release-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change
on this file since e97c5d05 was
ee183be,
checked in by Nelson Elhage <nelhage@mit.edu>, 15 years ago
|
Break perlwrap.pm into multiple files.
Break perlwrap.pm out into .pm files in perl/lib. With this commit, we
keep perlwrap.pm around and still load it as before. The next commit
will delete perlwrap.pm and start loading perl files directly from
disk at runtime.
|
-
Property mode set to
100644
|
File size:
1.1 KB
|
Line | |
---|
1 | use strict; |
---|
2 | use warnings; |
---|
3 | |
---|
4 | package BarnOwl::Hook; |
---|
5 | |
---|
6 | =head1 BarnOwl::Hook |
---|
7 | |
---|
8 | =head1 DESCRIPTION |
---|
9 | |
---|
10 | A C<BarnOwl::Hook> represents a list of functions to be triggered on |
---|
11 | some event. C<BarnOwl> exports a default set of these (see |
---|
12 | C<BarnOwl::Hooks>), but can also be created and used by module code. |
---|
13 | |
---|
14 | =head2 new |
---|
15 | |
---|
16 | Creates a new Hook object |
---|
17 | |
---|
18 | =cut |
---|
19 | |
---|
20 | sub new { |
---|
21 | my $class = shift; |
---|
22 | return bless [], $class; |
---|
23 | } |
---|
24 | |
---|
25 | =head2 run [ARGS] |
---|
26 | |
---|
27 | Calls each of the functions registered with this hook with the given |
---|
28 | arguments. |
---|
29 | |
---|
30 | =cut |
---|
31 | |
---|
32 | sub run { |
---|
33 | my $self = shift; |
---|
34 | my @args = @_; |
---|
35 | return map {$self->_run($_,@args)} @$self; |
---|
36 | } |
---|
37 | |
---|
38 | sub _run { |
---|
39 | my $self = shift; |
---|
40 | my $fn = shift; |
---|
41 | my @args = @_; |
---|
42 | no strict 'refs'; |
---|
43 | return $fn->(@args); |
---|
44 | } |
---|
45 | |
---|
46 | =head2 add SUBREF |
---|
47 | |
---|
48 | Registers a given subroutine with this hook |
---|
49 | |
---|
50 | =cut |
---|
51 | |
---|
52 | sub add { |
---|
53 | my $self = shift; |
---|
54 | my $func = shift; |
---|
55 | die("Not a coderef!") unless ref($func) eq 'CODE' || !ref($func); |
---|
56 | return if grep {$_ eq $func} @$self; |
---|
57 | push @$self, $func; |
---|
58 | } |
---|
59 | |
---|
60 | =head2 clear |
---|
61 | |
---|
62 | Remove all functions registered with this hook. |
---|
63 | |
---|
64 | =cut |
---|
65 | |
---|
66 | sub clear { |
---|
67 | my $self = shift; |
---|
68 | @$self = (); |
---|
69 | } |
---|
70 | |
---|
71 | |
---|
72 | 1; |
---|
Note: See
TracBrowser
for help on using the repository browser.