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cacti/include/global_languages.php
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PHP

<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2012 The Cacti Group |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| 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 General Public License for more details. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDTool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
/* default localization of Cacti */
$cacti_locale = 'en';
$cacti_country = 'us';
/* an array that will contains all textdomains being in use. */
$cacti_textdomains = array();
/* get a list of locale settings */
$lang2locale = get_list_of_locales();
/* use a fallback if i18n is disabled (default) */
if (!read_config_option('i18n_language_support') && read_config_option('i18n_language_support') != '')
{
load_fallback_procedure();
return;
}
/* determine whether or not we can support the language */
if (isset($_REQUEST['language']) && isset($lang2locale[$_REQUEST['language']]))
/* user requests another language */
{
$cacti_locale = $_REQUEST['language'];
$cacti_country = $lang2locale[$_REQUEST['language']]['country'];
$_SESSION['sess_user_language'] = $cacti_locale;
unset($_SESSION['sess_current_date1']);
unset($_SESSION['sess_current_date2']);
/* save customized language setting (authenticated users only) */
set_user_config_option('language', $cacti_locale);
}
/* language definition stored in the SESSION */
elseif (isset($_SESSION['sess_user_language']) && isset($lang2locale[$_SESSION['sess_user_language']]))
{
$cacti_locale = $_SESSION['sess_user_language'];
$cacti_country = $lang2locale[$_SESSION['sess_user_language']]['country'];
}
elseif ($user_locale = read_user_i18n_setting('user_language'))
/* look up for user customized language setting stored in Cacti DB */
{
if (isset($lang2locale[$user_locale]))
{
$cacti_locale = $user_locale;
$cacti_country = $lang2locale[$cacti_locale]['country'];
$_SESSION['sess_user_language'] = $cacti_locale;
}
}
elseif ( isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && ( read_config_option('i18n_auto_detection') | read_config_option('i18n_auto_detection') == '' ) )
/* detect browser settings if auto detection is enabled */
{
$accepted = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$accepted = strtolower(str_replace(strstr($accepted, ','), '', $accepted));
$accepted = (isset($lang2locale[$accepted])) ? $accepted : str_replace(strstr($accepted, '-'), '', $accepted);
if (isset($lang2locale[$accepted]))
{
$cacti_locale = $accepted;
$cacti_country = $lang2locale[$accepted]['country'];
}
}
else
/* use the default language defined under 'general' */
{
$accepted = read_config_option('i18n_default_language');
if ($accepted == '')
{
$accepted = read_default_config_option('i18n_default_language');
}
if (isset($lang2locale[$accepted]))
{
$cacti_locale = $accepted;
$cacti_country = $lang2locale[$accepted]['country'];
}
}
/* define the path to the language file */
$path2catalogue = $config['base_path'] . '/locales/LC_MESSAGES/' . $lang2locale[$cacti_locale]['filename'] . '.mo';
/* define the path to the language file of the DHTML calendar */
$path2calendar = $config['include_path'] . '/js/LC_MESSAGES/jquery.ui.datepicker-' . $lang2locale[$cacti_locale]['filename'] . '.js';
/* use fallback procedure if requested language is not available */
if (file_exists($path2catalogue) & file_exists($path2calendar))
{
$cacti_textdomains['cacti']['path2locales'] = $config['base_path'] . '/locales';
$cacti_textdomains['cacti']['path2catalogue'] = $path2catalogue;
}
else
{
load_fallback_procedure();
return;
}
/* search the correct textdomains for all plugins being installed */
$plugins = db_fetch_assoc('SELECT `directory` FROM `plugin_config` ORDER BY id');
