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egroupware_official/phpgwapi/inc/class.translation.inc.php

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<?php
/**
* eGroupWare API - Translations
*
* @link http://www.egroupware.org
* @author Joseph Engo <jengo@phpgroupware.org>
* @author Dan Kuykendall <seek3r@phpgroupware.org>
* Copyright (C) 2000, 2001 Joseph Engo
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @version $Id$
*/
/**
* eGroupWare API - Translations
*
* All methods of this class can now be called static.
*
* Translations are cached tree-wide via egw_cache class.
*/
class translation
{
/**
* Language of current user, will be set by init()
*
* @var string
*/
static $userlang = 'en';
/**
* Already loaded translations by applicaton
*
* @var array $app => $lang pairs
*/
static $loaded_apps = array();
/**
* Loaded phrases
*
* @var array $message_id => $translation pairs
*/
static $lang_arr = array();
/**
* Tables used by this class
*/
const LANG_TABLE = 'egw_lang';
const LANGUAGES_TABLE = 'egw_languages';
/**
* Prefix of language files (historically 'phpgw_')
*/
const LANGFILE_PREFIX = 'egw_';
const OLD_LANGFILE_PREFIX = 'phpgw_';
/**
* Maximal length of a message_id, all message_ids have to be unique in this length,
* our column is varchar 128
*/
const MAX_MESSAGE_ID_LENGTH = 128;
/**
* Reference to global db-class
*
* @var egw_db
*/
static $db;
/**
* Mark untranslated strings with an asterisk (*)
*
* @var boolean
*/
static $markuntranslated=false;
/**
* System charset
*
* @var string
*/
static $system_charset;
/**
* Is the mbstring extension available
*
* @var boolean
*/
static $mbstring;
/**
* Internal encoding / charset of mbstring (if loaded)
*
* @var string
*/
static $mbstring_internal_encoding;
/**
* Application which translations have to be cached instance- and NOT tree-specific
*
* @var array
*/
static $instance_specific_translations = array('loginscreen','mainscreen');
/**
* returns the charset to use (!$lang) or the charset of the lang-files or $lang
*
* @param string/boolean $lang=False return charset of the active user-lang, or $lang if specified
* @return string charset
*/
static function charset($lang=False)
{
static $charsets = array();
if ($lang)
{
if (!isset($charsets[$lang]))
{
if (!($charsets[$lang] = self::$db->select(self::LANG_TABLE,'content',array(
'lang' => $lang,
'message_id'=> 'charset',
'app_name' => 'common',
),__LINE__,__FILE__)->fetchColumn()))
{
$charsets[$lang] = 'utf-8';
}
}
return $charsets[$lang];
}
if (self::$system_charset) // do we have a system-charset ==> return it
{
$charset = self::$system_charset;
}
else
{
// if no translations are loaded (system-startup) use a default, else lang('charset')
$charset = !self::$lang_arr ? 'utf-8' : strtolower(self::translate('charset'));
}
// we need to set our charset as mbstring.internal_encoding if mbstring.func_overlaod > 0
// else we get problems for a charset is different from the default utf-8
if (ini_get('mbstring.func_overload') && self::$mbstring_internal_encoding != $charset)
{
ini_set('mbstring.internal_encoding',self::$mbstring_internal_encoding = $charset);
}
return $charset;
}
/**
* Initialises global lang-array and loads the 'common' and app-spec. translations
*
* @param boolean $load_translations=true should we also load translations for common and currentapp
*/
static function init($load_translations=true)
{
if (!isset(self::$db))
{
self::$db = isset($GLOBALS['egw_setup']) && isset($GLOBALS['egw_setup']->db) ? $GLOBALS['egw_setup']->db : $GLOBALS['egw']->db;
}
if (!isset($GLOBALS['egw_setup']))
{
self::$system_charset = $GLOBALS['egw_info']['server']['system_charset'];
}
else
{
self::$system_charset =& $GLOBALS['egw_setup']->system_charset;
}
