git] / pctb / Commods.pm

diff --git a/pctb/Commods.pm b/pctb/Commods.pm
index e695f15a5efe27afefba5ecdec381f1d87900e4e..712847db34601b6f4395507396f0cdb20da7ebe7 100644 (file)
--- a/pctb/Commods.pm
+++ b/pctb/Commods.pm
@@ -1,6 +1,28 @@
+# This is part of ypp-sc-tools, a set of third-party tools for assisting
+# players of Yohoho Puzzle Pirates.
+#
+# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU 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.
 
 package Commods;
 use IO::File;
+use HTTP::Request::Common ();
 
 use strict;
 use warnings;
@@ -12,7 +34,11 @@ BEGIN {
     @ISA         = qw(Exporter);
     @EXPORT      = qw(&parse_masters %oceans %commods %clients
                      &parse_pctb_commodmap %pctb_commodmap @pctb_commodmap
-                     &get_our_version);
+                     &get_our_version &check_tsv_line
+                     &pipethrough_prep &pipethrough_run
+                     &pipethrough_run_along &pipethrough_run_finish
+                     &pipethrough_run_gzip
+                     &cgipostform);
     %EXPORT_TAGS = ( );
 
     @EXPORT_OK   = qw();
@@ -109,15 +135,118 @@ sub parse_pctb_commodmap () {
     return 1;
 }
 
-sub get_our_version ($) {
-    my ($prefix);
-    {
-       no strict (qw(refs));
-       ${ "${prefix}name"  }= 'ypp-sc-tools yarrg';
-        ${ "${prefix}fixes" }= 'lastpage';
-        ${ "${prefix}version" }= `git-describe --tags HEAD`;
-        $? and die $?;
+sub get_our_version ($$) {
+    my ($aref,$prefix) = @_;
+    $aref->{"${prefix}name"}= 'ypp-sc-tools yarrg';
+    $aref->{"${prefix}fixes"}= 'lastpage';
+
+    my $version= `git-describe --tags HEAD`; $? and die $?;
+    chomp($version);
+    $aref->{"${prefix}version"}= $version;
+    return $aref;
+}
+
+sub pipethrough_prep () {
+    my $tf= IO::File::new_tmpfile() or die $!;
+    return $tf;
+}
+
+sub pipethrough_run_along ($$$@) {
+    my ($tf, $childprep, $cmd, @a) = @_;
+    $tf->flush or die $!;
+    $tf->seek(0,0) or die $!;
+    my $fh= new IO::File;
+    my $child= $fh->open("-|"); defined $child or die $!;
+    if (!$child) {
+       open STDIN, "<&", $tf;
+       &$childprep() if defined $childprep;
+       exec $cmd @a; die $!;
+    }
+    return $fh;
+}
+sub pipethrough_run_finish ($) {
+    my ($fh)= @_;
+    $fh->error and die $!;
+    close $fh or die "$! $?";  die $? if $?;
+}
+
+sub pipethrough_run ($$$@) {
+    my ($tf, $childprep, $cmd, @a) = @_;
+    my $pt= pipethrough_run_along($tf,$childprep,$cmd,@a);
+    my $r;
+    { undef $/; $!=0; $r= <$pt>; }
+    defined $r or die $!;
+    pipethrough_run_finish($pt);
+    return $r;
+}
+sub pipethrough_run_gzip ($) {
+    pipethrough_run($_[0],undef,'gzip','gzip');
+}
+
+sub cgipostform ($$$) {
+    my ($ua, $url, $form) = @_;
+    my $req= HTTP::Request::Common::POST($url,
+                                        Content => $form,
+                                        Content_Type => 'form-data');
+    if ($url =~ m,^\.?/,) {
+       my $tf= pipethrough_prep();
+       print $tf $req->content() or die $!;
+#print STDERR "[[[",$req->content(),"]]]";
+       my $out= pipethrough_run($tf, sub {
+           $ENV{'REQUEST_METHOD'}= 'POST';
+           $ENV{'QUERY_STRING'}= '';
+           $ENV{'PATH_TRANSLATED'}= $url;
+           $ENV{'PATH_INFO'}= '';
+           $ENV{'HTTP_HOST'}= 'localhost';
+           $ENV{'REMOTE_ADDR'}= '127.0.0.1';
+           $ENV{'GATEWAY_INTERFACE'}= 'CGI/1.1';
+           $ENV{'DOCUMENT_ROOT'}= '.';
+           $ENV{'SCRIPT_FILENAME'}= $url;
+           $ENV{'SCRIPT_NAME'}= $url;
+           $ENV{'HTTP_USER_AGENT'}= 'Commods.pm local test';
+
+           foreach my $f (qw(Content_Length Content_Type)) {
+               $ENV{uc $f}= $req->header($f);
+           }
+#system 'printenv >&2';
+       }, "$url", "$url");
+       $out =~ s/\r\n/\n/g;
+       $out =~ m,^Content-Type: text/plain.*\n\n, or die "$out ?";
+       return $';
+    } else {
+       my $resp= $ua->request($url,$req);
+       die $resp->status_line unless $resp->is_success;
+       return $resp->content();
+    }
+}
+
+our %check_tsv_done;
+
+sub check_tsv_line ($$) {
+    my ($l, $bad_data_callback) = @_;
+    my $bad_data= sub { &$bad_data_callback("bad data: line $.: $_[0]"); };
+    
+    chomp($l) or &$bad_data('missing end-of-line');
+
+    $l !~ m/\P{IsPrint}/ or &$bad_data('nonprinting char(s)');
+    $l !~ m/\\/ or &$bad_data('data contains backslashes');
+    my @v= split /\t/, $l, -1;
+    @v==6 or &$bad_data('wrong number of fields');
+    my ($commod,$stall) = @v;
+
+    !keys %commods or
+       defined $commods{$commod} or
+       &$bad_data("unknown commodity \`$commod'");
+    
+    $stall =~ m/^\p{IsUpper}|^[0-9]/ or &$bad_data("stall not capitalised");
+    !exists $check_tsv_done{$commod,$stall} or &$bad_data("repeated data");
+    $check_tsv_done{$commod,$stall}= 1;
+    foreach my $i (2..5) {
+       my $f= $v[$i];
+       $f =~ m/^(|0|[1-9][0-9]{0,5}|\>1000)$/ or &$bad_data("bad field $i");
+       ($i % 2) or ($f !~ m/\>/) or &$bad_data("> in field $i price");
     }
+    return @v;
 }
 
 1;