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# $Id: Link.pm,v 1.4 2004/05/08 18:33:46 btrott Exp $
package XML::Atom::Link;
use strict;
use XML::Atom;
use base qw( XML::Atom::ErrorHandler );
use constant NS => 'http://purl.org/atom/ns#';
sub new {
my $class = shift;
my $link = bless {}, $class;
$link->init(@_) or return $class->error($link->errstr);
$link;
}
sub init {
my $link = shift;
my %param = @_ == 1 ? (Body => $_[0]) : @_;
my $elem;
unless ($elem = $param{Elem}) {
if (LIBXML) {
my $doc = XML::LibXML::Document->createDocument('1.0', 'utf-8');
$elem = $doc->createElementNS(NS, 'link');
$doc->setDocumentElement($elem);
} else {
$elem = XML::XPath::Node::Element->new('link');
my $ns = XML::XPath::Node::Namespace->new('#default' => NS);
$elem->appendNamespace($ns);
}
}
$link->{elem} = $elem;
$link;
}
sub elem { $_[0]->{elem} }
sub get {
my $link = shift;
my($attr) = @_;
my $val = $link->elem->getAttribute($attr);
if ($] >= 5.008) {
require Encode;
Encode::_utf8_off($val);
}
$val;
}
sub set {
my $link = shift;
my($attr, $val) = @_;
$link->elem->setAttribute($attr, $val);
}
sub as_xml {
my $link = shift;
if (LIBXML) {
my $doc = XML::LibXML::Document->new('1.0', 'utf-8');
$doc->setDocumentElement($link->elem);
return $doc->toString(1);
} else {
return '<?xml version="1.0" encoding="utf-8"?>' . "\n" .
$link->elem->toString;
}
}
sub DESTROY { }
use vars qw( $AUTOLOAD );
sub AUTOLOAD {
(my $var = $AUTOLOAD) =~ s!.+::!!;
no strict 'refs';
*$AUTOLOAD = sub {
@_ > 1 ? $_[0]->set($var, @_[1..$#_]) : $_[0]->get($var)
};
goto &$AUTOLOAD;
}
1;
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