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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* utility functions for i18n
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category I18n
* @package Laconica
* @author Matthew Gregg <matthew.gregg@gmail.com>
* @author Ciaran Gultnieks <ciaran@ciarang.com>
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
/**
* Content negotiation for language codes
*
* @param string $httplang HTTP Accept-Language header
*
* @return string language code for best language match
*/
function client_prefered_language($httplang)
{
$client_langs = array();
$all_languages = common_config('site', 'languages');
preg_match_all('"(((\S\S)-?(\S\S)?)(;q=([0-9.]+))?)\s*(,\s*|$)"',
strtolower($httplang), $httplang);
for ($i = 0; $i < count($httplang); $i++) {
if (!empty($httplang[2][$i])) {
// if no q default to 1.0
$client_langs[$httplang[2][$i]] =
($httplang[6][$i]? (float) $httplang[6][$i] : 1.0);
}
if (!empty($httplang[3][$i]) && empty($client_langs[$httplang[3][$i]])) {
// if a catchall default 0.01 lower
$client_langs[$httplang[3][$i]] =
($httplang[6][$i]? (float) $httplang[6][$i]-0.01 : 0.99);
}
}
// sort in decending q
arsort($client_langs);
foreach ($client_langs as $lang => $q) {
if (isset($all_languages[$lang])) {
return($all_languages[$lang]['lang']);
}
}
return false;
}
/**
* returns a simple code -> name mapping for languages
*
* @return array map of available languages by code to language name.
*/
function get_nice_language_list()
{
$nice_lang = array();
$all_languages = common_config('site', 'languages');
foreach ($all_languages as $lang) {
$nice_lang = $nice_lang + array($lang['lang'] => $lang['name']);
}
return $nice_lang;
}
/**
* Get a list of all languages that are enabled in the default config
*
* This should ONLY be called when setting up the default config in common.php.
* Any other attempt to get a list of languages should instead call
* common_config('site','languages')
*
* @return array mapping of language codes to language info
*/
function get_all_languages() {
return array(
'bg' => array('q' => 0.8, 'lang' => 'bg_BG', 'name' => 'Bulgarian', 'direction' => 'ltr'),
'ca' => array('q' => 0.5, 'lang' => 'ca_ES', 'name' => 'Catalan', 'direction' => 'ltr'),
'cs' => array('q' => 0.5, 'lang' => 'cs_CZ', 'name' => 'Czech', 'direction' => 'ltr'),
'de' => array('q' => 0.8, 'lang' => 'de_DE', 'name' => 'German', 'direction' => 'ltr'),
'el' => array('q' => 0.1, 'lang' => 'el', 'name' => 'Greek', 'direction' => 'ltr'),
'en-us' => array('q' => 1, 'lang' => 'en_US', 'name' => 'English (US)', 'direction' => 'ltr'),
'en-gb' => array('q' => 1, 'lang' => 'en_GB', 'name' => 'English (British)', 'direction' => 'ltr'),
'en' => array('q' => 1, 'lang' => 'en', 'name' => 'English', 'direction' => 'ltr'),
'es' => array('q' => 1, 'lang' => 'es', 'name' => 'Spanish', 'direction' => 'ltr'),
'fi' => array('q' => 1, 'lang' => 'fi', 'name' => 'Finnish', 'direction' => 'ltr'),
'fr-fr' => array('q' => 1, 'lang' => 'fr_FR', 'name' => 'French', 'direction' => 'ltr'),
'he' => array('q' => 0.5, 'lang' => 'he_IL', 'name' => 'Hebrew', 'direction' => 'rtl'),
'it' => array('q' => 1, 'lang' => 'it_IT', 'name' => 'Italian', 'direction' => 'ltr'),
'jp' => array('q' => 0.5, 'lang' => 'ja_JP', 'name' => 'Japanese', 'direction' => 'ltr'),
'ko' => array('q' => 0.9, 'lang' => 'ko_KR', 'name' => 'Korean', 'direction' => 'ltr'),
'mk' => array('q' => 0.5, 'lang' => 'mk_MK', 'name' => 'Macedonian', 'direction' => 'ltr'),
'nb' => array('q' => 0.1, 'lang' => 'nb_NO', 'name' => 'Norwegian (Bokmål)', 'direction' => 'ltr'),
'no' => array('q' => 0.1, 'lang' => 'nb_NO', 'name' => 'Norwegian (Bokmål)', 'direction' => 'ltr'),
'nn' => array('q' => 1, 'lang' => 'nn_NO', 'name' => 'Norwegian (Nynorsk)', 'direction' => 'ltr'),
'nl' => array('q' => 0.5, 'lang' => 'nl_NL', 'name' => 'Dutch', 'direction' => 'ltr'),
'pl' => array('q' => 0.5, 'lang' => 'pl_PL', 'name' => 'Polish', 'direction' => 'ltr'),
'pt' => array('q' => 0.1, 'lang' => 'pt', 'name' => 'Portuguese', 'direction' => 'ltr'),
'pt-br' => array('q' => 0.9, 'lang' => 'pt_BR', 'name' => 'Portuguese Brazil', 'direction' => 'ltr'),
'ru' => array('q' => 0.9, 'lang' => 'ru_RU', 'name' => 'Russian', 'direction' => 'ltr'),
'sv' => array('q' => 0.8, 'lang' => 'sv_SE', 'name' => 'Swedish', 'direction' => 'ltr'),
'te' => array('q' => 0.3, 'lang' => 'te_IN', 'name' => 'Telugu', 'direction' => 'ltr'),
'tr' => array('q' => 0.5, 'lang' => 'tr_TR', 'name' => 'Turkish', 'direction' => 'ltr'),
'uk' => array('q' => 1, 'lang' => 'uk_UA', 'name' => 'Ukrainian', 'direction' => 'ltr'),
'vi' => array('q' => 0.8, 'lang' => 'vi_VN', 'name' => 'Vietnamese', 'direction' => 'ltr'),
'zh-cn' => array('q' => 0.9, 'lang' => 'zh_CN', 'name' => 'Chinese (Simplified)', 'direction' => 'ltr'),
'zh-hant' => array('q' => 0.2, 'lang' => 'zh_TW', 'name' => 'Chinese (Taiwanese)', 'direction' => 'ltr'),
);
}
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