diff --git a/src/Document.php b/src/Document.php
new file mode 100644
index 0000000..547c7bc
--- /dev/null
+++ b/src/Document.php
@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Gemtext;
+
+use \Yggverse\Gemtext;
+
+class Document
+{
+    private array $_entities = [];
+
+    public function __construct(
+        string $data
+    ) {
+        foreach ((array) explode(PHP_EOL, $data) as $line)
+        {
+            // Add entity
+            switch (true)
+            {
+                // Code
+                case Parser\Code::match($line):
+
+                    $this->_entities[] = new Entity\Code(
+                        Parser\Code::getAlt(
+                            $line
+                        ),
+                        Parser\Code::isInline(
+                            $line
+                        )
+                    );
+
+                break;
+
+                // Link
+                case Parser\Link::match($line):
+
+                    $this->_entities[] = new Entity\Link(
+                        Parser\Link::getAddress(
+                            $line
+                        ),
+                        Parser\Link::getAlt(
+                            $line
+                        ),
+                        Parser\Link::getDate(
+                            $line
+                        )
+                    );
+
+                break;
+
+                // Plain
+                default:
+
+                    $this->_entities[] = new Entity\Text(
+                        $line
+                    );
+            }
+        }
+    }
+
+    public function toString(): string
+    {
+        $entities = [];
+
+        foreach ($this->_entities as $entity)
+        {
+            $entities[] = $entity->toString();
+        }
+
+        return implode(
+            PHP_EOL,
+            $entities
+        );
+    }
+}
\ No newline at end of file