forked from extern/egroupware
1235 lines
39 KiB
PHP
1235 lines
39 KiB
PHP
<?php
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/**
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* EGroupware API - Translations
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*
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* @link http://www.egroupware.org
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* @author Joseph Engo <jengo@phpgroupware.org>
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* @author Dan Kuykendall <seek3r@phpgroupware.org>
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* Copyright (C) 2000, 2001 Joseph Engo
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* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
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* @package api
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* @version $Id$
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*/
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/**
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* EGroupware API - Translations
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*
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* All methods of this class can now be called static.
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*
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* Translations are cached tree-wide via egw_cache class.
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*
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* Translations are no longer stored in database, but load directly from *.lang files into cache.
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* Only exception as instance specific translations: mainscreen, loginscreen and custom (see $instance_specific_translations)
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*/
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class translation
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{
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/**
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* Language of current user, will be set by init()
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*
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* @var string
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*/
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static $userlang = 'en';
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/**
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* Already loaded translations by applicaton
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*
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* @var array $app => $lang pairs
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*/
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static $loaded_apps = array();
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/**
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* Loaded phrases
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*
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* @var array $message_id => $translation pairs
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*/
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static $lang_arr = array();
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/**
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* Tables used by this class
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*/
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const LANG_TABLE = 'egw_lang';
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const LANGUAGES_TABLE = 'egw_languages';
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/**
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* Directory for language files
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*/
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const LANG_DIR = 'lang';
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/**
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* Prefix of language files
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*/
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const LANGFILE_PREFIX = 'egw_';
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/**
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* Prefix of language files
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*/
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const LANGFILE_EXTENSION = '.lang';
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/**
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* Reference to global db-class
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*
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* @var egw_db
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*/
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static $db;
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/**
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* Mark untranslated strings with an asterisk (*)
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*
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* @var boolean
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*/
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static $markuntranslated=false;
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/**
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* System charset
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*
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* @var string
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*/
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static $system_charset;
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/**
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* Is the mbstring extension available
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*
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* @var boolean
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*/
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static $mbstring;
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/**
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* Internal encoding / charset of mbstring (if loaded)
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*
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* @var string
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*/
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static $mbstring_internal_encoding;
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/**
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* Application which translations have to be cached instance- and NOT tree-specific
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*
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* @var array
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*/
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static $instance_specific_translations = array('loginscreen','mainscreen','custom');
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/**
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* returns the charset to use (!$lang) or the charset of the lang-files or $lang
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*
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* @param string/boolean $lang=False return charset of the active user-lang, or $lang if specified
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* @return string charset
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*/
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static function charset($lang=False)
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{
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static $charsets = array();
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if ($lang)
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{
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if (!isset($charsets[$lang]))
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{
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if (!($charsets[$lang] = self::$db->select(self::LANG_TABLE,'content',array(
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'lang' => $lang,
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'message_id'=> 'charset',
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'app_name' => 'common',
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),__LINE__,__FILE__)->fetchColumn()))
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{
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$charsets[$lang] = 'utf-8';
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}
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}
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return $charsets[$lang];
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}
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if (self::$system_charset) // do we have a system-charset ==> return it
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{
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$charset = self::$system_charset;
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}
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else
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{
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// if no translations are loaded (system-startup) use a default, else lang('charset')
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$charset = !self::$lang_arr ? 'utf-8' : strtolower(self::translate('charset'));
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}
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// in case no charset is set, default to utf-8
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if (empty($charset) || $charset == 'charset') $charset = 'utf-8';