if ((self::$mbstring = check_load_extension('mbstring')))
{
if(!empty(self::$system_charset))
{
ini_set('mbstring.internal_encoding',self::$system_charset);
}
}
self::$markuntranslated = (boolean) $GLOBALS['egw_info']['server']['markuntranslated'];
if ($load_translations)
{
if ($GLOBALS['egw_info']['user']['preferences']['common']['lang'])
{
self::$userlang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
}
self::add_app('common');
if (!count(self::$lang_arr))
{
self::$userlang = 'en';
self::add_app('common');
}
self::add_app($GLOBALS['egw_info']['flags']['currentapp']);
}
}
/**
* translates a phrase and evtl. substitute some variables
*
* @param string $key phrase to translate, may contain placeholders %N (N=1,2,...) for vars
* @param array/boolean $vars=false vars to replace the placeholders, or false for none
* @param string $not_found='*' what to add to not found phrases, default '*'
* @return string with translation
*/
static function translate($key, $vars=false, $not_found='*' )
{
static $placeholders = array('%1','%2','%3','%4','%5','%6','%7','%8','%9','%10');
if (!self::$lang_arr)
{
self::init();
}
$ret = $key; // save key if we dont find a translation
if ($not_found && self::$markuntranslated) $ret .= $not_found;
if (isset(self::$lang_arr[$key]))
{
$ret = self::$lang_arr[$key];
}
else
{
$new_key = strtolower(trim(substr($key,0,self::MAX_MESSAGE_ID_LENGTH)));
if (isset(self::$lang_arr[$new_key]))
{
// we save the original key for performance
$ret = self::$lang_arr[$key] =& self::$lang_arr[$new_key];
}
}
if (is_array($vars) && count($vars))
{
if (count($vars) > 1)
{
$ret = str_replace($placeholders,$vars,$ret);
}
else
{
$ret = str_replace('%1',$vars[0],$ret);
}
}
return $ret;
}
/**
* Adds translations for an application
*
* By default the translations are read from the tree-wide cache
*
* @param string $app name of the application to add (or 'common' for the general translations)
* @param string|boolean $lang=false 2 or 5 char lang-code or false for the users language
*/
static function add_app($app,$lang=False)
{
$lang = $lang ? $lang : self::$userlang;
if (!isset(self::$loaded_apps[$app]) || self::$loaded_apps[$app] != $lang)
{
//$start = microtime(true);
// for loginscreen we have to use a instance specific cache!
$loaded =& egw_cache::getCache(in_array($app,self::$instance_specific_translations) ? egw_cache::INSTANCE : egw_cache::TREE,
__CLASS__,$app.':'.$lang,array(__CLASS__,'load_app'),array($app,$lang));
self::$lang_arr += $loaded; // use += instead of array_merge, as we have phrases with numerical index, which get renumbered by array_merge
self::$loaded_apps[$app] = $lang;
//error_log(__METHOD__."($app,$lang) took ".(1000*(microtime(true)-$start))." ms, loaded ".count($loaded)." phrases -> total=".count(self::$lang_arr).": ".function_backtrace());
}
}
/**
* Loads translations for an application from the database or direct from the lang-file for setup
*
* Never use directly, use add_app(), which employes caching (it has to be public, to act as callback for the cache!).
*
* @param string $app name of the application to add (or 'common' for the general translations)
* @param string $lang=false 2 or 5 char lang-code or false for the users language
* @return array the loaded strings
*/
static function &load_app($app,$lang)
{
//$start = microtime(true);
if ($app == 'setup')
{
$loaded =& self::load_setup($lang);
}
else
{
$loaded = array();
foreach(self::$db->select(self::LANG_TABLE,'message_id,content',array(
'lang' => $lang,
'app_name' => $app,
),__LINE__,__FILE__) as $row)
{
$loaded[strtolower($row['message_id'])] = $row['content'];
}
}
//error_log(__METHOD__."($app,$lang) took ".(1000*(microtime(true)-$start))." ms");
return $loaded;
}
/**
* Adds setup's translations, they are not in the DB!
