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egroupware_official/phpgwapi/inc/class.translation.inc.php
Ralf Becker 075db1ac82 quietening permanent error_log
2011-11-30 09:37:47 +00:00

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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 $instance_specific_translations = array('loginscreen','mainscreen','custom');
/**
* returns the charset to use (!$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'));
}
// in case no charset is set, default to utf-8
if (empty($charset) || $charset == 'charset') $charset = 'utf-8';
// we need to set our charset as mbstring.internal_encoding if mbstring.func_overlaod > 0
// else we get problems for a charset is different from the default utf-8
if (ini_get('mbstring.func_overload') && self::$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)
{
self::$lang_arr = self::$loaded_apps = array();
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']);
// load instance specific translations
self::add_app('custom');
}
}
/**
* 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, $not_found='*' )
{
if (!self::$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
{
$new_key = strtolower(substr($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)
{
static $placeholders = array('%3','%2','%1','|%2|','|%3|','%4','%5','%6','%7','%8','%9','%10');
// to cope with $vars[0] containing '%2' (eg. an urlencoded path like a referer),
// we first replace '%2' in $ret with '|%2|' and then use that as 2. placeholder
// we do that for %3 as well, ...
$vars = array_merge(array('|%3|','|%2|'),$vars); // push '|%2|' (and such) as first replacement on $vars
$ret = str_replace($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 ($app == 'custom') $lang = 'en'; // custom translations use only 'en'
if (!isset(self::$loaded_apps[$app]) || self::$loaded_apps[$app] != $lang)
{
//$start = microtime(true);
// for loginscreen we have to use a instance specific cache!
$instance_specific = in_array($app,self::$instance_specific_translations);
$loaded =& egw_cache::getCache($instance_specific ? egw_cache::INSTANCE : egw_cache::TREE,
__CLASS__,$app.':'.$lang);
// do NOT use automatic callback to cache result, as installing languages in setup can create
// a racecondition, therefore only cache existing non-instance-specific translations,
// never cache nothing found === array(), instance-specific translations can and should always be cached!
//error_log(__METHOD__."('$app', '$lang') egw_cache::getCache() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
if (!$loaded && (!$instance_specific || is_null($loaded)))
{
//error_log(__METHOD__."('$app', '$lang') egw_cache::getCache() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
$loaded =& self::load_app($app,$lang);
if ($loaded || $instance_specific)
{
//error_log(__METHOD__."('$app', '$lang') caching now ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
egw_cache::setCache($instance_specific ? egw_cache::INSTANCE : egw_cache::TREE,
__CLASS__,$app.':'.$lang,$loaded);
}
}
// we have to use array_merge! (+= does not overwrite common translations with different ones in an app)
// array_merge messes up translations of numbers, which make no sense and should be avoided anyway.
self::$lang_arr = array_merge(self::$lang_arr,$loaded);
self::$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
{
if (is_null(self::$db)) self::init(false);
$loaded = array();
foreach(self::$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 to load ".count($loaded)." phrases");
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;
}
/**
* provides centralization and compatibility to locate the lang files
*
* @param string $app application name
* @param string $lang language code
* @return the full path of the filename for the requested app and language
*/
static function get_lang_file($app,$lang)
{
// Visit each lang file dir, look for a corresponding ${prefix}_lang file
$langprefix=EGW_SERVER_ROOT . SEP ;
$langsuffix=strtolower($lang) . '.lang';
$new_appfile = $langprefix . $app . SEP . 'lang' . SEP . self::LANGFILE_PREFIX . $langsuffix;
$cur_appfile = $langprefix . $app . SEP . 'setup' . SEP . self::LANGFILE_PREFIX . $langsuffix;
$old_appfile = $langprefix . $app . SEP . 'setup' . SEP . self::OLD_LANGFILE_PREFIX . $langsuffix;
