support de téléphone avec label

nur_src/ldap/labels.php

@@ -0,0 +1,23 @@
+<?php
+namespace nur\ldap;
+
+use nur\str;
+
+class labels {
+  static function strip(?string &$value, ?string &$label=null): void {
+    if ($value === null) return;
+    if (preg_match('/^(\{[^}]*})/', $value, $ms, PREG_OFFSET_CAPTURE)) {
+      $label = $ms[1][0];
+      $value = substr($value, $ms[1][1] + strlen($label));
+    }
+  }
+
+  static function add(?string $value, ?string $label): ?string {
+    if ($value === null) return null;
+    if ($label !== null) {
+      str::add_prefix($label, "{");
+      str::add_suffix($label, "}");
+    }
+    return "$label$value";
+  }
+}

nur_src/ldap/syntaxes/TelephoneSyntax.php

@@ -2,6 +2,7 @@
 namespace nur\ldap\syntaxes;
 
 use nur\data\types\TelephoneType;
+use nur\ldap\labels;
 
 class TelephoneSyntax extends StringSyntax {
   function __construct() {
@@ -14,11 +15,15 @@ class TelephoneSyntax extends StringSyntax {
   function php2ldap($value): ?string {
     $value = parent::php2ldap($value);
     if ($value === null) return null;
+    labels::strip($value, $label);
     $type = $this->type;
-    return $type->ensureInternational($type->with($value));
+    $value = $type->ensureInternational($type->with($value));
+    return labels::add($value, $label);
   }
 
   function ldap2php(string $value): string {
-    return $this->type->ensureLocal($value);
+    labels::strip($value, $label);
+    $value = $this->type->ensureLocal($value);
+    return labels::add($value, $label);
   }
 }