Initial commit

vendor/symfony/string/Inflector/SpanishInflector.php

@@ -0,0 +1,126 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\String\Inflector;
+
+final class SpanishInflector implements InflectorInterface
+{
+    /**
+     * A list of all rules for pluralise.
+     *
+     * @see https://www.spanishdict.com/guide/spanish-plural-noun-forms
+     * @see https://www.rae.es/gram%C3%A1tica/morfolog%C3%ADa/la-formaci%C3%B3n-del-plural-plurales-en-s-y-plurales-en-es-reglas-generales
+     */
+    // First entry: regex
+    // Second entry: replacement
+    private const PLURALIZE_REGEXP = [
+        // Specials sí, no
+        ['/(sí|no)$/i', '\1es'],
+
+        // Words ending with vowel must use -s (RAE 3.2a, 3.2c)
+        ['/(a|e|i|o|u|á|é|í|ó|ú)$/i', '\1s'],
+
+        // Word ending in s or x and the previous letter is accented (RAE 3.2n)
+        ['/ás$/i', 'ases'],
+        ['/és$/i', 'eses'],
+        ['/ís$/i', 'ises'],
+        ['/ós$/i', 'oses'],
+        ['/ús$/i', 'uses'],
+
+        // Words ending in -ión must changed to -iones
+        ['/ión$/i', '\1iones'],
+
+        // Words ending in some consonants must use -es (RAE 3.2k)
+        ['/(l|r|n|d|j|s|x|ch|y)$/i', '\1es'],
+
+        // Word ending in z, must changed to ces
+        ['/(z)$/i', 'ces'],
+    ];
+
+    /**
+     * A list of all rules for singularize.
+     */
+    private const SINGULARIZE_REGEXP = [
+        // Specials sí, no
+        ['/(sí|no)es$/i', '\1'],
+
+        // Words ending in -ión must changed to -iones
+        ['/iones$/i', '\1ión'],
+
+        // Word ending in z, must changed to ces
+        ['/ces$/i', 'z'],
+
+        // Word ending in s or x and the previous letter is accented (RAE 3.2n)
+        ['/(\w)ases$/i', '\1ás'],
+        ['/eses$/i', 'és'],
+        ['/ises$/i', 'ís'],
+        ['/(\w{2,})oses$/i', '\1ós'],
+        ['/(\w)uses$/i', '\1ús'],
+
+        // Words ending in some consonants and -es, must be the consonants
+        ['/(l|r|n|d|j|s|x|ch|y)e?s$/i', '\1'],
+
+        // Words ended with vowel and s, must be vowel
+        ['/(a|e|i|o|u|á|é|ó|í|ú)s$/i', '\1'],
+    ];
+
+    private const UNINFLECTED_RULES = [
+        // Words ending with pies (RAE 3.2n)
+        '/.*(piés)$/i',
+    ];
+
+    private const UNINFLECTED = '/^(lunes|martes|miércoles|jueves|viernes|análisis|torax|yo|pies)$/i';
+
+    public function singularize(string $plural): array
+    {
+        if ($this->isInflectedWord($plural)) {
+            return [$plural];
+        }
+
+        foreach (self::SINGULARIZE_REGEXP as $rule) {
+            [$regexp, $replace] = $rule;
+
+            if (1 === preg_match($regexp, $plural)) {
+                return [preg_replace($regexp, $replace, $plural)];
+            }
+        }
+
+        return [$plural];
+    }
+
+    public function pluralize(string $singular): array
+    {
+        if ($this->isInflectedWord($singular)) {
+            return [$singular];
+        }
+
+        foreach (self::PLURALIZE_REGEXP as $rule) {
+            [$regexp, $replace] = $rule;
+
+            if (1 === preg_match($regexp, $singular)) {
+                return [preg_replace($regexp, $replace, $singular)];
+            }
+        }
+
+        return [$singular.'s'];
+    }
+
+    private function isInflectedWord(string $word): bool
+    {
+        foreach (self::UNINFLECTED_RULES as $rule) {
+            if (1 === preg_match($rule, $word)) {
+                return true;
+            }
+        }
+
+        return 1 === preg_match(self::UNINFLECTED, $word);
+    }
+}