package IO::All::Link;
use strict;
use warnings;
use IO::All::File -base;
const type => 'link';
sub link {
my $self = shift;
bless $self, __PACKAGE__;
$self->name(shift) if @_;
$self->_init;
}
sub readlink {
my $self = shift;
$self->constructor->(CORE::readlink($self->name));
}
sub symlink {
my $self = shift;
my $target = shift;
$self->assert_filepath if $self->_assert;
CORE::symlink($target, $self->pathname);
}
sub AUTOLOAD {
my $self = shift;
our $AUTOLOAD;
(my $method = $AUTOLOAD) =~ s/.*:://;
my $target = $self->target;
unless ($target) {
$self->throw("Can't call $method on symlink");
return;
}
$target->$method(@_);
}
sub target {
my $self = shift;
return *$self->{target} if *$self->{target};
my %seen;
my $link = $self;
my $new;
while ($new = $link->readlink) {
my $type = $new->type or return;
last if $type eq 'file';
last if $type eq 'dir';
return unless $type eq 'link';
return if $seen{$new->name}++;
$link = $new;
}
*$self->{target} = $new;
}
=encoding utf8
=head1 NAME
IO::All::Link - Symbolic Link Support for IO::All
=head1 SYNOPSIS
See L<IO::All>.
=head1 DESCRIPTION
=head1 AUTHOR
Ingy döt Net <ingy@cpan.org>
=head1 COPYRIGHT
Copyright (c) 2004. Brian Ingerson.
Copyright (c) 2006, 2008. Ingy döt Net.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
See http://www.perl.com/perl/misc/Artistic.html
=cut
1;