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package Frey::Introspect; |
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|
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use Moose; |
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use Carp; |
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use Class::MOP; |
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use Moose::Meta::Role; |
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use Moose::Meta::Class; |
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use Scalar::Util qw/blessed/; |
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use Data::Dump qw/dump/; |
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use File::Slurp; |
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use List::Util; |
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|
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use Continuity::Widget::DomNode; |
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use lib 'lib'; |
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|
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extends 'Frey'; |
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|
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has 'package' => ( |
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is => 'rw', |
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isa => 'Str', |
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required => 1, |
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); |
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|
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has 'path' => ( |
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is => 'rw', |
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); |
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|
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=head2 load_package |
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|
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my ( $class, $meta, $is_role ) = $o->load_package( 'Some::Package' ); |
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|
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=cut |
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|
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sub load_package { |
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my ( $self ) = @_; |
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|
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my $package = $self->package; |
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|
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#intercept role application so we can accurately generate |
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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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$rmeta->add_method("apply", sub{push(@roles_to_apply, [@_])}); |
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#load the package with the hacked Moose::Meta::Role |
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|
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#eval { Class::MOP::load_class($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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|
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my $meta = $package->meta; |
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|
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my ($class, $is_role); |
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if($package->meta->isa('Moose::Meta::Role')){ |
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$is_role = 1; |
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# we need to apply the role to a class to be able to properly introspect it |
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$class = Moose::Meta::Class->create_anon_class; |
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$original_apply->($meta, $class); |
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} else { |
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#roles don't have superclasses ... |
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$class = $meta; |
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} |
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return ( $class, $meta, $is_role ); |
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} |
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|
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=head2 joose |
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|
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my $js = $o->joose( 'Some::Package' ); |
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|
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=cut |
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|
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sub joose { |
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my ($self) = @_; |
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|
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my ( $class, $meta, $is_role ) = $self->load_package; |
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|
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if ( ! $is_role ) { |
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my @superclasses = map{ $_->meta->name } |
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grep { $_ ne 'Moose::Object' } $meta->superclasses; |
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warn "superclasses ",dump( @superclasses ); |
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} |
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|
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my $out; |
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|
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my ( $m, $c ) = split(/::/, $class->name, 2); |
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my $filename = $m . '.' . ( $c ? "$c." : '' ) . 'js'; |
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|
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$out .= "Module(\"$m\", function (m) {\n\tClass(\"$c\", {\n\t\thas: {\n"; |
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|
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foreach ( $class->get_attribute_list ) { |
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$out .= "\t\t\t$_: {\n"; |
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|
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my $attr = $class->get_attribute($_); |
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my $is = $attr->_is_metadata; |
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$out .= "\t\t\t\tis: \"$is\",\n" if defined $is; |
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$out .= "\t\t\t\tlazy: true,\n" if $attr->is_lazy; |
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$out .= "\t\t\t\trequired: true,\n" if $attr->is_required; |
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$out .= "\t\t\t\tinit: \"" . $attr->init_arg . "\",\n" if $attr->init_arg; # FIXME |
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|
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if( defined(my $isa = $attr->_isa_metadata) ){ |
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if( blessed $isa ){ |
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while( blessed $isa ){ |
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$isa = $isa->name; |
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} |
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} |
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$isa =~ s/\s+\|\s+undef//gi; |
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$out .= "\t\t\t\tisa: Moose.$isa,\n"; |
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} |
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|
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|
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$out .= "\t\t\t},\n"; |
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|
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} |
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|
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$out .= "\t\t},\n\t\tmeta: Frey.HTML, |
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classMethods: { |
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renderHTML: function () { |
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return new Joose.SimpleRequest().getText(\"/~/${m}::${c}\") |
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},\n"; |
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|
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$out .= "\t\t},\n"; |
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|
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$out .= "\t}),\n"; |
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|
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$out =~ s/,\n$/\n/; |
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$out .= "});\n"; |
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|
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$out .= "\nconsole.log( 'loaded " . $class->name . " from $filename' );\n"; |
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|
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warn $class->dump(2); |
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|
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warn "method_list = ",dump( $class->get_method_list ); |
