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| Current File : //lib64/perl5/vendor_perl/XML/LibXML/Boolean.pm |
# $Id$
#
#
# This is free software, you may use it and distribute it under the same terms as
# Perl itself.
#
# Copyright 2001-2003 AxKit.com Ltd., 2002-2006 Christian Glahn, 2006-2009 Petr Pajas
#
#
package XML::LibXML::Boolean;
use XML::LibXML::Number;
use XML::LibXML::Literal;
use strict;
use vars qw ($VERSION);
$VERSION = "2.0018"; # VERSION TEMPLATE: DO NOT CHANGE
use overload
'""' => \&value,
'<=>' => \&cmp;
sub new {
my $class = shift;
my ($param) = @_;
my $val = $param ? 1 : 0;
bless \$val, $class;
}
sub True {
my $class = shift;
my $val = 1;
bless \$val, $class;
}
sub False {
my $class = shift;
my $val = 0;
bless \$val, $class;
}
sub value {
my $self = shift;
$$self;
}
sub cmp {
my $self = shift;
my ($other, $swap) = @_;
if ($swap) {
return $other <=> $$self;
}
return $$self <=> $other;
}
sub to_number { XML::LibXML::Number->new($_[0]->value); }
sub to_boolean { $_[0]; }
sub to_literal { XML::LibXML::Literal->new($_[0]->value ? "true" : "false"); }
sub string_value { return $_[0]->to_literal->value; }
1;
__END__
=head1 NAME
XML::LibXML::Boolean - Boolean true/false values
=head1 DESCRIPTION
XML::LibXML::Boolean objects implement simple boolean true/false objects.
=head1 API
=head2 XML::LibXML::Boolean->True
Creates a new Boolean object with a true value.
=head2 XML::LibXML::Boolean->False
Creates a new Boolean object with a false value.
=head2 value()
Returns true or false.
=head2 to_literal()
Returns the string "true" or "false".
=cut