| 1 |
|
| 2 |
=head1 NAME
|
| 3 |
|
| 4 |
Message::Body::TextPlainFlowed --- Perl Module for Internet Media Type "text/plain"
|
| 5 |
with "Format=Flowed" parameter
|
| 6 |
|
| 7 |
=cut
|
| 8 |
|
| 9 |
package Message::Body::TextPlainFlowed;
|
| 10 |
use strict;
|
| 11 |
use vars qw(%DEFAULT @ISA $VERSION);
|
| 12 |
$VERSION=do{my @r=(q$Revision: 1.4 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
|
| 13 |
|
| 14 |
require Message::Body::Text;
|
| 15 |
push @ISA, qw(Message::Body::Text);
|
| 16 |
|
| 17 |
%DEFAULT = (
|
| 18 |
-_METHODS => [qw|value|],
|
| 19 |
-_MEMBERS => [qw|_charset|],
|
| 20 |
#default_charset
|
| 21 |
-parent_type => 'text/plain',
|
| 22 |
-use_normalization => 1,
|
| 23 |
-use_param_charset => 1,
|
| 24 |
);
|
| 25 |
|
| 26 |
=head1 CONSTRUCTORS
|
| 27 |
|
| 28 |
The following methods construct new C<Message::Field::Structured> objects:
|
| 29 |
|
| 30 |
=over 4
|
| 31 |
|
| 32 |
=item $body = Message::Body::TextPlain->new ([%options])
|
| 33 |
|
| 34 |
Constructs a new object. You might pass some options as parameters
|
| 35 |
to the constructor.
|
| 36 |
|
| 37 |
=cut
|
| 38 |
|
| 39 |
## Inherited
|
| 40 |
|
| 41 |
=item $body = Message::Body::TextPlain->parse ($body, [%options])
|
| 42 |
|
| 43 |
Constructs a new object with given field body. You might pass
|
| 44 |
some options as parameters to the constructor.
|
| 45 |
|
| 46 |
=cut
|
| 47 |
|
| 48 |
## parse: Inherited
|
| 49 |
sub _parse ($$) {
|
| 50 |
my $self = shift;
|
| 51 |
$self->SUPER::_parse (@_);
|
| 52 |
unless ($self->{_charset}) {
|
| 53 |
my @v;
|
| 54 |
my @l = split /\x0D?\x0A/, $self->{value};
|
| 55 |
|
| 56 |
for my $i (0..$#l) {
|
| 57 |
if ($i == 0 || $l[$i-1] !~ /\x20$/ || $l[$i-1] eq '-- ') {
|
| 58 |
$v[$#v+1] = {value => ''};
|
| 59 |
}
|
| 60 |
if ($l[$i] =~ s/^(>+)//) {
|
| 61 |
my $depth = length $1;
|
| 62 |
$v[$#v+1] = {value => ''} if defined $v[$#v]->{depth}
|
| 63 |
&& $depth != $v[$#v]->{depth};
|
| 64 |
$v[$#v]->{depth} = $depth;
|
| 65 |
}
|
| 66 |
$l[$i] = substr ($l[$i], 1) if substr ($l[$i], 0, 1) eq ' ';
|
| 67 |
$v[$#v]->{value} .= $l[$i];
|
| 68 |
}
|
| 69 |
$self->{value} = \@v;
|
| 70 |
}
|
| 71 |
$self;
|
| 72 |
}
|
| 73 |
|
| 74 |
=back
|
| 75 |
|
| 76 |
=cut
|
| 77 |
|
| 78 |
=item $body->header ([$new_header])
|
| 79 |
|
| 80 |
|
| 81 |
=cut
|
| 82 |
|
| 83 |
## Inherited
|
| 84 |
|
| 85 |
=item $body->value ([$new_body])
|
| 86 |
|
| 87 |
Returns C<body> as string unless $new_body.
|
| 88 |
Set $new_body instead of current C<body>.
|
| 89 |
|
| 90 |
=cut
|
| 91 |
|
| 92 |
## Inherited
|
| 93 |
|
| 94 |
=head2 $self->stringify ([%option])
|
| 95 |
|
| 96 |
Returns the C<body> as a string.