if ($plugins && sizeof($plugins) > 0)
{
foreach($plugins as $plugin)
{
$plugin = $plugin['directory'];
$path2catalogue = $config['base_path'] . '/plugins/' . $plugin . '/locales/LC_MESSAGES/' . $lang2locale[$cacti_locale]['filename'] . '.mo';
if (file_exists($path2catalogue))
{
$cacti_textdomains[$plugin]['path2locales'] = $config['base_path'] . '/plugins/' . $plugin . '/locales';
$cacti_textdomains[$plugin]['path2catalogue'] = $path2catalogue;
}
}
/* if i18n support is set to strict mode then check if all plugins support the requested language */
if (read_config_option('i18n_language_support') == 2)
{
if(sizeof($plugins) != (sizeof($cacti_textdomains) - 1))
{
load_fallback_procedure();
return;
}
}
}
/* load php-gettext class */
require($config['include_path'] . '/phpgettext/streams.php');
require($config['include_path'] . '/phpgettext/gettext.php');
/* prefetch all language files to work in memory only,
die if one of the language files is corrupted */
$l10n = array();
foreach($cacti_textdomains as $domain => $paths) {
$input = new FileReader($cacti_textdomains[$domain]['path2catalogue']);
if($input == false) {
die('Unable to read file: ' . $cacti_textdomains[$domain]['path2catalogue']);
}
$l10n[$domain] = new gettext_reader($input);
if($l10n[$domain] == false) {
die('Invalid language file: ' . $cacti_textdomains[$domain]['path2catalogue']);
}
}
unset($input);
/* load standard wrappers */
load_i18n_gettext_wrappers();
define('CACTI_LOCALE', $cacti_locale);
define('CACTI_COUNTRY', $cacti_country);
define('CACTI_LANGUAGE', $lang2locale[CACTI_LOCALE]['language']);
define('CACTI_LANGUAGE_FILE', $lang2locale[CACTI_LOCALE]['filename']);
/**
* load_fallback_procedure - loads wrapper package if native language (English) has to be used
*
* @return
*/
function load_fallback_procedure(){
global $cacti_textdomains, $cacti_locale, $cacti_country, $lang2locale;
/* load wrappers if native gettext is not available */
load_i18n_fallback_wrappers();
/* reset variables */
$_SESSION['sess_user_language'] = '';
$cacti_textdomains = array();
define('CACTI_LOCALE', 'en');
define('CACTI_COUNTRY', 'us');
define('CACTI_LANGUAGE', 'English');
define('CACTI_LANGUAGE_FILE', 'english_usa');
}
/**
* load_i18n_gettext_wrappers - creates all wrappers to translate strings by using php-gettext
*
* @return
*/
function load_i18n_gettext_wrappers(){
function __gettext($text, $domain = 'cacti') {
global $l10n;
if (isset($l10n[$domain])) {
return $l10n[$domain]->translate($text);
}else {
return $text;
}
}
function __n($singular, $plural, $number, $domain = 'cacti'){
global $l10n;
if (isset($l10n[$domain])) {
return $l10n[$domain]->ngettext($singular, $plural, $number);
}else {
return ($number == 1) ? $singular : $plural;
}
}
function __() {
global $l10n;
$args = func_get_args();
$num = func_num_args();
/* this should not happen */
if ($num < 1) {
return false;
/* convert pure text strings */
}elseif ($num == 1) {
return __gettext($args[0]);
/* convert pure text strings by using a different textdomain */
}elseif ($num == 2 && isset($l10n[$args[1]])) {
return __gettext($args[0], $args[1]);
/* convert stings including one or more placeholders */
}else {
/* only the last argument is allowed to initiate
the use of a different textdomain */
/* get gettext string */
$args[0] = isset($l10n[$args[$num-1]]) ? __gettext($args[0], $args[$num-1])
: __gettext($args[0]);
/* process return string against input arguments */
return call_user_func_array('sprintf', $args);
}
}
function __xn($context, $singular, $plural, $number, $domain = 'cacti'){
$xsingular = $context . chr(4) . $singular;
$xplural = $context . chr(4) . $plural;
$msgstr = __n($xsingular, $xplural, $number, $domain);
if($number == 1 ) {
return ( $msgstr == $xsingular ) ? $singular : $msgstr;
}else {
return ( $msgstr == $xplural ) ? $plural : $msgstr;
