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| 1 |  |  |  |  |  |  | package Devel::InnerPackage; | 
| 2 |  |  |  |  |  |  |  | 
| 3 | 42 |  |  | 42 |  | 35116 | use strict; | 
|  | 42 |  |  |  |  | 56 |  | 
|  | 42 |  |  |  |  | 1471 |  | 
| 4 | 42 |  |  | 42 |  | 165 | use Exporter 5.57 'import'; | 
|  | 42 |  |  |  |  | 1283 |  | 
|  | 42 |  |  |  |  | 1552 |  | 
| 5 | 42 |  |  | 42 |  | 180 | use vars qw($VERSION @EXPORT_OK); | 
|  | 42 |  |  |  |  | 55 |  | 
|  | 42 |  |  |  |  | 2217 |  | 
| 6 |  |  |  |  |  |  |  | 
| 7 | 42 |  |  | 42 |  | 27827 | use if $] > 5.017, 'deprecate'; | 
|  | 42 |  |  |  |  | 360 |  | 
|  | 42 |  |  |  |  | 256 |  | 
| 8 |  |  |  |  |  |  |  | 
| 9 |  |  |  |  |  |  | $VERSION = '0.4'; | 
| 10 |  |  |  |  |  |  | @EXPORT_OK = qw(list_packages); | 
| 11 |  |  |  |  |  |  |  | 
| 12 |  |  |  |  |  |  | =pod | 
| 13 |  |  |  |  |  |  |  | 
| 14 |  |  |  |  |  |  | =head1 NAME | 
| 15 |  |  |  |  |  |  |  | 
| 16 |  |  |  |  |  |  | Devel::InnerPackage - find all the inner packages of a package | 
| 17 |  |  |  |  |  |  |  | 
| 18 |  |  |  |  |  |  | =head1 SYNOPSIS | 
| 19 |  |  |  |  |  |  |  | 
| 20 |  |  |  |  |  |  | use Foo::Bar; | 
| 21 |  |  |  |  |  |  | use Devel::InnerPackage qw(list_packages); | 
| 22 |  |  |  |  |  |  |  | 
| 23 |  |  |  |  |  |  | my @inner_packages = list_packages('Foo::Bar'); | 
| 24 |  |  |  |  |  |  |  | 
| 25 |  |  |  |  |  |  |  | 
| 26 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 27 |  |  |  |  |  |  |  | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | Given a file like this | 
| 30 |  |  |  |  |  |  |  | 
| 31 |  |  |  |  |  |  |  | 
| 32 |  |  |  |  |  |  | package Foo::Bar; | 
| 33 |  |  |  |  |  |  |  | 
| 34 |  |  |  |  |  |  | sub foo {} | 
| 35 |  |  |  |  |  |  |  | 
| 36 |  |  |  |  |  |  |  | 
| 37 |  |  |  |  |  |  | package Foo::Bar::Quux; | 
| 38 |  |  |  |  |  |  |  | 
| 39 |  |  |  |  |  |  | sub quux {} | 
| 40 |  |  |  |  |  |  |  | 
| 41 |  |  |  |  |  |  | package Foo::Bar::Quirka; | 
| 42 |  |  |  |  |  |  |  | 
| 43 |  |  |  |  |  |  | sub quirka {} | 
| 44 |  |  |  |  |  |  |  | 
| 45 |  |  |  |  |  |  | 1; | 
| 46 |  |  |  |  |  |  |  | 
| 47 |  |  |  |  |  |  | then | 
| 48 |  |  |  |  |  |  |  | 
| 49 |  |  |  |  |  |  | list_packages('Foo::Bar'); | 
| 50 |  |  |  |  |  |  |  | 
| 51 |  |  |  |  |  |  | will return | 
| 52 |  |  |  |  |  |  |  | 
| 53 |  |  |  |  |  |  | Foo::Bar::Quux | 
| 54 |  |  |  |  |  |  | Foo::Bar::Quirka | 
| 55 |  |  |  |  |  |  |  | 
| 56 |  |  |  |  |  |  | =head1 METHODS | 
| 57 |  |  |  |  |  |  |  | 
| 58 |  |  |  |  |  |  | =head2 list_packages | 
| 59 |  |  |  |  |  |  |  | 
| 60 |  |  |  |  |  |  | Return a list of all inner packages of that package. | 
| 61 |  |  |  |  |  |  |  | 
| 62 |  |  |  |  |  |  | =cut | 
| 63 |  |  |  |  |  |  |  | 
| 64 |  |  |  |  |  |  | sub list_packages { | 
| 65 | 239 | 50 |  | 239 | 1 | 2168 | my $pack = shift; $pack .= "::" unless $pack =~ m!::$!; | 
|  | 239 |  |  |  |  | 699 |  | 
| 66 |  |  |  |  |  |  |  | 
| 67 | 42 |  |  | 42 |  | 47373 | no strict 'refs'; | 
|  | 42 |  |  |  |  | 68 |  | 
|  | 42 |  |  |  |  | 10484 |  | 
| 68 | 239 |  |  |  |  | 195 | my @packs; | 
| 69 | 239 |  |  |  |  | 222 | my @stuff = grep !/^(main|)::$/, keys %{$pack}; | 
