Restore AttributeSingleXmlStructure

src/EnvReader/XmlStructure/AttributeSingleXmlStructure.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace jrosset\EnvReader\XmlStructure;
+
+use SimpleXMLElement;
+
+/**
+ * Structure about a single attribute
+ */
+class AttributeSingleXmlStructure implements IXmlStructure {
+    /**
+     * @var string The attribute name
+     */
+    private string $attributeName;
+
+    /**
+     * Initialize
+     *
+     * @param string $attributeName The attribute name
+     */
+    public function __construct (string $attributeName) {
+        $this->attributeName = $attributeName;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function parseXml (SimpleXMLElement $xmlNode): string {
+        return (string)$xmlNode[$this->attributeName];
+    }
+}