*
* @param string $lang 2 or 5 char lang-code
* @return array with loaded phrases
*/
static protected function &load_setup($lang)
{
foreach(array(
EGW_SERVER_ROOT.'/setup/lang/' . self::LANGFILE_PREFIX . $lang . '.lang',
EGW_SERVER_ROOT.'/setup/lang/' . self::OLD_LANGFILE_PREFIX . $lang . '.lang',
EGW_SERVER_ROOT.'/setup/lang/' . self::LANGFILE_PREFIX . 'en.lang',
EGW_SERVER_ROOT.'/setup/lang/' . self::OLD_LANGFILE_PREFIX . 'en.lang',
) as $fn)
{
if (file_exists($fn) && ($fp = fopen($fn,'r')))
{
$phrases = array();
while ($data = fgets($fp,8000))
{
// explode with "\t" and removing "\n" with str_replace, needed to work with mbstring.overload=7
list($message_id,,,$content) = explode("\t",$data);
$phrases[strtolower(trim($message_id))] = str_replace("\n",'',$content);
}
fclose($fp);
return self::convert($phrases,$phrases['charset']);
}
}
return array(); // nothing found (should never happen, as the en translations always exist)
}
/**
* Cached languages
*
* @var array
*/
static $langs;
/**
* returns a list of installed langs
*
* @param boolean $force_read=false force a re-read of the languages
* @return array with lang-code => descriptiv lang-name pairs
*/
static function get_installed_langs($force_read=false)
{
if (!is_array(self::$langs) || $force_read)
{
if (is_null(self::$db)) self::init(false);
// we only cache the translation installed for the instance, not the return of this method, which is user-language dependent
self::$langs = egw_cache::getInstance(__CLASS__,'installed_langs',array(__CLASS__,'read_installed_langs'));
if (!self::$langs)
{
return false;
}
foreach(self::$langs as $lang => $name)
{
self::$langs[$lang] = self::translate($name,False,'');
}
uasort(self::$langs,'strcasecmp');
}
return self::$langs;
}
/**
* Read the installed languages from the db
*
* Never use directly, use get_installed_langs(), which employes caching (it has to be public, to act as callback for the cache!).
*
* @return array
*/
static function &read_installed_langs()
{
$langs = array();
foreach(self::$db->select(self::LANG_TABLE,'DISTINCT lang,lang_name','lang = lang_id',__LINE__,__FILE__,
false,'',false,0,','.self::LANGUAGES_TABLE) as $row)
{
$langs[$row['lang']] = $row['lang_name'];
}
return $langs;
}
/**
* translates a 2 or 5 char lang-code into a (verbose) language
*
* @param string $lang
* @return string/false language or false if not found
*/
static function lang2language($lang)
{
if (isset(self::$langs[$lang])) // no need to query the DB
{
return self::$langs[$lang];
}
return self::$db->select(self::LANGUAGES_TABLE,'lang_name',array('lang_id' => $lang),__LINE__,__FILE__)->fetchColumn();
}
/**
* List all languages, first the installed ones, then the available ones and last the rest
*
* @param boolean $force_read=false
* @return array with lang_id => lang_name pairs
*/
static function list_langs($force_read=false)
{
if (!$force_read)
{
return egw_cache::getInstance(__CLASS__,'list_langs',array(__CLASS__,'list_langs'),array(true));
}
$languages = self::get_installed_langs(); // used translated installed languages
$availible = array();
$f = fopen(EGW_SERVER_ROOT.'/setup/lang/languages','rb');
while($line = fgets($f,200))
{
list($id,$name) = explode("\t",$line);
$availible[] = trim($id);
}
fclose($f);
$availible = "('".implode("','",$availible)."')";
// this shows first the installed, then the available and then the rest
foreach(self::$db->select(self::LANGUAGES_TABLE,array(
'lang_id','lang_name',
"CASE WHEN lang_id IN $availible THEN 1 ELSE 0 END AS availible",
),"lang_id NOT IN ('".implode("','",array_keys($languages))."')",__LINE__,__FILE__,false,' ORDER BY availible DESC,lang_name') as $row)
