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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::Convert::Html;{
our $VERSION = '3.019';
}
use base 'Mail::Message::Convert';
use strict;
use warnings;
use Carp;
#--------------------
sub init($)
{ my ($self, $args) = @_;
$self->SUPER::init($args);
my $produce = $args->{produce} || 'HTML';
$self->{MMCH_tail}
= $produce eq 'HTML' ? '>'
: $produce eq 'XHTML' ? ' />'
: carp "Produce XHTML or HTML, not $produce.";
$self;
}
#--------------------
sub textToHtml(@)
{ my $self = shift;
my @lines = @_; # copy is required
foreach (@lines)
{ s/\&/&/gs; s/\</</gs;
s/\>/>/gs; s/\"/"/gs;
}
wantarray ? @lines : join('', @lines);
}
sub fieldToHtml($;$)
{ my ($self, $field, $subject) = @_;
'<strong>'. $self->textToHtml($field->wellformedName) . ': </strong>' . $self->fieldContentsToHtml($field, $subject);
}
sub headToHtmlTable($;$)
{ my ($self, $head) = (shift, shift);
my $tp = @_ ? ' '.shift : '';
my $subject;
if($self->{MMHC_mailto_subject})
{ my $s = $head->get('subject');
use Mail::Message::Construct;
$subject = Mail::Message::Construct->replySubject($s) if defined $s;
}
my @lines = "<table $tp>\n";
foreach my $f ($self->selectedFields($head))
{ my $name_html = $self->textToHtml($f->wellformedName);
my $cont_html = $self->fieldContentsToHtml($f, $subject);
push @lines,
qq(<tr><th valign="top" align="left">$name_html:</th>\n),
qq( <td valign="top">$cont_html</td></tr>\n);
}
push @lines, "</table>\n";
wantarray ? @lines : join('',@lines);
}
sub headToHtmlHead($@)
{ my ($self, $head) = (shift,shift);
my %meta;
while(@_) { my $k = shift; $meta{lc $k} = shift }
my $title = delete $meta{title} || $head->get('subject') || '<no subject>';
my @lines = (
"<head>\n",
"<title>".$self->textToHtml($title) . "</title>\n",
);
my $author = delete $meta{author};
unless(defined $author)
{ my $from = $head->get('from');
my @addr = defined $from ? $from->addresses : ();
$author = @addr ? $addr[0]->format : undef;
}
push @lines, '<meta name="Author" content="' . $self->textToHtml($author) . "\"$self->{MMCH_tail}\n"
if defined $author;
foreach my $f (map {lc} keys %meta)
{ next if $meta{$f} eq ''; # empty is skipped.
push @lines,
'<meta name="'. ucfirst lc $self->textToHtml($f)
. '" content="'. $self->textToHtml($meta{$f})
."\"$self->{MMCH_tail}\n";
}
foreach my $f ($self->selectedFields($head))
{ next if exists $meta{$f->name};
push @lines,
'<meta name="' . $self->textToHtml($f->wellformedName)
. '" content="' . $self->textToHtml($f->content)
. "\"$self->{MMCH_tail}\n";
}
push @lines, "</head>\n";
wantarray ? @lines : join('',@lines);
}
my $atom = qr/[^()<>@,;:\\".\[\]\s[:cntrl:]]+/;
my $email_address = qr/(($atom(?:\.$atom)*)\@($atom(?:\.$atom)+))/o;
sub fieldContentsToHtml($;$)
{ my ($self, $field, $subj) = @_;
my $subject = defined $subj ? '?subject='.$self->textToHtml($subj) : '';
my $body = $self->textToHtml($field->body);
my $comment = $field->comment;
$body =~ s#$email_address#<a href="mailto:$1$subject">$1</a>#gx
if $field->name =~ m/^(resent-)?(to|from|cc|bcc|reply\-to)$/;
$body . ($comment ? '; '.$self->textToHtml($comment) : '');
}
1;
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