#!/usr/bin/perl

use Getopt::Long;

my $prefix = '';
GetOptions( 'prefix=s' => \$prefix,
            'title=s'  => \$title,
            'main=s'   => \$main ) || die "Wrong options\n";

$file = $ARGV[0];
open(FILE, "$file") || die "File not found: $file\n";

$prevdepth = 1;
$depth = 1;
print "<tocsect${depth} name=\"$title\" url=\"$main.html\"";

while (<FILE>) {

      if (/^\s*href/ && !/.*\<\/A\>$/i) {
              chop;
              $_ = $_ . <FILE>;
      }
      if (/\<UL\>/i) {
              $depth++;
      } elsif (/\<\/UL\>/i) {
              print "/" if ($prevdepth == $depth);
              $depth--;
              print ">\n</tocsect${depth}";
      } elsif (/^\s*href=\"([^\"]+)\"\>(.+)\<\/A\>$/i) {
              $url = "$prefix/$1";
              $name = dehtml($2);
              $name =~ s/\s+/ /g;
              print "/" if ($prevdepth == $depth);
              print ">\n<tocsect${depth} name=\"$name\" url=\"$url\"";
              $prevdepth = $depth;
      }
}

print ">\n";
close(FILE);

sub dehtml
{
        my ( $str ) = @_;

        $str =~ s/\<(tt|b) class=\"([^\"]*)\"\>//g;
        $str =~ s/\<\/(tt|b)\>//g;
        $str =~ s/\<i\>//g;
        $str =~ s/\<\/i\>//g;

        return $str;
}