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package Frey::ClassLoader; |
package Frey::ClassLoader; |
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use Moose; |
use Moose; |
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=head1 DESCRIPTION |
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Load L<Frey> classes |
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=cut |
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extends 'Frey'; |
extends 'Frey'; |
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use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
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use File::Find; |
use File::Find; |
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has 'classes' => ( |
our $class_path; |
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is => 'ro', |
our @classes; |
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# isa => 'HashRef[Str]', |
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default => sub { |
=head2 classes |
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my $self = shift; |
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# FIXME there must be better way to do this in Moose style |
Return all local classes by reading from disk |
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my $classes; |
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finddepth({ no_chdir => 1, wanted => sub { |
my @classes = $o->classes; |
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return unless s/\.pm$//; |
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my @a = split(m!/!,$_); |
=cut |
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my $package = join('::', @a[ 1 .. $#a ]); |
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warn ">> $_ ",dump( @a ), " >> $package\n" if $self->debug; |
sub classes { |
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push @$classes, { $package => "$_.pm" }; |
my $self = shift; |
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} }, 'lib'); |
return @classes if @classes; |
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warn "## classes = ",dump( $classes ) if $self->debug; |
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$classes; |
# FIXME there must be better way to do this in Moose style |
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}, |
finddepth({ no_chdir => 1, wanted => sub { |
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lazy => 1, |
return unless s/\.pm$//; |
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); |
my @a = split(m!/!,$_); |
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my $class = join('::', @a[ 1 .. $#a ]); |
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warn ">> $_ ",dump( @a ), " >> $class\n" if $self->debug; |
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$class_path->{ $class } = "$_.pm"; |
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} }, 'lib'); |
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warn "## class_path = ",dump( $class_path ) if $self->debug; |
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@classes = sort keys %$class_path; |
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} |
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=head2 load_package |
=head2 class_path |
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my ( $class, $meta, $is_role ) = $o->load_package( 'Some::Package' ); |
Return any local or loaded class |
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$path = $o->class_path( $class ); |
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=cut |
=cut |
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sub load_package { |
sub class_path { |
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my ( $self, $package ) = @_; |
my ( $self, $class ) = @_; |
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$self->classes unless $class_path; |
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if ( ! defined $class_path->{$class} ) { |
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my $path = $class; |
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$path =~ s{::}{/}g; |
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$path .= '.pm'; |
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$path = $INC{$path}; |
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warn "# $class from INC $path"; |
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$class_path->{$class} = $path; |
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} |
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return $class_path->{$class}; |
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} |
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#intercept role application so we can accurately generate |
=head2 loaded_classes |
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#method and attribute information for the parent class. |
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#this is fragile, but there is not better way that i am aware of |
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my $rmeta = Moose::Meta::Role->meta; |
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$rmeta->make_mutable if $rmeta->is_immutable; |
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my $original_apply = $rmeta->get_method("apply")->body; |
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$rmeta->remove_method("apply"); |
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my @roles_to_apply; |
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$rmeta->add_method("apply", sub{push(@roles_to_apply, [@_])}); |
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#load the package with the hacked Moose::Meta::Role |
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#eval { Class::MOP::load_class($package); }; |
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#confess "Failed to load package ${package} $@" if $@; |
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Class::MOP::load_class($package); |
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my $meta = $package->meta; |
my $available = $o->loaded_classes; |
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$available->{'Frey'} # true |
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my ($class, $is_role); |
=cut |
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if($package->meta->isa('Moose::Meta::Role')){ |
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our $loaded_class; |
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sub loaded_classes { $loaded_class }; |
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=head2 class_meta |
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my ( $meta, $is_role ) = $o->class_meta( 'Some::Class' ); |
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=cut |
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sub class_meta { |
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my ( $self, $class ) = @_; |
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$class ||= $self->class if $self->can('class'); |
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warn "# class_meta $class"; |
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$self->load_class($class); |
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if ( ! $class->can('meta') ) { |
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my $instance = Moose::Meta::Class->create_anon_class; |
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warn "class $class isn't Moose, faking anon class"; |
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return ( $instance, 0 ); |
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} |
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my $meta; |
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my $is_role = 0; |
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my $instance; |
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if($class->meta->isa('Moose::Meta::Role')){ |
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$is_role = 1; |
$is_role = 1; |
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# we need to apply the role to a class to be able to properly introspect it |
$instance = Moose::Meta::Class->create_anon_class; |
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$class = Moose::Meta::Class->create_anon_class; |
$class->meta->apply( $instance ); |
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$original_apply->($meta, $class); |
$meta = $class->meta; |
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die $@ if $@; |
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} else { |
} else { |
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#roles don't have superclasses ... |
$meta = $class->meta; |
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$class = $meta; |
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} |
} |
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return ( $class, $meta, $is_role ); |
return ( $meta, $is_role ); |
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} |
} |
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sub load_class { |
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my ( $self, $class ) = @_; |
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eval { |
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Class::MOP::load_class($class) if ! $loaded_class->{$class}++; |
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}; |
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warn $@ if $@; # && $@ !~ m/role/; |
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warn "# load_class $class" if $self->debug && $loaded_class->{$class} == 1; |
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} |
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sub load_all_classes { |
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my $self = shift; |
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warn "# loaded_class = ",dump( $loaded_class ) if $self->debug; |
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$self->load_class( $_ ) foreach ( $self->classes ); |
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$loaded_class; |
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} |
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1; |
1; |
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