Classe para carregamento de arquivos de idioma.

Lang.class.php

<?php
/**
 * Class Lang
 *
 * An open source application
 *
 * @package		Neogas
 * @category    Classes
 * @author		Ramon Barros
 * @copyright	Copyright (c) 2011, Ezoom Ltda.
 * @license		http://www.ramon-barros.com/
 * @link		http://public.ramon-barros.com/
 * @since		Version 1.6.12
 * @filesource  Lang.class.php
 */
include('Parser.class.php');

/**
 * Lang extends CI_Parser
 *
 * @package		Lang Application
 * @subpackage	Libraries
 * @category	Parser
 * @author		Ramon Barros
 * @link		http://public.ramon-barros.com/name
 */
 class Lang extends CI_Parser
 {
	private $language;
	private $default;
	var $languages	= array();
	var $is_loaded = array();
	var $values;
	var $path;
	var $modules_path;
	
	/**
	 *  Construct Function
	 *
	 * Constroi e salvas as configurações da linguagem do site
	 * 
	 * @access	public
	 */
	public function __construct()
	{
		$this->language = &$_SESSION['lang']; 
		$this->path = 'language/'.$this->language."/";
		
		$this->is_loaded["flash"]["banner_base"] = 'flash/banner_base_'.$this->language.'.swf?industrial=pt/Solucoes_Aplicacoes/Gas_Natural_Industrial&residencial=pt/Solucoes_Aplicacoes/Gas_Natural_residencial&veicular=pt/Solucoes_Aplicacoes/Gas_Natural_veicularTeste&comercial=pt/Solucoes_Aplicacoes/Gas_Natural_Comercial&especiais=pt/Solucoes_Aplicacoes/Gas_Natural_Especial';
		$this->is_loaded["flash"]["player-neogas-home"] = 'flash/player-neogas-home.swf';
		$this->is_loaded["flash"]["neogas_mundo"] = 'language/'.$this->language.'/flash/neogas_mundo.swf';
		$this->is_loaded["usercontrols"]["topo"] = 'modules/usercontrols/topo.php';
		$this->is_loaded["usercontrols"]["rodape"] = 'modules/usercontrols/rodape.php';
		$this->is_loaded["usercontrols"]["menuLateral"] = 'modules/usercontrols/menuLateral.php';
		$this->is_loaded["usercontrols"]["menuLateralBusca"] = 'modules/usercontrols/menuLateralBusca.php';
		$this->is_loaded["usercontrols"]["menuLateralAssistenciaTecnica"] = 'modules/usercontrols/menuLateralAssistenciaTecnica.php';
		$this->is_loaded["usercontrols"]["menuLateralNoticias"] = 'modules/usercontrols/menuLateralNoticias.php';
		$this->is_loaded["usercontrols"]["menuLateralConsultoriaTecnica"] = 'modules/usercontrols/menuLateralConsultoriaTecnica.php';
		$this->is_loaded["usercontrols"]["menuLateralEmpresa"] = 'modules/usercontrols/menuLateralEmpresa.php';
		$this->is_loaded["usercontrols"]["menuLateralSolucoesAplicacoes"] = 'modules/usercontrols/menuLateralSolucoesAplicacoes.php';
		$this->is_loaded["usercontrols"]["menuLateralProdutosServicos"] = 'modules/usercontrols/menuLateralProdutosServicos.php';
		$this->is_loaded["usercontrols"]["menuLateralFaleConosco"] = 'modules/usercontrols/menuLateralFaleConosco.php';
		$this->is_loaded["usercontrols"]["bread"] = 'modules/usercontrols/bread.php';
		$this->is_loaded["usercontrols"]["compartilhe"] = 'modules/usercontrols/compartilhe.php';
	}
	
	/**
	 * Set the accepted languages
	 *
	 * @access	private
	 * @return	void
	 */
	private function _set_languages()
	{
		if ((count($this->languages) == 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '')
		{
			$languages = preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])));

