1 |
package Frey::Class::Loader; |
2 |
use Moose; |
3 |
|
4 |
=head1 DESCRIPTION |
5 |
|
6 |
Load L<Frey> classes |
7 |
|
8 |
=cut |
9 |
|
10 |
extends 'Frey'; |
11 |
with 'Frey::Session'; |
12 |
|
13 |
use Data::Dump qw/dump/; |
14 |
use File::Find; |
15 |
|
16 |
our $class_path; |
17 |
our @classes; |
18 |
|
19 |
=head2 classes |
20 |
|
21 |
Return all local classes by reading from disk |
22 |
|
23 |
my @classes = $o->classes; |
24 |
|
25 |
=cut |
26 |
|
27 |
sub classes { |
28 |
my $self = shift; |
29 |
return @classes if @classes; |
30 |
|
31 |
# FIXME there must be better way to do this in Moose style |
32 |
finddepth({ no_chdir => 1, wanted => sub { |
33 |
return unless m{\.pm$}; |
34 |
my $class = $_; |
35 |
$class =~ s{^lib/}{}; |
36 |
$class =~ s{\.pm$}{}; |
37 |
$class =~ s{/}{::}g; |
38 |
if ( 0 && $class =~ m{Mojo} ) { # FIXME remove dead code |
39 |
$self->TODO( "Mojo support" ); |
40 |
return; |
41 |
} |
42 |
$class_path->{ $class } = $_; |
43 |
} }, 'lib'); |
44 |
warn "## class_path = ",dump( $class_path ) if $self->debug; |
45 |
|
46 |
@classes = sort keys %$class_path; |
47 |
} |
48 |
|
49 |
=head2 class_path |
50 |
|
51 |
Return any local or loaded class |
52 |
|
53 |
$path = $o->class_path( $class ); |
54 |
|
55 |
=cut |
56 |
|
57 |
sub class_path { |
58 |
my ( $self, $class ) = @_; |
59 |
$self->classes unless $class_path; |
60 |
if ( ! defined $class_path->{$class} ) { |
61 |
my $path = $class; |
62 |
$path =~ s{::}{/}g; |
63 |
$path .= '.pm'; |
64 |
if ( defined $INC{$path} ) { |
65 |
$path = $INC{$path}; |
66 |
warn "# $class from INC $path"; |
67 |
$class_path->{$class} = $path; |
68 |
} elsif ( $path =~ s{\.pm$}{} && -e "lib/${path}.pod" ) { |
69 |
return "lib/${path}.pod"; |
70 |
} else { |
71 |
confess "can't find $class at $path"; |
72 |
} |
73 |
} |
74 |
return $class_path->{$class}; |
75 |
} |
76 |
|
77 |
=head2 loaded_classes |
78 |
|
79 |
my $available = $o->loaded_classes; |
80 |
$available->{'Frey'} # true |
81 |
|
82 |
=cut |
83 |
|
84 |
our $loaded_class; |
85 |
sub loaded_classes { $loaded_class }; |
86 |
|
87 |
=head2 class_meta |
88 |
|
89 |
my ( $meta, $is_role, $instance ) = $o->class_meta( 'Some::Class' ); |
90 |
|
91 |
=cut |
92 |
|
93 |
sub class_meta { |
94 |
my ( $self, $class ) = @_; |
95 |
|
96 |
$class ||= $self->class if $self->can('class'); |
97 |
warn "# class_meta $class"; |
98 |
|
99 |
$self->load_class($class); |
100 |
|
101 |
my $meta; |
102 |
my $is_role = 0; |
103 |
my $instance; |
104 |
|
105 |
if ( ! $class->can('meta') ) { |
106 |
$instance = Moose::Meta::Class->create_anon_class; |
107 |
warn "# class $class isn't Moose, faking anon class" if $self->debug; |
108 |
$meta = $instance->meta; |
109 |
} elsif( $class->meta->isa('Moose::Meta::Role') ) { |
110 |
$is_role = 1; |
111 |
$instance = Frey->new; |
112 |
warn "# use meta from role $class"; |
113 |
$meta = ref $class ? ref($class)->meta : $class->meta; |
114 |
} else { |
115 |
$meta = $class->meta; |
116 |
} |
117 |
return ( $meta, $is_role, $instance ); |
118 |
} |
119 |
|
120 |
sub load_class { |
121 |
my ( $self, $class ) = @_; |
122 |
return if $loaded_class->{$class}++; |
123 |
eval { |
124 |
Class::MOP::load_class($class) |
125 |
}; |
126 |
warn $@ if $@; # && $@ !~ m/role/; |
127 |
warn "# load_class $class" if $self->debug && $loaded_class->{$class} == 1; |
128 |
} |
129 |
|
130 |
sub load_all_classes { |
131 |
my $self = shift; |
132 |
warn "# loaded_class = ",dump( $loaded_class ) if $self->debug; |
133 |
$self->load_class( $_ ) foreach ( $self->classes ); |
134 |
$loaded_class; |
135 |
} |
136 |
|
137 |
=head2 class_methods |
138 |
|
139 |
my @all_methods = $o->class_methods( $class ); |
140 |
|
141 |
my $class_method = $o->class_methods( $class ); |
142 |
if ( $class_method->{ $method } ) { |
143 |
