初始化仓库

vendor/thenorthmemory/xml/src/LabeledArrayIterator.php

@@ -0,0 +1,68 @@
+<?php declare(strict_types=1);
+
+namespace TheNorthMemory\Xml;
+
+use ArrayIterator;
+
+/**
+ * Labeled ArrayIterator with special wrapped flag
+ *
+ * @template TKey of array-key
+ * @template TValue
+ *
+ * @extends ArrayIterator<TKey,TValue>
+ */
+class LabeledArrayIterator extends ArrayIterator
+{
+    /**
+     * @var string - The label, default is `item`
+     */
+    private $label = 'item';
+
+    /**
+     * @var boolean - The wrapped flag, default is `false`
+     */
+    private $wrapped = false;
+
+    /**
+     * `Label` setter
+     *
+     * @param string $value - the label value
+     * @return self<TKey,TValue>
+     */
+    public function withLabel(string $value): self
+    {
+        $this->label = $value;
+
+        return $this;
+    }
+
+    /**
+     * `Label` getter
+     */
+    public function getLabel(): string
+    {
+        return $this->label;
+    }
+
+    /**
+     * `wrapped` flag setter
+     *
+     * @param bool $value - the flag value, default is `true`
+     * @return self<TKey,TValue>
+     */
+    public function wrapped(bool $value = true): self
+    {
+        $this->wrapped = $value;
+
+        return $this;
+    }
+
+    /**
+     * `wrapped` flag checker
+     */
+    public function isWrapped(): bool
+    {
+        return $this->wrapped === true;
+    }
+}