symfony · igorw · Jan 25, 2011 · Jan 25, 2011 · Jan 25, 2011 · Jan 25, 2011
diff --git a/src/Symfony/Component/Locale/Locale.php b/src/Symfony/Component/Locale/Locale.php
@@ -11,8 +11,23 @@
 
 namespace Symfony\Component\Locale;
 
-class Locale extends \Locale
+class Locale
 {
+    const DEFAULT_LOCALE = null;
+
+    /** Locale method constants */
+    const ACTUAL_LOCALE = 0;
+    const VALID_LOCALE  = 1;
+
+    /** Language tags constants */
+    const LANG_TAG               = 'language';
+    const EXTLANG_TAG            = 'extlang';
+    const SCRIPT_TAG             = 'script';
+    const REGION_TAG             = 'region';
+    const VARIANT_TAG            = 'variant';
+    const GRANDFATHERED_LANG_TAG = 'grandfathered';
+    const PRIVATE_TAG            = 'private';
+
     /**
      * Caches the countries in different locales
      * @var array
@@ -164,4 +179,261 @@ public static function getLocales()
     {
         return array_keys(self::getDisplayLocales(self::getDefault()));
     }
-}
+
+    /**
+     * Returns the best available locale based on HTTP "Accept-Language" header according to RFC 2616
+     *
+     * @param  string $header     The string containing the "Accept-Language" header value
+     * @return string             The corresponding locale code
+     * @see    http://www.php.net/manual/en/locale.acceptfromhttp.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function acceptFromHttp($header)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::acceptFromHttp($header);
+    }
+
+    /**
+     * Returns a correctly ordered and delimited locale code
+     *
+     * @param  array   $subtags   A keyed array where the keys identify the particular locale code subtag
+     * @return string             The corresponding locale code
+     * @see    http://www.php.net/manual/en/locale.composelocale.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function composeLocale(array $subtags)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::composeLocale($subtags);
+    }
+
+    /**
+     * Checks if a language tag filter matches with locale
+     *
+     * @param  string   $langtag  The language tag to check
+     * @param  string   $locale   The language range to check against
+     * @return string             The corresponding locale code
+     * @see    http://www.php.net/manual/en/locale.filtermatches.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function filterMatches($langtag, $locale, $canonicalize = false)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::filterMatches($langtag, $locale, $canonicalize);
+    }
+
+    /**
+     * Returns the variants for the input locale
+     *
+     * @param  string   $locale   The locale to extract the variants from
+     * @return array              The locale variants
+     * @see    http://www.php.net/manual/en/locale.getallvariants.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getAllVariants($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getAllVariants($locale);
+    }
+
+    /**
+     * Returns the default locale
+     *
+     * @return string             The default locale code
+     * @see    http://www.php.net/manual/en/locale.getdefault.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getDefault()
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getDefault();
+    }
+
+    /**
+     * Returns the localized display name for the locale language
+     *
+     * @param  string  $locale    The locale code to return the display language from
+     * @param  string  $inLocale  Optional format locale code to use to display the language name
+     * @return string             The localized language display name
+     * @see    http://www.php.net/manual/en/locale.getdisplaylanguage.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getDisplayLanguage($locale, $inLocale = null)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getDisplayLanguage($locale, $inLocale);
+    }
+
+    /**
+     * Returns the localized display name for the locale
+     *
+     * @param  string  $locale    The locale code to return the display locale name from
+     * @param  string  $inLocale  Optional format locale code to use to display the locale name
+     * @return string             The localized locale display name
+     * @see    http://www.php.net/manual/en/locale.getdisplayname.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getDisplayName($locale, $inLocale = null)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getDisplayName($locale, $inLocale);
+    }
+
+    /**
+     * Returns the localized display name for the locale region
+     *
+     * @param  string  $locale    The locale code to return the display region from
+     * @param  string  $inLocale  Optional format locale code to use to display the region name
+     * @return string             The localized region display name
+     * @see    http://www.php.net/manual/en/locale.getdisplayregion.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getDisplayRegion($locale, $inLocale = null)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getDisplayRegion($locale, $inLocale);
+    }
