[BC] New Version

This version simplifies the api a lot, eliminating unnecesary complexity and reducing the library to a few classes only.

src/FormattedRut.php

@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @project Chilean Rut
+ * @link https://github.com/mnavarrocarter/chilean-rut
+ * @package mnavarrocarter/chilean-rut
+ * @author Matias Navarro-Carter mnavarrocarter@gmail.com
+ * @license MIT
+ * @copyright 2020 Matias Navarro Carter
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace MNC\ChileanRut;
+
+/**
+ * A FormattedRut encapsulates logic for formatting a Rut.
+ */
+class FormattedRut
+{
+    private const HYPHENED = 1;
+    private const DOTTED = 2;
+    private const OBFUSCATED = 4;
+
+    private Rut $rut;
+    private int $flags;
+
+    /**
+     * FormattedRut constructor.
+     */
+    public function __construct(Rut $rut)
+    {
+        $this->rut = $rut;
+        $this->flags = 0;
+    }
+
+    public function hyphened(): FormattedRut
+    {
+        return $this->add(self::HYPHENED);
+    }
+
+    public function dotted(): FormattedRut
+    {
+        return $this->add(self::DOTTED);
+    }
+
+    public function obfuscated(): FormattedRut
+    {
+        return $this->add(self::OBFUSCATED);
+    }
+
+    private function add(int $flag): FormattedRut
+    {
+        $clone = clone $this;
+        $clone->flags += $flag;
+
+        return $clone;
+    }
+
+    public function __toString(): string
+    {
+        $number = (string) $this->rut->getNumber();
+        $verifier = $this->rut->getVerifier();
+        if ($this->has(self::OBFUSCATED)) {
+            $replace = str_repeat('*', strlen($number) - 3);
+            $number = substr_replace($number, $replace, 0, -3);
+        }
+
+        if ($this->has(self::DOTTED)) {
+            $number = substr_replace($number, '.', -3, 0);
+            $number = substr_replace($number, '.', -7, 0);
+        }
+        if ($this->has(self::HYPHENED)) {
+            return $number.'-'.$verifier;
+        }
+
+        return $number.$verifier;
+    }
+
+    private function has(int $flag): bool
+    {
+        return ($this->flags & $flag) !== 0;
+    }
+}