Can fetch and parse the commodmap

diff --git a/pctb/yppsc-commod-processor b/pctb/yppsc-commod-processor
index 0e1a7d0d0399a81d7502cf29d6099b2ee0797cbb..911242c82a5f3a6963e22a7079ce5e2ab86808d4 100755 (executable)
--- a/pctb/yppsc-commod-processor
+++ b/pctb/yppsc-commod-processor
@@ -26,7 +26,11 @@
 
 
 use strict (qw(vars));
-use Data::Dumper;
+use HTTP::Request;
+use IO::File;
+use POSIX;
+use LWP::UserAgent;
+use XML::Parser;
 
 # $commod{'Hemp'}{Buy|Sell}{'stall'}{Stall}
 # $commod{'Hemp'}{Buy|Sell}{'stall'}{Price}
@@ -216,10 +220,121 @@ sub main__tsv () {
     }
 }
 
+
+our (%commodmap);
+our ($pctb) = 'http://pctb.ilk.org/';
+our ($ua);
+
+sub load_commodmap() {
+    undef %commodmap;
+    my $c= new IO::File "#commodmap#.tsv";
+    if (!$c) { $!==&ENOENT or die $!; return; }
+    while (<$c>) {
+       m/^(\S.*\S)\t(\d+)\n$/ or die "$_";
+       $commodmap{$1}= $2;
+    }
+    $c->error and die $!;
+    close $c;
+}
+
+sub refresh_commodmap() {
+    my $ua= LWP::UserAgent->new;
+    my $resp= $ua->get("$pctb/commodmap.php");
+    die $resp->status_line unless $resp->is_success;
+
+    my $cdata='';
+    my $incommodmap=0;
+    my $intag='';
+    my %got;
+    my $o= new IO::File "#commodmap#.tsv.new",'w' or die $!;
+
+    my $xp= new XML::Parser
+       (Handlers =>
+        {
+            Start => sub {
+                $_=$_[1];
+print STDERR "START [$_] intag=$intag icm=$incommodmap\n";
+                if (m/^commodmap$/i) {
+                    $incommodmap++;
+                    undef %got;
+                } elsif (m/^(?:name|index)$/i) {
+                    $cdata='';
+                    $intag=lc($_) if $incommodmap;
+                    print STDERR "START RECOGNISED $intag icm=$incommodmap\n";
+                } else {
+                    print STDERR "START UNRECOGNISED\n";
+                }
+            },
+            End => sub {
+                $_=$_[1];
+print STDERR "END [$_] intag=$intag icm=$incommodmap\n";
+                if (m/^commodmap$/i) {
+                    $incommodmap--;
+                    die unless exists $got{'name'};
+                    die unless exists $got{'index'};
+                    die unless $got{'index'} =~ m/^\s*([1-9]\d{0,3})\s*$/;
+                    my $index= $1;
+                    $_= $got{'name'};
+                    s/^\s+//; s/\s+$//; s/\n/ /g; s/\s+/ /;
+                    die if exists $commodmap{$_};
+                    $commodmap{$_}= $index;
+                    print $o "$_\t$index\n" or die $!;
+                } elsif (lc $_ eq $intag) {
+                    $got{$intag}= $cdata;
+                }
+            },
+            Char => sub {
+print STDERR "CHAR [$_[1]] intag=$intag icm=$incommodmap\n";
+                $cdata .= $_[1];
+            }
+        }) or die;
+    my $content= $resp->content;
+
+    # hacks to strip off drivel that seems to have been added!
+    $content =~ s/^.*\n(\<\?xml)/$1/s;
+    $content =~ s/\<\/body\>.*//s;
+    print STDERR "[[[$content]]]\n";
+    $xp->parse($content);
+    close $o or die $!;
+    rename "#commodmap#.tsv.new","#commodmap#.tsv" or die $!;
+}
+       
+#
+#sub bs_gen_md ($) {
+#    my ($bs) = @_;
+       
+
+sub main__genmarketdata () {
+    our $version= '005b';
+
+    load_commodmap();
+    my @missing= grep { !exists $commodmap{$_} } keys %commod;
+    if (@missing) {
+       refresh_commodmap();
+       my $missing=0;
+       foreach $commod (sort keys %commod) {
+           next if exists $commodmap{$commod};
+           print STDERR "Unknown commodity \`%s'!\n";
+           $missing++;
+       }
+       die "$missing unknown commodities.  OCR failure?\n"
+           if $missing;
+    }    
+    
+ #   foreach $commod (sort keys %commod) {
+#      next if 
+       
+
+#    bs_gen_md(Buy);
+#    bs_gen_md(Sell);
+}
+
+
 sub main__upload () {
     die "\nUploading not yet implemented, sorry.\n";
 }
 
+
 $mode =~ s/\-//;
 &{"main__$mode"};
 close(STDOUT) or die $!;