Add local set to L10n class and use it in Smarty Extended

The actual locale name of the folder where the mo file is located can be
queried with getLocaleSet()

This is used in smarty extended to set the smarty translation template
for javascript strings

4dev/tests/CoreLibsLanguageL10nTest.php

@@ -109,10 +109,11 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			// 2: encoding
 			// 3: path
 			// 4: locale expected
-			// 5: domain exepcted
-			// 6: context (null for none)
-			// 7: test string in
-			// 8: test translated
+			// 5: locale set expected
+			// 6: domain exepcted
+			// 7: context (null for none)
+			// 8: test string in
+			// 9: test translated
 			// new style load
 			'gettext load en' => [
 				'en_US.UTF-8',
@@ -120,6 +121,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				__DIR__ . 'includes/locale/',
 				//
 				'en_US.UTF-8',
+				'en_US',
 				'frontend',
 				null,
 				'Original',
@@ -131,6 +133,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				__DIR__ . 'includes/locale/',
 				//
 				'en_US.UTF-8',
+				'en_US',
 				'frontend',
 				'context',
 				'Original',
@@ -142,6 +145,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				__DIR__ . 'includes/locale/',
 				//
 				'ja_JP.UTF-8',
+				'ja_JP',
 				'admin',
 				null,
 				'Original',
@@ -154,6 +158,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				'frontend',
 				//
 				'en_US.UTF-8',
+				'en_US',
 				'frontend',
 				'context',
 				'Original',
@@ -167,6 +172,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				//
 				'',
 				'',
+				'',
 				null,
 				'Original',
 				'Original',
@@ -185,6 +191,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @param  string|null $domain
 	 * @param  string|null $path
 	 * @param  string      $locale_expected
+	 * @param  string      $locale_set_expected
 	 * @param  string      $domain_expected
 	 * @param  ?string     $context
 	 * @param  string      $original
@@ -196,6 +203,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 		?string $domain,
 		?string $path,
 		string $locale_expected,
+		string $locale_set_expected,
 		string $domain_expected,
 		?string $context,
 		string $original,
@@ -217,6 +225,11 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			$l10n->getLocale(),
 			'Locale assert failed'
 		);
+		$this->assertEquals(
+			$locale_set_expected,
+			$l10n->getLocaleSet(),
+			'Locale set assert failed'
+		);
 		$this->assertEquals(
 			$domain_expected,
 			$l10n->getDomain(),
@@ -255,15 +268,17 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			// 3: load error
 			// 4: input string to translated
 			// 5: expected locale
-			// 6: expected domain
-			// 7: expected translation
-			// 8: change locale
-			// 9: change domain
-			// 10: change path
-			// 11: change load error
-			// 12: expected locale
-			// 13: expected domain
-			// 14: expected translation
+			// 6: expected locale set
+			// 7: expected domain
+			// 8: expected translation
+			// 9: change locale
+			// 10: change domain
+			// 11: change path
+			// 12: change load error
+			// 13: expected locale
+			// 14: expected locale set
+			// 15: expected domain
+			// 16: expected translation
 			'load and change (en->ja)' => [
 				// set 0-2
 				'en_US.UTF-8',
@@ -275,6 +290,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				'Original',
 				// check setter 5-7
 				'en_US.UTF-8',
+				'en_US',
 				'frontend',
 				'Translated frontend en_US',
 				// set new 8-10
@@ -285,6 +301,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				false,
 				// check new setter 12-14
 				'ja_JP.UTF-8',
+				'ja_JP',
 				'frontend',
 				'Translated frontend ja_JP',
 			],
@@ -300,6 +317,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				// check setter 5-7
 				'',
 				'',
+				'',
 				'Original',
 				// set new 8-10
 				'en_US.UTF-8',
@@ -309,6 +327,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				false,
 				// check new setter 12-14
 				'en_US.UTF-8',
+				'en_US',
 				'frontend',
 				'Translated frontend en_US',
 			]
@@ -329,12 +348,14 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @param  bool        $load_error
 	 * @param  string      $original
 	 * @param  string      $locale_expected_a
+	 * @param  string      $locale_set_expected_a
 	 * @param  string      $domain_expected_a
 	 * @param  string      $translated_a
 	 * @param  string|null $locale_new
 	 * @param  string|null $domain_new
 	 * @param  string|null $path_new
 	 * @param  bool        $load_error_new
+	 * @param  string      $locale_set_expected_b
 	 * @param  string      $locale_expected_b
 	 * @param  string      $domain_expected_b
 	 * @param  string      $translated_b
@@ -351,6 +372,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 		string $original,
 		// 5-7
 		string $locale_expected_a,
+		string $locale_set_expected_a,
 		string $domain_expected_a,
 		string $translated_a,
 		// 8-10
@@ -361,6 +383,7 @@ final class CoreLibsLanguageL10nTest extends TestCase
 		bool $load_error_new,
 		// 12-14
 		string $locale_expected_b,
+		string $locale_set_expected_b,
 		string $domain_expected_b,
 		string $translated_b,
 	): void {
@@ -384,6 +407,10 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			$locale_expected_a,
 			$l10n->getLocale(),
 			'Locale init assert failed'
+		);$this->assertEquals(
+			$locale_set_expected_a,
+			$l10n->getLocaleSet(),
+			'Locale Set init assert failed'
 		);
 		$this->assertEquals(
 			$domain_expected_a,
@@ -435,6 +462,11 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			$l10n->getLocale(),
 			'Locale change assert failed'
 		);
+		$this->assertEquals(
+			$locale_set_expected_b,
+			$l10n->getLocaleSet(),
+			'Locale Set change assert failed'
+		);
 		$this->assertEquals(
 			$domain_expected_b,
 			$l10n->getDomain(),