line |
stmt |
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cond |
sub |
pod |
time |
code |
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2
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use Moose; |
3
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6
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6
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480417
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use MooseX::StrictConstructor; |
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2477832
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6
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40134
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152930
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6
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19
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5
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use namespace::autoclean; |
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6
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6
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48233
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6
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13
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6
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22
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7
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use English qw(-no_match_vars $EVAL_ERROR); |
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6
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6
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2957
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use HTML::Entities qw(decode_entities); |
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18595
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6
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29
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9
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6
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6
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3540
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require LWP::UserAgent; |
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6
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32055
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6
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4259
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require Safe; |
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12
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our $VERSION = '0.003'; |
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14
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has language => ( |
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is => 'rw', |
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isa => 'Str', |
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trigger => \&_language, |
18
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); |
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20
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has _all_plural_forms_url => ( |
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is => 'rw', |
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isa => 'Str', |
23
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default => 'http://docs.translatehouse.org/projects/localization-guide/en/latest/l10n/pluralforms.html', |
24
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); |
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26
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has _all_plural_forms_html => ( |
27
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is => 'rw', |
28
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isa => 'Str', |
29
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default => \&_get_all_plural_forms_html, |
30
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lazy => 1, |
31
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clearer => 'clear_all_plural_forms_html', |
32
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); |
33
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34
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has all_plural_forms => ( |
35
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is => 'rw', |
36
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isa => 'HashRef', |
37
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default => \&_get_all_plural_forms, |
38
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lazy => 1, |
39
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); |
40
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41
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has plural_forms => ( |
42
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is => 'rw', |
43
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isa => 'Str', |
44
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default => 'nplurals=1; plural=0', |
45
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lazy => 1, |
46
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trigger => \&_calculate_plural_forms, |
47
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); |
48
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49
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has nplurals => ( |
50
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is => 'rw', |
51
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isa => 'Int', |
52
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default => 1, |
53
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lazy => 1, |
54
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init_arg => undef, |
55
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writer => '_nplurals', |
56
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); |
57
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58
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has plural_code => ( |
59
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is => 'rw', |
60
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isa => 'CodeRef', |
61
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default => sub { return sub { return 0 } }, |
62
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lazy => 1, |
63
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init_arg => undef, |
64
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writer => '_plural_code', |
65
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); |
66
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67
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my $self = shift; |
68
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69
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0
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0
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0
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my $url = $self->_all_plural_forms_url; |
70
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my $ua = LWP::UserAgent->new; |
71
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0
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0
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$ua->env_proxy; |
72
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0
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0
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my $response = $ua->get($url); |
73
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0
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0
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$response->is_success |
74
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0
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0
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or confess "$url $response->status_line"; |
75
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0
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0
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0
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76
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return $response->decoded_content; |
77
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} |
78
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0
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0
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79
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my $self = shift; |
80
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81
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## no critic (ComplexRegexes) |
82
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1
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1
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2
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my @match = $self->_all_plural_forms_html =~ m{ |
83
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<tr \s+ class="row- (?: even | odd ) "> |
84
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\s* |
85
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1
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28
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<td> ( [^<>]+ ) </td> |
86
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\s* |
87
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<td> ( [^<>]+ ) .*? </td> |
88
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\s* |
89
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<td> ( nplurals [^<>]+? ) [;]? </td> |
90
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\s* |
91
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</tr> |
92
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}xmsg; |
93
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## use critic(ComplexRegexes) |
94
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$self->clear_all_plural_forms_html; |
95
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my %all_plural_forms; |
96
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while ( my ($iso, $english_name, $plural_forms) = splice @match, 0, 3 ) { ## no critic (MagicNumbers) |
97
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1
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35
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$english_name =~ s{ \s+ \z }{}xms; |
98
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1
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1
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$all_plural_forms{ decode_entities($iso) } = { |
99
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1
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6
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english_name => decode_entities($english_name), |
100
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3
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9
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plural_forms => decode_entities($plural_forms), |
101
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3
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30
