Add source for automatic HTTP method update

dev/DataSource/Http/HttpMethodSource.php

@@ -0,0 +1,66 @@
+<?php
+declare(strict_types=1);
+
+namespace PrinsFrank\Standards\Dev\DataSource\Http;
+
+use PrinsFrank\Standards\Dev\DataSource\HtmlDataSource;
+use PrinsFrank\Standards\Http\HttpMethod;
+use Symfony\Component\Panther\Client;
+use Symfony\Component\Panther\DomCrawler\Crawler;
+
+class HttpMethodSource implements HtmlDataSource
+{
+    public static function transformName(string $key): ?string
+    {
+        if ($key === '*' || $key === '') {
+            return null; // According to https://www.rfc-editor.org/rfc/rfc9110.html#name-method-registration, section 18.2, this is a reserved method
+        }
+
+        return $key;
+    }
+
+    public static function transformValue(string $value): string|int|null
+    {
+        return $value;
+    }
+
+    public static function getSpecFQN(): string
+    {
+        return HttpMethod::class;
+    }
+
+    public static function sort(): bool
+    {
+        return true;
+    }
+
+    public static function xPathIdentifierKey(): string
+    {
+        return self::xPathIdentifierName();
+    }
+
+    public static function getKeyEnumFQN(): string
+    {
+        return HttpMethod::class;
+    }
+
+    public static function xPathIdentifierName(): string
+    {
+        return '//table[@id="table-methods"]/tbody/tr/td[1]';
+    }
+
+    public static function xPathIdentifierValue(): string
+    {
+        return self::xPathIdentifierName();
+    }
+
+    public static function url(): string
+    {
+        return 'https://www.iana.org/assignments/http-methods/http-methods.xhtml';
+    }
+
+    public static function afterPageLoad(Client $client, Crawler $crawler): void
+    {
+        $client->waitForElementToContain('//table/thead', 'Method Name');
+    }
+}

dev/SpecUpdater.php

@@ -14,6 +14,7 @@
 use PrinsFrank\Standards\Dev\DataSource\Currency\ISO4217_Numeric_Source;
 use PrinsFrank\Standards\Dev\DataSource\DataSource;
 use PrinsFrank\Standards\Dev\DataSource\HtmlDataSource;
+use PrinsFrank\Standards\Dev\DataSource\Http\HttpMethodSource;
 use PrinsFrank\Standards\Dev\DataSource\Http\HttpStatusCodeSource;
 use PrinsFrank\Standards\Dev\DataSource\Language\ISO639_1_Alpha_2_Source;
 use PrinsFrank\Standards\Dev\DataSource\Language\ISO639_2_Alpha_3_Bibliographic_Source;
@@ -50,6 +51,7 @@ class SpecUpdater
     /** @var array<class-string<DataSource>> */
     public const HTTP_SOURCES = [
         HttpStatusCodeSource::class,
+        HttpMethodSource::class,
     ];
 
     /** @var array<class-string<DataSource>> */