312 lines
12 KiB
PHP
312 lines
12 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* utility functions for i18n
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category I18n
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* @package StatusNet
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* @author Matthew Gregg <matthew.gregg@gmail.com>
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* @author Ciaran Gultnieks <ciaran@ciarang.com>
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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if (!function_exists('gettext')) {
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require_once("php-gettext/gettext.inc");
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}
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if (!function_exists('dpgettext')) {
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/**
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* Context-aware dgettext wrapper; use when messages in different contexts
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* won't be distinguished from the English source but need different translations.
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* The context string will appear as msgctxt in the .po files.
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*
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* Not currently exposed in PHP's gettext module; implemented to be compat
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* with gettext.h's macros.
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*
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* @param string $domain domain identifier, or null for default domain
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* @param string $context context identifier, should be some key like "menu|file"
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* @param string $msgid English source text
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* @return string original or translated message
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*/
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function dpgettext($domain, $context, $msg)
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{
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$msgid = $context . "\004" . $msg;
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$out = dcgettext($domain, $msgid, LC_MESSAGES);
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if ($out == $msgid) {
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return $msg;
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} else {
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return $out;
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}
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}
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}
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if (!function_exists('pgettext')) {
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/**
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* Context-aware gettext wrapper; use when messages in different contexts
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* won't be distinguished from the English source but need different translations.
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* The context string will appear as msgctxt in the .po files.
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*
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* Not currently exposed in PHP's gettext module; implemented to be compat
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* with gettext.h's macros.
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*
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* @param string $context context identifier, should be some key like "menu|file"
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* @param string $msgid English source text
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* @return string original or translated message
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*/
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function pgettext($context, $msg)
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{
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return dpgettext(textdomain(NULL), $context, $msg);
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}
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}
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if (!function_exists('dnpgettext')) {
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/**
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* Context-aware dngettext wrapper; use when messages in different contexts
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* won't be distinguished from the English source but need different translations.
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* The context string will appear as msgctxt in the .po files.
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*
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* Not currently exposed in PHP's gettext module; implemented to be compat
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* with gettext.h's macros.
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*
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* @param string $domain domain identifier, or null for default domain
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* @param string $context context identifier, should be some key like "menu|file"
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* @param string $msg singular English source text
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* @param string $plural plural English source text
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* @param int $n number of items to control plural selection
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* @return string original or translated message
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*/
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function dnpgettext($domain, $context, $msg, $plural, $n)
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{
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$msgid = $context . "\004" . $msg;
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$out = dcngettext($domain, $msgid, $plural, $n, LC_MESSAGES);
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if ($out == $msgid) {
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return $msg;
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} else {
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return $out;
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}
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}
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}
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if (!function_exists('npgettext')) {
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/**
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* Context-aware ngettext wrapper; use when messages in different contexts
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* won't be distinguished from the English source but need different translations.
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* The context string will appear as msgctxt in the .po files.
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*
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* Not currently exposed in PHP's gettext module; implemented to be compat
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* with gettext.h's macros.
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*
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* @param string $context context identifier, should be some key like "menu|file"
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* @param string $msg singular English source text
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* @param string $plural plural English source text
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* @param int $n number of items to control plural selection
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* @return string original or translated message
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*/
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function npgettext($context, $msg, $plural, $n)
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{
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return dnpgettext(textdomain(NULL), $msgid, $plural, $n, LC_MESSAGES);
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}
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}
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/**
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* Shortcut for *gettext functions with smart domain detection.
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*
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* If calling from a plugin, this function checks which plugin was
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* being called from and uses that as text domain, which will have
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* been set up during plugin initialization.
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*
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* Also handles plurals and contexts depending on what parameters
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* are passed to it:
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*
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* gettext -> _m($msg)
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* ngettext -> _m($msg1, $msg2, $n)
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* pgettext -> _m($ctx, $msg)
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* npgettext -> _m($ctx, $msg1, $msg2, $n)
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*
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* @fixme may not work properly in eval'd code
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*
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* @param string $msg
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* @return string
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*/
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function _m($msg/*, ...*/)
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{
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$domain = _mdomain(debug_backtrace());
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$args = func_get_args();
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switch(count($args)) {
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case 1: return dgettext($domain, $msg);
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case 2: return dpgettext($domain, $args[0], $args[1]);
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case 3: return dngettext($domain, $args[0], $args[1], $args[2]);
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case 4: return dnpgettext($domain, $args[0], $args[1], $args[2], $args[3]);
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default: throw new Exception("Bad parameter count to _m()");
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}
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}
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/**
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* Looks for which plugin we've been called from to set the gettext domain.
