#!/usr/bin/perl -w

=head1 parse the "Private Message XML Ticker" with C<index> and C<substr>

For real.  Probably won't work if the "DTD" changes (not bloody likely).

=cut

use strict;
use LWP::Simple;
# private message xml ticker 15848
my $user = shift or die "please supply username";
my $pass = shift or die "please supply password";
my $html = get('http://perlmonks.org/index.pl?node_id=15848;op=login;ticker=yes;user='
               .$user.';passwd='.$pass);

die unless $html;
warn $html;

my $fh = [split "\n", $html];

while(@{$fh}) {
    parse_private_messages(shift @{$fh}, $fh);
}
exit;


sub fmat_timestamp {
    my $s = shift;
#yyyymmddhhmmss
    my $y = substr($s,0,4,'');
    my $m = substr($s,0,2,'');
    my $d = substr($s,0,2,'');
    my $h = substr($s,0,2,'');
    my $mm = substr($s,0,2,'');
    my $ss = substr($s,0,2,'');

#yyyy-mm-dd hh:mm:ss
    return "$y-$m-$d $h:$mm:$ss";
}

sub parse_private_messages {
    my $s = shift;
    my $fh = shift;

#<message status="active" user_id="83485" author="blakem" message_id="539766685" time="20011130001441">
    my $sX = index($s,'<message status="'); # 17 active|archived
    my $iX = index($s,'" user_id="'); # 11
    my $aX = index($s,'" author="'); # 10
    my $mX = index($s,'" message_id="'); # 14
    my $tX = index($s,'" time="'); # 8 ++ 14

    my ($status, $id, $author, $mid, $time);

    if($sX >=0 and $iX >= 0 and $aX >= 0 and $mX >= 0 and $tX >= 0) {
        printf '(%s)(%s)(%s)(%s)(%s)'."\n", $sX, $iX, $aX, $mX, $tX;
        printf '(%s)(%s)(%s)(%s)(%s)'."\n",
            $status = substr($s,$sX + 17, $iX - $sX - 17),
            $id = substr($s,$iX + 11, $aX - $iX - 11),
            $author = substr($s,$aX + 10, $mX - $aX - 10),
            $mid= substr($s,$mX + 14, $tX - $mX - 14),
            $time= fmat_timestamp(substr($s,$tX + 8, 14)),
            ,;

        $s = shift(@{$fh});
        #</message> # 10
        print substr($s,0, -10);
        print "\n\n";
    }
}

__END__

<CHATTER><INFO site="http://perlmonks.org" sitename="Perl Monks">Rendered by the
 Private Message XML Ticker</INFO>
        <message status="active" user_id="83485" author="blakem" message_id="539
766685" time="20011130001441">
heh, [podmaster] is Cheesy WebRing Member #69 ;-)</message>
        <message status="active" user_id="78006" author="no_slogan" message_id="
539897350" time="20020314043623">
Re pseudorandom: Touche.</message>
</CHATTER>


(1)(24)(40)(56)(79)
(active)(83485)(blakem)(539766685)(2001-11-30 00:14:41)
heh, [podmaster] is Cheesy WebRing Member #69 ;-)

(1)(24)(40)(59)(82)
(active)(78006)(no_slogan)(539897350)(2002-03-14 04:36:23)
Re pseudorandom: Touche.