+#!/usr/bin/perl -w
+#
+# This script is invoked when the YPP SC PCTB client phones home to
+# provide updated character set OCR data or updated screenshot pixmap
+# interpretation (island name) data.
+#
+# The client will also phone home anyway to fetch the latest parsedb
+# before
+#
+# This allows me (the operator of the SC server) to:
+# - review the choices made by the user
+# - if they are correct, incorporate them in the next client version
+# - if they are wrong, incorporate fixes of them, or contradictions of them,
+# in
+
+# The information reported
+# The SC PCTB client does this so that
+
+use strict (qw(vars));
+
+$CGI::POST_MAX= 65536;
+$CGI::DISABLE_UPLOADS= 1;
+
+use CGI qw/:standard -private_tempfiles/;
+use IO::Pipe;
+use IO::Handle;
+
+#---------- pixmaps ----------
+
+sub parseentryin__pixmap ($) {
+ my ($entry_in) = @_;
+ $entry_in =~
+ m/^(\w+ \- \w[-+'"#! 0-9a-z]*)\nP3\n([1-9]\d{1,3}) ([1-9]\d{1,3})\n255\n/s or die; # ']);
+ my ($def,$w,$h)= ($1, $2+0, $3+0);
+ my @d= grep { m/./ } split /\s+/, $';
+ @d == $w*$h*3 or die "$d[0]|$d[1]|...|$d[$#d-1]|$d[$#d] ?";
+ map {
+ m/\D/ and die "$& ?";
+ $_ += 0;
+ $_ >= 0 or die "$_ ?";
+ $_ <= 255 or die "$_ ?";
+ } @d;
+ my $ppm= "P3\n$w $h\n255\n";
+ my $di=0;
+ for (my $y=0; $y<$h; $y++) {
+ for (my $x=0; $x<$w; $x++, $di+=3) {
+#print STDERR ">$x,$y,$di,",scalar(@d),"<\n";
+ $ppm .= sprintf " %3d %3d %3d", @d[$di..$di+2];
+ }
+ $ppm .= "\n";
+ }
+
+ my $icon= pipeval($ppm,
+ 'ppmtopgm',
+ 'pnmscale -xysize 156 80',
+ 'pnmnorm -bpercent 40 -wpercent 20',
+ 'pgmtopbm -threshold',
+ 'pnminvert',
+ 'pbmtoascii -2x4');
+
+ my $whole= pipeval($ppm,
+ 'ppmtopgm',
+ 'pnmnorm -bpercent 40 -wpercent 20',
+ 'pgmtopbm -threshold',
+ 'pnminvert',
+ 'pbmtoascii');
+
+ my $entry= "$def\n$ppm";
+ return ('',$def,$entry,$icon,$w,$whole);
+}
+
+#---------- characters ----------
+
+sub parseentryin__char ($) {
+ my ($ei) = @_;
+ $ei =~ m/^([1-9]\d{0,2})\n(Digit|Upper|Lower)\n((?:[-&\'A-F0-9a-f ]|\x20)+)\n/s or die;
+ my ($h,$ctx,$str)= ($1+0,$2,$3);
+#print STDERR ">$'<\n";
+ my @d= grep { m/./ } split /\n/, $';
+#print STDERR ">@d<\n";
+ die if $h>31;
+ die if @d>400;
+ my $maxval= (1<<$h)-1;
+ map {
+ m/^[0-9a-f]{1,8}$/ or die;
+ $_= hex $_;
+ die "$_ ?" if $_ > $maxval;
+ } @d;
+ my $w= @d;
+ my $ppm= "P2\n$w $h\n1\n";
+ for (my $y=0; $y<$h; $y++) {
+ for (my $x=0; $x<$w; $x++) {
+ $ppm .= sprintf " %d", !!($d[$x] & (1<<$y));
+ }
+ $ppm .= "\n";
+ }
+ my $entry= sprintf "%d\n%s\n%s\n", $h,$ctx,$str;
+ map { $entry .= sprintf "%x\n", $_; } @d;
+
+#print STDERR "[[[[\n$ppm\n]]]]";
+
+ my $icon= pipeval($ppm,
+# "pnmscale -xysize 78 $h",
+ 'pgmtopbm -threshold',
+ 'pnminvert',
+ 'pbmtoascii');
+
+ return ("$ctx",$str,$entry, '',$w,$icon);
+}
+
+#---------- useful stuff ----------
+
+sub pipeval ($@) {
+ my ($val, @cmds) = @_;
+ my (@pids);
+
+ my $lastpipe;
+
+ foreach my $cmd ('',@cmds) {
+ my $pipe= new IO::Pipe or die $!;
+ my $pid= fork(); defined $pid or die $!;
+
+ if (!$pid) {
+ $pipe->writer();
+ if (!$lastpipe) {
+ print $pipe $val or die $!;
+ exit 0;
+ } else {
+ open STDIN, '<&', $lastpipe or die $!;
+ open STDOUT, '>&', $pipe or die $!;
+ close $lastpipe or die $!;
+ close $pipe or die $!;
+ exec $cmd; die $!;
+ }
+ }
+ $pipe->reader();
+ if ($lastpipe) { close $lastpipe or die $!; }
+ $lastpipe= $pipe;
+ push @pids, $pid;
+ }
+
+ $!=0; { local ($/)=undef; $val= <$lastpipe>; }
+ defined $val or die $!;
+ $lastpipe->error and die $!; close $lastpipe or die $!;
+
+ foreach my $cmd ('(paste)', @cmds) {
+ my $pid= shift @pids;
+ waitpid($pid,0) == $pid or die "$pid $? $!";
+ $?==0 or $?==13 or die "$cmd $?";
+ }
+ return $val;
+}
+
+#---------- main program ----------
+
+my $path= path_info();
+my $entry_in= param('entry');
+defined $entry_in or die;
+
+my $owner= `whoami`; $? and die $?;
+chomp $owner;
+
+my $kind;
+
+if ($path =~ /(pixmap|char)/) {
+ $kind=$1;
+} else {
+ die "$path ?";
+}
+
+my ($ctx,$def,$entry,$icon,$width,$whole)= &{"parseentryin__$kind"}($entry_in);
+
+$icon =~ s/^/ /mg;
+
+my $email= <<END
+To: $owner
+Subject: yppsc dictionary update
+
+Context: $kind $ctx
+Definition: $def
+
+$icon
+
+END
+ ;
+
+$whole =~ s/(.*)\n/ sprintf "%-${width}s\n", $1 /mge;
+$whole =~ s/^/|/mg;
+$whole =~ s/\n/|\n/mg;
+$whole =~ s/^(.*)/ ",".('_' x $width).".\n".$1 /e;
+$whole =~ s/(.*)$/ $1."\n\`".('~' x $width)."'\n" /e;
+
+my $lw= 79;
+
+while ($whole =~ m/../) {
+ my $lhs= $whole;
+ $lhs =~ s/^(.{0,$lw}).*$/$1/mg;
+ $whole =~ s/^.{1,$lw}//mg;
+#print STDERR "[[[[[$lhs########$whole]]]]]\n";
+ $email .= $lhs;
+}
+
+END
+ ;
+
+my $cutline= "-8<-\n";
+$email .= $cutline.$entry.$cutline;
+
+print $email or die $!;