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*
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* @param array $backtrace debug_backtrace() output
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* @return string
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* @private
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* @fixme could explode if SN is under a 'plugins' folder or share name.
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*/
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function _mdomain($backtrace)
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{
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/*
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0 =>
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array
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'file' => string '/var/www/mublog/plugins/FeedSub/FeedSubPlugin.php' (length=49)
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'line' => int 77
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'function' => string '_m' (length=2)
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'args' =>
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array
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0 => &string 'Feeds' (length=5)
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*/
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static $cached;
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$path = $backtrace[0]['file'];
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if (!isset($cached[$path])) {
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if (DIRECTORY_SEPARATOR !== '/') {
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$path = strtr($path, DIRECTORY_SEPARATOR, '/');
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}
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$cut = strpos($path, '/plugins/') + 9;
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$cut2 = strpos($path, '/', $cut);
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if ($cut && $cut2) {
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$cached[$path] = substr($path, $cut, $cut2 - $cut);
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} else {
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return null;
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}
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}
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return $cached[$path];
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}
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/**
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* Content negotiation for language codes
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*
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* @param string $httplang HTTP Accept-Language header
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*
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* @return string language code for best language match
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*/
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function client_prefered_language($httplang)
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{
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$client_langs = array();
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$all_languages = common_config('site', 'languages');
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preg_match_all('"(((\S\S)-?(\S\S)?)(;q=([0-9.]+))?)\s*(,\s*|$)"',
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strtolower($httplang), $httplang);
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for ($i = 0; $i < count($httplang); $i++) {
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if (!empty($httplang[2][$i])) {
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// if no q default to 1.0
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$client_langs[$httplang[2][$i]] =
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($httplang[6][$i]? (float) $httplang[6][$i] : 1.0 - ($i*0.01));
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}
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if (!empty($httplang[3][$i]) && empty($client_langs[$httplang[3][$i]])) {
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// if a catchall default 0.01 lower
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$client_langs[$httplang[3][$i]] =
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($httplang[6][$i]? (float) $httplang[6][$i]-0.01 : 0.99);
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}
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}
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// sort in decending q
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arsort($client_langs);
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foreach ($client_langs as $lang => $q) {
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if (isset($all_languages[$lang])) {
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return($all_languages[$lang]['lang']);
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}
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}
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return false;
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}
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/**
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* returns a simple code -> name mapping for languages
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*
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* @return array map of available languages by code to language name.
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*/
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function get_nice_language_list()
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{
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$nice_lang = array();
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$all_languages = common_config('site', 'languages');
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foreach ($all_languages as $lang) {
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$nice_lang = $nice_lang + array($lang['lang'] => $lang['name']);
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}
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return $nice_lang;
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}
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/**
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* Get a list of all languages that are enabled in the default config
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*
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* This should ONLY be called when setting up the default config in common.php.
