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annotate Lib/IMPL/Resources/Format.pm @ 143:d9dd3500ead3

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Singleton behavior changed
author wizard
date Thu, 08 Jul 2010 23:46:49 +0400
parents 196bf443b5e1
children e6447ad85cb4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package IMPL::Resources::Format;
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2 use strict;
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3 use warnings;
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4
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5 require Exporter;
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6 our @ISA = qw(Exporter);
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7 our @EXPORT_OK = qw(&FormatMessage);
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8
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9 sub FormatMessage {
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10 my ($string,$args,$resolver) = @_;
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12 $resolver ||= \&_defaultResolver;
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14 $string =~ s/%(\w+(?:\.\w+)*)%/_getvalue($args,$1,"\[$1\]",$resolver)/ge;
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15
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16 return $string;
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17 }
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19 sub _getvalue {
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20 my ($obj,$path,$default,$resolver) = @_;
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21
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22 foreach my $chunk (split /\./,$path) {
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23 return $default unless $obj;
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24 if (ref $obj eq 'HASH') {
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25 $obj = $obj->{$chunk};
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26 } else {
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27 $obj = $resolver->($obj,$chunk);
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28 }
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29 }
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30 return $obj;
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31 }
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33 sub _defaultResolver {
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34 my ($obj,$prop) = @_;
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35
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36 return ( eval { $obj->can($prop) } ? $obj->$prop() : undef );
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37 }
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39 1;