lib/Frey/PPI.pm

package Frey::PPI;
use Moose;

extends 'Frey::ClassLoader';

use PPI;
use Data::Dump qw/dump/;

has 'class' => (
        is => 'rw',
        isa => 'Str',
        required => 1,
        documentation => 'Name of class to parse',
);

has 'doc' => (
        is => 'ro',
        isa => 'PPI::Document',
        lazy => 1,
        default => sub {
                my ( $self ) = @_;
                warn "# doc from ", $self->class if $self->debug;
                my $doc = PPI::Document->new( $self->class_path( $self->class ) );
                $doc->prune('PPI::Token::Whitespace');
                return $doc;
        },
);

sub find {
        my ( $self, $coderef ) = @_;

        my $doc = $self->doc;
        $doc->find(sub {
                my ( $doc,$el ) = @_;
                eval { $coderef->( $doc, $el ) };
                warn "ERROR: $@" if $@;
        });
}

sub attribute_order {
        my ( $self ) = @_;

        my @attribute_order;
        $self->find(sub {
                my ($doc,$el) = @_;
                return unless ( $el->isa('PPI::Statement') && $el->{children}->[0]->isa('PPI::Token::Word') && $el->{children}->[0]->literal eq 'has' );

                warn "## has ",$el->{children}->[1]->literal if $self->debug;
                push @attribute_order, $el->{children}->[1]->literal;
        });

        warn "# ", $self->class, " attribute_order ", dump( @attribute_order ) if $self->debug;

        return @attribute_order if wantarray;
        return \@attribute_order;
}

sub includes {
        my $self = shift;

        my $include;
        $self->find(sub {
                my ($doc,$el) = @_;
                return unless $el->isa('PPI::Statement::Include');

                warn "## include ",dump( $el->module, $el->type, $el->pragma ) if $self->debug;
                push @{ $include->{ $el->type } }, $el->module 
        });
        warn "# ", $self->class, " include ", dump( $include ) if $self->debug;
        return $include;
}

sub as_data {
        my $self = shift;
        return {
                includes => $self->includes,
                attribute_order => $self->attribute_order,
                doc => $self->doc,
        };
}

1;
1	package Frey::PPI;
2	use Moose;
3
4	extends 'Frey::ClassLoader';
5
6	use PPI;
7	use Data::Dump qw/dump/;
8
9	has 'class' => (
10	is => 'rw',
11	isa => 'Str',
12	required => 1,
13	documentation => 'Name of class to parse',
14	);
15
16	has 'doc' => (
17	is => 'ro',
18	isa => 'PPI::Document',
19	lazy => 1,
20	default => sub {
21	my ( $self ) = @_;
22	warn "# doc from ", $self->class if $self->debug;
23	my $doc = PPI::Document->new( $self->class_path( $self->class ) );
24	$doc->prune('PPI::Token::Whitespace');
25	return $doc;
26	},
27	);
28
29	sub find {
30	my ( $self, $coderef ) = @_;
31
32	my $doc = $self->doc;
33	$doc->find(sub {
34	my ( $doc,$el ) = @_;
35	eval { $coderef->( $doc, $el ) };
36	warn "ERROR: $@" if $@;
37	});
38	}
39
40	sub attribute_order {
41	my ( $self ) = @_;
42
43	my @attribute_order;
44	$self->find(sub {
45	my ($doc,$el) = @_;
46	return unless ( $el->isa('PPI::Statement') && $el->{children}->[0]->isa('PPI::Token::Word') && $el->{children}->[0]->literal eq 'has' );
47
48	warn "## has ",$el->{children}->[1]->literal if $self->debug;
49	push @attribute_order, $el->{children}->[1]->literal;
50	});
51
52	warn "# ", $self->class, " attribute_order ", dump( @attribute_order ) if $self->debug;
53
54	return @attribute_order if wantarray;
55	return \@attribute_order;
56	}
57
58	sub includes {
59	my $self = shift;
60
61	my $include;
62	$self->find(sub {
63	my ($doc,$el) = @_;
64	return unless $el->isa('PPI::Statement::Include');
65
66	warn "## include ",dump( $el->module, $el->type, $el->pragma ) if $self->debug;
67	push @{ $include->{ $el->type } }, $el->module
68	});
69	warn "# ", $self->class, " include ", dump( $include ) if $self->debug;
70	return $include;
71	}
72
73	sub as_data {
74	my $self = shift;
75	return {
76	includes => $self->includes,
77	attribute_order => $self->attribute_order,
78	doc => $self->doc,
79	};
80	}
81
82	1;