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// we need to set our charset as mbstring.internal_encoding if mbstring.func_overlaod > 0
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// else we get problems for a charset is different from the default utf-8
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if (ini_get('mbstring.func_overload') && self::$mbstring_internal_encoding != $charset)
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{
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ini_set('mbstring.internal_encoding',self::$mbstring_internal_encoding = $charset);
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}
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return $charset;
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}
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/**
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* Initialises global lang-array and loads the 'common' and app-spec. translations
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*
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* @param boolean $load_translations=true should we also load translations for common and currentapp
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*/
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static function init($load_translations=true)
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{
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if (!isset(self::$db))
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{
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self::$db = isset($GLOBALS['egw_setup']) && isset($GLOBALS['egw_setup']->db) ? $GLOBALS['egw_setup']->db : $GLOBALS['egw']->db;
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}
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if (!isset($GLOBALS['egw_setup']))
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{
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self::$system_charset = $GLOBALS['egw_info']['server']['system_charset'];
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}
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else
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{
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self::$system_charset =& $GLOBALS['egw_setup']->system_charset;
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}
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if ((self::$mbstring = check_load_extension('mbstring')))
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{
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if(!empty(self::$system_charset))
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{
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ini_set('mbstring.internal_encoding',self::$system_charset);
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}
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}
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self::$markuntranslated = (boolean) $GLOBALS['egw_info']['server']['markuntranslated'];
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// try loading load_via from tree-wide cache and check if it contains more rules
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if (($load_via = egw_cache::getTree(__CLASS__, 'load_via')) &&
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$load_via > $GLOBALS['egw_info']['server']['translation_load_via']) // > for array --> contains more elements
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{
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self::$load_via = $load_via;
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config::save_value('translation_load_via', self::$load_via, 'phpgwapi');
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//error_log(__METHOD__."() load_via set from tree-wide cache to ".array2string(self::$load_via));
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}
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// if not check our config for load-via information
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elseif (isset($GLOBALS['egw_info']['server']['translation_load_via']))
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{
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self::$load_via = $GLOBALS['egw_info']['server']['translation_load_via'];
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// if different from tree-wide value, update that
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if ($GLOBALS['egw_info']['server']['translation_load_via'] != $load_via)
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{
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egw_cache::setTree(__CLASS__, 'load_via', self::$load_via);
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}
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//error_log(__METHOD__."() load_via set from config to ".array2string(self::$load_via));
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}
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if ($load_translations)
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{
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self::$lang_arr = self::$loaded_apps = array();
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if ($GLOBALS['egw_info']['user']['preferences']['common']['lang'])
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{
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self::$userlang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
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}
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$apps = array('common');
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// for eTemplate apps, load etemplate before app itself (allowing app to overwrite etemplate translations)
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if (class_exists('etemplate', false)) $apps[] = 'etemplate';
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if ($GLOBALS['egw_info']['flags']['currentapp']) $apps[] = $GLOBALS['egw_info']['flags']['currentapp'];
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// load instance specific translations last, so they can overwrite everything
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$apps[] = 'custom';
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self::add_app($apps);
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if (!count(self::$lang_arr))
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{
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self::$userlang = 'en';
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self::add_app($apps);
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}
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}
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}
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/**
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* translates a phrase and evtl. substitute some variables
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*
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* @param string $key phrase to translate, may contain placeholders %N (N=1,2,...) for vars
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* @param array/boolean $vars=false vars to replace the placeholders, or false for none
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* @param string $not_found='*' what to add to not found phrases, default '*'
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* @return string with translation
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*/
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static function translate($key, $vars=false, $not_found='*' )
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{
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if (!self::$lang_arr)
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{
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self::init();
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}
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$ret = $key; // save key if we dont find a translation
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if ($not_found && self::$markuntranslated) $ret .= $not_found;
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if (isset(self::$lang_arr[$key]))
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{
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$ret = self::$lang_arr[$key];
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}
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else
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{
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$new_key = strtolower($key);
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if (isset(self::$lang_arr[$new_key]))
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{
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$ret = self::$lang_arr[$new_key];
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}
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}
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if (is_array($vars) && count($vars))
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{
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if (count($vars) > 1)
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{
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static $placeholders = array('%3','%2','%1','|%2|','|%3|','%4','%5','%6','%7','%8','%9','%10');
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// to cope with $vars[0] containing '%2' (eg. an urlencoded path like a referer),
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// we first replace '%2' in $ret with '|%2|' and then use that as 2. placeholder
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// we do that for %3 as well, ...