{
$languages[$row['lang_id']] = $row['lang_name'];
}
return $languages;
}
/**
* returns a list of installed charsets
*
* @return array with charset as key and comma-separated list of langs useing the charset as data
*/
static function get_installed_charsets()
{
static $charsets;
if (!isset($charsets))
{
$charsets = array(
'utf-8' => lang('all languages').' (utf-8)',
'iso-8859-1' => lang('Western european').' (iso-8859-1)',
'iso-8859-2' => lang('Eastern european').' (iso-8859-2)',
'iso-8859-7' => lang('Greek').' (iso-8859-7)',
'euc-jp' => lang('Japanese').' (euc-jp)',
'euc-kr' => lang('Korean').' (euc-kr)',
'koi8-r' => lang('Russian').' (koi8-r)',
'windows-1251' => lang('Bulgarian').' (windows-1251)',
);
}
return $charsets;
}
/**
* converts a string $data from charset $from to charset $to
*
* @param string/array $data string(s) to convert
* @param string/boolean $from charset $data is in or False if it should be detected
* @param string/boolean $to charset to convert to or False for the system-charset the converted string
* @param boolean $check_to_from=true internal to bypass all charset replacements
* @return string/array converted string(s) from $data
*/
static function convert($data,$from=False,$to=False,$check_to_from=true)
{
if ($check_to_from)
{
if ($from) $from = strtolower($from);
if ($to) $to = strtolower($to);
if (!$from)
{
$from = self::$mbstring ? strtolower(mb_detect_encoding($data)) : 'iso-8859-1';
if($from == 'ascii')
{
$from = 'iso-8859-1';
}
//echo "<p>autodetected charset of '$data' = '$from'</p>\n";
}
/*
php does not seem to support gb2312
but seems to be able to decode it as EUC-CN
*/
switch($from)
{
case 'gb2312':
case 'gb18030':
$from = 'EUC-CN';
break;
case 'us-ascii':
case 'macroman':
case 'iso8859-1':
case 'windows-1258':
case 'windows-1252':
$from = 'iso-8859-1';
break;
case 'windows-1250':
$from = 'iso-8859-2';
break;
case 'windows-1257':
$from = 'iso-8859-13';
break;
}
if (!$to)
{
$to = self::charset();
}
if ($from == $to || !$from || !$to || !$data)
{
return $data;
}
}
if (is_array($data))
{
foreach($data as $key => $str)
{
$ret[$key] = self::convert($str,$from,$to,false); // false = bypass the above checks, as they are already done
}
return $ret;
}
if ($from == 'iso-8859-1' && $to == 'utf-8')
{
return utf8_encode($data);
}
if ($to == 'iso-8859-1' && $from == 'utf-8')
{
return utf8_decode($data);
}
if (self::$mbstring && ($data = @mb_convert_encoding($data,$to,$from)) != '')
{
return $data;
}
if (function_exists('iconv'))
{
// iconv can not convert from/to utf7-imap
if ($to == 'utf7-imap' && function_exists(imap_utf7_encode))
{
$convertedData = iconv($from, 'iso-8859-1', $data);
$convertedData = imap_utf7_encode($convertedData);
return $convertedData;
}
if ($from == 'utf7-imap' && function_exists(imap_utf7_decode))
{
$convertedData = imap_utf7_decode($data);
$convertedData = iconv('iso-8859-1', $to, $convertedData);
return $convertedData;
}
// the following is to workaround patch #962307
// if using EUC-CN, for iconv it strickly follow GB2312 and fail
// in an email on the first Traditional/Japanese/Korean character,
// but in reality when people send mails in GB2312, UMA mostly use
// extended GB13000/GB18030 which allow T/Jap/Korean characters.
if($from == 'EUC-CN')
{
$from = 'gb18030';
}
if (($convertedData = iconv($from,$to,$data)))
{
return $convertedData;
}
}
return $data;
}
/**
* rejected lines from install_langs()
*
* @var array
*/
static $line_rejected = array();
/**
* installs translations for the selected langs into the database
*
* @param array $langs langs to install (as data NOT keys (!))
