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annotate Lib/IMPL/Resources/Format.pm @ 195:7a920771fd8e

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IMPL::Web::View changed document layout handling, docs, examples
author cin
date Wed, 11 Apr 2012 17:50:33 +0400
parents 4d0e1962161c
children 010ceafd0c5a
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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 $args ||= {};
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13 $resolver ||= \&_defaultResolver;
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14
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15 $string =~ s/%(\w+(?:\.\w+)*)%/_getvalue($args,$1,"\[$1\]",$resolver)/ge;
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16
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17 return $string;
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18 }
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19
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20 sub _getvalue {
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21 my ($obj,$path,$default,$resolver) = @_;
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22
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23 foreach my $chunk (split /\./,$path) {
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24 return $default unless $obj;
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25 if (ref $obj eq 'HASH') {
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26 $obj = $obj->{$chunk};
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27 } else {
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28 $obj = $resolver->($obj,$chunk);
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29 }
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30 }
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31 return $obj;
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32 }
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34 sub _defaultResolver {
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35 my ($obj,$prop) = @_;
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36
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37 return ( eval { $obj->can($prop) } ? $obj->$prop() : undef );
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38 }
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40 1;