release-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change
on this file since f907cf0 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
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File size:
1.1 KB
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1 | use strict; |
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2 | use warnings; |
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3 | |
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4 | package BarnOwl::Hook; |
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5 | |
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6 | =head1 BarnOwl::Hook |
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7 | |
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8 | =head1 DESCRIPTION |
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9 | |
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10 | A C<BarnOwl::Hook> represents a list of functions to be triggered on |
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11 | some event. C<BarnOwl> exports a default set of these (see |
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12 | C<BarnOwl::Hooks>), but can also be created and used by module code. |
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13 | |
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14 | =head2 new |
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15 | |
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16 | Creates a new Hook object |
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17 | |
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18 | =cut |
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19 | |
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20 | sub new { |
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21 | my $class = shift; |
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22 | return bless [], $class; |
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23 | } |
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24 | |
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25 | =head2 run [ARGS] |
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26 | |
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27 | Calls each of the functions registered with this hook with the given |
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28 | arguments. |
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29 | |
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30 | =cut |
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31 | |
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32 | sub run { |
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33 | my $self = shift; |
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34 | my @args = @_; |
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35 | return map {$self->_run($_,@args)} @$self; |
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36 | } |
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37 | |
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38 | sub _run { |
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39 | my $self = shift; |
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40 | my $fn = shift; |
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41 | my @args = @_; |
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42 | no strict 'refs'; |
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43 | return $fn->(@args); |
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44 | } |
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45 | |
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46 | =head2 add SUBREF |
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47 | |
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48 | Registers a given subroutine with this hook |
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49 | |
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50 | =cut |
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51 | |
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52 | sub add { |
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53 | my $self = shift; |
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54 | my $func = shift; |
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55 | die("Not a coderef!") unless ref($func) eq 'CODE' || !ref($func); |
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56 | return if grep {$_ eq $func} @$self; |
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57 | push @$self, $func; |
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58 | } |
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59 | |
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60 | =head2 clear |
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61 | |
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62 | Remove all functions registered with this hook. |
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63 | |
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64 | =cut |
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65 | |
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66 | sub clear { |
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67 | my $self = shift; |
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68 | @$self = (); |
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69 | } |
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70 | |
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71 | |
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72 | 1; |
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