# $class has $method |
144 |
} |
145 |
|
146 |
=cut |
147 |
|
148 |
sub class_methods { |
149 |
my ( $self, $class ) = @_; |
150 |
|
151 |
confess "need class" unless $class; |
152 |
if ( ! $class->can('meta') ) { |
153 |
warn "# $class doesn't have meta (isn't Moose class)" if $self->debug; |
154 |
return; |
155 |
} |
156 |
my $meta = $class->meta; |
157 |
|
158 |
my $attr; |
159 |
my $methods; |
160 |
$attr->{$_}++ foreach $meta->get_attribute_list; |
161 |
my @methods = map { $methods->{$_}++; $_ } grep { ! defined($attr->{$_}) && $_ ne 'meta' } $meta->get_method_list; |
162 |
warn "# methods = ",dump( @methods ) if $self->debug; |
163 |
|
164 |
return @methods if wantarray; |
165 |
return $methods; |
166 |
} |
167 |
|
168 |
=head2 class_runnable |
169 |
|
170 |
my @runnable_methods = $o->class_runnable( $class ); |
171 |
|
172 |
=cut |
173 |
|
174 |
sub class_runnable_re { m{^as_} || m{_as_} || m{sql} } |
175 |
|
176 |
sub class_runnable { |
177 |
my ( $self, $class ) = @_; |
178 |
my @methods = grep { class_runnable_re } $self->class_methods( $class ); |
179 |
return @methods if wantarray; |
180 |
return \@methods; |
181 |
} |
182 |
|
183 |
sub class_inputs { |
184 |
my ( $self, $class ) = @_; |
185 |
my @inputs = grep { m{^(markup/as_data/as_sponge)$} } $self->class_methods( $class ); |
186 |
return @inputs if wantarray; |
187 |
return \@inputs; |
188 |
} |
189 |
|
190 |
=head2 new_frey_class |
191 |
|
192 |
my $instance = $o->new_frey_class( $class, $params ); |
193 |
|
194 |
This will apply L<Moose::Role> on the fly to provide accessors for |
195 |
C<data> and C<sponge> in form of C<as_*> |
196 |
|
197 |
See L<http://www.perlmonks.org/?node_id=602389> |
198 |
|
199 |
It is used by L<Frey::Run> and L<Frey::Pipe> to create objects |
200 |
|
201 |
=cut |
202 |
|
203 |
{ |
204 |
package Frey::Role::as_data; |
205 |
use Moose::Role; |
206 |
|
207 |
sub as_data { |
208 |
my ($self) = @_; |
209 |
$self->data; |
210 |
} |
211 |
|
212 |
package Frey::Role::as_sponge; |
213 |
use Moose::Role; |
214 |
sub as_sponge { |
215 |
my ($self) = @_; |
216 |
$self->sponge; |
217 |
} |
218 |
|
219 |
no Moose::Role; |
220 |
} |
221 |
|
222 |
our $syntax_checked_last; |
223 |
|
224 |
sub new_frey_class { |
225 |
my ( $self, $class, $params ) = @_; |
226 |
my $instance; |
227 |
|
228 |
my $path = $self->class_path( $class ); |
229 |
if ( $syntax_checked_last->{$class} != -C $path ) { |
230 |
my $syntax = `perl -Ilib -wc $path 2>&1`; |
231 |
warn "# syntax: $syntax"; |
232 |
$syntax_checked_last->{$class} = -C $class; |
233 |
} |
234 |
|
235 |
if ( $class->meta->isa('Moose::Meta::Role') ) { |
236 |
$instance = Frey->new; |
237 |
Frey::Web->meta->apply( $instance ); |
238 |
warn "new_frey_class $class role with Frey::Web"; |
239 |
} else { |
240 |
if ( $self->can('request_url') ) { |
241 |
$params->{request_url} = $self->request_url; |
242 |
} else { |
243 |
warn "## $self doesn't have request_url"; |
244 |
} |
245 |
$instance = $class->new( %$params ) or confess "can't $class->new".dump( %$params ); |
246 |
warn "new_frey_class $class"; |
247 |
} |
248 |
|
249 |
if ( $instance->can('data') && ! $instance->can('as_data') ) { |
250 |
Frey::Role::as_data->meta->apply( $instance ); |
251 |
warn "# apply as_data role to $class"; |
252 |
} |
253 |
if ( $instance->can('sponge') && ! $instance->can('as_sponge') ) { |
254 |
Frey::Role::as_sponge->meta->apply( $instance ); |
255 |
warn "# apply as_sponge role to $class"; |
256 |
} |
257 |
|
258 |
if ( ! $instance->can('add_status') ) { |
259 |
Frey::Web->meta->apply( $instance ); |
260 |
warn "# apply Frey::Web role to $class"; |
261 |
} |
262 |
|
263 |
$self->add_status({ $class => $params }); |
264 |
return $instance; |
265 |
} |
266 |
|
267 |
__PACKAGE__->meta->make_immutable; |
268 |
no Moose; |
269 |
|
270 |
1; |