* @param string $upgrademethod='dumpold' 'dumpold' (recommended & fastest), 'addonlynew' languages, 'addmissing' phrases
* @param string/boolean $only_app=false app-name to install only one app or default false for all
*/
static function install_langs($langs,$upgrademethod='dumpold',$only_app=False)
{
if (is_null(self::$db)) self::init(false);
@set_time_limit(0); // we might need some time
//echo "<p>translation_sql::install_langs(".print_r($langs,true).",'$upgrademthod','$only_app')</p>\n";
if (!isset($GLOBALS['egw_info']['server']) && $upgrademethod != 'dumpold')
{
if (($ctimes = self::$db->select(config::TABLE,'config_value',array(
'config_app' => 'phpgwapi',
'config_name' => 'lang_ctimes',
),__LINE__,__FILE__)->fetchColumn()))
{
$GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize(stripslashes($ctimes));
}
}
if (!is_array($langs) || !count($langs))
{
return;
}
self::$db->transaction_begin();
if ($upgrademethod == 'dumpold')
{
// dont delete the custom main- & loginscreen messages every time
self::$db->delete(self::LANG_TABLE,array("app_name!='mainscreen'","app_name!='loginscreen'"),__LINE__,__FILE__);
//echo '<br>Test: dumpold';
$GLOBALS['egw_info']['server']['lang_ctimes'] = array();
}
foreach($langs as $lang)
{
//echo '<br>Working on: ' . $lang;
$addlang = False;
if ($upgrademethod == 'addonlynew')
{
//echo "<br>Test: addonlynew - select count(*) from egw_lang where lang='".$lang."'";
if (!self::$db->select(self::LANG_TABLE,'COUNT(*)',array(
'lang' => $lang,
),__LINE__,__FILE__)->fetchColumn())
{
//echo '<br>Test: addonlynew - True';
$addlang = True;
}
}
if ($addlang && $upgrademethod == 'addonlynew' || $upgrademethod != 'addonlynew')
{
//echo '<br>Test: loop above file()';
if (!is_object($GLOBALS['egw_setup']))
{
$GLOBALS['egw_setup'] =& CreateObject('setup.setup');
$GLOBALS['egw_setup']->db = clone(self::$db);
}
$setup_info = $GLOBALS['egw_setup']->detection->get_versions();
$setup_info = $GLOBALS['egw_setup']->detection->get_db_versions($setup_info);
$raw = array();
$apps = $only_app ? array($only_app) : array_keys($setup_info);
// Visit each app/setup dir, look for a egw_lang file
foreach($apps as $app)
{
$appfile = EGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . self::LANGFILE_PREFIX . strtolower($lang) . '.lang';
$old_appfile = EGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . self::OLD_LANGFILE_PREFIX . strtolower($lang) . '.lang';
//echo '<br>Checking in: ' . $app;
if($GLOBALS['egw_setup']->app_registered($app) && (file_exists($appfile) || file_exists($appfile=$old_appfile)))
{
//echo '<br>Including: ' . $appfile;
$lines = file($appfile);
foreach($lines as $line)
{
// explode with "\t" and removing "\n" with str_replace, needed to work with mbstring.overload=7
list($message_id,$app_name,,$content) = $_f_buffer = explode("\t",$line);
$content=str_replace(array("\n","\r"),'',$content);
if( count($_f_buffer) != 4 )
{
$line_display = str_replace(array("\t","\n"),
array("<font color='red'><b>\\t</b></font>","<font color='red'><b>\\n</b></font>"), $line);
self::$line_rejected[] = array(
'appfile' => $appfile,
'line' => $line_display,
);
}
$message_id = substr(strtolower(chop($message_id)),0,self::MAX_MESSAGE_ID_LENGTH);
$app_name = chop($app_name);
$raw[$app_name][$message_id] = $content;
}
if ($GLOBALS['egw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['egw_info']['server']['lang_ctimes']))
{
$GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['egw_info']['server']['lang_ctimes']);
}
$GLOBALS['egw_info']['server']['lang_ctimes'][$lang][$app] = filemtime($appfile);
}
}
$charset = strtolower(@$raw['common']['charset'] ? $raw['common']['charset'] : self::charset($lang));
//echo "<p>lang='$lang', charset='$charset', system_charset='self::$system_charset')</p>\n";
//echo "<p>raw($lang)=<pre>".print_r($raw,True)."</pre>\n";
foreach($raw as $app_name => $ids)
{
foreach($ids as $message_id => $content)
{
if (self::$system_charset)
{
$content = self::convert($content,$charset,self::$system_charset);
}
$addit = False;
//echo '<br>APPNAME:' . $app_name . ' PHRASE:' . $message_id;
if ($upgrademethod == 'addmissing')
{
//echo '<br>Test: addmissing';