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$vars = array_merge(array('|%3|','|%2|'),$vars); // push '|%2|' (and such) as first replacement on $vars
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$ret = str_replace($placeholders,$vars,$ret);
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}
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else
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{
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$ret = str_replace('%1',$vars[0],$ret);
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}
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}
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return $ret;
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}
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/**
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* Adds translations for (multiple) application(s)
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*
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* By default the translations are read from the tree-wide cache
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*
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* @param string|array $apps name(s) of application(s) to add (or 'common' for the general translations)
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* if multiple names given, they are requested in one request from cache and loaded in given order
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* @param string $lang=false 2 or 5 char lang-code or false for the users language
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*/
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static function add_app($apps, $lang=null)
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{
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//$start = microtime(true);
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if (!$lang) $lang = self::$userlang;
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$tree_level = $instance_level = array();
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$apps = (array)$apps;
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foreach($apps as $key => $app)
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{
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if (!isset(self::$loaded_apps[$app]) || self::$loaded_apps[$app] != $lang && $app != 'common')
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{
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if (in_array($app, self::$instance_specific_translations))
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{
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$instance_level[] = $app.':'.($app == 'custom' ? 'en' : $lang);
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}
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else
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{
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$tree_level[] = $app.':'.$lang;
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}
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}
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else
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{
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unset($apps[$key]);
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}
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}
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// load all translations from cache at once
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if ($tree_level) $tree_level = egw_cache::getTree(__CLASS__, $tree_level);
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if ($instance_level) $instance_level = egw_cache::getInstance(__CLASS__, $instance_level);
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// merging loaded translations together
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foreach((array)$apps as $app)
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{
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$l = $app == 'custom' ? 'en' : $lang;
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if (isset($tree_level[$app.':'.$l]))
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{
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$loaded =& $tree_level[$app.':'.$l];
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}
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elseif (isset($instance_level[$app.':'.$l]))
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{
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$loaded =& $instance_level[$app.':'.$l];
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}
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else
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{
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if (($instance_specific = in_array($app, self::$instance_specific_translations)))
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{
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$loaded =& self::load_app($app, $l);
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}
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else
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{
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$loaded =& self::load_app_files($app, $l);
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}
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//error_log(__METHOD__."('$app', '$lang') instance_specific=$instance_specific, load_app(_files)() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
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if ($loaded || $instance_specific)
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{
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$ok=egw_cache::setCache($instance_specific ? egw_cache::INSTANCE : egw_cache::TREE,
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__CLASS__, $app.':'.$l, $loaded);
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//error_log(__METHOD__."('$app', '$lang') caching now ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded))." egw_cache::setCache() returned ".array2string($ok));
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}
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}
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if ($loaded) self::$lang_arr = array_merge(self::$lang_arr, $loaded);
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self::$loaded_apps[$app] = $l;
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}
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//error_log(__METHOD__.'('.array2string($apps).", '$lang') took ".(1000*(microtime(true)-$start))." ms, loaded ".count($loaded)." phrases -> total=".count(self::$lang_arr));//.": ".function_backtrace());
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}
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/**
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* Loads translations for an application from the database or direct from the lang-file for setup
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*
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* Never use directly, use add_app(), which employes caching (it has to be public, to act as callback for the cache!).
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*
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* @param string $app name of the application to add (or 'common' for the general translations)
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* @param string $lang=false 2 or 5 char lang-code or false for the users language
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* @return array the loaded strings
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*/
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static function &load_app($app,$lang)
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{
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//$start = microtime(true);
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if (is_null(self::$db)) self::init(false);
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$loaded = array();
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foreach(self::$db->select(self::LANG_TABLE,'message_id,content',array(
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'lang' => $lang,
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'app_name' => $app,
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),__LINE__,__FILE__) as $row)
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{
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$loaded[strtolower($row['message_id'])] = $row['content'];
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}
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//error_log(__METHOD__."($app,$lang) took ".(1000*(microtime(true)-$start))." ms to load ".count($loaded)." phrases");
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return $loaded;
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}
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/**
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* How to load translations for a given app
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*
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* Translations for common, preferences or admin are in spread over all applications.
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* API has translations for some pseudo-apps.
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*
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* @var array app => app(s) or string 'all-apps'
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*/
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static $load_via = array(
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'common' => 'all-apps',
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'preferences' => 'all-apps',
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'admin' => 'all-apps',
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'jscalendar' => 'phpgwapi',
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'sitemgr-link' => 'sitemgr',
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'groupdav' => 'phpgwapi',
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'login' => 'phpgwapi',
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);
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/**
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* Check if cached translations are up to date or invalidate cache if not
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*
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* Called via login.php for each interactive login.
