/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Language Class
* Official user manual: http://codeigniter.org.cn/user_guide/libraries/language.html
* @package CodeIgniter
* @subpackage Libraries
* @category Language
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/language.html
*/
class CI_Lang {
/**
* List of translations
* Language pack list
* @var array
*/
var $language = array();
/**
* List of loaded language files
* List of loaded language packs
* @var array
*/
var $is_loaded = array();
/**
* Constructor
*
* @access public
*/
function __construct()
{
log_message('debug', "Language Class Initialized");
}
// --------------------------------------------------------------------
/**
* Load a language file
* Load language pack
* @access public
* @param mixed the name of the language file to be loaded. Can be an array
* * The language file to be loaded.
* @param string the language (english, etc.) The language to use
* @param bool return loaded array of translations Directly return the language pack array
* Do not add to $ this-& gt; is_loaded and $ this-& gt; language to
* @param bool add suffix to $langfile Whether to add a suffix to the file
* @param string alternative path to look for language file Custom path to language pack file
* @return mixed
*/
function load($langfile = '', $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
{
// langfile 文件的.php 后缀去掉
$langfile = str_replace('.php', '', $langfile);
// 判断需不需要添加后缀如果需要
// 将_lang. 去掉并再langfile后面添加_lang
if ($add_suffix == TRUE)
{
$langfile = str_replace('_lang.', '', $langfile).'_lang';
} }
// Add .php suffix to langfile
$langfile .= '.php';
// Determine whether the current file has been loaded
if (in_array($langfile, $this->is_loaded, TRUE))
{
return;
} }
// Get configuration file data
$config =& get_config();
// If the language to be used is empty
// Then we will get it from $config
if ($idiom == '')
{
$deft_lang = ( ! isset($config['language'])) ? 'english' : $config['language'];
$idiom = ($deft_lang == '') ? 'english' : $deft_lang;
} }
// Determine where the language file is and load it
// Find the language pack under the custom path and load it
if ($alt_path != '' && file_exists($alt_path.'language/'.$idiom.'/'.$langfile))
{
include($alt_path.'language/'.$idiom.'/'.$langfile);
} }
else
{
// If the custom path is not found, call get_instance()->load->get_package_paths(TRUE)
// Find
under the path path
$found = FALSE;
foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
if (file_exists($package_path.'language/'.$idiom.'/'.$langfile))
include($package_path.'language/'.$idiom.'/'.$langfile);
$found = TRUE;
break;
}
}
// If you haven't found it, you can only report an error
//
if ($found !== TRUE)
show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
}
} }
if ( ! isset($lang))
{
log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
return;
} }
if ($return == TRUE)
{
return $lang;
}
$this->is_loaded[] = $langfile;
$this->language = array_merge($this->language, $lang);
unset($lang);
log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Fetch a single line of text from the language array
* 获取一行文本
* @access public
* @param string $line the language line
* @return string
*/
function line($line = '')
{
/*
* $this->language 的样子
* $lang['error_email_missing'] = "You must submit an email address";
* $lang['error_url_missing'] = "You must submit a URL";
* $lang['error_username_missing'] = "You must submit a username";
*/
$value = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line];
// Because killer robots like unicorns!
if ($value === FALSE)
{
log_message('error', 'Could not find the language line "'.$line.'"');
}
return $value;
}
}
// END Language Class
/* End of file Lang.php */
/* Location: ./system/core/Lang.php */
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