/usr/share/perl5/Catalyst/Plugin/I18N.pm is in libcatalyst-plugin-i18n-perl 0.10-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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use strict;
use warnings;
use MRO::Compat;
use I18N::LangTags ();
use I18N::LangTags::Detect;
use I18N::LangTags::List;
require Locale::Maketext::Simple;
our $VERSION = '0.10';
our %options = ( Export => '_loc', Decode => 1 );
=head1 NAME
Catalyst::Plugin::I18N - I18N for Catalyst
=head1 SYNOPSIS
use Catalyst 'I18N';
print join ' ', @{ $c->languages };
$c->languages( ['de'] );
print $c->localize('Hello Catalyst');
Use a macro if you're lazy:
[% MACRO l(text, args) BLOCK;
c.localize(text, args);
END; %]
[% l('Hello Catalyst') %]
[% l('Hello [_1]', 'Catalyst') %]
[% l('lalala[_1]lalala[_2]', ['test', 'foo']) %]
[% l('messages.hello.catalyst') %]
=head1 DESCRIPTION
Supports mo/po files and Maketext classes under your application's I18N
namespace.
# MyApp/I18N/de.po
msgid "Hello Catalyst"
msgstr "Hallo Katalysator"
# MyApp/I18N/i_default.po
msgid "messages.hello.catalyst"
msgstr "Hello Catalyst - fallback translation"
# MyApp/I18N/de.pm
package MyApp::I18N::de;
use base 'MyApp::I18N';
our %Lexicon = ( 'Hello Catalyst' => 'Hallo Katalysator' );
1;
=head2 CONFIGURATION
You can override any parameter sent to L<Locale::Maketext::Simple> by specifying
a C<maketext_options> hashref to the C<Plugin::I18N> config section. For
example, the following configuration will override the C<Decode> parameter which
normally defaults to C<1>:
__PACKAGE__->config(
'Plugin::I18N' =>
maketext_options => {
Decode => 0
}
);
All languages fallback to MyApp::I18N which is mapped onto the i-default
language tag. If you use arbitrary message keys, use i_default.po to translate
into English, otherwise the message key itself is returned.
=head2 EXTENDED METHODS
=head3 setup
=cut
sub setup {
my $self = shift;
$self->next::method(@_);
my $calldir = $self;
$calldir =~ s{::}{/}g;
my $file = "$calldir.pm";
my $path = $INC{$file};
$path =~ s{\.pm$}{/I18N};
my $user_opts = $self->config->{ 'Plugin::I18N' }->{ maketext_options } || {};
local %options = ( %options, Path => $path, %$user_opts );
eval <<"";
package $self;
Locale::Maketext::Simple->import( \%Catalyst\::Plugin\::I18N\::options );
if ($@) {
$self->log->error(qq/Couldn't initialize i18n "$self\::I18N", "$@"/);
}
else {
$self->log->debug(qq/Initialized i18n "$self\::I18N"/) if $self->debug;
}
if (! $self->config->{ 'Plugin::I18N' }->{installed_languages}) {
my $languages_list = {};
# We re-read the list of files in $path
# Originally tried to detect via namespaces, but this lists the currently set LANG envvar, which may not
# be a supported language. Also misses out .pm files
# Is acceptable to re-read this directory once on setup
if (opendir my $langdir, $path) {
foreach my $entry (readdir $langdir) {
next unless $entry =~ m/\A (\w+)\.(?:pm|po|mo) \z/xms;
my $langtag = $1;
next if $langtag eq "i_default";
my $language_tag = $langtag;
#my $language_tag = "$class\::I18N"->get_handle( $langtag )->language_tag;
# Did use the get_handle, but that caused problems because en became "Default (Fallthru) Language"
# Just do a simple convert instead
$language_tag =~ s/_/-/g;
$languages_list->{ $langtag } = I18N::LangTags::List::name( $language_tag );
}
closedir $langdir;
}
$self->config->{ 'Plugin::I18N' }->{installed_languages} = $languages_list;
}
}
=head2 METHODS
=head3 languages
Contains languages.
$c->languages(['de_DE']);
print join '', @{ $c->languages };
=cut
sub languages {
my ( $c, $languages ) = @_;
if ($languages) { $c->{languages} = $languages }
else {
$c->{languages} ||= [
I18N::LangTags::implicate_supers(
I18N::LangTags::Detect->http_accept_langs(
$c->request->header('Accept-Language')
)
),
'i-default'
];
}
no strict 'refs';
&{ ref($c) . '::_loc_lang' }( @{ $c->{languages} } );
return $c->{languages};
}
=head3 language
return selected locale in your locales list.
=cut
sub language {
my $c = shift;
my $class = ref $c || $c;
my $lang = ref "$class\::I18N"->get_handle( @{ $c->languages } );
$lang =~ s/.*:://;
return $lang;
}
=head3 language_tag
return language tag for current locale. The most notable difference from this
method in comparison to C<language()> is typically that languages and regions
are joined with a dash and not an underscore.
$c->language(); # en_us
$c->language_tag(); # en-us
=cut
sub language_tag {
my $c = shift;
my $class = ref $c || $c;
return "$class\::I18N"->get_handle( @{ $c->languages } )->language_tag;
}
=head3 installed_languages
Returns a hash of { langtag => "descriptive name for language" } based on language files
in your application's I18N directory. The descriptive name is based on I18N::LangTags::List information.
If the descriptive name is not available, will be undef.
=cut
sub installed_languages {
my $c = shift;
return $c->config->{ 'Plugin::I18N' }->{installed_languages};
}
=head3 loc
=head3 localize
Localize text.
print $c->localize( 'Welcome to Catalyst, [_1]', 'sri' );
=cut
*loc = \&localize;
sub localize {
my $c = shift;
$c->languages;
no strict 'refs';
return &{ ref($c) . '::_loc' }( $_[0], @{ $_[1] } )
if ( ref $_[1] eq 'ARRAY' );
return &{ ref($c) . '::_loc' }(@_);
}
=head1 SEE ALSO
L<Catalyst>
=head1 AUTHORS
Sebastian Riedel E<lt>sri@cpan.orgE<gt>
Brian Cassidy E<lt>bricas@cpan.orgE<gt>
Christian Hansen E<lt>chansen@cpan.orgE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright (c) 2005 - 2009
the Catalyst::Plugin::I18N L</AUTHORS>
as listed above.
This program is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
1;
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