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*/
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static function check_invalidate_cache()
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{
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$lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
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$apps = array_keys($GLOBALS['egw_info']['user']['apps']);
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$apps[] = 'phpgwapi'; // check the api too
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foreach($apps as $app)
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{
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$file = self::get_lang_file($app, $lang);
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// check if file has changed compared to what's cached
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if (file_exists($file) && egw_cache::getTree(__CLASS__, $file) != filectime($file))
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{
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//error_log(__METHOD__."() $file modified");
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self::invalidate_lang_file($app, $lang);
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}
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}
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}
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/**
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* Invalidate cache for lang-file of $app and $lang
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*
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* @param string $app
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* @param string $lang
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*/
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static function invalidate_lang_file($app, $lang)
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{
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//error_log(__METHOD__."('$app', '$lang') invalidate translations $app:$lang");
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egw_cache::unsetTree(__CLASS__, $app.':'.$lang);
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foreach(self::$load_via as $load => $via)
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{
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//error_log("load_via[load='$load'] = via = ".array2string($via));
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if ($via === 'all-apps' || in_array($app, (array)$via))
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{
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//error_log(__METHOD__."('$app', '$lang') additional invalidate translations $load:$lang");
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egw_cache::unsetTree(__CLASS__, $load.':'.$lang);
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}
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}
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}
|
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|
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/**
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|
* Loads translations for an application direct from the lang-file(s)
|
|
*
|
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* 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 $lang=false 2 or 5 char lang-code or false for the users language
|
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* @return array the loaded strings
|
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*/
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static function &load_app_files($app,$lang)
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{
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$start = microtime(true);
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$load_app = isset(self::$load_via[$app]) ? self::$load_via[$app] : $app;
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$loaded = array();
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foreach($load_app == 'all-apps' ? scandir(EGW_SERVER_ROOT) : (array)$load_app as $app_dir)
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{
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if (!is_dir(EGW_SERVER_ROOT.'/'.$app_dir) ||
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!@file_exists($file=self::get_lang_file($app_dir, $lang)) ||
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!($f = fopen($file, 'r')))
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{
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continue;
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}
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// store ctime of file we parse
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egw_cache::setTree(__CLASS__, $file, filectime($file));
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$line_nr = 0;
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while(($line = fgetcsv($f, 1024, "\t")))
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{
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++$line_nr;
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if (count($line) != 4) continue;
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list($l_id,$l_app,$l_lang,$l_translation) = $line;
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if ($l_lang != $lang) continue;
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if ($l_app != $app)
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{
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// check if $l_app contained in file in $app_dir is mentioned in $load_via
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if ($l_app != $app_dir && (!isset(self::$load_via[$l_app]) ||
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!array_intersect((array)self::$load_via[$l_app], array('all-apps', $app_dir))))
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{
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if (!in_array($l_app,array('common','login')) && !file_exists(EGW_SERVER_ROOT.'/'.$l_app))
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{
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error_log(__METHOD__."() lang file $file contains invalid app '$l_app' on line $line_nr --> ignored");
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continue;
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}
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// if not update load_via accordingly and store it as config
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//error_log(__METHOD__."() load_via does not contain $l_app => $app_dir");
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if (!isset(self::$load_via[$l_app])) self::$load_via[$l_app] = array($l_app);
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if (!is_array(self::$load_via[$l_app])) self::$load_via[$l_app] = array(self::$load_via[$l_app]);
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self::$load_via[$l_app][] = $app_dir;
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config::save_value('translation_load_via', self::$load_via, 'phpgwapi');
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egw_cache::setTree(__CLASS__, 'load_via', self::$load_via);
|
|
}
|
|
continue;
|
|
}
|
|
$loaded[$l_id] = $l_translation;
|
|
}
|
|
fclose($f);
|
|
}
|
|
//error_log(__METHOD__."('$app', '$lang') returning ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded))." in ".number_format(microtime(true)-$start,3)." secs".' '.function_backtrace());
|
|
return $loaded;
|
|
}
|
|
|
|
/**
|
|
* Cached languages
|
|
*
|
|
* @var array
|
|
*/
|
|
static $langs;
|
|
|
|
/**
|
|
* Returns a list of available languages / translations
|
|
*
|
|
* @param boolean $translate=true translate language-names
|
|
* @param boolean $force_read=false force a re-read of the languages
|
|
* @return array with lang-code => descriptiv lang-name pairs
|
|
*/
|
|
static function get_available_langs($translate=true, $force_read=false)
|
|
{
|
|
if (!is_array(self::$langs) || $force_read)
|
|
{
|
|
if (!($f = fopen($file=EGW_SERVER_ROOT.'/setup/lang/languages','rb')))
|
|
{
|
|
throw new egw_exception("List of available languages (%1) missing!", $file);
|
|
}
|
|
while(($line = fgetcsv($f, null, "\t")))
|
|
{
|
|
self::$langs[$line[0]] = $line[1];
|
|
}
|
|
fclose($f);
|
|
|
|
if ($translate)
|
|
{
|
|
if (is_null(self::$db)) self::init(false);
|
|
|
|
foreach(self::$langs as $lang => $name)
|
|
{
|
|
self::$langs[$lang] = self::translate($name,False,'');
|
|
}
|
|
}
|
|
uasort(self::$langs,'strcasecmp');
|
|
}
|
|
return self::$langs;
|
|
}
|
|
|
|
/**
|
|
* Returns a list of installed languages / translations
|
|
*
|
|
* Translations no longer need to be installed, therefore all available translations are returned here.
