# -*- perl -*- -w
#-
#- This is a wrapper for the Perl scripts. Allows execution of
#- the same script on different platforms. Mainly used for
#- TeXlive.
#-
#- When running TeXlive, "perl" must be available in the PATH
#-
##!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#
# This is almost guaranteed to not work. If someone has any
# suggestions, please contact marek@saftsack.fs.uni-bayreuth.de
#
##!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#-
# The above lines start up perl,
# below we find usual perl code

package main;
require 5.00305;
use strict;
use vars qw($LATEX2HTMLDIR $SCRIPT $TEXLIVEROOT);

# Set LATEX2HTMLDIR

my $tool = $0;
$tool =~ s/^.*://; # strip path
$tool =~ s/[.][^.]*$//; # strip extension

BEGIN {
    unless($LATEX2HTMLDIR = $ENV{'LATEX2HTMLDIR'}) {
#if @texlive@
        my $root = try($0) || ( -s $0 ?
        do {
            use Cwd;
            my $path = join(':',cwd(),$0);
            1 while($path =~ s|:\.?:|:|g); # simplify
            try($path);
        } :
        do {
            my $path = '';
            foreach(split(/[|]/, $ENV{PATH} || '')) {
                $path = $_ . ':' . $0;
                last if(-s $path);
                $path = '';
            }
            try($path);
        }) || die "Cannot determine TeXlive root path\n";

        $TEXLIVEROOT = $root;
        $LATEX2HTMLDIR = $ENV{'LATEX2HTMLDIR'} = $root . ':latex2html';
#else
        $LATEX2HTMLDIR = $ENV{'LATEX2HTMLDIR'} = '@LATEX2HTMLDIR@';
#fi
    }
    sub try {
        my ($path) = @_;
        $path =~ m/^(.*):bin:[^:]*:([^:]*)(\.\w+|)$:i ?
            $1 : '';
    }
}

if(-d $LATEX2HTMLDIR) {
    push(@INC,$LATEX2HTMLDIR);
} else {
    die qq{Fatal: Directory "$LATEX2HTMLDIR" does not exist.\n};
}

# now start the main script!
$SCRIPT = $LATEX2HTMLDIR . ":$tool.pl";
require "$LATEX2HTMLDIR/$tool.pl"
    || die "Fatal: Cannot load script $SCRIPT\n";