}
}
function __x(){
$args = func_get_args();
$num = func_num_args();
/* this should never happen */
if ($num < 2) {
return false;
}else {
$context = array_shift($args);
$num--;
$msgid = reset($args);
$xmsgid = $context . chr(4) . $msgid;
$args[0] = $xmsgid;
if($num == 2) {
/* pure text string without placeholders and a change of the default textdomain */
$msgstr = __gettext($args[0]);
}else {
/* get gettext string */
$msgstr = isset($l10n[$args[$num-1]]) ? __gettext($args[0], $args[$num-1])
: __gettext($args[0]);
}
/* use the raw message id if language catalogue does not contain a context specific message string */
$args[0] = ( $msgstr == $xmsgid ) ? $msgid : $msgstr;
/* process return string against input arguments */
return call_user_func_array('sprintf', $args);
}
}
function __date($format, $timestamp = false, $domain = 'cacti') {
global $i18n_date_placeholders;
if (!$timestamp) {
$timestamp = time();
}
/* placeholders will allow to fill in the translated weekdays, month and so on.. */
$i18n_date_placeholders = array(
'#1' => __(date('D', $timestamp), $domain),
'#2' => __(date('M', $timestamp), $domain),
'#3' => __(date('F', $timestamp), $domain),
'#4' => __(date('l', $timestamp), $domain)
);
/* if defined exchange the format string for the configured locale */
$format = __gettext($format, $domain);
/* replace special date chars by placeholders */
$format = str_replace(array('D', 'M', 'F', 'l'), array('#1', '#2', '#3', '#4'), $format);
/* get date string included placeholders */
$date = date($format, $timestamp);
/* fill in specific translations */
$date = str_replace(array_keys($i18n_date_placeholders), array_values($i18n_date_placeholders), $date);
return $date;
}
}
/**
* load_i18n_fallback_wrappers - creates special wrappers to leave the native language untouched
*
* @return
*/
function load_i18n_fallback_wrappers(){
function __gettext($text, $domain = 'cacti') {
return $text;
}
function __n($singular, $plural, $number, $domain = 'cacti') {
return ($number == 1) ? $singular : $plural;
}
function __() {
$args = func_get_args();
$num = func_num_args();
/* this should not happen */
if ($num < 1) {
return false;
/* convert pure text strings */
}elseif ($num == 1) {
return $args[0];
/* convert pure text strings by using a different textdomain */
}elseif ($num == 2 && isset($l10n[$args[1]])) {
return $args[0];
/* convert stings including one or more placeholders */
}else {
/* only the last argument is allowed to initiate
the use of a different textdomain */
/* process return string against input arguments */
return call_user_func_array('sprintf', $args);
}
}
function __xn($context, $singular, $plural, $number, $domain = 'cacti'){
return __n($singular, $plural, $number, $domain);
}
function __x(){
$args = func_get_args();
$num = func_num_args();
/* this should never happen */
if ($num < 2) {
return false;
}else {
$context = array_shift($args);
return call_user_func_array('__', $args);
}
}
function __date($format, $timestamp = false, $domain = 'cacti') {
if (!$timestamp) {$timestamp = time();}
return date($format, $timestamp);
}
}
/**
* get_list_of_locales - returns the default settings being used for l10n
*
* @return - a multi-dimensional array with the locale code as main key
*/
function get_list_of_locales () {
$lang2locale = array(
'sq' => array('language' => 'Albanian', 'country' => 'al', 'filename' => 'albanian_albania'),
'ar' => array('language' => 'Arabic', 'country' => 'sa', 'filename' => 'arabic_saudi_arabia'),
'hy' => array('language' => 'Armenian', 'country' => 'am', 'filename' => 'armenian_armenia'),
'be' => array('language' => 'Belarusian', 'country' => 'by', 'filename' => 'belarusian_belarus'),
'bg' => array('language' => 'Bulgarian', 'country' => 'bg', 'filename' => 'bulgarian_bulgaria'),
'zh' => array('language' => 'Chinese', 'country' => 'cn', 'filename' => 'chinese_china'),
