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| 1 | <?php |
| 2 | /** |
| 3 | * Node visitor to resolve class names in the docs. |
| 4 | * |
| 5 | * @package automattic/jetpack-stub-generator |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\StubGenerator\PhpDocParser; |
| 9 | |
| 10 | use PhpParser\Builder\Property as PropertyBuilder; |
| 11 | use PhpParser\NameContext; |
| 12 | use PhpParser\Node\Name; |
| 13 | use PHPStan\PhpDocParser\Ast\AbstractNodeVisitor; |
| 14 | use PHPStan\PhpDocParser\Ast\Node; |
| 15 | use PHPStan\PhpDocParser\Ast\Type\ArrayShapeItemNode; |
| 16 | use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode; |
| 17 | use PHPStan\PhpDocParser\Ast\Type\ObjectShapeItemNode; |
| 18 | use Symfony\Component\Console\Output\OutputInterface; |
| 19 | |
| 20 | /** |
| 21 | * Node visitor to resolve class names in the docs. |
| 22 | * |
| 23 | * The expectation here is that there's a \PhpParser\NodeVisitor which runs this over the phpdoc comment of each visited |
| 24 | * node, and that visitor is itself called after a \PhpParser\NodeVisitor\NameResolver that's using the same |
| 25 | * NameContext as was passed to this. |
| 26 | * |
| 27 | * If the NameContext is currently processing a non-empty namespace, then non-fully-qualified class names are rewritten |
| 28 | * to be either fully-qualified or relative to the NameContext's namespace rather than making use of any `use` aliases. |
| 29 | * |
| 30 | * The "relative to" bit semi-accidentally avoids mangling unrecognized class names, `@phan-type` aliases, and the like |
| 31 | * most of the time, since the NameContext will probably "resolve" them relative to the namespace then the relative-to |
| 32 | * transform will turn them back. |
| 33 | */ |
| 34 | class NameResolver extends AbstractNodeVisitor { |
| 35 | |
| 36 | /** |
| 37 | * OutputInterface. |
| 38 | * |
| 39 | * @var OutputInterface |
| 40 | */ |
| 41 | private $output; |
| 42 | |
| 43 | /** |
| 44 | * NameContext from the \PhpParser\NodeVisitor\NameResolver this is coordinating with. |
| 45 | * |
| 46 | * @var NameContext |
| 47 | */ |
| 48 | private $nameContext; |
| 49 | |
| 50 | /** |
| 51 | * Constructor. |
| 52 | * |
| 53 | * @param NameContext $nameContext NameContext from the \PhpParser\NodeVisitor\NameResolver this is coordinating with. |
| 54 | * @param OutputInterface $output OutputInterface. |
| 55 | */ |
| 56 | public function __construct( NameContext $nameContext, OutputInterface $output ) { |
| 57 | $this->nameContext = $nameContext; |
| 58 | $this->output = $output; |
| 59 | } |
| 60 | |
| 61 | // phpcs:ignore Squiz.Commenting.FunctionComment.Missing -- Inherited. |
| 62 | public function enterNode( Node $node ) { |
| 63 | // Flag array/object shape keys to not be resolved as class names. |
| 64 | if ( ( $node instanceof ArrayShapeItemNode || $node instanceof ObjectShapeItemNode ) && $node->keyName instanceof IdentifierTypeNode ) { |
| 65 | $node->keyName->setAttribute( 'not_a_class_name', true ); |
| 66 | } |
| 67 | |
| 68 | $ns = $this->nameContext->getNamespace(); |
| 69 | if ( $ns && $node instanceof IdentifierTypeNode && ! $node->getAttribute( 'not_a_class_name' ) ) { |
| 70 | $name = self::normalizeType( $node->name ); |
| 71 | if ( $name instanceof Name && ! $name->isFullyQualified() && ! $this->isSpecialName( $name->name ) ) { |
| 72 | $name = $this->nameContext->getResolvedClassName( $name ); |
| 73 | if ( strpos( strtolower( $name ), strtolower( $ns . '\\' ) ) === 0 ) { |
| 74 | $name = new Name( substr( $name, strlen( $ns ) + 1 ) ); |
| 75 | } |
| 76 | $node->name = $name->toCodeString(); |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Normalize a type string. |
| 83 | * |
| 84 | * Unfortunately PhpParser\BuilderHelpers is marked internal, so we have to |
| 85 | * hack around it instead. |
| 86 | * |
| 87 | * @param string $type Type. |
| 88 | * @return ?\PhpParser\Node Result. |
| 89 | */ |
| 90 | private static function normalizeType( string $type ) { |
| 91 | return ( new PropertyBuilder( 'dummy' ) )->setType( $type )->getNode()->type; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Guess whether a string seems to be a special name. |
| 96 | * |
| 97 | * @param string $name Name. |
| 98 | * @return bool |
| 99 | */ |
| 100 | public function isSpecialName( string $name ): bool { |
| 101 | return in_array( |
| 102 | $name, |
| 103 | array( |
| 104 | 'associative-array', |
| 105 | 'callable-array', |
| 106 | 'callable-object', |
| 107 | 'callable-string', |
| 108 | 'class-string', |
| 109 | 'list', |
| 110 | 'non-empty-array', |
| 111 | 'non-empty-associative-array', |
| 112 | 'non-empty-list', |
| 113 | 'resource', |
| 114 | ), |
| 115 | true |
| 116 | ); |
| 117 | } |
| 118 | } |