Implement Gemtext/Link class

src/Gemtext/Link.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Gemini\Gemtext;
+
+class Link
+{
+    private string $_line;
+
+    public function __construct(string $line)
+    {
+        $this->_line = $line;
+    }
+
+    public function getAddress(): ?string
+    {
+        if (preg_match('/^([^\s]+)\s.*/', trim($this->_line), $match))
+        {
+            return trim(
+                $match[1]
+            );
+        }
+
+        return null;
+    }
+
+    public function getDate(?int &$timestamp = null): ?string
+    {
+        if (preg_match('/\s([\d]+-[\d+]+-[\d]+)\s/', trim($this->_line), $match))
+        {
+            if ($result = strtotime($match[1]))
+            {
+                $timestamp = $result;
+
+                return trim(
+                    $match[1]
+                );
+            }
+        }
+
+        return null;
+    }
+
+    public function getAlt(): ?string
+    {
+        if (preg_match('/\s[\d]+-[\d+]+-[\d]+\s(.*)$/', trim($this->_line), $match))
+        {
+            return trim(
+                $match[1]
+            );
+        }
+
+        else if (preg_match('/\s(.*)$/', trim($this->_line), $match))
+        {
+            return trim(
+                $match[1]
+            );
+        }
+
+        return null;
+    }
+}