|
| 97 |
|
| 98 |
=cut
|
| 99 |
|
| 100 |
## $self->_prep_stringify ($value, \%option)
|
| 101 |
sub _prep_stringify ($$\%) {
|
| 102 |
my $self = shift;
|
| 103 |
my ($s, $option) = @_;
|
| 104 |
if (ref $s eq 'ARRAY') {
|
| 105 |
join "\x0D\x0A", grep {length $_} map {
|
| 106 |
my $quote = ('>' x $_->{depth});
|
| 107 |
my $line_body = $_->{value};
|
| 108 |
if ($quote) {
|
| 109 |
$quote .= ' ';
|
| 110 |
} else {
|
| 111 |
$line_body = ' ' . $line_body if $line_body =~ /^(?:\x20|[Ff]rom\x20|>)/;
|
| 112 |
}
|
| 113 |
$line_body = $self->_fold ($line_body, -initial_length => length $quote,
|
| 114 |
-quote => $quote);
|
| 115 |
$line_body .= "\x20\x0D\x0A" . $quote if length $line_body;
|
| 116 |
$quote . $line_body;
|
| 117 |
} @$s;
|
| 118 |
} else {
|
| 119 |
$s;
|
| 120 |
}
|
| 121 |
}
|
| 122 |
|
| 123 |
## $self->_fold ($string, %option = (-max, -initial_length) )
|
| 124 |
sub _fold ($$;%) {
|
| 125 |
my $self = shift;
|
| 126 |
my $string = shift;
|
| 127 |
my %option = @_;
|
| 128 |
my $max = 66;
|
| 129 |
$max = 20 if $max < 20;
|
| 130 |
$option{-newline} ||= "\x0D\x0A";
|
| 131 |
|
| 132 |
my $l = 0; #$option{-initial_length} || 0;
|
| 133 |
$string =~ s{([^\x09\x20]+[\x09\x20])}{
|
| 134 |
my $s = $1;
|
| 135 |
if ($l && $l + length $s > $max) {
|
| 136 |
if (!$option{-quote} && $s =~ /^(?:\x20|[Ff]rom\x20|>)/) {
|
| 137 |
$s = $option{-newline} . ' ' . $s;
|
| 138 |
} else {
|
| 139 |
$s = $option{-newline} . $option{-quote} . $s;
|
| 140 |
}
|
| 141 |
$l = length ($s) - 2; ## 2 is for CRLF
|
| 142 |
} else { $l += length $s }
|
| 143 |
$s;
|
| 144 |
}gex;
|
| 145 |
$string;
|
| 146 |
}
|
| 147 |
|
| 148 |
## Inherited: option, clone
|
| 149 |
|
| 150 |
=head1 SEE ALSO
|
| 151 |
|
| 152 |
RFC 822 <urn:ietf:rfc:822>,
|
| 153 |
RFC 2046 <urn:ietf:rfc:2046>, RFC 2646 <urn:ietf:rfc:2646>.
|
| 154 |
|
| 155 |
=head1 LICENSE
|
| 156 |
|
| 157 |
Copyright 2002 wakaba E<lt>w@suika.fam.cxE<gt>.
|
| 158 |
|
| 159 |
This program is free software; you can redistribute it and/or modify
|
| 160 |
it under the terms of the GNU General Public License as published by
|
| 161 |
the Free Software Foundation; either version 2 of the License, or
|
| 162 |
(at your option) any later version.
|
| 163 |
|
| 164 |
This program is distributed in the hope that it will be useful,
|
| 165 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 166 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 167 |
GNU General Public License for more details.
|
| 168 |
|
| 169 |
You should have received a copy of the GNU General Public License
|
| 170 |
along with this program; see the file COPYING. If not, write to
|
| 171 |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
| 172 |
Boston, MA 02111-1307, USA.
|
| 173 |
|
| 174 |
=head1 CHANGE
|
| 175 |
|
| 176 |
See F<ChangeLog>.
|
| 177 |
$Date: 2002/05/29 11:05:53 $
|
| 178 |
|
| 179 |
=cut
|
| 180 |
|
| 181 |
1;
|
Parent Directory
| 
Revision Log