|  | 239 |  |  |  |  | 7277 |  | 
| 70 | 239 |  |  |  |  | 701 | for my $cand (grep /::$/, @stuff) | 
| 71 |  |  |  |  |  |  | { | 
| 72 | 88 |  |  |  |  | 244 | $cand =~ s!::$!!; | 
| 73 | 88 |  |  |  |  | 298 | my @children = list_packages($pack.$cand); | 
| 74 |  |  |  |  |  |  |  | 
| 75 | 88 | 100 | 66 |  |  | 451 | push @packs, "$pack$cand" unless $cand =~ /^::/ || | 
| 76 |  |  |  |  |  |  | !__PACKAGE__->_loaded($pack.$cand); # or @children; | 
| 77 | 88 |  |  |  |  | 150 | push @packs, @children; | 
| 78 |  |  |  |  |  |  | } | 
| 79 | 239 |  |  |  |  | 498 | return grep {$_ !~ /::(::ISA::CACHE|SUPER)/} @packs; | 
|  | 96 |  |  |  |  | 420 |  | 
| 80 |  |  |  |  |  |  | } | 
| 81 |  |  |  |  |  |  |  | 
| 82 |  |  |  |  |  |  | ### XXX this is an inlining of the Class-Inspector->loaded() | 
| 83 |  |  |  |  |  |  | ### method, but inlined to remove the dependency. | 
| 84 |  |  |  |  |  |  | sub _loaded { | 
| 85 | 88 |  |  | 88 |  | 146 | my ($class, $name) = @_; | 
| 86 |  |  |  |  |  |  |  | 
| 87 | 42 |  |  | 42 |  | 212 | no strict 'refs'; | 
|  | 42 |  |  |  |  | 59 |  | 
|  | 42 |  |  |  |  | 8207 |  | 
| 88 |  |  |  |  |  |  |  | 
| 89 |  |  |  |  |  |  | # Handle by far the two most common cases | 
| 90 |  |  |  |  |  |  | # This is very fast and handles 99% of cases. | 
| 91 | 88 | 100 |  |  |  | 70 | return 1 if defined ${"${name}::VERSION"}; | 
|  | 88 |  |  |  |  | 511 |  | 
| 92 | 64 | 100 |  |  |  | 56 | return 1 if @{"${name}::ISA"}; | 
|  | 64 |  |  |  |  | 282 |  | 
| 93 |  |  |  |  |  |  |  | 
| 94 |  |  |  |  |  |  | # Are there any symbol table entries other than other namespaces | 
| 95 | 58 |  |  |  |  | 57 | foreach ( keys %{"${name}::"} ) { | 
|  | 58 |  |  |  |  | 175 |  | 
| 96 | 98 | 100 |  |  |  | 207 | next if substr($_, -2, 2) eq '::'; | 
| 97 | 94 | 100 |  |  |  | 76 | return 1 if defined &{"${name}::$_"}; | 
|  | 94 |  |  |  |  | 452 |  | 
| 98 |  |  |  |  |  |  | } | 
| 99 |  |  |  |  |  |  |  | 
| 100 |  |  |  |  |  |  | # No functions, and it doesn't have a version, and isn't anything. | 
| 101 |  |  |  |  |  |  | # As an absolute last resort, check for an entry in %INC | 
| 102 | 17 |  |  |  |  | 136 | my $filename = join( '/', split /(?:'|::)/, $name ) . '.pm'; | 
| 103 | 17 | 100 |  |  |  | 94 | return 1 if defined $INC{$filename}; | 
| 104 |  |  |  |  |  |  |  | 
| 105 | 5 |  |  |  |  | 20 | ''; | 
| 106 |  |  |  |  |  |  | } | 
| 107 |  |  |  |  |  |  |  | 
| 108 |  |  |  |  |  |  |  | 
| 109 |  |  |  |  |  |  | =head1 AUTHOR | 
| 110 |  |  |  |  |  |  |  | 
| 111 |  |  |  |  |  |  | Simon Wistow | 
| 112 |  |  |  |  |  |  |  | 
| 113 |  |  |  |  |  |  | =head1 COPYING | 
| 114 |  |  |  |  |  |  |  | 
| 115 |  |  |  |  |  |  | Copyright, 2005 Simon Wistow | 
| 116 |  |  |  |  |  |  |  | 
| 117 |  |  |  |  |  |  | Distributed under the same terms as Perl itself. | 
| 118 |  |  |  |  |  |  |  | 
| 119 |  |  |  |  |  |  | =head1 BUGS | 
| 120 |  |  |  |  |  |  |  | 
| 121 |  |  |  |  |  |  | None known. | 
| 122 |  |  |  |  |  |  |  | 
| 123 |  |  |  |  |  |  | =cut | 
| 124 |  |  |  |  |  |  |  | 
| 125 |  |  |  |  |  |  |  | 
| 126 |  |  |  |  |  |  |  | 
| 127 |  |  |  |  |  |  |  | 
| 128 |  |  |  |  |  |  |  | 
| 129 |  |  |  |  |  |  | 1; |