Merge pull request #15682 from nextcloud/enh/15675/lazy_l10n

Make the L10N loading lazy

lib/composer/composer/autoload_classmap.php

@@ -941,6 +941,7 @@ return array(
     'OC\\L10N\\L10NString' => $baseDir . '/lib/private/L10N/L10NString.php',
     'OC\\L10N\\LanguageIterator' => $baseDir . '/lib/private/L10N/LanguageIterator.php',
     'OC\\L10N\\LanguageNotFoundException' => $baseDir . '/lib/private/L10N/LanguageNotFoundException.php',
+    'OC\\L10N\\LazyL10N' => $baseDir . '/lib/private/L10N/LazyL10N.php',
     'OC\\LargeFileHelper' => $baseDir . '/lib/private/LargeFileHelper.php',
     'OC\\Lock\\AbstractLockingProvider' => $baseDir . '/lib/private/Lock/AbstractLockingProvider.php',
     'OC\\Lock\\DBLockingProvider' => $baseDir . '/lib/private/Lock/DBLockingProvider.php',

lib/composer/composer/autoload_static.php

@@ -971,6 +971,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\L10N\\L10NString' => __DIR__ . '/../../..' . '/lib/private/L10N/L10NString.php',
         'OC\\L10N\\LanguageIterator' => __DIR__ . '/../../..' . '/lib/private/L10N/LanguageIterator.php',
         'OC\\L10N\\LanguageNotFoundException' => __DIR__ . '/../../..' . '/lib/private/L10N/LanguageNotFoundException.php',
+        'OC\\L10N\\LazyL10N' => __DIR__ . '/../../..' . '/lib/private/L10N/LazyL10N.php',
         'OC\\LargeFileHelper' => __DIR__ . '/../../..' . '/lib/private/LargeFileHelper.php',
         'OC\\Lock\\AbstractLockingProvider' => __DIR__ . '/../../..' . '/lib/private/Lock/AbstractLockingProvider.php',
         'OC\\Lock\\DBLockingProvider' => __DIR__ . '/../../..' . '/lib/private/Lock/DBLockingProvider.php',

lib/private/L10N/Factory.php

@@ -108,37 +108,40 @@ class Factory implements IFactory {
 	 * @return \OCP\IL10N
 	 */
 	public function get($app, $lang = null, $locale = null) {
-		$app = \OC_App::cleanAppId($app);
+		return new LazyL10N(function() use ($app, $lang, $locale) {
-		if ($lang !== null) {
-			$lang = str_replace(array('\0', '/', '\\', '..'), '', (string) $lang);
-		}
 
-		$forceLang = $this->config->getSystemValue('force_language', false);
+			$app = \OC_App::cleanAppId($app);
-		if (is_string($forceLang)) {
+			if ($lang !== null) {
-			$lang = $forceLang;
+				$lang = str_replace(array('\0', '/', '\\', '..'), '', (string)$lang);
-		}
+			}
 
-		$forceLocale = $this->config->getSystemValue('force_locale', false);
+			$forceLang = $this->config->getSystemValue('force_language', false);
-		if (is_string($forceLocale)) {
+			if (is_string($forceLang)) {
-			$locale = $forceLocale;
+				$lang = $forceLang;
-		}
+			}
 
-		if ($lang === null || !$this->languageExists($app, $lang)) {
+			$forceLocale = $this->config->getSystemValue('force_locale', false);
-			$lang = $this->findLanguage($app);
+			if (is_string($forceLocale)) {
-		}
+				$locale = $forceLocale;
+			}
 
-		if ($locale === null || !$this->localeExists($locale)) {
+			if ($lang === null || !$this->languageExists($app, $lang)) {
-			$locale = $this->findLocale($lang);
+				$lang = $this->findLanguage($app);
-		}
+			}
 
-		if (!isset($this->instances[$lang][$app])) {
+			if ($locale === null || !$this->localeExists($locale)) {
-			$this->instances[$lang][$app] = new L10N(
+				$locale = $this->findLocale($lang);
-				$this, $app, $lang, $locale,
+			}
-				$this->getL10nFilesForApp($app, $lang)
-			);
-		}
 
-		return $this->instances[$lang][$app];
+			if (!isset($this->instances[$lang][$app])) {
+				$this->instances[$lang][$app] = new L10N(
+					$this, $app, $lang, $locale,
+					$this->getL10nFilesForApp($app, $lang)
+				);
+			}
+
+			return $this->instances[$lang][$app];
+		});
 	}
 
 	/**

lib/private/L10N/LazyL10N.php

@@ -0,0 +1,70 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\L10N;
+
+use OCP\IL10N;
+
+class LazyL10N implements IL10N {
+
+	/** @var IL10N */
+	private $l;
+
+	/** @var \Closure */
+	private $factory;
+
+
+	public function __construct(\Closure $factory) {
+		$this->factory = $factory;
+	}
+
+	private function getL(): IL10N {
+		if ($this->l === null) {
+			$this->l = ($this->factory)();
+		}
+
+		return $this->l;
+	}
+
+	public function t(string $text, $parameters = []): string {
+		return $this->getL()->t($text, $parameters);
+	}
+
+	public function n(string $text_singular, string $text_plural, int $count, array $parameters = []): string {
+		return $this->getL()->n($text_singular, $text_plural, $count, $parameters);
+	}
+
+	public function l(string $type, $data, array $options = []) {
+		return $this->getL()->l($type, $data, $options);
+	}
+
+	public function getLanguageCode(): string {
+		return $this->getL()->getLanguageCode();
+	}
+
+	public function getLocaleCode(): string {
+		return $this->getL()->getLocaleCode();
+	}
+
+}