			$this->languages = explode(',', $languages);
		}

		if (count($this->languages) == 0)
		{
			$this->languages = array('Undefined');
		}
	}
	
	/**
	 * Get the accepted languages
	 *
	 * @access	public
	 * @return	array
	 */
	public function languages()
	{
		if (count($this->languages) == 0)
		{
			$this->_set_languages();
		}

		return $this->languages;
	}
	
	
	/**
	 * Load a language field
	 *
	 * @access	public
	 * @param	converts the fields in the selected language
	 * @param	string	the language (pt, en, es, etc)
	 * @return	mixed
	 */
	public function fields($fields)
	{
		if(is_array($fields)){
			foreach($fields as $key=>$field)
			{
				if(preg_match('/('.$this->language.')/',$key))
				{
					$this->values[str_replace('_'.$this->language,"",$key)]= $field;
				}else{
					$this->values[$key]= $field;
				}
			}
			return $this->values;
		}
	}

	/**
	 *  Parse a String
	 *
	 * Parses pseudo-variables contained in the specified string,
	 * replacing them with the data in the second param
	 *
	 * @access	public
	 * @param	string
	 * @param	array
	 * @return	string
	 */
	public function parserText($text,$data)
	{
		return $this->parse($text,$data);
	}

	/**
	 * Returns the current language
	 *
	 * @access	public
	 * @return	string
	 */
	public function get_lang()
	{
		return $this->language;
	}

	/**
	 * Converts url into an array
	 *
	 * @access	public
	 * @param	remove caracter
	 * @return	array
	 */
	public function queryString($remove='')
	{
		$result ='';
		$remove=array_flip(explode(',',$remove));
		parse_str($_SERVER['QUERY_STRING'],$queryStr);
		$queryStr=array_diff_key($queryStr,$remove);
		foreach($queryStr as $key=>$value){
			if(is_array($value)){
				unset($temp);
				foreach($value as $value2){$temp[]=$key."[]=".$value2;}
				$result[]=implode('/',$temp);
			}else{
				if(!preg_match('/(_view)/',$value))
				{
					$result[]=ucfirst($value); //str_replace('-','_',$value)
				}
			}//$result[]="$key=".$value;
		}
		if($result!='') { return implode('/',$result); }
	}
	
	/**
	 * Loads the language file for the language reported
	 *
	 * @access	public
	 * @param	string
	 * @param	string
	 * @param	bool
	 * @param	bool
	 * @param	string
	 * @return	mixed
	 */
	public function load($langfile = '', $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
	{
		$langfile = str_replace('.php', '', $langfile);

		if ($add_suffix == TRUE)
		{
			$langfile = str_replace('_lang.', '', $langfile).'_lang';
		}
	
		$langfile .= '.php';

		if (in_array($langfile, $this->is_loaded, TRUE))
		{
			return;
		}

		$config['language'] = $this->get_lang();

		if ($idiom == '')
		{
			$deft_lang = ( ! isset($config['language'])) ? 'en' : $config['language'];
			$idiom = ($deft_lang == '') ? 'en' : $deft_lang;
		}
		
		// Determine where the language file is and load it
		if ($alt_path != '' && file_exists($alt_path.'language/'.$idiom.'/'.$langfile))
		{
			include($alt_path.'language/'.$idiom.'/'.$langfile);
		}else{
			$found = FALSE;

			//foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
			//{
				$package_path = '';
				if (file_exists($package_path.'language/'.$idiom.'/'.$langfile))
				{
					include($package_path.'language/'.$idiom.'/'.$langfile);
					$found = TRUE;
					//break;
				}
			//}

			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'] = $langfile;
		$this->languages = array_merge($this->languages, $lang);
		unset($lang);

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

// END Lang Class

/* End of file Lang.class.php */
/* Location: ./path/subpackage/Lang.class.php */