<?php
/*********************************************************************
* AUTHOR: Clemens Schwaighofer
* CREATED: 2004/11/18
* VERSION: 1.0.0
* RELEASED LICENSE: GNU GPL 3
* SHORT DESCRIPTION:
* 	init class for gettext. Original was just a function & var setting include for wordpress.
*	I changed that to a class to be more portable with my style of coding
*
* PUBLIC VARIABLES
*
* PRIVATE VARIABLES
*
* PUBLIC METHODS
*	__:	returns string (translated or original if not found)
*	__e: echos out string (translated or original if not found)
*	__ngettext:	should return plural. never tested this.
*
*   PRIVATE METHODS
*
* HISTORY:
* 2005/10/17 (cs) made an on the fly switch method (reload of lang)
*********************************************************************/

namespace CoreLibs\Language;

use \CoreLibs\Language\Core\FileReader;
use \CoreLibs\Language\Core\GetTextReader;

class L10n extends \CoreLibs\Basic
{
	private $lang = '';
	private $mofile = '';
	private $input;
	private $l10n;

	public function __construct($lang = '', $path = DEFAULT_TEMPLATE)
	{
		if (!$lang) {
			$this->lang = 'en';
		} else {
			$this->lang = $lang;
		}

		if (USE_DEPRECATED_TEMPLATE_FOLDERS === true) {
			if (is_dir(LAYOUT.$path.LANG)) {
				$path = LAYOUT.$path.LANG;
			} elseif (!is_dir($path)) {
				$path = '';
			}
		} else {
			// override path check
			if (!is_dir($path)) {
				$path = INCLUDES.LANG.CONTENT_PATH;
			}
		}

		$this->mofile = $path.$this->lang.".mo";

		// check if get a readable mofile
		if (is_readable($this->mofile)) {
			$this->input = new FileReader($this->mofile);
		} else {
			$this->input = false;
		}
		$this->l10n = new GetTextReader($this->input);
	}

	// reloads the mofile, if the location of the lang file changes
	public function l10nReloadMOfile($lang, $path = DEFAULT_TEMPLATE)
	{
		$success = false;
		$old_mofile = $this->mofile;
		$old_lang = $this->lang;

		$this->lang = $lang;

		if (USE_DEPRECATED_TEMPLATE_FOLDERS === true) {
			if (is_dir(LAYOUT.$path.LANG)) {
				$path = LAYOUT.$path.LANG;
			} elseif (!is_dir($path)) {
				$path = '';
			}
		} else {
			// override path check
			if (!is_dir($path)) {
				$path = INCLUDES.LANG.CONTENT_PATH;
			}
		}

		$this->mofile = $path.$this->lang.".mo";

		// check if get a readable mofile
		if (is_readable($this->mofile)) {
			$this->input = new FileReader($this->mofile);
			$this->l10n = new GetTextReader($this->input);
			// we successfully loaded
			$success = true;
		} else {
			// else fall back to the old ones
			$this->mofile = $old_mofile;
			$this->lang = $old_lang;
		}
		return $success;
	}

	public function __($text)
	{
		return $this->l10n->translate($text);
	}

	public function __e($text)
	{
		echo $this->l10n->translate($text);
	}

	// Return the plural form.
	public function __ngettext($single, $plural, $number)
	{
		return $this->l10n->ngettext($single, $plural, $number);
	}

	public function __getLang()
	{
		return $this->lang;
	}

	public function __getMoFile()
	{
		return $this->mofile;
	}
}

// __END__