$rs = self::$db->select(self::LANG_TABLE,"content,CASE WHEN app_name IN ('common') THEN 1 ELSE 0 END AS in_api",array(
'message_id' => $message_id,
'lang' => $lang,
self::$db->expression(self::LANG_TABLE,'(',array(
'app_name' => $app_name
)," OR app_name='common') ORDER BY in_api DESC")),__LINE__,__FILE__);
if (!($row = $rs->fetch()))
{
$addit = True;
}
else
{
if ($row['in_api']) // same phrase is in the api
{
$addit = $row['content'] != $content; // only add if not identical
}
$row2 = $rs->fetch();
if (!$row['in_api'] || $app_name=='common' || $row2) // phrase is alread in the db
{
$addit = $content != ($row2 ? $row2['content'] : $row['content']);
if ($addit) // if we want to add/update it ==> delete it
{
self::$db->delete(self::LANG_TABLE,array(
'message_id' => $message_id,
'lang' => $lang,
'app_name' => $app_name,
),__LINE__,__FILE__);
}
}
}
}
if ($addit || $upgrademethod == 'addonlynew' || $upgrademethod == 'dumpold')
{
if($message_id && $content)
{
// echo "<br>adding - insert into egw_lang values ('$message_id','$app_name','$lang','$content')";
$result = self::$db->insert(self::LANG_TABLE,array(
'message_id' => $message_id,
'app_name' => $app_name,
'lang' => $lang,
'content' => $content,
),False,__LINE__,__FILE__);
if ((int)$result <= 0)
{
echo "<br>Error inserting record: egw_lang values ('$message_id','$app_name','$lang','$content')";
}
}
}
}
// delete the cache
egw_cache::unsetTree(__CLASS__,$app_name.':'.$lang);
//error_log(__METHOD__.'('.array2string($langs).",$upgrademethod,$only_app) deleted cache for app=$app_name and lang=$lang.");
}
}
}
// delete the cache
egw_cache::unsetInstance(__CLASS__,'installed_langs');
egw_cache::unsetInstance(__CLASS__,'list_langs');
self::$db->transaction_commit();
// update the ctimes of the installed langsfiles for the autoloading of the lang-files
//
config::save_value('lang_ctimes',$GLOBALS['egw_info']['server']['lang_ctimes'],'phpgwapi');
}
/**
* re-loads all (!) langfiles if one langfile for the an app and the language of the user has changed
*/
static function autoload_changed_langfiles()
{
//echo "<h1>check_langs()</h1>\n";
if ($GLOBALS['egw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['egw_info']['server']['lang_ctimes']))
{
$GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['egw_info']['server']['lang_ctimes']);
}
//_debug_array($GLOBALS['egw_info']['server']['lang_ctimes']);
$lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
$apps = $GLOBALS['egw_info']['user']['apps'];
$apps['phpgwapi'] = True; // check the api too
foreach($apps as $app => $data)
{
$fname = EGW_SERVER_ROOT . "/$app/setup/" . self::LANGFILE_PREFIX . "$lang.lang";
$old_fname = EGW_SERVER_ROOT . "/$app/setup/" . self::OLD_LANGFILE_PREFIX . "$lang.lang";
if (file_exists($fname) || file_exists($fname = $old_fname))
{
$ctime = filectime($fname);
/* This is done to avoid string offset error at least in php5 */
$tmp = $GLOBALS['egw_info']['server']['lang_ctimes'][$lang];
$ltime = (int)$tmp[$app];
unset($tmp);
//echo "checking lang='$lang', app='$app', ctime='$ctime', ltime='$ltime'<br>\n";
if ($ctime != $ltime)
{
// update all langs
$installed = self::get_installed_langs();
//echo "<p>install_langs(".print_r($installed,True).")</p>\n";
self::install_langs($installed ? array_keys($installed) : array());
break;
}
}
}
}
/* Following functions are called for app (un)install */
/**
* gets array of installed languages, e.g. array('de','en')
*
* @param boolean $DEBUG=false debug messages or not, default not
* @return array with installed langs
*/
static function get_langs($DEBUG=False)
{
if($DEBUG)
{
echo '<br>get_langs(): checking db...' . "\n";
}
if (!self::$langs)
{
self::get_installed_langs();
}
return self::$langs ? array_keys(self::$langs) : array();
}
/**
* delete all lang entries for an application, return True if langs were found
*
* @param $appname app_name whose translations you want to delete
* @param boolean $DEBUG=false debug messages or not, default not
* @return boolean true if $appname had translations installed, false otherwise
*/
static function drop_langs($appname,$DEBUG=False)
{
if($DEBUG)
{
echo '<br>drop_langs(): Working on: ' . $appname;
}
if (is_null(self::$db)) self::init(false);