// Note there's no chance for 'lang/phpgw_' files
$appfile = $new_appfile; // set as default
if (file_exists($new_appfile))
{
// nothing to do, already default
}
elseif (file_exists($cur_appfile))
{
$appfile=$cur_appfile;
}
elseif (file_exists($old_appfile))
{
$appfile=$old_appfile;
}
return $appfile;
}
/**
* 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;
case 'windows-874':
case 'tis-620':
$prefer_iconv = true;
break;
}
if (!$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::$mbstring && !$prefer_iconv && ($data = @mb_convert_encoding($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)
{
//error_log(__METHOD__.'('.array2string($langs).", $upgrademethod, $only_app)");
if (is_null(self::$db)) self::init(false);
@set_time_limit(0); // we might need some time
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; // nothing to do
}
if ($upgrademethod == 'dumpold')
{
// dont delete the custom main- & loginscreen messages every time
self::$db->delete(self::LANG_TABLE,"app_name!='mainscreen' AND app_name!='loginscreen'",__LINE__,__FILE__);
//echo '<br>Test: dumpold';
$GLOBALS['egw_info']['server']['lang_ctimes'] = array();
}
foreach($langs as $lang)
{
// run the update of each lang in a transaction
self::$db->transaction_begin();
$addlang = False;
if ($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);
}
if (!isset($setup_info) && !$only_app)
{
$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($setup_info);
foreach($apps as $app)
{
$appfile=self::get_lang_file($app,$lang);
//echo '<br>Checking in: ' . $app;
if($GLOBALS['egw_setup']->app_registered($app) && (file_exists($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][$app] = filectime($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')";
}
}
}
}
}
}
// commit now the update of $lang, before we fill the cache again
self::$db->transaction_commit();
$apps = array_keys($raw);
unset($raw);
foreach($apps as $app_name)
{
// update the tree-level cache, as we can not effectivly unset it in a multiuser enviroment,
// as users from other - not yet updated - instances update it again with an old version!
egw_cache::setTree(__CLASS__,$app_name.':'.$lang,($phrases=&self::load_app($app_name,$lang)));
//error_log(__METHOD__.'('.array2string($langs).",$upgrademethod,$only_app) updating tree-level cache for app=$app_name and lang=$lang: ".count($phrases)." phrases");
}
}
// delete the cache
egw_cache::unsetInstance(__CLASS__,'installed_langs');
egw_cache::unsetInstance(__CLASS__,'list_langs');
// update the ctimes of the installed langsfiles for the autoloading of the lang-files
//error_log(__METHOD__.'('.array2string($langs).",$upgrademethod,$only_app) storing lang_ctimes=".array2string($GLOBALS['egw_info']['server']['lang_ctimes']));
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']);
}
//error_log(__METHOD__."(): ling_ctimes=".array2string($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)
{
$fname=self::get_lang_file($app,$lang);
$old_fname = EGW_SERVER_ROOT . "/$app/setup/" . self::OLD_LANGFILE_PREFIX . "$lang.lang";
if (file_exists($fname) || file_exists($fname = $old_fname))
{
if (!isset($GLOBALS['egw_info']['server']['lang_ctimes'][$lang]) ||
$GLOBALS['egw_info']['server']['lang_ctimes'][$lang][$app] != filectime($fname))
{
// update all langs
$installed = self::get_installed_langs();
//error_log(__METHOD__."(): self::install_langs(".array2string($installed).')');
self::install_langs($installed ? array_keys($installed) : array('en'));
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/delete one phrase in the lang-table
*
* @param string $lang
* @param string $app
* @param string $message_id
* @param string $content translation or null to delete translation
*/
static function write($lang,$app,$message_id,$content)
{
if ($content)
{
self::$db->insert(self::LANG_TABLE,array(
'content' => $content,
),array(
'lang' => $lang,
'app_name' => $app,
'message_id' => $message_id,
),__LINE__,__FILE__);
}
else
{
self::$db->delete(self::LANG_TABLE,array(
'lang' => $lang,
'app_name' => $app,
'message_id' => $message_id,
),__LINE__,__FILE__);
}
// invalidate the cache
if(!in_array($app,self::$instance_specific_translations))
{
egw_cache::unsetCache(egw_cache::TREE,__CLASS__,$app.':'.$lang);
}
else
{
