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package Mail::AuthenticationResults::Token::Comment;
# ABSTRACT: Class for modelling AuthenticationResults Header parts detected as comments
require 5.008;
use strict;
use warnings;
our $VERSION = '2.20210112'; # VERSION
use Carp;
use base 'Mail::AuthenticationResults::Token';
sub is {
my ( $self ) = @_;
return 'comment';
}
sub parse {
my ($self) = @_;
my $header = $self->{ 'header' };
my $value = q{};
my $depth = 0;
my $first = substr( $header,0,1 );
if ( $first ne '(' ) {
croak 'Not a comment';
}
while ( length $header > 0 ) {
my $first = substr( $header,0,1 );
$header = substr( $header,1 );
$value .= $first;
if ( $first eq '(' ) {
$depth++;
}
elsif ( $first eq ')' ) {
$depth--;
last if $depth == 0;
}
}
if ( $depth != 0 ) {
croak 'Mismatched parens in comment';
}
$value =~ s/^\(//;
$value =~ s/\)$//;
$self->{ 'value' } = $value;
$self->{ 'header' } = $header;
return;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Mail::AuthenticationResults::Token::Comment - Class for modelling AuthenticationResults Header parts detected as comments
=head1 VERSION
version 2.20210112
=head1 DESCRIPTION
Token representing a comment
=head1 AUTHOR
Marc Bradshaw <marc@marcbradshaw.net>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2020 by Marc Bradshaw.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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