|
|
*
|
|
* @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)
|
|
{
|
|
return self::get_available_langs($force_read=false);
|
|
}
|
|
|
|
/**
|
|
* 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 available ones, then 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(); // available languages
|
|
$availible = "('".implode("','",array_keys($languages))."')";
|
|
|
|
// 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,$lang)
|
|
{
|
|
return EGW_SERVER_ROOT.'/'.$app.'/'.self::LANG_DIR.'/'.self::LANGFILE_PREFIX.$lang.self::LANGFILE_EXTENSION;
|
|
}
|
|
|
|
/**
|
|
* 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('Unicode').' (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)',
|
|
'cp850' => lang('DOS International').' (CP850)',
|
|
);
|
|
}
|
|
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 'windows-1252':
|
|
case 'mswin1252':
|
|
if (function_exists('iconv'))
|
|
{
|
|
$prefer_iconv = true;
|
|
break;
|
|
}
|
|
// fall throught to remap to iso-8859-1
|
|
case 'us-ascii':
|
|
case 'macroman':
|
|
case 'iso8859-1':
|
|
case 'windows-1258':
|
|
$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':
|
|
case 'windows-1256':
|
|
$prefer_iconv = true;
|
|
break;
|
|
}
|
|
if (!$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;
|
|
}
|
|
|
|
/**
|
|
* 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',$where,__LINE__,__FILE__)->fetchColumn();
|
|
}
|
|
|
|
/**
|
|
* detect_encoding - try to detect the encoding
|
|
* only to be used if the string in question has no structure that determines his encoding
|
|
* @param string - to be evaluated
|
|
* @return string - encoding
|
|
*/
|
|
static function detect_encoding($string) {
|
|
static $list = array('utf-8', 'iso-8859-1', 'windows-1251'); // list may be extended
|
|
if (function_exists('iconv'))
|
|
{
|
|
foreach ($list as $item) {
|
|
$sample = iconv($item, $item, $string);
|
|
if (md5($sample) == md5($string))
|
|
return $item;
|
|
}
|
|
}
|
|
return self::$mbstring ? strtolower(mb_detect_encoding($string)) : 'iso-8859-1'; // we choose to return iso-8859-1 as default
|
|
}
|
|
|
|
/**
|
|
* 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|\x1a)@',
|
|
'@(\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') $element->charset = self::detect_encoding($element->text);
|
|
if ($element->charset != 'x-unknown')
|
|
{
|
|
if( strtoupper($element->charset) != 'UTF-8') $element->text = preg_replace($sar,$rar,$element->text);
|
|
// check if there is a possible nested encoding; make sure that the inputstring and the decoded result are different to avoid loops
|
|
if(preg_match('/\?=.+=\?/', $element->text) && $element->text != $_string)
|
|
{
|
|
$element->text = self::decodeMailHeader($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("/(<|<a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|>)*/ie","'$2 '", $text);
|
|
$text = preg_replace('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>~si','$2 ',$text);
|
|
$text = preg_replace("/(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))( |\s)*(<\/a>)*( |\s)*(>|>)*/ie","'$1 '", $text);
|
|
$text = preg_replace("/(<|<)*(([\w\.,-.,_.,0-9.]+)@([\w\.,-.,_.,0-9.]+))(>|>)*/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);
|
|
$singleton = false;
|
|
if ($endtag=='/>') $singleton =true;
|
|
if ($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 ($_body) {
|
|
if ($singleton)
|
|
{
|
|
//$_body = preg_replace('~<'.$tag.'[^>].*? '.$endtag.'~simU','',$_body);
|
|
$_body = preg_replace('~<?'.$tag.'[^>].* '.$endtag.'~simU','',$_body); // we are in Ungreedy mode, so we expect * to be ungreedy without specifying ?
|
|
}
|
|
else
|
|
{
|
|
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>";
|
|
if (stripos($_html,'style')!==false) self::replaceTagsCompletley($_html,'style'); // clean out empty or pagewide style definitions / left over tags
|
|
if (stripos($_html,'head')!==false) self::replaceTagsCompletley($_html,'head'); // Strip out stuff in head
|
|
if (stripos($_html,'![if')!==false && stripos($_html,'<![endif]>')!==false) self::replaceTagsCompletley($_html,'!\[if','<!\[endif\]>',false); // Strip out stuff in ifs
|
|
if (stripos($_html,'!--[if')!==false && stripos($_html,'<![endif]-->')!==false) self::replaceTagsCompletley($_html,'!--\[if','<!\[endif\]-->',false); // Strip out stuff in ifs
|
|
$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
|
|
'@'@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);
|
|
}
|
|
}
|
|
}
|