foreach((array)self::get_installed_langs() as $key => $name)
{
egw_cache::unsetCache(egw_cache::INSTANCE,__CLASS__,$app.':'.$key);
}
}
}
/**
* 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)
{
$where = array('content '.self::$db->capabilities[egw_db::CAPABILITY_CASE_INSENSITIV_LIKE].' '.self::$db->quote($translation));
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))
{
// some characterreplacements, as they fail to translate
$sar = array(
'@(\x84|\x93|\x94)@',
'@(\x96|\x97)@',
'@(\x91|\x92)@',
'@(\x85)@',
'@(\x86)@',
);
$rar = array(
'"',
'-',
'\'',
'...',
'+',
);
$newString = '';
$string = preg_replace('/\?=\s+=\?/', '?= =?', $_string);
$elements=imap_mime_header_decode($string);
$convertAtEnd = false;
foreach((array)$elements as $element)
{
if ($element->charset == 'default') $element->charset = 'iso-8859-1';
if ($element->charset != 'x-unknown')
{
if( strtoupper($element->charset) != 'UTF-8') $element->text = preg_replace($sar,$rar,$element->text);
if(preg_match('/\?=.+=\?/', $element->text))
{
$element->text = self::decodeMailHeader($element->text, $element->charset);
$element->charset = $displayCharset;
}
$newString .= self::convert($element->text,$element->charset);
}
else
{
$newString .= $element->text;
$convertAtEnd = true;
}
}
if ($convertAtEnd) $newString = self::decodeMailHeader($newString,$displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$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])/','',$_string);
}
/**
* replace emailaddresses enclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
* as well as those emailadresses in links, and within broken links
* @param string the text to process
* @return 1
*/
static function replaceEmailAdresses(&$text)
{
//error_log($text);
//replace CRLF with something other to be preserved via preg_replace as CRLF seems to vanish
$text = str_replace("\r\n",'<#cr-lf#>',$text);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
$text = preg_replace("/(<|&lt;a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/ie","'$2 '", $text);
$text = preg_replace('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>~si','$2 ',$text);
$text = preg_replace("/(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))( |\s)*(<\/a>)*( |\s)*(>|&gt;)*/ie","'$1 '", $text);
$text = preg_replace("/(<|&lt;)*(([\w\.,-.,_.,0-9.]+)@([\w\.,-.,_.,0-9.]+))(>|&gt;)*/ie","'$2 '", $text);
$text = str_replace('<#cr-lf#>',"\r\n",$text);
return 1;
}
/**
* strip tags out of the message completely with their content
* @param string $_body is the text to be processed
* @param string $tag is the tagname which is to be removed. Note, that only the name of the tag is to be passed to the function
* without the enclosing brackets
* @param string $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- -->
* @param bool $addbbracesforendtag if endtag is given, you may decide if the </ and > braces are to be added,
* or if you want the string to be matched as is
* @return void the modified text is passed via reference
*/
static function replaceTagsCompletley(&$_body,$tag,$endtag='',$addbracesforendtag=true)
{
if ($tag) $tag = strtolower($tag);
if ($endtag == '' || empty($endtag) || !isset($endtag))
{
$endtag = $tag;
} else {
$endtag = strtolower($endtag);
//error_log(__METHOD__.' Using EndTag:'.$endtag);
}
// strip tags out of the message completely with their content
$taglen=strlen($tag);
$endtaglen=strlen($endtag);
if ($_body) {
if ($addbracesforendtag === true )
{
$_body = preg_replace('~<'.$tag.'[^>]*?>(.*)</'.$endtag.'[\s]*>~simU','',$_body);
// remove left over tags, unfinished ones, and so on
$_body = preg_replace('~<'.$tag.'[^>]*?>~si','',$_body);
}
if ($addbracesforendtag === false )
{
$_body = preg_replace('~<'.$tag.'[^>]*?>(.*)'.$endtag.'~simU','',$_body);
// remove left over tags, unfinished ones, and so on
$_body = preg_replace('~<'.$tag.'[^>]*?>~si','',$_body);
$_body = preg_replace('~'.$endtag.'~','',$_body);
}
}
}
/**
* convertHTMLToText
* @param string $_html : Text to be stripped down
* @param string $displayCharset : charset to use; should be a valid charset
* @param bool $stripcrl : flag to indicate for the removal of all crlf \r\n
* @param bool $stripalltags : flag to indicate wether or not to strip $_html from all remaining tags
* @return text $_html : the modified text.
