Mercurial > pub > Impl

annotate Lib/IMPL/require.pm @ 235:a4d9126edcbb

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code cleaning
author sergey
date Fri, 12 Oct 2012 02:08:51 +0400
parents 6d8092d8ce1b
children b8c724f6de36
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6b1dda998839 Added IMPL::declare, IMPL::require, to simplify module definitions
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1 package IMPL::require;
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2 use Scalar::Util qw(set_prototype);
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3 use strict;
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4 require IMPL::Code::Loader;
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5
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6 sub import {
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7 my ($self, $aliases) = @_;
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8
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9 return unless $aliases;
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10
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11 die "A hash reference is required" unless ref $aliases eq 'HASH';
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12
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13 my $caller = caller;
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14
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15 no strict 'refs';
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16
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17 while( my ($alias, $class) = each %$aliases ) {
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18 _require($class);
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19
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20 *{"${caller}::$alias"} = set_prototype(sub {
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21 $class
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22 }, '');
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23 }
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24 }
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25
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26 sub _require {
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27 my ($class) = @_;
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28
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29 if ( not $class =~ s/^-// ) {
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30 ( my $file = $class ) =~ s/::|'/\//g;
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31 require "$file.pm";
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32 }
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33 $class;
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34 }
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35
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36 1;
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37
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38 __END__
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39
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40 =pod
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41
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42 =head1 NAME
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43
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44 C<IMPL::require> загружает и назначет псевдонимы модулям.
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45
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46 =head1 SYNOPSIS
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47
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48 =begin code
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49
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50 use IMPL::require {
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51 TFoo => 'My::Nested::Package::Foo',
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52 FS => 'File::Spec'
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53 };
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54
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55 my $obj = My::Nested::Package::Foo->new('foo');
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56 $obj = TFoo->new('foo'); # ditto
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57
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58 FS->catdir('one','two','three');
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59
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60 =end code
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61
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62 =head1 DESCRIPTION
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63
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64 Загружает модули с помощью C<require> и создает константы которые возвращаю полное имя модуля.
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66
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67 =cut