Add PHP8 attributes for our existing service annotations

core-bundle/src/DependencyInjection/Attribute/AsCallback.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * An attribute to register a DCA callback.
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsCallback
+{
+    public function __construct(public string $table, public string $target, public ?string $method = null, public ?int $priority = null)
+    {
+    }
+}

core-bundle/src/DependencyInjection/Attribute/AsContentElement.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * Service tag to autoconfigure content elements.
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsContentElement
+{
+    public array $attributes;
+
+    public function __construct(string $type = null, string $category, string $template = null, string $method = null, string $renderer = null, array ...$attributes)
+    {
+        $attributes['type'] = $type;
+        $attributes['category'] = $category;
+        $attributes['template'] = $template;
+        $attributes['method'] = $method;
+        $attributes['renderer'] = $renderer;
+
+        $this->attributes = $attributes;
+    }
+}

core-bundle/src/DependencyInjection/Attribute/AsCronJob.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * An attribute to register a Contao cron job.
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsCronJob
+{
+    public function __construct(public string $interval, public ?string $method = null)
+    {
+    }
+}

core-bundle/src/DependencyInjection/Attribute/AsFrontendModule.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * Service tag to autoconfigure frontend module.
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsFrontendModule
+{
+    public array $attributes;
+
+    public function __construct(string $type = null, string $category, string $template = null, string $method = null, string $renderer = null, array ...$attributes)
+    {
+        $attributes['type'] = $type;
+        $attributes['category'] = $category;
+        $attributes['template'] = $template;
+        $attributes['method'] = $method;
+        $attributes['renderer'] = $renderer;
+
+        $this->attributes = $attributes;
+    }
+}

core-bundle/src/DependencyInjection/Attribute/AsHook.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * An attribute to register a Contao hook.
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsHook
+{
+    public function __construct(public string $hook, public ?string $method = null, public ?int $priority = null)
+    {
+    }
+}

core-bundle/src/DependencyInjection/Attribute/AsPage.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * An attribute class for page controllers.
+ *
+ * @see \Symfony\Component\Routing\Annotation\Route
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsPage
+{
+    public function __construct(public ?string $type = null, public bool $contentComposition = true, public ?string $path = null, public ?string $urlSuffix = null, public array $requirements = [], public array $options = [], public array $defaults = [], public array $methods = [])
+    {
+    }
+}

core-bundle/src/DependencyInjection/Attribute/AsPickerProvider.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Contao.
+ *
+ * (c) Leo Feyer
+ *
+ * @license LGPL-3.0-or-later
+ */
+
+namespace Contao\CoreBundle\DependencyInjection\Attribute;
+
+/**
+ * An attribute to register a Contao picker.
+ */
+#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
+class AsPickerProvider
+{
+    public function __construct(public ?int $priority = null)
+    {
+    }
+}

core-bundle/src/DependencyInjection/ContaoCoreExtension.php

@@ -13,7 +13,16 @@
 namespace Contao\CoreBundle\DependencyInjection;
 
 use Contao\CoreBundle\Crawl\Escargot\Subscriber\EscargotSubscriberInterface;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsCallback;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsCronJob;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsFrontendModule;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsHook;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsPage;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsPickerProvider;
 use Contao\CoreBundle\EventListener\SearchIndexListener;
+use Contao\CoreBundle\Fragment\Reference\ContentElementReference;
+use Contao\CoreBundle\Fragment\Reference\FrontendModuleReference;
 use Contao\CoreBundle\Migration\MigrationInterface;
 use Contao\CoreBundle\Picker\PickerProviderInterface;
 use Contao\CoreBundle\Routing\Page\ContentCompositionInterface;
@@ -23,6 +32,7 @@
 use Imagine\Gd\Imagine;
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
 use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\ChildDefinition;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
@@ -119,6 +129,55 @@ public function load(array $configs, ContainerBuilder $container): void
             ->registerForAutoconfiguration(ContentCompositionInterface::class)
             ->addTag('contao.page')
         ;
+
+        $container->registerAttributeForAutoconfiguration(
+            AsContentElement::class,
+            static function (ChildDefinition $definition, AsContentElement $attribute): void {
+                $definition->addTag(ContentElementReference::TAG_NAME, $attribute->attributes);
+            }
+        );
+
+        $container->registerAttributeForAutoconfiguration(
+            AsFrontendModule::class,
+            static function (ChildDefinition $definition, AsFrontendModule $attribute): void {
+                $definition->addTag(FrontendModuleReference::TAG_NAME, $attribute->attributes);
+            }
+        );
+
+        $container->registerAttributeForAutoconfiguration(
+            AsCronJob::class,
+            static function (ChildDefinition $definition, AsCronJob $attribute): void {
+                $definition->addTag('contao.cronjob', get_object_vars($attribute));
+            }
+        );
+
+        $container->registerAttributeForAutoconfiguration(
+            AsHook::class,
+            static function (ChildDefinition $definition, AsHook $attribute): void {
+                $definition->addTag('contao.hook', get_object_vars($attribute));
+            }
+        );
+
+        $container->registerAttributeForAutoconfiguration(
+            AsCallback::class,
+            static function (ChildDefinition $definition, AsCallback $attribute): void {
+                $definition->addTag('contao.callback', get_object_vars($attribute));
+            }
+        );
+
+        $container->registerAttributeForAutoconfiguration(
+            AsPage::class,
+            static function (ChildDefinition $definition, AsPage $attribute): void {
+                $definition->addTag('contao.page', get_object_vars($attribute));
+            }
+        );
+
+        $container->registerAttributeForAutoconfiguration(
+            AsPickerProvider::class,
+            static function (ChildDefinition $definition, AsPickerProvider $attribute): void {
+                $definition->addTag('contao.picker_provider', get_object_vars($attribute));
+            }
+        );
     }
 
     private function handleSearchConfig(array $config, ContainerBuilder $container): void