Mercurial > pub > Impl
annotate Lib/IMPL/Resources/Format.pm @ 313:ec4ec1f056fe
TTView: page content now rendered lazy therefore a page layout must wrap the document content
author | cin |
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date | Tue, 30 Apr 2013 01:27:05 +0400 |
parents | 4d0e1962161c |
children | 010ceafd0c5a |
rev | line source |
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49 | 1 package IMPL::Resources::Format; |
2 use strict; | |
3 use warnings; | |
4 | |
5 require Exporter; | |
6 our @ISA = qw(Exporter); | |
7 our @EXPORT_OK = qw(&FormatMessage); | |
8 | |
9 sub FormatMessage { | |
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10 my ($string,$args,$resolver) = @_; |
49 | 11 |
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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; |
49 | 16 |
17 return $string; | |
18 } | |
19 | |
20 sub _getvalue { | |
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21 my ($obj,$path,$default,$resolver) = @_; |
49 | 22 |
23 foreach my $chunk (split /\./,$path) { | |
194 | 24 return $default unless $obj; |
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25 if (ref $obj eq 'HASH') { |
49 | 26 $obj = $obj->{$chunk}; |
27 } else { | |
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28 $obj = $resolver->($obj,$chunk); |
49 | 29 } |
30 } | |
31 return $obj; | |
32 } | |
33 | |
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34 sub _defaultResolver { |
194 | 35 my ($obj,$prop) = @_; |
36 | |
37 return ( eval { $obj->can($prop) } ? $obj->$prop() : undef ); | |
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38 } |
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39 |
49 | 40 1; |