T Block: raise notice if target function is not callable

To catch if the L10n functions where not loaded

src/BlockHandler/T.php

@@ -72,6 +72,17 @@ class T implements BlockHandlerInterface
 		return strtr($str, $tr);
 	}
 
+	/**
+	 * raise a notice for missing callable, indicates L10n functions where not loaded
+	 *
+	 * @param  string $function
+	 * @return void
+	 */
+	private function reportL10nNotInitialized(string $function): void
+	{
+		trigger_error("Missing " . $function . ", L10n::loadFunctions() called?", E_NOTICE);
+	}
+
 	/**
 	 * main handler
 	 *
@@ -120,55 +131,57 @@ class T implements BlockHandlerInterface
 
 		// use plural if required parameters are set
 		if (isset($count) && isset($plural)) {
+			// plural calls
 			if (isset($domain) && isset($context)) {
 				if (is_callable('_dnpgettext')) {
 					$content = _dnpgettext($domain, $context, $content, $plural, $count);
-				}/*  elseif (is_callable('dnpgettext')) {
+				} else {
-					$content = dnpgettext($domain, $context, $content, $plural, $count);
+					$this->reportL10nNotInitialized('_dnpgettext');
-				} */
+				}
 			} elseif (isset($domain)) {
 				if (is_callable('_dngettext')) {
 					$content = _dngettext($domain, $content, $plural, $count);
-				} elseif (is_callable('dngettext')) {
+				} else {
-					$content = dngettext($domain, $content, $plural, $count);
+					$this->reportL10nNotInitialized('_dngettext');
 				}
 			} elseif (isset($context)) {
 				if (is_callable('_npgettext')) {
 					$content = _npgettext($context, $content, $plural, $count);
-				}/*  elseif (is_callable('npgettext')) {
+				} else {
-					$content = npgettext($context, $content, $plural, $count);
+					$this->reportL10nNotInitialized('_npgettext');
-				} */
+				}
 			} else {
 				if (is_callable('_ngettext')) {
 					$content = _ngettext($content, $plural, $count);
-				} elseif (is_callable('ngettext')) {
+				} else {
-					$content = ngettext($content, $plural, $count);
+					$this->reportL10nNotInitialized('_ngettext');
 				}
 			}
-		} else { // use normal
+		} else {
+			// use normal
 			if (isset($domain) && isset($context)) {
 				if (is_callable('_dpgettext')) {
 					$content = _dpgettext($domain, $context, $content);
-				}/*  elseif (is_callable('dpgettext')) {
+				} else {
-					$content = dpgettext($domain, $context, $content);
+					$this->reportL10nNotInitialized('_dpgettext');
-				} */
+				}
 			} elseif (isset($domain)) {
 				if (is_callable('_dgettext')) {
 					$content = _dgettext($domain, $content);
-				} elseif (is_callable('dpgettext')) {
+				} else {
-					$content = dgettext($domain, $content);
+					$this->reportL10nNotInitialized('_dgettext');
 				}
 			} elseif (isset($context)) {
 				if (is_callable('_pgettext')) {
 					$content = _pgettext($context, $content);
-				}/*  elseif (is_callable('pgettext')) {
+				} else {
-					$content = pgettext($context, $content);
+					$this->reportL10nNotInitialized('_pgettext');
-				} */
+				}
 			} else {
 				if (is_callable('_gettext')) {
 					$content = _gettext($content);
-				} elseif (is_callable('gettext')) {
+				} else {
-					$content = gettext($content);
+					$this->reportL10nNotInitialized('_gettext');
 				}
 			}
 		}