schema creator in Perl

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

diff --git a/pctb/Commods.pm b/pctb/Commods.pm
index 073906ff9da07defd3a8aa3380115ffc6c3cbcd9..712847db34601b6f4395507396f0cdb20da7ebe7 100644 (file)
--- a/pctb/Commods.pm
+++ b/pctb/Commods.pm
@@ -1,3 +1,24 @@
+# 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;
@@ -13,8 +34,9 @@ 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 = ( );
@@ -117,7 +139,10 @@ sub get_our_version ($$) {
     my ($aref,$prefix) = @_;
     $aref->{"${prefix}name"}= 'ypp-sc-tools yarrg';
     $aref->{"${prefix}fixes"}= 'lastpage';
-    $aref->{"${prefix}version"}= `git-describe --tags HEAD`; $? and die $?;
+
+    my $version= `git-describe --tags HEAD`; $? and die $?;
+    chomp($version);
+    $aref->{"${prefix}version"}= $version;
     return $aref;
 }
 
@@ -125,21 +150,33 @@ sub pipethrough_prep () {
     my $tf= IO::File::new_tmpfile() or die $!;
     return $tf;
 }
-    
-sub pipethrough_run ($$$@) {
+
+sub pipethrough_run_along ($$$@) {
     my ($tf, $childprep, $cmd, @a) = @_;
     $tf->flush or die $!;
     $tf->seek(0,0) or die $!;
-    my $child= open GZ, "-|"; defined $child 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= <GZ>; }
+    { undef $/; $!=0; $r= <$pt>; }
     defined $r or die $!;
-    close GZ or die "$! $?";  die $? if $?;
+    pipethrough_run_finish($pt);
     return $r;
 }
 sub pipethrough_run_gzip ($) {
@@ -148,7 +185,7 @@ sub pipethrough_run_gzip ($) {
 
 sub cgipostform ($$$) {
     my ($ua, $url, $form) = @_;
-    my $req= HTTP::Request::Common::POST($url, 
+    my $req= HTTP::Request::Common::POST($url,
                                         Content => $form,
                                         Content_Type => 'form-data');
     if ($url =~ m,^\.?/,) {
@@ -173,6 +210,7 @@ sub cgipostform ($$$) {
            }
 #system 'printenv >&2';
        }, "$url", "$url");
+       $out =~ s/\r\n/\n/g;
        $out =~ m,^Content-Type: text/plain.*\n\n, or die "$out ?";
        return $';
     } else {
@@ -182,4 +220,33 @@ sub cgipostform ($$$) {
     }
 }
 
+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;