# Copyright 2002-2007 Interchange Development Group and others
# 
# 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 2 of the License, or
# (at your option) any later version.  See the LICENSE file for details.
# 
# $Id: rotate_table.coretag,v 1.4 2007-03-30 23:40:54 pajamian Exp $

UserTag rotate-table Order        rotate
UserTag rotate-table PosNumber    1
UserTag rotate-table Interpolate  1
UserTag rotate-table HasEndTag    1
UserTag rotate-table Version      $Revision: 1.4 $
UserTag rotate-table Routine      <<EOR
sub {
my ($rotate, $text) = @_;
return $text unless $rotate;
my $rotated = '';
$text =~ s/(.*<TABLE.*?>)//si;
my $out = $1 || '';
$text =~ s:(.*?)</table\s*>:</TABLE>:si;
my $table = $1;

my @cols;

while ($table =~ m:<TR.*?>(.*?)</TR>:sig) {
  push @cols, $1;
}

my $i = 0;
my @rows;
my @meta;
my $rows = 0;
my @r; my @c; my @m;
my ($r,$c);

for (@cols) {
  while(m:<T([HD])(.*?)>(.*?)</T\1>:sig) {
    my $meta = $1 . $2;
    push @r, $3;
    if($meta =~ /SPAN/i) {
      $meta =~ s/\bcolspan\s*=/ROWMETASPAN=/ig;
      $meta =~ s/\browspan\s*=/COLMETASPAN=/ig;
      $meta =~ s/(ROW|COL)META/$1/g;
    }
    push @m, $meta;
  }
  $meta[$i] = [@m];
  $rows[$i] = [@r];
  $i++;
  $rows = $rows < $#r ? $#r : $rows;
  undef @m;
  undef @r;
}
foreach $r (0 .. $rows) {
  $rotated .= "<TR>\n";
  foreach $c (0 .. $#cols) {
    $rotated .= "<T" . $meta[$c]->[$r] . ">";
    $rotated .= "$rows[$c]->[$r]";
    $rotated .= "</TD>\n"
  }
  $rotated .= "</TR>\n";
}
return $out . $rotated . $text;
}
EOR