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package ExtUtils::Builder::Node;
$ExtUtils::Builder::Node::VERSION = '0.017';
use strict;
use warnings;
use parent qw/ExtUtils::Builder::Action::Composite/;
use Carp 'croak';
sub new {
my ($class, %args) = @_;
croak('Attribute target is not defined') if not $args{target};
$args{actions} = [ map { $_->flatten } @{ $args{actions} // [] } ];
$args{dependencies} //= [];
$args{type} //= delete $args{phony} ? 'phony' : 'file';
return $class->SUPER::new(%args);
}
sub flatten {
my $self = shift;
return @{ $self->{actions} };
}
sub target {
my $self = shift;
return $self->{target};
}
sub dependencies {
my $self = shift;
return @{ $self->{dependencies} };
}
sub type {
my $self = shift;
return $self->{type};
}
sub phony {
my $self = shift;
return $self->{type} eq 'phony';
}
sub mergeable {
my $self = shift;
return $self->{type} eq 'phony' && !@{ $self->{actions} };
}
sub newer_than {
my ($self, $mtime) = @_;
return 1 if $self->{type} eq 'phony';
return -d $self->{target} || (-e _ && $mtime <= -M _);
}
1;
# ABSTRACT: An ExtUtils::Builder Node
__END__
=pod
=encoding UTF-8
=head1 NAME
ExtUtils::Builder::Node - An ExtUtils::Builder Node
=head1 VERSION
version 0.017
=head1 SYNOPSIS
ExtUtils::Builder::Node->new(
target => $target_name,
dependencies => \@dependencies,
actions => \@actions,
);
=head1 DESCRIPTION
A node is the equivalent of a makefile entry. In essence it boils down to its three attributes: C<target> (the name of the target), C<dependencies>(the names of the dependencies) and C<actions>. A Node is a L<composite action|ExtUtils::Builder::Action::Composite>, meaning that in can be executed or serialized as a whole.
=head1 ATTRIBUTES
=head2 target
The target filename of this node.
=head2 dependencies
The (file)names of the dependencies of this node.
=head2 actions
A list of L<actions|ExtUtils::Builder::Action> for this node.
=head2 type
This must be one of C<file> or C<phony>. In the latter case the target will not be represented on the filesystem.
=head2 phony
B<Deprecated>.
Instead, pass C<< type => 'phony' >>
=head1 METHODS
=head2 mergeable
This returns true if a node is mergeable, i.e. it's phony and has no actions.
=for Pod::Coverage flatten
execute
to_command
to_code
newer_than
=head1 AUTHOR
Leon Timmermans <fawaka@gmail.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2013 by Leon Timmermans.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
