1 files changed, 37 insertions, 0 deletions
diff --git a/lib/exTpl/ExpressionNode.php b/lib/exTpl/ExpressionNode.php
new file mode 100644
index 0000000..061edce
--- /dev/null
+++ b/lib/exTpl/ExpressionNode.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace exTpl;
+
+/**
+ * ExpressionNode represents an expression tag: "{...}".
+ */
+class ExpressionNode implements Node
+{
+    protected Expression $expr;
+
+    /**
+     * Initializes a new Node instance with the given expression.
+     *
+     * @param Expression $expr expression object
+     */
+    public function __construct(Expression $expr)
+    {
+        $this->expr = $expr;
+    }
+
+    /**
+     * Returns a string representation of this node.
+     *
+     * @param Context $context symbol table
+     */
+    public function render(Context $context): ?string
+    {
+        $value = $this->expr->value($context);
+
+        if (!($this->expr instanceof RawExpression)) {
+            $value = $context->escape($value);
+        }
+
+        return $value;
+    }
+}