interface translate

pigLatinTranslator service implemented infterface translate
registration in config.neon

app/config/config.neon

@@ -22,6 +22,7 @@ nette:
 
 
 services:
-	- PigLatinTranslator\Model\UserManager
 	- PigLatinTranslator\RouterFactory
 	router: @PigLatinTranslator\RouterFactory::createRouter
+
+	- PigLatinTranslator\Services\PigLatinTranslator

app/services/ITranslator.php

+<?php
+
+namespace PigLatinTranslator\Services;
+
+interface ITranslator
+{
+	/**
+	 * Translate method
+	 * @param  string $text text for translate
+	 * @return string       translated text
+	 */
+	public function translate($text);
+}

app/services/PigLatinTranslator.php

+<?php
+
+namespace PigLatinTranslator\Services;
+
+use Nette\Utils\Strings;
+
+class PigLatinTranslator implements ITranslator
+{
+	/**
+	 * @inherit
+	 */
+	public function translate($text)
+	{
+		$words = Strings::split($text, '~([\s,.]+)~');
+		foreach($words as &$word) {
+			$word = $this->translateWord($word);
+		}
+		return implode($words);
+	}
+
+	protected function translateWord($word)
+	{
+		return Strings::replace($word, array(
+			'~^[aeiou]+[a-z]*$~' => '\\0way',
+			'~^([^aeiou]+)([a-z]+)$~' => '\\2\\1ay',
+		));
+	}
+}