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warn dump( map{ $class->get_method($_)->name } sort $class->get_method_list ); |
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|
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# print $out; |
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my $path = "static/blib/$filename"; |
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write_file( $path, $out ); |
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warn "# created $path\n"; |
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$self->path( $path ); |
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|
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return $out; |
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} |
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|
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=head2 methods |
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|
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my @methods = $o->methods; |
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|
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=cut |
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|
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sub methods { |
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my $self = shift; |
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|
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my ( $class, $meta, $is_role ) = $self->load_package; |
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|
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my $attr; |
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$attr->{$_}++ foreach $class->get_attribute_list; |
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my @methods = grep { ! defined($attr->{$_}) } $class->get_method_list; |
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warn "# methods = ",dump( @methods ); |
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|
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return @methods; |
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} |
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|
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=head1 OUTPUT GENERATION |
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|
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=head2 html |
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|
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$o->html( $request ); |
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|
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=cut |
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|
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our @javascript = ( qw' |
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../lib/Joose.js |
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'); |
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|
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sub html { |
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my ( $self, $request ) = @_; |
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|
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while (1) { |
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|
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my $js = Continuity::Widget::DomNode->create( |
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map { |
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( script => { type => 'text/javascript', src => $_ } ) |
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} @javascript |
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)->to_string; |
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|
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$js .= << '__END_OF_JS__'; |
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<script type="text/javascript"> |
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joose.loadComponents("../lib") |
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|
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function $(id) { |
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return document.getElementById(id) |
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} |
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|
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</script> |
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__END_OF_JS__ |
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|
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warn "# >>> js\n$js\n"; |
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|
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my $methods; |
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|
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my ( $class, $meta, $is_role ); |
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eval { ( $class, $meta, $is_role ) = $self->load_package(); }; |
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if ( $@ ) { |
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warn "ERROR: $@"; |
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$request->conn->send_status_line( 500, $@ ); |
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$request->print( $@ ); |
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$request->next; |
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return; |
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} |
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|
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if ( $class->can('meta') ) { |
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$methods = Continuity::Widget::DomNode->create( |
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ul => [ |
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map { ( |
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li => [ a => { href => '/~/' . $self->package . '/' . $_ } => [ $_ ] ] |
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) } $self->methods |
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] |
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)->to_string; |
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} else { |
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$methods = '<b>not introspectable</b>'; |
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} |
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|
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my $attributes = Continuity::Widget::DomNode->create( |
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ul => [ |
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map { |
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my $attr = $class->get_attribute($_); |
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warn "## $_ ", $attr->is_required ? 'required' : 'optional'; |
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( li => [ a => { href => '/~/' . $self->package . '/' . $_ } => [ $_ ], ( $attr->is_required ? ' <b>required</b>' : '' ) ] ) |
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} $class->get_attribute_list |
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], |
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)->to_string; |
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|
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my $doc = Continuity::Widget::DomNode->create( |
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html => [ |
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head => [ |
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link => { rel=>"stylesheet", href=>"/static/app.css", type=>"text/css", media=>"screen" }, |
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$js, |
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title => [ 'Introspect ', $self->package ], |
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], |
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body => [ |
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h1 => [ $self->package ], |
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h2 => [ 'Methods' ], |
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$methods, |
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h2 => [ 'Atrributes' ], |
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$attributes, |
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], |
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] |
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); |
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|
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$request->print($doc->to_string); |
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warn "# >>> html\n", $doc->to_string, "\n"; |
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$request->next; |
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} |
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warn "# exit html"; |
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} |
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|
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=head1 SEE ALSO |
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|
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L<MooseX::AutoDoc> on which this code is based |
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|
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=cut |
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|
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1; |
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