if (self::$db->select(self::LANG_TABLE,'COUNT(*)',array(
'app_name' => $appname
),__LINE__,__FILE__)->fetchColumn())
{
self::$db->delete(self::LANG_TABLE,array(
'app_name' => $appname
),__LINE__,__FILE__);
return True;
}
return False;
}
/**
* process an application's lang files, calling get_langs() to see what langs the admin installed already
*
* @param string $appname app_name of application to process
* @param boolean $DEBUG=false debug messages or not, default not
* @param array/boolean $force_langs=false array with langs to install anyway (beside the allready installed ones), or false for none
*/
static function add_langs($appname,$DEBUG=False,$force_langs=False)
{
$langs = self::get_langs($DEBUG);
if(is_array($force_langs))
{
foreach($force_langs as $lang)
{
if (!in_array($lang,$langs))
{
$langs[] = $lang;
}
}
}
if($DEBUG)
{
echo '<br>add_langs(): chose these langs: ';
_debug_array($langs);
}
self::install_langs($langs,'addmissing',$appname);
}
/**
* insert/update one phrase in the lang-table
*
* @param string $lang
* @param string $app
* @param string $message_id
* @param string $content
*/
static function write($lang,$app,$message_id,$content)
{
self::$db->insert(self::LANG_TABLE,array(
'content' => $content,
),array(
'lang' => $lang,
'app_name' => $app,
'message_id' => $message_id,
),__LINE__,__FILE__);
// invalidate the cache
egw_cache::unsetCache(in_array($app,self::$instance_specific_translations) ? egw_cache::INSTANCE : egw_cache::TREE,__CLASS__,$app.':'.$lang);
}
/**
* read one phrase from the lang-table
*
* @param string $lang
* @param string $app_name
* @param string $message_id
* @return string/boolean content or false if not found
*/
static function read($lang,$app_name,$message_id)
{
return self::$db->select(self::LANG_TABLE,'content',array(
'lang' => $lang,
'app_name' => $app_name,
'message_id' => $message_id,
),__LINE__,__FILE__)->fetchColumn();
}
/**
* Return the message_id of a given translation
*
* @param string $translation
* @param string $app='' default check all apps
* @param string $lang='' default check all langs
* @return string
*/
static function get_message_id($translation,$app=null,$lang=null)
{
$like = self::$db->Type == 'pgsql' ? 'ILIKE' : 'LIKE';
$where = array('content '.$like.' '.self::$db->quote($translation)); // like to be case-insensitive
if ($app) $where['app_name'] = $app;
if ($lang) $where['lang'] = $lang;
return self::$db->select(self::LANG_TABLE,'message_id',$where,__LINE__,__FILE__)->fetchColumn();
}
/**
* Return the decoded string meeting some additional requirements for mailheaders
*
* @param string $_string -> part of an mailheader
* @param string $displayCharset the charset parameter specifies the character set to represent the result by (if iconv_mime_decode is to be used)
* @return string
*/
static function decodeMailHeader($_string, $displayCharset='utf-8')
{
//error_log(__FILE__.','.__METHOD__.':'."called with $_string and CHARSET $displayCharset");
if(function_exists(imap_mime_header_decode))
{
$newString = '';
$string = preg_replace('/\?=\s+=\?/', '?= =?', $_string);
$elements=imap_mime_header_decode($string);
foreach((array)$elements as $element)
{
if ($element->charset == 'default') $element->charset = 'iso-8859-1';
$newString .= self::convert($element->text,$element->charset);
}
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$newString);
}
elseif(function_exists(mb_decode_mimeheader))
{
$string = $_string;
if(preg_match_all('/=\?.*\?Q\?.*\?=/iU', $string, $matches))
{
foreach($matches[0] as $match)
{
$fixedMatch = str_replace('_', ' ', $match);
$string = str_replace($match, $fixedMatch, $string);
}
$string = str_replace('=?ISO8859-','=?ISO-8859-',$string);
$string = str_replace('=?windows-1258','=?ISO-8859-1',$string);
}
$string = mb_decode_mimeheader($string);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
elseif(function_exists(iconv_mime_decode))
{
// continue decoding also if an error occurs
$string = @iconv_mime_decode($_string, 2, $displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
// no decoding function available
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$_string);
}
}
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