modifs.mineures sans commentaires

wip/php/access/KeyAccess.php

@@ -11,6 +11,7 @@ class KeyAccess extends AbstractAccess {
   function __construct(&$dest, $key, ?array $params=null) {
     $this->dest =& $dest;
     $this->key = $key;
+    $this->allowNull = $params["allow_null"] ?? true;
     $this->allowFalse = $params["allow_false"] ?? false;
     $this->allowEmpty = $params["allow_empty"] ?? true;
   }
@@ -18,9 +19,16 @@ class KeyAccess extends AbstractAccess {
   /** @var array|ArrayAccess */
   protected $dest;
 
+  function reset(&$dest): self {
+    $this->dest =& $dest;
+    return $this;
+  }
+
   /** @var int|string */
   protected $key;
 
+  protected bool $allowNull;
+
   protected bool $allowFalse;
 
   protected bool $allowEmpty;
@@ -28,7 +36,10 @@ class KeyAccess extends AbstractAccess {
   function exists(): bool {
     $key = $this->key;
     if ($key === null) return false;
-    return cl::has($this->dest, $key);
+    $exists = cl::has($this->dest, $key);
+    if (!$exists) return false;
+    if ($this->allowNull) return true;
+    return cl::get($this->dest, $key) !== null;
   }
 
   function available(): bool {
@@ -42,6 +53,7 @@ class KeyAccess extends AbstractAccess {
   function get($default=null) {
     if ($this->key === null) return $default;
     $value = cl::get($this->dest, $this->key, $default);
+    if ($value === null && !$this->allowNull) return $default;
     if ($value === false && !$this->allowFalse) return $default;
     if ($value === "" && !$this->allowEmpty) return $default;
     return $value;

wip/php/access/ValueAccess.php

@@ -2,27 +2,48 @@
 namespace nur\sery\wip\php\access;
 
 /**
- * Class ValueAccess: accès à une valeur scalaire
+ * Class ValueAccess: accès à une valeur unitaire
  */
 class ValueAccess extends AbstractAccess {
-  function __construct(&$dest) {
+  function __construct(&$dest, ?array $params=null) {
     $this->dest =& $dest;
+    $this->allowNull = $params["allow_null"] ?? false;
+    $this->allowFalse = $params["allow_false"] ?? true;
+    $this->allowEmpty = $params["allow_empty"] ?? true;
   }
 
   /** @var mixed */
   protected $dest;
 
+  function reset(&$dest): self {
+    $this->dest =& $dest;
+    return $this;
+  }
+
+  protected bool $allowNull;
+
+  protected bool $allowFalse;
+
+  protected bool $allowEmpty;
+
   function exists(): bool {
-    return $this->dest !== null;
+    return $this->allowNull || $this->dest !== null;
   }
 
   function available(): bool {
-    return $this->exists();
+    if (!$this->exists()) return false;
+    $value = $this->get();
+    if ($value === false) return $this->allowFalse;
+    if ($value === "") return $this->allowEmpty;
+    return true;
   }
 
   function get($default=null) {
-    if ($this->dest === null) return $default;
-    else return $this->dest;
+    $value = $this->dest;
+    if ($value === null && !$this->allowNull) return $default;
+    if ($value === false && !$this->allowFalse) return $default;
+    if ($value === "" && !$this->allowEmpty) return $default;
+    return $value;
   }
 
   function set($value): void {