Fotango Ltd
and 1 contributors

NAME

Locale::Object::Language - language information objects

DESCRIPTION

Locale::Object::Language allows you to create objects containing information about languages such as their ISO codes, the countries they're used in and so on.

SYNOPSIS

    use Locale::Object::Language;

    my $eng = Locale::Object::Language->new( code_alpha3 => 'eng' );

    my $name        = $eng->name;
    my $code_alpha2 = $eng->code_alpha2;
    my $code_alpha3 = $eng->code_alpha3;
    
    my @countries = $eng->countries;

    my $gb  = Locale::Object::Country->new(  code_alpha2 => 'gb'  );

    print $eng->official($gb); 

METHODS

new()

    my $eng = Locale::Object::Language->new( code_alpha3 => 'eng' );

The new method creates an object. It takes a single-item hash as an argument - valid options to pass are ISO 3166 values - 'code_alpha2', 'code_alpha3' and 'name' (see Locale::Object::DB::Schemata for details on these).

The objects created are singletons; if you try and create a currency object when one matching your specification already exists, new() will return the original one.

name(), code_alpha2(), code_alpha3()

    my $name = $country->name;
    

These methods retrieve the values of the attributes in the object whose name they share.

countries()

    my @countries = $eng->countries;

Returns an array (in array context, otherwise a reference) of Locale::Object::Country objects with their ISO 3166 alpha2 codes as keys (see Locale::Object::DB::Schemata for more details on those) for all countries using this currency in array context, or a reference in scalar context. The objects have their own attribute methods, so you can do things like this for example:

    foreach my $place (@countries)
    {
      print $place->name, "\n";
    }
    

Which will list you all the countries that use in that currency. See the documentation for Locale::Object::Country for a listing of country attributes. Note that you can chain methods as well.

    foreach my $place (@countries)
    {
      print $place->continent->name, "\n";
    }

official()

    my $gb = Locale::Object::Country->new(  code_alpha2 => 'gb'  );

    print $eng->official($gb);  # prints 'true'

Give this method a Locale::Object::Country object, and it will return a 'true' or 'false' value for whether the country the object represents has the language represented by your Locale::Object::Language object as an official language. See database.pod for a note about languages in the database.

OBSOLETE LANGUAGE CODES

ISO 639 is not immune from change, and there are three codes that changed in 1995: Hebrew (he, was iw), Indonesian (id, was in) and Yiddish (yi, formerly ji). Because the database maintains a one-to-one mapping, the old codes aren't included; if you need to support them for some reason (apparently Java versions previous to 1.4 use 'iw', for example), you'll have to alias them yourself. Thanks to Robin Szemeti (RSZEMETI) for bringing this to my attention.

KNOWN BUGS

The database of language information is not perfect by a long stretch. In particular, numerous comparatively obscure secondary or regional languages that don't have ISO codes, such as in several African countries and India, are missing. (See note in database.pod about data sources.) Please send any corrections to the author.

AUTHOR

Earle Martin <EMARTIN@cpan.org>

http://purl.oclc.org/net/earlemartin/

CREDITS

See the credits for Locale::Object.

LEGAL

Copyright 2003-2004 Fotango Ltd. All rights reserved. http://opensource.fotango.com/

This module is released under the same license as Perl itself, and is provided on an "as is" basis. The author and Fotango Ltd make no warranties of any kind, either expressed or implied, as to the accuracy and/or utility of any results obtained from its use. However, if you do find something wrong with the results, please let the author know. Thanks.