lib/Frey/PPI.pm

package Frey::PPI;
use Moose;

extends 'Frey::Class::Loader';

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

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 ) = @_;
                my $path = $self->class;
                $path = $self->class_path( $path ) unless $path =~ m{/};
                warn "# doc from ", $self->class, " at ", $path if $self->debug;
                my $doc = PPI::Document->new( $path );
                $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
                        unless $el->module eq 'lib'; # skip use lib 'lib';
        });
        warn "# ", $self->class, " include ", dump( $include ) if $self->debug;
        return $include;
}

our $class_has_tests;

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

        finddepth({ no_chdir => 1, wanted => sub {
                return unless m{\.t$};

                warn "## ppi test $_" if $self->debug;

                my $doc = Frey::PPI->new( class => $_ );
                my @tests;

#               warn "## ",dump( $doc );

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

#                       warn "## ",dump( $el );
                        my $class = $el->child(1)->child(0)->child(0)->literal;
                        $class_has_tests->{$class}->{$_}++;
                });
        } }, 't/');
        warn "# collected class tests ",dump( $class_has_tests ) if $self->debug;

        return $class_has_tests;
}

=head2 has_tests

  my @tests = $self->has_tests;

=cut

sub has_tests {
        my ($self) = shift;
        
        $self->parse_tests unless $class_has_tests;

        my $class = $self->class;

        if ( my $tests = $class_has_tests->{ $class } ) {
                my @tests = keys %$tests;
                warn "# has_tests $class ",dump( @tests );
                return @tests if wantarray;
                return \@tests;
        }
}

=head2 as_data

Debugging output

=cut

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

1;
1	dpavlin	331	package Frey::PPI;
2			use Moose;
3
4	dpavlin	797	extends 'Frey::Class::Loader';
5	dpavlin	331
6			use PPI;
7			use Data::Dump qw/dump/;
8	dpavlin	1097	use File::Find;
9	dpavlin	331
10			has 'class' => (
11			is => 'rw',
12			isa => 'Str',
13			required => 1,
14			documentation => 'Name of class to parse',
15			);
16
17	dpavlin	364	has 'doc' => (
18			is => 'ro',
19			isa => 'PPI::Document',
20			lazy => 1,
21			default => sub {
22			my ( $self ) = @_;
23	dpavlin	487	my $path = $self->class;
24			$path = $self->class_path( $path ) unless $path =~ m{/};
25			warn "# doc from ", $self->class, " at ", $path if $self->debug;
26			my $doc = PPI::Document->new( $path );
27	dpavlin	364	$doc->prune('PPI::Token::Whitespace');
28			return $doc;
29			},
30			);
31	dpavlin	362
32	dpavlin	364	sub find {
33			my ( $self, $coderef ) = @_;
34	dpavlin	362
35	dpavlin	364	my $doc = $self->doc;
36			$doc->find(sub {
37			my ( $doc,$el ) = @_;
38			eval { $coderef->( $doc, $el ) };
39			warn "ERROR: $@" if $@;
40			});
41	dpavlin	362	}
42
43	dpavlin	331	sub attribute_order {
44			my ( $self ) = @_;
45
46	dpavlin	369	my @attribute_order;
47	dpavlin	364	$self->find(sub {
48			my ($doc,$el) = @_;
49	dpavlin	487	return unless
50			$el->isa('PPI::Statement') &&
51			$el->{children}->[0]->isa('PPI::Token::Word') &&
52			$el->{children}->[0]->literal eq 'has';
53	dpavlin	331
54	dpavlin	364	warn "## has ",$el->{children}->[1]->literal if $self->debug;
55	dpavlin	369	push @attribute_order, $el->{children}->[1]->literal;
56	dpavlin	331	});
57
58	dpavlin	369	warn "# ", $self->class, " attribute_order ", dump( @attribute_order ) if $self->debug;
59	dpavlin	331
60	dpavlin	369	return @attribute_order if wantarray;
61			return \@attribute_order;
62	dpavlin	331	}
63
64	dpavlin	364	sub includes {
65	dpavlin	331	my $self = shift;
66	dpavlin	364
67	dpavlin	362	my $include;
68	dpavlin	364	$self->find(sub {
69	dpavlin	362	my ($doc,$el) = @_;
70	dpavlin	364	return unless $el->isa('PPI::Statement::Include');
71
72			warn "## include ",dump( $el->module, $el->type, $el->pragma ) if $self->debug;
73	dpavlin	943	push @{ $include->{ $el->type } }, $el->module
74			unless $el->module eq 'lib'; # skip use lib 'lib';
75	dpavlin	362	});
76	dpavlin	364	warn "# ", $self->class, " include ", dump( $include ) if $self->debug;
77			return $include;
78			}
79	dpavlin	362
80	dpavlin	487	our $class_has_tests;
81
82			sub parse_tests {
83			my ( $self ) = @_;
84
85	dpavlin	1097	finddepth({ no_chdir => 1, wanted => sub {
86			return unless m{\.t$};
87
88	dpavlin	487	warn "## ppi test $_" if $self->debug;
89
90			my $doc = Frey::PPI->new( class => $_ );
91			my @tests;
92
93			# warn "## ",dump( $doc );
94
95			$doc->find(sub {
96			my ($doc,$el) = @_;
97			return unless
98			$el->isa('PPI::Statement') &&
99			$el->{children}->[0]->isa('PPI::Token::Word') &&
100			$el->{children}->[0]->literal eq 'use_ok';
101
102			# warn "## ",dump( $el );
103			my $class = $el->child(1)->child(0)->child(0)->literal;
104			$class_has_tests->{$class}->{$_}++;
105			});
106	dpavlin	1097	} }, 't/');
107	dpavlin	487	warn "# collected class tests ",dump( $class_has_tests ) if $self->debug;
108
109			return $class_has_tests;
110			}
111
112			=head2 has_tests
113
114			my @tests = $self->has_tests;
115
116			=cut
117
118			sub has_tests {
119			my ($self) = shift;
120
121	dpavlin	489	$self->parse_tests unless $class_has_tests;
122	dpavlin	487
123			my $class = $self->class;
124
125			if ( my $tests = $class_has_tests->{ $class } ) {
126	dpavlin	489	my @tests = keys %$tests;
127			warn "# has_tests $class ",dump( @tests );
128	dpavlin	491	return @tests if wantarray;
129			return \@tests;
130	dpavlin	487	}
131			}
132
133			=head2 as_data
134
135			Debugging output
136
137			=cut
138
139	dpavlin	455	sub as_data {
140	dpavlin	364	my $self = shift;
141	dpavlin	362	return {
142	dpavlin	364	includes => $self->includes,
143	dpavlin	487	attribute_order => [ $self->attribute_order ],
144	dpavlin	364	doc => $self->doc,
145	dpavlin	362	};
146	dpavlin	331	}
147
148			1;