Add italian rules

lib/Doctrine/Inflector/InflectorFactory.php

@@ -10,6 +10,7 @@
 use Doctrine\Inflector\Rules\Portuguese;
 use Doctrine\Inflector\Rules\Spanish;
 use Doctrine\Inflector\Rules\Turkish;
+use Doctrine\Inflector\Rules\Italian;
 use InvalidArgumentException;
 
 use function sprintf;
@@ -42,6 +43,9 @@
             case Language::TURKISH:
                 return new Turkish\InflectorFactory();
 
+            case Language::ITALIAN:
+                return new Italian\InflectorFactory();
+
             default:
                 throw new InvalidArgumentException(sprintf(
                     'Language "%s" is not supported.',

lib/Doctrine/Inflector/Language.php

@@ -12,6 +12,7 @@ final class Language
     public const PORTUGUESE       = 'portuguese';
     public const SPANISH          = 'spanish';
     public const TURKISH          = 'turkish';
+    public const ITALIAN          = 'italian';
 
     private function __construct()
     {

lib/Doctrine/Inflector/Rules/Italian/Inflectible.php

@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Inflector\Rules\Italian;
+
+use Doctrine\Inflector\Rules\Pattern;
+use Doctrine\Inflector\Rules\Substitution;
+use Doctrine\Inflector\Rules\Transformation;
+use Doctrine\Inflector\Rules\Word;
+
+class Inflectible
+{
+    /**
+     * @return Transformation[]
+     */
+    public static function getSingular() : iterable
+    {
+        yield new Transformation(new Pattern('e$'), 'a');
+        yield new Transformation(new Pattern('i$'), 'o');
+    }
+
+    /**
+     * @return Transformation[]
+     */
+    public static function getPlural() : iterable
+    {
+        yield new Transformation(new Pattern('i?a$'), 'e');
+        yield new Transformation(new Pattern('i?e$'), 'i');
+        yield new Transformation(new Pattern('i?o$'), 'i');
+    }
+
+    /**
+     * @return Substitution[]
+     */
+    public static function getIrregular() : iterable
+    {
+        yield new Substitution(new Word('ala'), new Word('ali'));
+        yield new Substitution(new Word('amico'), new Word('amici'));
+        yield new Substitution(new Word('ampio'), new Word('ampli'));
+        yield new Substitution(new Word('arma'), new Word('armi'));
+        yield new Substitution(new Word('asparago'), new Word('asparagi'));
+        yield new Substitution(new Word('belga'), new Word('belgi'));
+        yield new Substitution(new Word('braccio'), new Word('braccia'));
+        yield new Substitution(new Word('budello'), new Word('budella'));
+        yield new Substitution(new Word('bue'), new Word('buoi'));
+        yield new Substitution(new Word('calcagno'), new Word('calcagna'));
+        yield new Substitution(new Word('carcere'), new Word('carceri'));
+        yield new Substitution(new Word('centinaio'), new Word('centinaia'));
+        yield new Substitution(new Word('cerchio'), new Word('cerchia'));
+        yield new Substitution(new Word('cervello'), new Word('cervella'));
+        yield new Substitution(new Word('chirurgo'), new Word('chirurgi'));
+        yield new Substitution(new Word('ciglio'), new Word('ciglia'));
+        yield new Substitution(new Word('corno'), new Word('corna'));
+        yield new Substitution(new Word('cuoio'), new Word('cuoia'));
+        yield new Substitution(new Word('dio'), new Word('dei'));
+        yield new Substitution(new Word('dito'), new Word('dita'));
+        yield new Substitution(new Word('eco'), new Word('echi'));
+        yield new Substitution(new Word('equivoco'), new Word('equivoci'));
+        yield new Substitution(new Word('farmaco'), new Word('farmaci'));
+        yield new Substitution(new Word('ferramento'), new Word('ferramenta'));
+        yield new Substitution(new Word('filamento'), new Word('filamenta'));
+        yield new Substitution(new Word('filo'), new Word('fila'));
+        yield new Substitution(new Word('fondamento'), new Word('fondamenta'));
+        yield new Substitution(new Word('gesto'), new Word('gesta'));
+        yield new Substitution(new Word('ginocchio'), new Word('ginocchia'));
+        yield new Substitution(new Word('greco'), new Word('greci'));
+        yield new Substitution(new Word('gregge'), new Word('greggi'));
+        yield new Substitution(new Word('grido'), new Word('grida'));
+        yield new Substitution(new Word('interiore'), new Word('interiora'));
+        yield new Substitution(new Word('labbro'), new Word('labbra'));
+        yield new Substitution(new Word('lenzuolo'), new Word('lenzuola'));
+        yield new Substitution(new Word('magico'), new Word('magici'));
+        yield new Substitution(new Word('maniaco'), new Word('maniaci'));
+        yield new Substitution(new Word('manico'), new Word('manici'));
+        yield new Substitution(new Word('mano'), new Word('mani'));
+        yield new Substitution(new Word('medico'), new Word('medici'));
+        yield new Substitution(new Word('membro'), new Word('membra'));
+        yield new Substitution(new Word('migliaio'), new Word('migliaia'));
+        yield new Substitution(new Word('miglio'), new Word('miglia'));
+        yield new Substitution(new Word('mille'), new Word('mila'));
+        yield new Substitution(new Word('mio'), new Word('miei'));
+        yield new Substitution(new Word('mosaico'), new Word('mosaici'));
+        yield new Substitution(new Word('muro'), new Word('mura'));
+        yield new Substitution(new Word('nemico'), new Word('nemici'));
+        yield new Substitution(new Word('orecchio'), new Word('orecchie'));
+        yield new Substitution(new Word('osso'), new Word('ossa'));
+        yield new Substitution(new Word('paio'), new Word('paia'));
+        yield new Substitution(new Word('porco'), new Word('porci'));
+        yield new Substitution(new Word('rene'), new Word('reni'));
+        yield new Substitution(new Word('riso'), new Word('risa'));
+        yield new Substitution(new Word('rosa'), new Word('rosa'));
+        yield new Substitution(new Word('serramento'), new Word('serramenta'));
+        yield new Substitution(new Word('staio'), new Word('staia'));
+        yield new Substitution(new Word('strido'), new Word('strida'));
+        yield new Substitution(new Word('strillo'), new Word('strilla'));
+        yield new Substitution(new Word('suo'), new Word('suoi'));
+        yield new Substitution(new Word('tempio'), new Word('templi'));
+        yield new Substitution(new Word('tuo'), new Word('tuoi'));
+        yield new Substitution(new Word('uomo'), new Word('uomini'));
+        yield new Substitution(new Word('uovo'), new Word('uova'));
+        yield new Substitution(new Word('urlo'), new Word('urla'));
+        yield new Substitution(new Word('vestigio'), new Word('vestigia'));
+        yield new Substitution(new Word('viola'), new Word('viola'));
+    }
+}