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}; |
102
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} |
103
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104
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return \%all_plural_forms; |
105
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} |
106
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107
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1
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27
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my ($self, $language) = @_; |
108
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109
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my $all_plural_forms = $self->all_plural_forms; |
110
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if ( exists $all_plural_forms->{$language} ) { |
111
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4
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|
4
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|
9
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return $self->plural_forms( |
112
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$all_plural_forms->{$language}->{plural_forms} |
113
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4
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106
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); |
114
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4
|
100
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9
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} |
115
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$language =~ s{_ .* \z}{}xms; |
116
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if ( exists $all_plural_forms->{$language} ) { |
117
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2
|
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|
53
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return $self->plural_forms( |
118
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$all_plural_forms->{$language}->{plural_forms} |
119
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2
|
|
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7
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); |
120
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2
|
100
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|
6
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} |
121
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122
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return confess |
123
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1
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|
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|
26
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"Missing plural forms for language $language in all_plural_forms"; |
124
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} |
125
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|
126
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1
|
|
|
|
|
15
|
my $self = shift; |
127
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|
128
|
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my $plural_forms = $self->plural_forms; |
129
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$plural_forms =~ s{\b ( nplurals | plural | n ) \b}{\$$1}xmsg; |
130
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my $safe = Safe->new; |
131
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6
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6
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|
8
|
my $nplurals_code = <<"EOC"; |
132
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my \$n = 0; |
133
|
6
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|
157
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my (\$nplurals, \$plural); |
134
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6
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|
90
|
$plural_forms; |
135
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6
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32
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\$nplurals; |
136
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6
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5133
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EOC |
137
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$self->_nplurals( |
138
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$safe->reval($nplurals_code) |
139
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or confess |
140
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"Code of Plural-Forms $plural_forms is not safe, $EVAL_ERROR" |
141
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); |
142
|
6
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|
33
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|
18
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my $plural_code = <<"EOC"; |
143
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sub { |
144
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my \$n = shift; |
145
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my (\$nplurals, \$plural); |
146
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$plural_forms; |
147
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6
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|
19
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return 0 + (\$plural || 0); |
148
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} |
149
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EOC |
150
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$self->_plural_code( |
151
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$safe->reval($plural_code) |
152
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or confess "Code $plural_forms is not safe, $EVAL_ERROR" |
153
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); |
154
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155
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6
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33
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17
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return $self; |
156
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} |
157
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158
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__PACKAGE__->meta->make_immutable; |
159
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160
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6
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|
517
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1; |
161
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162
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163
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=head1 NAME |
164
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165
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|
Locale::Utils::PluralForms - Utils to use plural forms |
166
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167
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=head1 VERSION |
168
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169
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0.003 |
170
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171
|
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|
|
=head1 SYNOPSIS |
172
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|
173
|
|
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|
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use Locale::Utils::PluralForms; |
174
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|
175
|
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|
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my $obj = Locale::Utils::PluralForms->new; |
176
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|
177
|
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|
Data downloaded from web |
178
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179
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$obj = Locale::Utils::PluralForms->new( |
180
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language => 'en_GB', # fallbacks from given en_GB to en |
181
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); |
182
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183
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|
|
Data of given data structure |
184
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185
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$obj = Locale::Utils::PluralForms->new( |
186
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|
all_plural_forms => { |
187
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|
'en' => { |
188
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english_name => 'English', |
189
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plural_forms => 'nplurals=2; plural=(n != 1)', |
190
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}, |
191
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# next languages |
192
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}, |
193
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); |
194
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195
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|
Getter |
196
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197
|
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my $language = $obj->language; |
198
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|
my $all_plural_forms = $obj->all_plural_forms; |
199
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my $plural_forms = $obj->plural_forms; |
200
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my $nplurals = $obj->nplurals; |
201
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my $plural_code = $obj->plural_code; |
202
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my $plural = $obj->plural_code->($number); |
203
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204
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=head1 DESCRIPTION |
205
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206
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=head2 Find plural forms for the language |
207
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208
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This module helps to find the plural forms for all languages. |
209
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|
It downloads the plural forms for all languages from web. |
210
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|
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|
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|
Then it stores the extracted data |
211
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|
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|
|
|
|
into a data structure named "all_plural_forms". |
212
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|
|
|
|
|
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213
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|