*/
static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false,$stripalltags=true)
{
if ($displayCharset === false) $displayCharset = self::$system_charset;
//error_log(__METHOD__.$_html);
#print '<hr>';
#print "<pre>"; print htmlspecialchars($_html);
#print "</pre>";
#print "<hr>";
self::replaceTagsCompletley($_html,'style');
$Rules = array ('@<script[^>]*?>.*?</script>@siU', // Strip out javascript
'@&(quot|#34);@i', // Replace HTML entities
'@&(amp|#38);@i', // Ampersand &
'@&(lt|#60);@i', // Less Than <
'@&(gt|#62);@i', // Greater Than >
'@&(nbsp|#160);@i', // Non Breaking Space
'@&(iexcl|#161);@i', // Inverted Exclamation point
'@&(cent|#162);@i', // Cent
'@&(pound|#163);@i', // Pound
'@&(copy|#169);@i', // Copyright
'@&(reg|#174);@i', // Registered
'@&(trade|#8482);@i', // trade
'@&#39;@i', // singleQuote
'@(\xc2\xa0)@', // nbsp or tab (encoded windows-style)
);
$Replace = array ('',
'"',
'#amper#sand#',
'<',
'>',
' ',
chr(161),
chr(162),
chr(163),
'(C)',//chr(169),// copyrighgt
'(R)',//chr(174),// registered
'(TM)',// trade
"'",
' ',
);
$_html = preg_replace($Rules, $Replace, $_html);
// removing carriage return linefeeds, preserve those enclosed in <pre> </pre> tags
if ($stripcrl === true )
{
if (stripos($_html,'<pre>')!==false)
{
$contentArr = html::splithtmlByPRE($_html);
foreach ($contentArr as $k =>&$elem)
{
if (stripos($elem,'<pre>')===false)
{
//$elem = str_replace('@(\r\n)@i',' ',$elem);
$elem = str_replace(array("\r\n","\n"),' ',$elem);
}
}
$_html = implode('',$contentArr);
}
else
{
$_html = str_replace(array("\r\n","\n"),' ',$_html);
}
}
$tags = array (
0 => '~<h[123][^>]*>\r*\n*~si',
1 => '~<h[456][^>]*>\r*\n*~si',
2 => '~<table[^>]*>\r*\n*~si',
3 => '~<tr[^>]*>\r*\n*~si',
4 => '~<li[^>]*>\r*\n*~si',
5 => '~<br[^>]*>\r*\n*~si',
6 => '~<br[^>]*>~si',
7 => '~<p[^>]*>\r*\n*~si',
8 => '~<div[^>]*>\r*\n*~si',
9 => '~<hr[^>]*>\r*\n*~si',
10 => '/<blockquote type="cite">/',
11 => '/<blockquote>/',
12 => '~</blockquote>~si',
13 => '~<blockquote[^>]*>~si',
);
$Replace = array (
0 => "\r\n",
1 => "\r\n",
2 => "\r\n",
3 => "\r\n",
4 => "\r\n",
5 => "\r\n",
6 => "\r\n",
7 => "\r\n",
8 => "\r\n",
9 => "\r\n__________________________________________________\r\n",
10 => '#blockquote#type#cite#',
11 => '#blockquote#type#cite#',
12 => '#blockquote#end#cite#',
13 => '#blockquote#type#cite#',
);
$_html = preg_replace($tags,$Replace,$_html);
$_html = preg_replace('~</t(d|h)>\s*<t(d|h)[^>]*>~si',' - ',$_html);
$_html = preg_replace('~<img[^>]+>~s','',$_html);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
self::replaceEmailAdresses($_html);
//convert hrefs to description -> URL
$_html = preg_replace('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*)</a>~si','[$2 -> $1]',$_html);
// reducing double \r\n to single ones, dont mess with pre sections
if ($stripcrl === true )
{
if (stripos($_html,'<pre>')!==false)
{
$contentArr = html::splithtmlByPRE($_html);
foreach ($contentArr as $k =>&$elem)
{
if (stripos($elem,'<pre>')===false)
{
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
}
// strip out whitespace inbetween CR/LF
