Prepare for moving into monorepo

src/Bundle/ChillPerson/Config/ConfigPersonAltNamesHelper.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Chill\PersonBundle\Config;
+
+
+/**
+ * Give help to interact with the config for alt names
+ * 
+ *
+ */
+class ConfigPersonAltNamesHelper
+{
+    /**
+     * the raw config, directly from the container parameter
+     *
+     * @var array
+     */
+    private $config = [];
+    
+    public function __construct($config)
+    {
+        $this->config = $config;
+    }
+    
+    /**
+     * Return true if at least one alt name is configured
+     * 
+     * @return bool
+     */
+    public function hasAltNames(): bool
+    {
+        return count($this->config) > 0;
+    }
+    
+    /**
+     * get the choices as key => values
+     * 
+     * @return array
+     */
+    public function getChoices(): array
+    {
+        $choices = [];
+        foreach ($this->config as $entry) {
+            
+            $labels = $entry['labels'];
+            $lang = false;
+            $label = false;
+            $cur = reset($labels);
+            while ($cur) {
+                if (key($labels) === 'lang') {
+                    $lang = current($labels);
+                }
+                
+                if (key($labels) === 'label') {
+                    $label = current($labels);
+                }
+                
+                if ($lang !== FALSE && $label !== FALSE) {
+                    $choices[$entry['key']][$lang] = $label;
+                    $lang = false;
+                    $label = false;
+                }
+                $cur = next($labels);
+            }
+        }
+        
+        return $choices;
+    }
+
+}