Current File : //proc/25810/root/usr/share/perl5/vendor_perl/Mail/DKIM/MessageParser.pm
#!/usr/bin/perl
# Copyright 2005 Messiah College. All rights reserved.
# Jason Long <jlong@messiah.edu>
# Copyright (c) 2004 Anthony D. Urso. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
use strict;
use warnings;
package Mail::DKIM::MessageParser;
use Carp;
sub new_object
{
my $class = shift;
return $class->TIEHANDLE(@_);
}
sub new_handle
{
my $class = shift;
local *TMP;
tie *TMP, $class, @_;
return *TMP;
}
sub TIEHANDLE
{
my $class = shift;
my %args = @_;
my $self = bless \%args, $class;
$self->init;
return $self;
}
sub init
{
my $self = shift;
$self->{in_header} = 1;
$self->{buf} = "";
}
sub PRINT
{
my $self = shift;
my $buf = $self->{buf};
$buf .= @_ == 1 ? $_[0] : join("", @_) if @_;
if ($self->{in_header}) {
while (length $buf)
{
if (substr($buf,0,2) eq "\015\012")
{
$buf = substr($buf, 2);
$self->finish_header();
$self->{in_header} = 0;
last;
}
if ($buf !~ /^(.+?\015\012)[^\ \t]/s)
{
last;
}
my $header = $1;
$self->add_header($header);
$buf = substr($buf, length($header));
}
}
if (!$self->{in_header}) {
my $j = rindex($buf,"\015\012");
if ($j >= 0)
{
$self->add_body(substr($buf, 0, $j+2));
substr($buf, 0, $j+2) = '';
}
}
$self->{buf} = $buf;
return 1;
}
sub CLOSE
{
my $self = shift;
my $buf = $self->{buf};
if ($self->{in_header})
{
if (length $buf)
{
# A line of header text ending CRLF would not have been
# processed yet since before we couldn't tell if it was
# the complete header. Now that we're in CLOSE, we can
# finish the header...
$buf =~ s/\015\012$//s;
$self->add_header("$buf\015\012");
}
$self->finish_header;
$self->{in_header} = 0;
}
else
{
if (length $buf)
{
$self->add_body($buf);
}
}
$self->{buf} = "";
$self->finish_body;
return 1;
}
sub add_header
{
die "add_header not implemented";
}
sub finish_header
{
die "finish_header not implemented";
}
sub add_body
{
die "add_body not implemented";
}
sub finish_body
{
# do nothing by default
}
sub reset
{
carp "reset not implemented";
}
1;
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