#!/usr/bin/perl

# Copyright (C) 2001 by Claudiu Costin
# <claudiuc@work.ro>
#
# 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.

use Getopt::Long;

my $prefix = '';
my $depth = 1;
GetOptions( 'prefix=s' => \$prefix,
            'depth=i' => \$depth ) || die "Wrong options\n";

$initialdepth = $depth;
$b3=$b2=$b1="";
$in_processing=0;
while (<>) {
    chop;

    if (/Table of Contents<\/B/) {
        $in_processing=1;
        next;
    }
    last if (/List of Tables/);
    next if (!$in_processing);

    if (/HREF=\"(.+)\"/) {
        $url = $1;
    }
    if (/>(.+)<\/A/) {
        $name=$1;
        $name =~ s/\"/&quote;/g;
        $name =~ s/&#8212;/-/g;
        $name =~ s/^\s*-?\s*//g;
        $name =~ s/\.$//g;
#        print "NAME $name\n";
    }

    if ($b3 =~ /><DL/i) {
	$depth++;
        $b3=$b2;
        $b2=$b1;
	$b1=$_;
	next;
    }
    if ($b3 =~ /><\/DL/i) {
	$depth--;
	print "  "x($depth-1) . "</tocsect${depth}>\n" if ($depth != $initialdepth-1);
        $b3=$b2;
        $b2=$b1;
	$b1=$_;
	next;
    }

    if ($b3 =~ />.*<\/DT/i && $name ne "" && $url ne "") {
	if ($b1 =~ /><DL/i) {
	    print "  "x($depth-1) . "<tocsect${depth} name=\"$name\" url=\"$url\">\n";
        } else {
	    print "  "x($depth-1) . "<tocsect${depth} name=\"$name\" url=\"$url\"/>\n";
        }
    }

    # a simulated delay line with 6 cells
    $b3=$b2;
    $b2=$b1;
    $b1=$_;
}