From 7916351299060019b721d0ba881c00dbee2c8088 Mon Sep 17 00:00:00 2001
From: yggverse <yggverse@bot>
Date: Wed, 3 Apr 2024 04:29:22 +0300
Subject: [PATCH] Implement Gemtext/Link class

---
 README.md            | 44 ++++++++++++++++++++++++++++++-
 src/Gemtext/Link.php | 63 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 106 insertions(+), 1 deletion(-)
 create mode 100644 src/Gemtext/Link.php

diff --git a/README.md b/README.md
index 201dae7..4b41247 100644
--- a/README.md
+++ b/README.md
@@ -79,10 +79,52 @@ $body = new \Yggverse\Gemini\Gemtext\Body(
 
 ```
 var_dump(
-    $body->getLinks() // returns array of clickable links
+    $body->getLinks() // returns array of inline links
 );
 ```
 
+### Link
+
+Inline links parser.
+
+Allows to extract address, date with timestamp and alt text from link line given
+
+```
+foreach ($body->getLinks() as $line)
+{
+    $link = new \Yggverse\Gemini\Gemtext\Link(
+        $line
+    );
+
+    var_dump(
+        $link->getAddress()
+    );
+
+    var_dump(
+        $link->getAlt()
+    );
+}
+```
+
+#### Link::getAddress
+#### Link::getDate
+
+This method also validates time format and returns the unix timestamp as linked argument
+
+```
+var_dump(
+    $link->getDate(
+        $timestamp // get unix time from this variable
+    )
+);
+
+var_dump(
+    $timestamp
+);
+```
+
+#### Link::getAlt
+
 ## DokuWiki
 
 Toolkit provides DokuWiki API for Gemini.
diff --git a/src/Gemtext/Link.php b/src/Gemtext/Link.php
new file mode 100644
index 0000000..f7ed077
--- /dev/null
+++ b/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;
+    }
+}
\ No newline at end of file