# -*- perl -*-

#
# $Id: Gardown.pm,v 1.1 2005/04/16 12:56:03 eserte Exp $
# Author: Slaven Rezic
#
# Copyright (C) 2005 Slaven Rezic. All rights reserved.
# This package is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
#
# Mail: slaven@rezic.de
# WWW:  http://bbbike.sourceforge.net
#

package Strassen::Gardown;

=head1 NAME

Strassen::Gardown - support for the gardown format

=head1 DESCRIPTION

See L<http://www.anali.demon.co.uk/gardown.htm> for programm
information.

=cut

use strict;
use vars qw(@ISA);

require Strassen::Core;

require GPS::Gardown;

@ISA = 'Strassen';

sub new {
    my($class, $filename, %args) = @_;
    my $self = {};
    bless $self, $class;

    if ($filename) {
	$self->read_gardown_plus($filename, %args);
    }

    $self;
}

sub read_gardown_plus {
    my($self, $file, %args) = @_;

    my $wp = GPS::Gardown->new;
    my $res = $wp->parse($file, %args);
    return if !$res;

    $self->{Data} = [];

    if ($res->{type} eq 'W') {
	for my $p (@{ $res->{points} }) {
	    $self->push([$p->[2], [$p->[0].",".$p->[1]], "X"]);
	}
    } else {
	$self->push(["", [ map { $_->[0].",".$_->[1] } @{ $res->{points} } ], "X"]);
    }
}

return 1 if caller;

my $file = shift || die "Please specify Gardown file";
my $s = Strassen::Gardown->new($file);
print $s->write("-");