$elem = preg_replace('~\r\n\s+\r\n~si', "\r\n\r\n", $elem);
// strip out / reduce exess CR/LF
$elem = preg_replace('~\r\n{3,}~si',"\r\n\r\n",$elem);
}
}
$_html = implode('',$contentArr);
}
else
{
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
}
// strip out whitespace inbetween CR/LF
$_html = preg_replace('~\r\n\s+\r\n~si', "\r\n\r\n", $_html);
// strip out / reduce exess CR/LF
$_html = preg_replace('~(\r\n){3,}~si',"\r\n\r\n",$_html);
}
}
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
//$_html = strip_tags($_html, '<a>');
}
// reducing spaces
$_html = preg_replace('~ +~s',' ',$_html);
// we dont reduce whitespace at the start or the end of the line, since its used for structuring the document
#$_html = preg_replace('~^\s+~m','',$_html);
#$_html = preg_replace('~\s+$~m','',$_html);
// restoring ampersands
$_html = str_replace('#amper#sand#','&',$_html);
//error_log(__METHOD__.__LINE__.' Charset:'.$displayCharset.' -> '.$_html);
$_html = html_entity_decode($_html, ENT_COMPAT, $displayCharset);
//error_log(__METHOD__.__LINE__.' Charset:'.$displayCharset.' After html_entity_decode: -> '.$_html);
//self::replaceEmailAdresses($_html);
#error_log($text);
$pos = strpos($_html, 'blockquote');
//error_log("convert HTML2Text: $_html");
if($pos === false) {
return $_html;
} else {
$indent = 0;
$indentString = '';
$quoteParts = preg_split('/#blockquote#type#cite#/', $_html, -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts as $quotePart) {
if($quotePart[1] > 0) {
$indent++;
$indentString .= '>';
}
$quoteParts2 = preg_split('/#blockquote#end#cite#/', $quotePart[0], -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts2 as $quotePart2) {
if($quotePart2[1] > 0) {
$indent--;
$indentString = substr($indentString, 0, $indent);
}
$quoteParts3 = explode("\r\n", $quotePart2[0]);
foreach($quoteParts3 as $quotePart3) {
//error_log(__METHOD__.__LINE__.'Line:'.$quotePart3);
$allowedLength = 76-strlen("\r\n$indentString");
// only break lines, if not already indented
if (substr($quotePart3,0,strlen($indentString)) != $indentString)
{
if (strlen($quotePart3) > $allowedLength) {
$s=explode(" ", $quotePart3);
$quotePart3 = "";
$linecnt = 0;
foreach ($s as $k=>$v) {
$cnt = strlen($v);
// only break long words within the wordboundaries,
// but it may destroy links, so we check for href and dont do it if we find it
if($cnt > $allowedLength && stripos($v,'href=')===false) {
//error_log(__METHOD__.__LINE__.'LongWordFound:'.$v);
$v=wordwrap($v, $allowedLength, "\r\n$indentString", true);
}
// the rest should be broken at the start of the new word that exceeds the limit
if ($linecnt+$cnt > $allowedLength) {
$v="\r\n$indentString$v";
//error_log(__METHOD__.__LINE__.'breaking here:'.$v);
$linecnt = 0;
} else {
$linecnt += $cnt;
}
if (strlen($v)) $quotePart3 .= (strlen($quotePart3) ? " " : "").$v;
}
}
}
//error_log(__METHOD__.__LINE__.'partString to return:'.$indentString . $quotePart3);
$asciiTextBuff[] = $indentString . $quotePart3 ;
}
}
}
return implode("\r\n",$asciiTextBuff);
}
}
}
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