It is possible to fill that data structure |
214
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|
before method "language" is called first time |
215
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|
or to cache after first method call "language". |
216
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217
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|
=head2 "plural" as subroutine |
218
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|
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|
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|
219
|
|
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|
|
In the header of a PO- or MO-File |
220
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|
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|
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|
|
is an entry is called "Plural-Forms". |
221
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|
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|
|
How many plural forms the language has, is described there in "nplurals". |
222
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|
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|
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|
|
The second Information in "Plural-Forms" describes as a formula, |
223
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|
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|
|
how to choose the "plural". |
224
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|
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This module compiles plural forms |
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to a code references in a secure way. |
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=head1 SUBROUTINES/METHODS |
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=head2 Find plural forms for the language |
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=head3 method language |
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Set the language to switch to the plural forms of that language. |
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"plural_forms" is set then and "nplurals" and "plural_code" will be calculated. |
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$obj->language('de_AT'); # A fallback finds plural forms of language de |
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# because de_AT is not different. |
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Read the language back. |
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$obj->language eq 'de_AT'; |
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=head3 method all_plural_forms |
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Set the data structure. |
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$obj->all_plural_forms({ |
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'de' => { |
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english_name => 'German', |
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plural_forms => 'nplurals=2; plural=(n != 1)', |
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}, |
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# next languages |
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}); |
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Read the data structure back. |
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my $hash_ref = $obj->all_plural_forms; |
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=head2 executable plural forms |
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=head3 method plural_forms |
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Set "plural_forms" if no "language" is set. |
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After that "nplurals" and "plural_code" will be calculated in a safe way. |
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$obj->plural_forms('nplurals=1; plural=0'); |
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Or read it back. |
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my $plural_forms = $obj->plural_forms; |
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=head3 method nplurals |
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This method get back the calculated count of plurals. |
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If no "language" and no "plural_forms" is set, |
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the defaults for "nplurals" is: |
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my $count = $obj->nplurals # returns: 1 |
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There is no public setter for "nplurals" |
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and it is not possible to set them in the constructor. |
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Call method "language" or "plural_forms" |
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or set attribute "language" or "plural_forms" in the constructor. |
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After that "nplurals" will be calculated automaticly and safe. |
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=head2 method plural_code |
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This method get back the calculated code for the "plural" |
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to choose the correct "plural". |
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If no "language" and no "plural_forms" is set, |
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the defaults for plural_code is: |
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my $code_ref = $obj->plural_code # returns: sub { return 0 } |
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my $plural = $obj->plural_code->($number); # returns 0 |
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There is no public setter for "plural_code" |
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and it is not possible to set them in the constructor. |
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Call method "language" or "plural_forms" |
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or set attribute "language" or "plural_forms" in the constructor. |
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After that "plural_code" will be calculated automaticly and safe. |
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For the example plural forms C<'nplurals=2; plural=(n != 1)'>: |
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$plural = $obj->plural_code->(0), # $plural is 1 |
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$plural = $obj->plural_code->(1), # $plural is 0 |
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$plural = $obj->plural_code->(2), # $plural is 1 |
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$plural = $obj->plural_code->(3), # $plural is 1 |
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... |
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313
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=head1 EXAMPLE |
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Inside of this distribution is a directory named example. |
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Run the *.pl files. |
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=head1 DIAGNOSTICS |
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320
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none |
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322
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=head1 CONFIGURATION AND ENVIRONMENT |
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324
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none |
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326
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=head1 DEPENDENCIES |
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328
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L<Moose|Moose> |
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330
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L<MooseX::StrictConstructor|MooseX::StrictConstructor> |
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332
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L<namespace::autoclean|namespace::autoclean> |
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334
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L<English|English> |
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336
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L<HTML::Entities|HTML::Entities> |
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338
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L<LWP::UserAgent|LWP::UserAgent> |
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340
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L<Safe|Safe> |
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342
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=head1 INCOMPATIBILITIES |
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344
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not known |
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346
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=head1 BUGS AND LIMITATIONS |
347
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348
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not known |
349
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350
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=head1 SEE ALSO |
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352
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L<http://en.wikipedia.org/wiki/Gettext> |
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354
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L<http://docs.translatehouse.org/projects/localization-guide/en/latest/l10n/pluralforms.html> |
355
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356
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L<Locele::TextDomain|Locele::TextDomain> |
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358
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=head1 AUTHOR |
359
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360
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Steffen Winkler |
361
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362
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=head1 LICENSE AND COPYRIGHT |
363
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364
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Copyright (c) 2011 - 2022, |
365
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Steffen Winkler |
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C<< <steffenw at cpan.org> >>. |
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All rights reserved. |
368
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369
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This module is free software; |
370
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you can redistribute it and/or modify it |
371
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under the same terms as Perl itself. |