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# This code is part of Perl distribution Mail-Message version 3.019.
# The POD got stripped from this file by OODoc version 3.05.
# For contributors see file ChangeLog.
# This software is copyright (c) 2001-2025 by Mark Overmeer.
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
package Mail::Message::Field::Structured;{
our $VERSION = '3.019';
}
use base 'Mail::Message::Field::Full';
use strict;
use warnings;
use Mail::Message::Field::Attribute;
use Storable 'dclone';
#--------------------
sub init($)
{ my ($self, $args) = @_;
$self->{MMFS_attrs} = {};
$self->{MMFS_datum} = $args->{datum};
$self->SUPER::init($args);
my $attr = $args->{attributes} || [];
$attr = [ %$attr ] if ref $attr eq 'HASH';
while(@$attr)
{ my $name = shift @$attr;
if(ref $name) { $self->attribute($name) }
else { $self->attribute($name, shift @$attr) }
}
$self;
}
sub clone() { dclone(shift) }
#--------------------
sub attribute($;$)
{ my ($self, $attr) = (shift, shift);
my $name;
if(ref $attr) { $name = $attr->name }
elsif( !@_ ) { return $self->{MMFS_attrs}{lc $attr} }
else
{ $name = $attr;
$attr = Mail::Message::Field::Attribute->new($name, @_);
}
delete $self->{MMFF_body};
$self->{MMFS_attrs}{lc $name} = $attr;
}
sub attributes() { values %{$_[0]->{MMFS_attrs}} }
sub beautify() { delete $_[0]->{MMFF_body} }
sub attrPairs() { map +($_->name, $_->value), $_[0]->attributes }
#--------------------
sub parse($)
{ my ($self, $string) = @_;
for($string)
{ # remove FWS, even within quoted strings
s/\r?\n(\s)/$1/gs;
s/\r?\n/ /gs;
s/\s+$//;
}
my $datum = '';
while(length $string && substr($string, 0, 1) ne ';')
{ (undef, $string) = $self->consumeComment($string);
$datum .= $1 if $string =~ s/^([^;(]+)//;
}
$self->{MMFS_datum} = $datum;
my $found = '';
while($string =~ m/\S/)
{ my $len = length $string;
if($string =~ s/^\s*\;\s*// && length $found)
{ my ($name) = $found =~ m/^([^*]+)\*/;
if($name && (my $cont = $self->attribute($name)))
{ $cont->addComponent($found); # continuation
}
else
{ my $attr = Mail::Message::Field::Attribute->new($found);
$self->attribute($attr);
}
$found = '';
}
(undef, $string) = $self->consumeComment($string);
$string =~ s/^\n//;
(my $text, $string) = $self->consumePhrase($string);
$found .= $text if defined $text;
if(length($string) == $len)
{ # nothing consumed, remove character to avoid endless loop
$string =~ s/^\s*\S//;
}
}
if(length $found)
{ my ($name) = $found =~ m/^([^*]+)\*/;
if($name && (my $cont = $self->attribute($name)))
{ $cont->addComponent($found); # continuation
}
else
{ my $attr = Mail::Message::Field::Attribute->new($found);
$self->attribute($attr);
}
}
1;
}
sub produceBody()
{ my $self = shift;
my $attrs = $self->{MMFS_attrs};
my $datum = $self->{MMFS_datum};
join '; ', ($datum // ''),
map $_->string, @{$attrs}{sort keys %$attrs};
}
sub datum(@)
{ my $self = shift;
@_ or return $self->{MMFS_datum};
delete $self->{MMFF_body};
$self->{MMFS_datum} = shift;
}
1;
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