Add a couple helpers to the resource class
[gitphp.git] / include / Resource.class.php
blob:a/include/Resource.class.php -> blob:b/include/Resource.class.php
--- a/include/Resource.class.php
+++ b/include/Resource.class.php
@@ -12,6 +12,8 @@
 require_once(GITPHP_BASEDIR . 'lib/php-gettext/streams.php');
 require_once(GITPHP_BASEDIR . 'lib/php-gettext/gettext.php');
 
+define('GITPHP_LOCALE_COOKIE', 'GitPHPLocale');
+
 /**
  * Resource
  *
@@ -84,6 +86,116 @@
 	}
 
 	/**
+	 * GetLocaleName
+	 *
+	 * Gets the current instantiated locale's name
+	 *
+	 * @access public
+	 * @static
+	 * @return string locale name
+	 */
+	public static function GetLocaleName()
+	{
+		return GitPHP_Resource::LocaleToName(self::$currentLocale);
+	}
+
+	/**
+	 * LocaleToName
+	 *
+	 * Given a locale, returns a human readable name
+	 *
+	 * @access public
+	 * @static
+	 * @param string $locale locale
+	 * return string name
+	 */
+	public static function LocaleToName($locale)
+	{
+		switch ($locale) {
+			case 'en_US':
+				return 'English';
+			case 'fr_FR':
+				return 'Français';
+			case 'zz_Debug':
+				return 'Gibberish';
+		}
+		return '';
+	}
+
+	/**
+	 * SupportedLocales
+	 *
+	 * Gets the list of supported locales and their languages
+	 *
+	 * @access public
+	 * @static
+	 * @return array list of locales mapped to languages
+	 */
+	public static function SupportedLocales()
+	{
+		$locales = array();
+
+		$locales['en_US'] = GitPHP_Resource::LocaleToName('en_US');
+
+		if ($dh = opendir(GITPHP_LOCALEDIR)) {
+			while (($file = readdir($dh)) !== false) {
+				$fullPath = GITPHP_LOCALEDIR . '/' . $file;
+				if ((strpos($file, '.') !== 0) && is_dir($fullPath) && is_file($fullPath . '/gitphp.mo')) {
+					if ($file == 'zz_Debug') {
+						$conf = GitPHP_Config::GetInstance();
+						if ($conf) {
+							if (!$conf->GetValue('debug', false)) {
+								continue;
+							}
+						}
+					}
+					$locales[$file] = GitPHP_Resource::LocaleToName($file);
+				}
+			}
+		}
+		
+		return $locales;
+	}
+
+	/**
+	 * FindPreferredLocale
+	 *
+	 * Given a list of preferred locales, try to find a matching supported locale
+	 *
+	 * @access public
+	 * @static
+	 * @param array locales array of locale preferences
+	 * @return string matching locale if found
+	 */
+	public static function FindPreferredLocale($locales)
+	{
+		if (count($locales) < 1) {
+			return '';
+		}
+
+		$supportedLocales = GitPHP_Resource::SupportedLocales();
+
+		for ($i = 0; $i < count($locales); ++$i) {
+			$locale = str_replace('-', '_', $locales[$i]);
+			$loclen = strlen($locale);
+
+			foreach ($supportedLocales as $l => $lang) {
+				/* 
+				 * using strncasecmp with length of the preferred
+				 * locale means we can match both full
+				 * language + country preference specifications
+				 * (en_US) as well as just language specifications
+				 * (en)
+				 */
+				if (strncasecmp($locale, $l, $loclen) === 0) {
+					return $l;
+				}
+			}
+		}
+		return '';
+	}
+
+	/**
 	 * Instantiate
 	 *
 	 * Instantiates the singleton instance

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