Add verb() function to Russian language

src/Russian/functions.php

@@ -3,7 +3,8 @@
 
 use morphos\S;
 
-function name($fullname, $case = null, $gender = null) {
+function name($fullname, $case = null, $gender = null)
+{
     if (in_array($case, array('m', 'f'))) {
         $gender = $case;
         $case = null;
@@ -48,7 +49,8 @@ function name($fullname, $case = null, $gender = null) {
     return implode(' ', $name);
 }
 
-function detectGender($fullname) {
+function detectGender($fullname)
+{
     static $first, $middle, $last;
     $name = explode(' ', S::lower($fullname));
     if (count($name) < 2 || count($name) > 3)
@@ -59,6 +61,22 @@ function detectGender($fullname) {
         LastNamesDeclension::detectGender($name[0]);
 }
 
-function pluralize($word, $count = 2, $animateness = false) {
+function pluralize($word, $count = 2, $animateness = false)
+{
     return Plurality::pluralize($word, $count, $animateness);
 }
+
+/**
+ * @param string $verb Verb to modificate if gender is female
+ * @param string $gender If not `m`, verb will be modificated
+ * @return string Correct verb
+ */
+function verb($verb, $gender)
+{
+    // возвратный глагол
+    if (S::slice($verb, -2) == 'ся')
+        return ($gender == 'm' ? $verb : mb_substr($verb, 0, -2).'ась');
+
+    // обычный глагол
+    return ($gender == 'm' ? $verb : $verb.'а');
+}

tests/Russian/FunctionsTest.php

@@ -0,0 +1,41 @@
+<?php
+namespace morphos\test\Russian;
+require __DIR__.'/../../vendor/autoload.php';
+
+use morphos\Gender;
+use morphos\NumeralCreation;
+use morphos\Russian\Cases;
+use morphos\Russian\CardinalNumeral;
+
+class FunctionsTest extends \PHPUnit_Framework_TestCase
+{
+	/**
+	 * @dataProvider verbsProvider()
+	 */
+	public function testVerb($verb, $gender, $correctVerb)
+	{
+		$this->assertEquals($correctVerb, \morphos\Russian\verb($verb, $gender));
+	}
+
+	public function verbsProvider()
+	{
+		return
+		[
+			['попал', Gender::MALE, 'попал'],
+			['попал', Gender::FEMALE, 'попала'],
+			['попался', Gender::MALE, 'попался'],
+			['попался', Gender::FEMALE, 'попалась'],
+		];
+	}
+
+	public function testDetectGender()
+	{
+		$this->assertEquals(Gender::MALE, \morphos\Russian\detectGender('Иванов Петр'));
+		$this->assertEquals(Gender::FEMALE, \morphos\Russian\detectGender('Мирова Анастасия'));
+	}
+
+	public function testPluralize()
+	{
+		$this->assertEquals('сообщений', \morphos\Russian\pluralize('сообщение', 10));
+	}
+}