Subversion-Projekte lars-tiefland.ci

<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014 - 2016, British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package     CodeIgniter
 * @author      EllisLab Dev Team
 * @copyright   Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright   Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
 * @license     http://opensource.org/licenses/MIT      MIT License
 * @link        https://codeigniter.com
 * @since       Version 1.0.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * Language Class
 *
 * @package             CodeIgniter
 * @subpackage  Libraries
 * @category    Language
 * @author              EllisLab Dev Team
 * @link                https://codeigniter.com/user_guide/libraries/language.html
 */
class CI_Lang {

        /**
         * List of translations
         *
         * @var array
         */
        public $language =      array();

        /**
         * List of loaded language files
         *
         * @var array
         */
        public $is_loaded =     array();

        /**
         * Class constructor
         *
         * @return      void
         */
        public function __construct()
        {
                log_message('info', 'Language Class Initialized');
        }

        // --------------------------------------------------------------------

        /**
         * Load a language file
         *
         * @param       mixed   $langfile       Language file name
         * @param       string  $idiom          Language name (english, etc.)
         * @param       bool    $return         Whether to return the loaded array of translations
         * @param       bool    $add_suffix     Whether to add suffix to $langfile
         * @param       string  $alt_path       Alternative path to look for the language file
         *
         * @return      void|string[]   Array containing translations, if $return is set to TRUE
         */
        public function load($langfile, $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
        {
                if (is_array($langfile))
                {
                        foreach ($langfile as $value)
                        {
                                $this->load($value, $idiom, $return, $add_suffix, $alt_path);
                        }

                        return;
                }

                $langfile = str_replace('.php', '', $langfile);

                if ($add_suffix === TRUE)
                {
                        $langfile = preg_replace('/_lang$/', '', $langfile).'_lang';
                }

                $langfile .= '.php';

                if (empty($idiom) OR ! preg_match('/^[a-z_-]+$/i', $idiom))
                {
                        $config =& get_config();
                        $idiom = empty($config['language']) ? 'english' : $config['language'];
                }

                if ($return === FALSE && isset($this->is_loaded[$langfile]) && $this->is_loaded[$langfile] === $idiom)
                {
                        return;
                }

                // Load the base file, so any others found can override it
                $basepath = BASEPATH.'language/'.$idiom.'/'.$langfile;
                if (($found = file_exists($basepath)) === TRUE)
                {
                        include($basepath);
                }

                // Do we have an alternative path to look in?
                if ($alt_path !== '')
                {
                        $alt_path .= 'language/'.$idiom.'/'.$langfile;
                        if (file_exists($alt_path))
                        {
                                include($alt_path);
                                $found = TRUE;
                        }
                }
                else
                {
                        foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
                        {
                                $package_path .= 'language/'.$idiom.'/'.$langfile;
                                if ($basepath !== $package_path && file_exists($package_path))
                                {
                                        include($package_path);
                                        $found = TRUE;
                                        break;
                                }
                        }
                }

                if ($found !== TRUE)
                {
                        show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
                }

                if ( ! isset($lang) OR ! is_array($lang))
                {
                        log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);

                        if ($return === TRUE)
                        {
                                return array();
                        }
                        return;
                }

                if ($return === TRUE)
                {
                        return $lang;
                }

                $this->is_loaded[$langfile] = $idiom;
                $this->language = array_merge($this->language, $lang);

                log_message('info', 'Language file loaded: language/'.$idiom.'/'.$langfile);
                return TRUE;
        }

        // --------------------------------------------------------------------

        /**
         * Language line
         *
         * Fetches a single line of text from the language array
         *
         * @param       string  $line           Language line key
         * @param       bool    $log_errors     Whether to log an error message if the line is not found
         * @return      string  Translation
         */
        public function line($line, $log_errors = TRUE)
        {
                $value = isset($this->language[$line]) ? $this->language[$line] : FALSE;

                // Because killer robots like unicorns!
                if ($value === FALSE && $log_errors === TRUE)
                {
                        log_message('error', 'Could not find the language line "'.$line.'"');
                }

                return $value;
        }

}