+
+    /**
+     * Returns the localized display name for the locale script
+     *
+     * @param  string  $locale    The locale code to return the display scrit from
+     * @param  string  $inLocale  Optional format locale code to use to display the script name
+     * @return string             The localized script display name
+     * @see    http://www.php.net/manual/en/locale.getdisplayscript.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getDisplayScript($locale, $inLocale = null)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getDisplayScript($locale, $inLocale);
+    }
+
+    /**
+     * Returns the localized display name for the locale variant
+     *
+     * @param  string  $locale    The locale code to return the display variant from
+     * @param  string  $inLocale  Optional format locale code to use to display the variant name
+     * @return string             The localized variant display name
+     * @see    http://www.php.net/manual/en/locale.getdisplayvariant.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getDisplayVariant($locale, $inLocale = null)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getDisplayVariant($locale, $inLocale);
+    }
+
+    /**
+     * Returns the keywords for the locale
+     *
+     * @param  string  $locale    The locale code to extract the keywords from
+     * @return array              Associative array with the extracted variants
+     * @see    http://www.php.net/manual/en/locale.getkeywords.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getKeywords($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getKeywords($locale);
+    }
+
+    /**
+     * Returns the primary language for the locale
+     *
+     * @param  string  $locale    The locale code to extract the language code from
+     * @return string|null        The extracted language code or null in case of error
+     * @see    http://www.php.net/manual/en/locale.getprimarylanguage.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getPrimaryLanguage($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getPrimaryLanguage($locale);
+    }
+
+    /**
+     * Returns the region for the locale
+     *
+     * @param  string  $locale    The locale code to extract the region code from
+     * @return string|null        The extracted region code or null if not present
+     * @see    http://www.php.net/manual/en/locale.getregion.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getRegion($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getRegion($locale);
+    }
+
+    /**
+     * Returns the script for the locale
+     *
+     * @param  string  $locale    The locale code to extract the script code from
+     * @return string|null        The extracted script code or null if not present
+     * @see    http://www.php.net/manual/en/locale.getscript.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function getScript($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::getScript($locale);
+    }
+
+    /**
+     * Returns the closest language tag for the locale
+     *
+     * @param  array   $langtag       A list of the language tags to compare to locale
+     * @param  string  $locale        The locale to use as the language range when matching
+     * @param  bool    $canonicalize  If true, the arguments will be converted to canonical form before matching
+     * @param  string  $default       The locale to use if no match is found
+     * @see    http://www.php.net/manual/en/locale.lookup.php
+     * @throws RuntimeException       When the intl extension is not loaded
+     */
+    public static function lookup(array $langtag, $locale, $canonicalize = false, $default = null)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::lookup($langtag, $locale, $canonicalize, $default);
+    }
+
+    /**
+     * Returns an associative array of locale identifier subtags
+     *
+     * @param  string  $locale    The locale code to extract the subtag array from
+     * @return array              Associative arrat with the extracted subtags
+     * @see    http://www.php.net/manual/en/locale.parselocale.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function parseLocale($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::parseLocale($locale);
+    }
+
+    /**
+     * Sets the default runtime locale
+     *
+     * @param  string  $locale    The locale code
+     * @return bool               true on success or false on failure
+     * @see    http://www.php.net/manual/en/locale.parselocale.php
+     * @throws RuntimeException   When the intl extension is not loaded
+     */
+    public static function setDefault($locale)
+    {
+        self::assertIntlExtensionAvailability();
+        return \Locale::setDefault($locale);
+    }
+
+    /**
+     * Check if the intl extension is loaded.
+     *
+     * @throws RuntimeException  When the intl extension is not loaded
+     */
+    private static function assertIntlExtensionAvailability()
+    {
+        if (!extension_loaded('intl')) {
+            throw new \RuntimeException('The intl extension is not available.');
+        }
+    }
+}