1 files changed, 103 insertions, 0 deletions
diff --git a/system/libraries/I18n.php b/system/libraries/I18n.php
new file mode 100644
index 00000000..96752e51
--- /dev/null
+++ b/system/libraries/I18n.php
@@ -0,0 +1,103 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Kohana I18N System
+ *
+ * $Id: I18n.php 4679 2009-11-10 01:45:52Z isaiah $
+ *
+ * @package    Cache
+ * @author     Kohana Team
+ * @copyright  (c) 2007-2009 Kohana Team
+ * @license    http://kohanaphp.com/license
+ */
+
+/**
+ * Loads the configured driver and validates it.
+ *
+ * @param   string  Text to output
+ * @param   array   Key/Value pairs of arguments to replace in the string
+ * @return  string  Translated text
+ */
+function __($string, $args = NULL)
+{
+	// KOHANA_LOCALE is the default locale, in which all of Kohana's __() calls are written in
+	if (I18n::get_locale() != Kohana::LOCALE)
+	{
+		$string = I18n::get_text($string);
+	}
+
+	if ($args === NULL)
+		return $string;
+
+	return strtr($string, $args);
+}
+
+class I18n_Core
+{
+	protected static $locale;
+	// All the translations will be cached in here, after the first call of get_text()
+	protected static $translations = array();
+
+	public static function set_locale($locale)
+	{
+		// Reset the translations array
+		I18n::$translations = array();
+
+		I18n::$locale = $locale;
+	}
+
+
+	/**
+	 *
+	 * Returns the locale.
+	 * If $ext is true, the UTF8 extension gets returned as well, otherwise, just the language code.
+	 * Defaults to true.
+	 *
+	 * @return 							The locale
+	 * @param boolean $ext[optional]	Get the Extension?
+	 */
+	public static function get_locale($ext = true)
+	{
+		if($ext)
+			return I18n::$locale;
+		else
+			return arr::get(explode('.', I18n::$locale), 0);
+	}
+
+
+	/**
+	 *
+	 * Translates $string into language I18n::$locale and caches all found translations on the first call
+	 *
+	 * @return                 The translated String
+	 * @param string $string   The String to translate
+	 */
+	public static function get_text($string)
+	{
+		if ( ! I18n::$translations)
+		{
+			$locale = explode('_', I18n::get_locale(FALSE));
+
+			// Get the translation files
+			$translation_files = Kohana::find_file('i18n', $locale[0]);
+
+			if($local_translation_files = Kohana::find_file('i18n', $locale[0].'/'.$locale[1]))
+				$translation_files = array_merge($translation_files, $local_translation_files);
+
+			if ($translation_files)
+			{
+				// Merge the translations
+				foreach ($translation_files as $file)
+				{
+					include $file;
+					I18n::$translations = array_merge(I18n::$translations, $translations);
+				}
+			}
+		}
+
+		if (isset(I18n::$translations[$string]))
+			return I18n::$translations[$string];
+		else
+			return $string;
+	}
+
+}