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JDEGUEST / HTML-Object-v0.5.1 / lib / HTML / Object / XPath / Variable.pm 

            

              
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##----------------------------------------------------------------------------
## HTML Object - ~/lib/HTML/Object/XPath/Variable.pm
## Version v0.2.0
## Copyright(c) 2021 DEGUEST Pte. Ltd.
## Author: Jacques Deguest <jack@deguest.jp>
## Created 2021/12/05
## Modified 2022/09/18
## All rights reserved
## 
## 
## This program is free software; you can redistribute  it  and/or  modify  it
## under the same terms as Perl itself.
##----------------------------------------------------------------------------
package HTML::Object::XPath::Variable;
BEGIN
{
    use strict;
    use warnings;
    use parent qw( Module::Generic );
    use vars qw( $DEBUG $VERSION );
    our $DEBUG = 0;
    our $VERSION = 'v0.2.0';
};
use strict;
use warnings;
sub init
{
    my $self = shift( @_ );
    $self->{path_parser} = shift( @_ );
    $self->{name} = shift( @_ );
    $self->{_init_strict_use_sub} = 1;
    $self->SUPER::init( @_ ) || return( $self->pass_error );
    return( $self );
}
sub as_string
{
    my $self = shift( @_ );
    return( '\$' . $self->{name} );
}
sub as_xml
{
    my $self = shift( @_ );
    return( "<Variable>" . $self->{name} . "</Variable>\n" );
}
sub get_value
{
    my $self = shift( @_ );
    return( $self->{path_parser}->get_var( $self->{name} ) );
}
sub set_value
{
    my $self = shift( @_ );
    my $val  = shift( @_ );
    return( $self->{path_parser}->set_var( $self->{name} => $val ) );
}
sub evaluate
{
    my $self = shift( @_ );
    my $val = $self->get_value;
    return( $val );
}
1;
# NOTE: POD
__END__
=encoding utf-8
=head1 NAME
HTML::Object::XPath::Variable - HTML Object XPath Variable
=head1 SYNOPSIS
    use HTML::Object::XPath::Variable;
    my $var = HTML::Object::XPath::Variable->new || 
        die( HTML::Object::XPath::Variable->error, "\n" );
=head1 VERSION
    v0.2.0
=head1 DESCRIPTION
This represent a L<HTML::Object::XPath> variable
=head1 CONSTRUCTOR
=head2 new
Provided with a L<HTML::Object::XPath> object and a variable name and this return a new l<HTML::Object::XPath::Variable> object.
=head1 METHODS
=head2 as_string
Returns a string representation of the variable.
=head2 as_xml
Returns a xml representation of the variable.
=head2 get_value
Returns the value for the variable set upon object instantiation. This actually calls L<HTML::Object::XPath/get_var>
=head2 set_value
Set the value for the variable set upon object instantiation. This actually calls L<HTML::Object::XPath/set_var>
=head2 evaluate
Returns the variable value by returning L</get_value>
=head1 AUTHOR
Jacques Deguest E<lt>F<jack@deguest.jp>E<gt>
=head1 SEE ALSO
L<HTML::Object::XPath>, L<HTML::Object::XPath::Boolean>, L<HTML::Object::XPath::Expr>, L<HTML::Object::XPath::Function>, L<HTML::Object::XPath::Literal>, L<HTML::Object::XPath::LocationPath>, L<HTML::Object::XPath::NodeSet>, L<HTML::Object::XPath::Number>, L<HTML::Object::XPath::Root>, L<HTML::Object::XPath::Step>, L<HTML::Object::XPath::Variable>
=head1 COPYRIGHT & LICENSE
Copyright(c) 2021 DEGUEST Pte. Ltd.
All rights reserved
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
=cut