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# $Id$ # # # 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 warnings; use vars qw ($VERSION); $VERSION = "2.0134"; # 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