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annotate Lib/IMPL/require.pm @ 219:c477f24f1980

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author sergey
date Tue, 21 Aug 2012 17:13:47 +0400
parents 891c04080658
children 6d8092d8ce1b
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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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891c04080658 IMPL::Web::View fixed template selection, release candidate
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3 use strict;
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4
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5 sub import {
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6 my ($self, $aliases) = @_;
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7
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8 return unless $aliases;
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9
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10 die "A hash reference is required" unless ref $aliases eq 'HASH';
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11
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12 my $caller = caller;
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13
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14 no strict 'refs';
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15
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16 while( my ($alias, $class) = each %$aliases ) {
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17 (my $file = $class) =~ s/::|'/\//g;
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18 require "$file.pm";
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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 1;
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27
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28 __END__
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29
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30 =pod
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31
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32 =head1 NAME
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33
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34 C<IMPL::require> загружает и назначет псевдонимы модулям.
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35
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36 =head1 SYNOPSIS
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37
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38 =begin code
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39
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40 use IMPL::require {
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41 TFoo => 'My::Nested::Package::Foo',
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42 FS => 'File::Spec'
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43 };
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44
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45 my $obj = My::Nested::Package::Foo->new('foo');
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46 $obj = TFoo->new('foo'); # ditto
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47
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48 FS->catdir('one','two','three');
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49
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50 =end code
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51
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52 =head1 DESCRIPTION
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53
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54 Загружает модули с помощью C<require> и создает константы которые возвращаю полное имя модуля.
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56
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57 =cut