'zh-cn'=> array('language' => 'Chinese (China)', 'country' => 'cn', 'filename' => 'chinese_china_simplified'),
'zh-hk'=> array('language' => 'Chinese (Hong Kong)', 'country' => 'hk', 'filename' => 'chinese_hong_kong'),
'zh-sg'=> array('language' => 'Chinese (Singapore)', 'country' => 'sg', 'filename' => 'chinese_singapore'),
'zh-tw'=> array('language' => 'Chinese (Taiwan)', 'country' => 'tw', 'filename' => 'chinese_taiwan'),
'hr' => array('language' => 'Croatian', 'country' => 'hr', 'filename' => 'croatian_croatia'),
'cs' => array('language' => 'Czech', 'country' => 'cz', 'filename' => 'czech_czech_republic'),
'da' => array('language' => 'Danish', 'country' => 'dk', 'filename' => 'danish_denmark'),
'nl' => array('language' => 'Dutch', 'country' => 'nl', 'filename' => 'dutch_netherlands'),
'en' => array('language' => 'English', 'country' => 'us', 'filename' => 'english_usa'),
'et' => array('language' => 'Estonian', 'country' => 'ee', 'filename' => 'estonian_estonia'),
'fi' => array('language' => 'Finnish', 'country' => 'fi', 'filename' => 'finnish_finland'),
'fr' => array('language' => 'French', 'country' => 'fr', 'filename' => 'french_france'),
'de' => array('language' => 'German', 'country' => 'de', 'filename' => 'german_germany'),
'el' => array('language' => 'Greek', 'country' => 'gr', 'filename' => 'greek_greece'),
'iw' => array('language' => 'Hebrew', 'country' => 'il', 'filename' => 'hebrew_israel'),
'hi' => array('language' => 'Hindi', 'country' => 'in', 'filename' => 'hindi_india'),
'hu' => array('language' => 'Hungarian', 'country' => 'hu', 'filename' => 'hungarian_hungary'),
'is' => array('language' => 'Icelandic', 'country' => 'is', 'filename' => 'icelandic_iceland'),
'id' => array('language' => 'Indonesian', 'country' => 'id', 'filename' => 'indonesian_indonesia'),
'ga' => array('language' => 'Irish', 'country' => 'ie', 'filename' => 'irish_ireland'),
'it' => array('language' => 'Italian', 'country' => 'it', 'filename' => 'italian_italy'),
'ja' => array('language' => 'Japanese', 'country' => 'jp', 'filename' => 'japanese_japan'),
'ko' => array('language' => 'Korean', 'country' => 'kr', 'filename' => 'korean_korea'),
'lv' => array('language' => 'Lativan', 'country' => 'lv', 'filename' => 'latvian_latvia'),
'lt' => array('language' => 'Lithuanian', 'country' => 'lt', 'filename' => 'lithuanian_lithuania'),
'mk' => array('language' => 'Macedonian', 'country' => 'mk', 'filename' => 'macedonian_macedonia'),
'ms' => array('language' => 'Malay', 'country' => 'my', 'filename' => 'malay_malaysia'),
'mt' => array('language' => 'Maltese', 'country' => 'lt', 'filename' => 'maltese_malta'),
'no' => array('language' => 'Norwegian', 'country' => 'no', 'filename' => 'norwegian_norway'),
'pl' => array('language' => 'Polish', 'country' => 'pl', 'filename' => 'polish_poland'),
'pt' => array('language' => 'Portuguese', 'country' => 'pt', 'filename' => 'portuguese_portugal'),
'pt-br'=> array('language' => 'Portuguese (Brazil)', 'country' => 'br', 'filename' => 'portuguese_brazil'),
'ro' => array('language' => 'Romanian', 'country' => 'ro', 'filename' => 'romanian_romania'),
'ru' => array('language' => 'Russian', 'country' => 'ru', 'filename' => 'russian_russia'),
'sr' => array('language' => 'Serbian', 'country' => 'rs', 'filename' => 'serbian_serbia'),
'sk' => array('language' => 'Slovak', 'country' => 'sk', 'filename' => 'slovak_slovakia'),
'sl' => array('language' => 'Slovenian', 'country' => 'si', 'filename' => 'slovenian_slovenia'),
'es' => array('language' => 'Spanish', 'country' => 'es', 'filename' => 'spanish_spain'),
'sv' => array('language' => 'Swedish', 'country' => 'se', 'filename' => 'swedish_sweden'),
'th' => array('language' => 'Thai', 'country' => 'th', 'filename' => 'thai_thailand'),
