Revert "Language names via intl library."

library/intl/src/LocaleResolverTrait.php

@@ -1,89 +0,0 @@
-<?php
-
-namespace CommerceGuys\Intl;
-
-use CommerceGuys\Intl\Exception\UnknownLocaleException;
-
-trait LocaleResolverTrait
-{
-    /**
-     * The path where per-locale definitions are stored.
-     */
-    protected $definitionPath;
-
-    /**
-     * Determines which locale should be used for loading definitions.
-     *
-     * If the "bs-Cyrl-BA" locale is requested, with an "en" fallback,
-     * the system will try to find the definitions for:
-     * 1) bs-Cyrl-BA
-     * 2) bs-Cyrl
-     * 3) bs
-     * 4) en
-     * The first locale for which a definition file is found, wins.
-     * Otherwise, an exception is thrown.
-     *
-     * @param string $locale         The desired locale (i.e. fr-FR).
-     * @param string $fallbackLocale A fallback locale (i.e "en").
-     *
-     * @return string
-     *
-     * @throws UnknownLocaleException
-     */
-    protected function resolveLocale($locale = null, $fallbackLocale = null)
-    {
-        if (is_null($locale)) {
-            // Use the default locale if none was provided.
-            // @todo Provide a way to override this.
-            $locale = 'en';
-        }
-        // Normalize the locale. Allows en_US to work the same as en-US, etc.
-        $locale = str_replace('_', '-', $locale);
-        // List all possible variants (i.e. en-US gives "en-US" and "en").
-        $localeVariants = $this->getLocaleVariants($locale);
-        // A fallback locale was provided, add it to the end of the chain.
-        if (isset($fallbackLocale)) {
-            $localeVariants[] = $fallbackLocale;
-        }
-
-        // Try to resolve a locale by finding a matching definition file.
-        $resolvedLocale = null;
-        foreach ($localeVariants as $localeVariant) {
-            $path = $this->definitionPath . $localeVariant . '.json';
-            if (file_exists($path)) {
-                $resolvedLocale = $localeVariant;
-                break;
-            }
-        }
-        // No locale could be resolved, stop here.
-        if (!$resolvedLocale) {
-            throw new UnknownLocaleException($locale);
-        }
-
-        return $resolvedLocale;
-    }
-
-    /**
-     * Returns all variants of a locale.
-     *
-     * For example, "bs-Cyrl-BA" has the following variants:
-     * 1) bs-Cyrl-BA
-     * 2) bs-Cyrl
-     * 3) bs
-     *
-     * @param string $locale The locale (i.e. fr-FR).
-     *
-     * @return array An array of all variants of a locale.
-     */
-    protected function getLocaleVariants($locale)
-    {
-        $localeVariants = array();
-        $localeParts = explode('-', $locale);
-        while (!empty($localeParts)) {
-            $localeVariants[] = implode('-', $localeParts);
-            array_pop($localeParts);
-        }
-
-        return $localeVariants;
-    }
-}