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* Any other attempt to get a list of languages should instead call
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* common_config('site','languages')
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*
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* @return array mapping of language codes to language info
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*/
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function get_all_languages() {
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return array(
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'ar' => array('q' => 0.8, 'lang' => 'ar', 'name' => 'Arabic', 'direction' => 'rtl'),
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'arz' => array('q' => 0.8, 'lang' => 'arz', 'name' => 'Egyptian Spoken Arabic', 'direction' => 'rtl'),
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'bg' => array('q' => 0.8, 'lang' => 'bg', 'name' => 'Bulgarian', 'direction' => 'ltr'),
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'ca' => array('q' => 0.5, 'lang' => 'ca', 'name' => 'Catalan', 'direction' => 'ltr'),
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'cs' => array('q' => 0.5, 'lang' => 'cs', 'name' => 'Czech', 'direction' => 'ltr'),
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'de' => array('q' => 0.8, 'lang' => 'de', 'name' => 'German', 'direction' => 'ltr'),
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'el' => array('q' => 0.1, 'lang' => 'el', 'name' => 'Greek', 'direction' => 'ltr'),
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'en-us' => array('q' => 1, 'lang' => 'en', 'name' => 'English (US)', 'direction' => 'ltr'),
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'en-gb' => array('q' => 1, 'lang' => 'en_GB', 'name' => 'English (British)', 'direction' => 'ltr'),
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'en' => array('q' => 1, 'lang' => 'en', 'name' => 'English (US)', 'direction' => 'ltr'),
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'es' => array('q' => 1, 'lang' => 'es', 'name' => 'Spanish', 'direction' => 'ltr'),
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'fi' => array('q' => 1, 'lang' => 'fi', 'name' => 'Finnish', 'direction' => 'ltr'),
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'fr-fr' => array('q' => 1, 'lang' => 'fr', 'name' => 'French', 'direction' => 'ltr'),
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'ga' => array('q' => 0.5, 'lang' => 'ga', 'name' => 'Galician', 'direction' => 'ltr'),
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'he' => array('q' => 0.5, 'lang' => 'he', 'name' => 'Hebrew', 'direction' => 'rtl'),
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'hsb' => array('q' => 0.8, 'lang' => 'hsb', 'name' => 'Upper Sorbian', 'direction' => 'ltr'),
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'is' => array('q' => 0.1, 'lang' => 'is', 'name' => 'Icelandic', 'direction' => 'ltr'),
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'it' => array('q' => 1, 'lang' => 'it', 'name' => 'Italian', 'direction' => 'ltr'),
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'jp' => array('q' => 0.5, 'lang' => 'ja', 'name' => 'Japanese', 'direction' => 'ltr'),
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'ko' => array('q' => 0.9, 'lang' => 'ko', 'name' => 'Korean', 'direction' => 'ltr'),
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'mk' => array('q' => 0.5, 'lang' => 'mk', 'name' => 'Macedonian', 'direction' => 'ltr'),
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'nb' => array('q' => 0.1, 'lang' => 'nb', 'name' => 'Norwegian (Bokmål)', 'direction' => 'ltr'),
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'no' => array('q' => 0.1, 'lang' => 'nb', 'name' => 'Norwegian (Bokmål)', 'direction' => 'ltr'),
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'nn' => array('q' => 1, 'lang' => 'nn', 'name' => 'Norwegian (Nynorsk)', 'direction' => 'ltr'),
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'nl' => array('q' => 0.5, 'lang' => 'nl', 'name' => 'Dutch', 'direction' => 'ltr'),
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'pl' => array('q' => 0.5, 'lang' => 'pl', 'name' => 'Polish', 'direction' => 'ltr'),
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'pt' => array('q' => 0.1, 'lang' => 'pt', 'name' => 'Portuguese', 'direction' => 'ltr'),
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'pt-br' => array('q' => 0.9, 'lang' => 'pt_BR', 'name' => 'Portuguese Brazil', 'direction' => 'ltr'),
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'ru' => array('q' => 0.9, 'lang' => 'ru', 'name' => 'Russian', 'direction' => 'ltr'),
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'sv' => array('q' => 0.8, 'lang' => 'sv', 'name' => 'Swedish', 'direction' => 'ltr'),
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'te' => array('q' => 0.3, 'lang' => 'te', 'name' => 'Telugu', 'direction' => 'ltr'),
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'tr' => array('q' => 0.5, 'lang' => 'tr', 'name' => 'Turkish', 'direction' => 'ltr'),
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'uk' => array('q' => 1, 'lang' => 'uk', 'name' => 'Ukrainian', 'direction' => 'ltr'),
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'vi' => array('q' => 0.8, 'lang' => 'vi', 'name' => 'Vietnamese', 'direction' => 'ltr'),
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'zh-cn' => array('q' => 0.9, 'lang' => 'zh_CN', 'name' => 'Chinese (Simplified)', 'direction' => 'ltr'),
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'zh-hant' => array('q' => 0.2, 'lang' => 'zh_TW', 'name' => 'Chinese (Taiwanese)', 'direction' => 'ltr'),
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);
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}
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