'tr' => array('language' => 'Turkish', 'country' => 'tr', 'filename' => 'turkish_turkey'),
'vi' => array('language' => 'Vietnamese', 'country' => 'vn', 'filename' => 'vietnamese_vietnam')
);
return $lang2locale;
}
/**
* get_installed_locales - finds all installed locales
*
* @return - an associative array of all installed locales (e.g. 'en' => 'English')
*/
function get_installed_locales(){
global $config, $lang2locale;
$locations = array();
$supported_languages['en'] = $lang2locale['en']['language'];
foreach($lang2locale as $locale => $properties) {
$locations[$properties['filename'] . '.mo'] = array('locale' => $locale, 'language' => $properties['language']);
}
/* create a list of all languages this Cacti system supports ... */
$dhandle = opendir($config['base_path'] . '/locales/LC_MESSAGES');
if(is_resource($dhandle)) {
while (false !== ($filename = readdir($dhandle))) {
/* check if language file for DHTML calendar is also available */
$path2calendar = $config['include_path'] . '/js/LC_MESSAGES/jquery.ui.datepicker-' . str_replace('.mo', '.js', $filename);
if(isset($locations[$filename]) & file_exists($path2calendar)) {
$supported_languages[$locations[$filename]['locale']] = $locations[$filename]['language'];
}
}
}
return $supported_languages;
}
/* read_user_i18n_setting - finds the current value of a i18n configuration setting
@arg $config_name - the name of the configuration setting as specified $settings_user array
in 'include/global_settings.php'
@returns - the current value of the i18n configuration option or the system default value */
function read_user_i18n_setting($config_name) {
global $config;
/* users must have cacti user auth turned on to use this, or the guest account must be active */
if (isset($_SESSION['sess_user_id'])) {
$effective_uid = $_SESSION['sess_user_id'];
}else if (isset($config['config_options_array']['export_user_id'])) {
$effective_uid = $config['config_options_array']['export_user_id'];
}else if ((read_config_option('auth_method') == 0)) {
if (isset($_SESSION['sess_config_array'])) {
$config_array = $_SESSION['sess_config_array'];
}else if (isset($config['config_options_array'])) {
$config_array = $config['config_options_array'];
}
if (!isset($config_array[$config_name])) {
$effective_uid = db_fetch_cell_prepared("SELECT user_auth.id from settings INNER JOIN user_auth ON user_auth.username = settings.value WHERE settings.name = 'guest_user'");
}
if (strlen($effective_uid) == 0) {
$effective_uid = 0;
}
}else{
$effective_uid = 0;
}
$db_setting = db_fetch_row_prepared('SELECT value FROM settings_user WHERE name = ? AND user_id = ?', array($config_name, $effective_uid));
if (isset($db_setting['value'])) {
return $db_setting['value'];
}else{
return false;
}
}
/**
* number_format_i18n - local specific number format wrapper
*
* @return - formatted numer in the correct locale
*/
function number_format_i18n ($number, $decimals = 0) {
global $cacti_locale, $cacti_country;
$country = strtoupper($cacti_country);
if (function_exists('numfmt_create')) {
$fmt = numfmt_create($cacti_locale . '_' . $country, NumberFormatter::DECIMAL);
numfmt_set_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS, $decimals);
return numfmt_format($fmt, $number);
}else{
$origlocales = explode(';', setlocale(LC_ALL, 0));
setlocale(LC_ALL, $cacti_locale . '_' . $country);
$locale = localeconv();
$number = number_format($number, $decimals, $locale['decimal_point'], $locale['thousands_sep']);
foreach ($origlocales as $locale_setting) {
if (strpos($locale_setting, '=') !== false) {
list($category, $locale) = explode('=', $locale_setting);
} else {
$category = LC_ALL;
$locale = $locale_setting;
}
switch($category) {
case 'LC_ALL':
case 'LC_COLLATE':
case 'LC_CTYPE':
case 'LC_MONETARY':
case 'LC_NUMERIC':
case 'LC_TIME':
setlocale(constant($category), $locale);
}
}
return $number;
}
}