NAME

HTTP::AcceptLanguage - Accept-Language header parser and find available language

HOW DO I USE THIS MODULE WITH

WITH CGI.pm

  use HTTP::AcceptLanguage;
  my $lang = HTTP::AcceptLanguage->new($ENV{HTTP_ACCEPT_LANGUAGE})->match(qw/ en fr es ja zh-tw /);

WITH raw PSGI

  use HTTP::AcceptLanguage;
  my $lang = HTTP::AcceptLanguage->new($env->{HTTP_ACCEPT_LANGUAGE})->match(qw/ en fr es ja zh-tw /);

WITH Plack::Request

  use HTTP::AcceptLanguage;
  my $lang = HTTP::AcceptLanguage->new($req->header('Accept-Language'))->match(qw/ en fr es ja zh-tw /);

SYNOPSIS

Good example of the input and output.

  # If language quality is the same then order by match method's input list
  my $accept_language = HTTP::AcceptLanguage->new('en;q=0.5, ja;q=0.1');
  $accept_language->match(qw/ th da ja /); # -> ja
  $accept_language->match(qw/ en ja /);    # -> en

  my $accept_language = HTTP::AcceptLanguage->new('en, da');
  $accept_language->match(qw/ da en /); # -> en
  $accept_language->match(qw/ en da /); # -> en

You can obtain the order of preference of the available languages ​​list of client

  my $accept_language = HTTP::AcceptLanguage->new('en, ja;q=0.3, da;q=1, *;q=0.29, ch-tw');
  $accept_language->languages; # -> en, da, ch-tw, ja, *

You can use the 0.01 version spec. (next version is deplicated)

  local $HTTP::AcceptLanguage::MATCH_PRIORITY_0_01_STYLE = 1;
  
  my $accept_language = HTTP::AcceptLanguage->new('en, da');
  $accept_language->match(qw/ da en /); # -> da
  $accept_language->match(qw/ en da /); # -> en

DESCRIPTION

HTTP::AcceptLanguage is HTTP Accept-Language header parser And you can find available language by Accept-Language header.

METHODS

new($ENV{HTTP_ACCEPT_LANGUAGE})

It to specify a string of Accept-Language header.

match(@available_language)

By your available language list, returns the most optimal language.

If language-quality has the same value, is a priority order of the new($ENV{HTTP_ACCEPT_LANGUAGE}).

languages

Returns are arranged in order of quality language list parsed.

AUTHOR

Kazuhiro Osawa <yappo {at} shibuya {dot} pl>

COPYRIGHT

Copyright 2013- Kazuhiro Osawa

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

RFC2616, I18N::AcceptLanguage

cpanm HTTP::AcceptLanguage

perl -MCPAN -e shell
install HTTP::AcceptLanguage