lib/Doctrine/Inflector/Rules/Italian/InflectorFactory.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Inflector\Rules\Italian;
+
+use Doctrine\Inflector\GenericLanguageInflectorFactory;
+use Doctrine\Inflector\Rules\Ruleset;
+
+final class InflectorFactory extends GenericLanguageInflectorFactory
+{
+    protected function getSingularRuleset() : Ruleset
+    {
+        return Rules::getSingularRuleset();
+    }
+
+    protected function getPluralRuleset() : Ruleset
+    {
+        return Rules::getPluralRuleset();
+    }
+}

lib/Doctrine/Inflector/Rules/Italian/Rules.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Inflector\Rules\Italian;
+
+use Doctrine\Inflector\Rules\Patterns;
+use Doctrine\Inflector\Rules\Ruleset;
+use Doctrine\Inflector\Rules\Substitutions;
+use Doctrine\Inflector\Rules\Transformations;
+
+final class Rules
+{
+    public static function getSingularRuleset() : Ruleset
+    {
+        return new Ruleset(
+            new Transformations(...Inflectible::getSingular()),
+            new Patterns(...Uninflected::getSingular()),
+            (new Substitutions(...Inflectible::getIrregular()))->getFlippedSubstitutions()
+        );
+    }
+
+    public static function getPluralRuleset() : Ruleset
+    {
+        return new Ruleset(
+            new Transformations(...Inflectible::getPlural()),
+            new Patterns(...Uninflected::getPlural()),
+            new Substitutions(...Inflectible::getIrregular())
+        );
+    }
+}

lib/Doctrine/Inflector/Rules/Italian/Uninflected.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Inflector\Rules\Italian;
+
+use Doctrine\Inflector\Rules\Pattern;
+
+final class Uninflected
+{
+    /**
+     * @return Pattern[]
+     */
+    public static function getSingular() : iterable
+    {
+        yield from self::getDefault();
+    }
+
+    /**
+     * @return Pattern[]
+     */
+    public static function getPlural() : iterable
+    {
+        yield from self::getDefault();
+    }
+
+    /**
+     * @return Pattern[]
+     */
+    private static function getDefault() : iterable
+    {
+        yield new Pattern('alpaca');
+        yield new Pattern('blu');
+        yield new Pattern('crocevia');
+        yield new Pattern('foto');
+        yield new Pattern('fuchsia');
+        yield new Pattern('gnu');
+        yield new Pattern('gru');
+        yield new Pattern('iguana');
+        yield new Pattern('koala');
+        yield new Pattern('lama');
+        yield new Pattern('moto');
+        yield new Pattern('opossum');
+        yield new Pattern('panda');
+        yield new Pattern('radio');
+        yield new Pattern('scacciapensieri');
+    }
+}