Add Template tag

src/DocBlock/Tags/Factory/TemplateFactory.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace phpDocumentor\Reflection\DocBlock\Tags\Factory;
+
+use Webmozart\Assert\Assert;
+use phpDocumentor\Reflection\DocBlock\Tag;
+use phpDocumentor\Reflection\TypeResolver;
+use phpDocumentor\Reflection\Types\Context;
+use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocTagNode;
+use phpDocumentor\Reflection\DocBlock\Tags\Template;
+use phpDocumentor\Reflection\DocBlock\DescriptionFactory;
+use PHPStan\PhpDocParser\Ast\PhpDoc\TemplateTagValueNode;
+
+/**
+ * @internal This class is not part of the BC promise of this library.
+ */
+final class TemplateFactory implements PHPStanFactory
+{
+    private DescriptionFactory $descriptionFactory;
+    private TypeResolver $typeResolver;
+
+    public function __construct(TypeResolver $typeResolver, DescriptionFactory $descriptionFactory)
+    {
+        $this->descriptionFactory = $descriptionFactory;
+        $this->typeResolver = $typeResolver;
+    }
+
+    public function create(PhpDocTagNode $node, Context $context): Tag
+    {
+        $tagValue = $node->value;
+        Assert::isInstanceOf($tagValue, TemplateTagValueNode::class);
+
+        $description = $tagValue->getAttribute('description');
+        if (is_string($description) === false) {
+            $description = $tagValue->description;
+        }
+
+        return new Template(
+            $tagValue->name,
+            $this->typeResolver->createType($tagValue->bound, $context),
+            $this->typeResolver->createType($tagValue->default, $context),
+            $this->descriptionFactory->create($tagValue->description, $context) 
+        );
+    }
+
+    public function supports(PhpDocTagNode $node, Context $context): bool
+    {
+        return $node->value instanceof TemplateTagValueNode && $node->name === '@template';
+    }
+}

src/DocBlock/Tags/Template.php

@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @link http://phpdoc.org
+ */
+
+namespace phpDocumentor\Reflection\DocBlock\Tags;
+
+use Doctrine\Deprecations\Deprecation;
+use phpDocumentor\Reflection\Type;
+use phpDocumentor\Reflection\DocBlock\Description;
+use phpDocumentor\Reflection\DocBlock\Tags\TagWithType;
+
+/**
+ * Reflection class for a {@}template tag in a Docblock.
+ */
+final class Template extends TagWithType 
+{
+	/** @var non-empty-string */
+	private $templateName;
+
+	/** @var ?Type */
+	private $bound;
+
+	/** @var ?Type */
+	private $default;
+
+    public function __construct(string $templateName, ?Type $bound = null, ?Type $default = null, ?Description $description = null)
+    {
+        $this->name         = 'template';
+        $this->templateName = $templateName;
+        $this->bound        = $bound;
+        $this->default      = $default;
+        $this->description  = $description;
+    }
+
+    /**
+     * @deprecated Create using static factory is deprecated,
+     *  this method should not be called directly by library consumers
+     */
+    public static function create(string $body)
+    {
+        Deprecation::trigger(
+            'phpdocumentor/reflection-docblock',
+            'https://github.com/phpDocumentor/ReflectionDocBlock/issues/361',
+            'Create using static factory is deprecated, this method should not be called directly
+             by library consumers',
+        );
+        return null;
+    }
+
+    public function getTemplateName(): string
+    {
+        return $this->templateName;
+    }
+
+    public function getBound(): ?Type
+    {
+        return $this->bound;
+    }
+
+    public function getDefault(): ?Type
+    {
+        return $this->default;
+    }
+
+    public function __toString(): string
+    {
+		$bound   = $this->bound   !== null ? " of {$this->bound}"  : '';
+		$default = $this->default !== null ? " = {$this->default}" : '';
+
+        if ($this->description) {
+            $description = $this->description->render();
+        } else {
+            $description = '';
+        }
+
+        return $this->templateName . $bound . $default . ($description !== '' ? ' ' . $description : '');
+    }
+}