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package Exporter::Declare::Export::Generator;
use strict;
use warnings;
use base 'Exporter::Declare::Export::Sub';
use Exporter::Declare::Export::Variable;
use Carp qw/croak/;
sub required_specs {
my $self = shift;
return(
$self->SUPER::required_specs(),
qw/ type /,
);
}
sub type { shift->_data->{ type }}
sub new {
my $class = shift;
croak "Generators must be coderefs, not " . ref($_[0])
unless ref( $_[0] ) eq 'CODE';
$class->SUPER::new( @_ );
}
sub generate {
my $self = shift;
my ( $import_class, @args ) = @_;
my $ref = $self->( $self->exported_by, $import_class, @args );
return Exporter::Declare::Export::Sub->new(
$ref,
%{ $self->_data },
) if $self->type eq 'sub';
return Exporter::Declare::Export::Variable->new(
$ref,
%{ $self->_data },
) if $self->type eq 'variable';
return $self->type->new(
$ref,
%{ $self->_data },
);
}
sub inject {
my $self = shift;
my ( $class, $name, @args ) = @_;
$self->generate( $class, @args )->inject( $class, $name );
}
1;
=head1 NAME
Exporter::Declare::Export::Generator - Export class for exports that should be
generated when imported.
=head1 DESCRIPTION
Export class for exports that should be generated when imported.
=head1 OVERRIDEN METHODS
=over 4
=item $class->new( $ref, $ref, exported_by => $package, type => $type, %data )
You must specify the type as 'sub' or 'variable'.
=item $export->inject( $package, $name, @args )
Calls generate() with @args to create a generated export. The new export is
then injected.
=back
=head1 ADDITIONAL METHODS
=over 4
=item $new = $export->generate( $import_class, @args )
Generates a new export object.
=item $type = $export->type()
Returns the type of object to be generated (sub or variable)
=back
=head1 AUTHORS
Chad Granum L<exodist7@gmail.com>
=head1 COPYRIGHT
Copyright (C) 2010 Chad Granum
Exporter-Declare is free software; Standard perl licence.
Exporter-Declare is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the license for more details.
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