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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * This file is part of fast-forward/dev-tools. |
| 7 | * |
| 8 | * This source file is subject to the license bundled |
| 9 | * with this source code in the file LICENSE. |
| 10 | * |
| 11 | * @copyright Copyright (c) 2026 Felipe Sayão Lobato Abreu <github@mentordosnerds.com> |
| 12 | * @license https://opensource.org/licenses/MIT MIT License |
| 13 | * |
| 14 | * @see https://github.com/php-fast-forward/dev-tools |
| 15 | * @see https://github.com/php-fast-forward |
| 16 | * @see https://datatracker.ietf.org/doc/html/rfc2119 |
| 17 | */ |
| 18 | |
| 19 | namespace FastForward\DevTools\Rector; |
| 20 | |
| 21 | use PhpParser\Comment\Doc; |
| 22 | use PhpParser\Node; |
| 23 | use Rector\Rector\AbstractRector; |
| 24 | use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; |
| 25 | use PhpParser\Node\Stmt\Class_; |
| 26 | |
| 27 | /** |
| 28 | * Provides automated refactoring to prepend basic PHPDoc comments on classes missing them. |
| 29 | * This rule MUST adhere to AST standards and SHALL traverse `Class_` nodes exclusively. |
| 30 | */ |
| 31 | final class AddMissingClassPhpDocRector extends AbstractRector |
| 32 | { |
| 33 | /** |
| 34 | * Resolves the definition describing this rule for documentation generation. |
| 35 | * |
| 36 | * The method MUST return a properly instantiated RuleDefinition stating its purpose. |
| 37 | * |
| 38 | * @return RuleDefinition the description entity for the given Rector rule |
| 39 | */ |
| 40 | public function getRuleDefinition(): RuleDefinition |
| 41 | { |
| 42 | return new RuleDefinition('Add basic PHPDoc to classes without docblock', [ |
| 43 | new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample( |
| 44 | 'class SomeClass {}', |
| 45 | "/**\n * SomeClass\n */\nclass SomeClass {}" |
| 46 | ) |
| 47 | ]); |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Declares the types of Abstract Syntax Tree nodes that trigger this refactoring run. |
| 52 | * |
| 53 | * The method MUST identify `Class_` nodes reliably. It SHALL define the interception target. |
| 54 | * |
| 55 | * @return array<int, class-string<Node>> an array containing registered node class references |
| 56 | */ |
| 57 | public function getNodeTypes(): array |
| 58 | { |
| 59 | return [Class_::class]; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Triggers the modification process against a matched AST node. |
| 64 | * |
| 65 | * The method MUST verify the absence of an existing PHPDoc header accurately. |
| 66 | * It SHOULD append a basic boilerplate PHPDoc comment if applicable. |
| 67 | * If the node is unchanged, it SHALL return null. |
| 68 | * |
| 69 | * @param Node $node the current active syntax instance parsed by the framework |
| 70 | * |
| 71 | * @return Node|null the modified active syntax state, or null if untouched |
| 72 | */ |
| 73 | public function refactor(Node $node): ?Node |
| 74 | { |
| 75 | if (! $node instanceof Class_) { |
| 76 | return null; |
| 77 | } |
| 78 | |
| 79 | if ($node->getDocComment() instanceof Doc) { |
| 80 | return null; |
| 81 | } |
| 82 | |
| 83 | $className = $this->getName($node->name) ?? 'Class'; |
| 84 | $namespace = $node->namespacedName?->slice(0, -1) |
| 85 | ->toString() ?? ''; |
| 86 | |
| 87 | $lines = ['/**']; |
| 88 | $lines[] = \sprintf(' * %s', $className); |
| 89 | |
| 90 | if ('' !== $namespace) { |
| 91 | $lines[] = ' *'; |
| 92 | $lines[] = \sprintf(' * @package %s', $namespace); |
| 93 | } |
| 94 | |
| 95 | $lines[] = ' */'; |
| 96 | |
| 97 | $node->setDocComment(new Doc(implode("\n", $lines))); |
| 98 | |
| 99 | return $node; |
| 100 | } |
| 101 | } |