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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the box project. |
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* |
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* (c) Kevin Herrera <[email protected]> |
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* Théo Fidry <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace KevinGH\Box\Annotation; |
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use Assert\Assertion; |
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use Hoa\Compiler\Llk\TreeNode; |
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use function array_filter; |
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use function array_map; |
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use function array_shift; |
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use function array_values; |
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use function implode; |
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use function in_array; |
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use function sprintf; |
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use function strtolower; |
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/** |
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* @private |
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*/ |
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final class AnnotationDumper |
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{ |
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/** |
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* Dumps the list of annotations from the given tree. |
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* |
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* @param string[] $ignored List of annotations to ignore |
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* |
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* @throws InvalidToken |
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* |
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* @return string[] |
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*/ |
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public function dump(TreeNode $node, array $ignored): array |
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{ |
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Assertion::allString($ignored); |
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$ignored = array_map('strtolower', $ignored); |
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if ('#annotations' !== $node->getId()) { |
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return []; |
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} |
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return array_values( |
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array_filter( |
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$this->transformNodesToString( |
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$node->getChildren(), |
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$ignored |
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) |
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) |
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); |
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} |
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/** |
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* @param TreeNode $nodes |
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* @param string[] $ignored |
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* |
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* @return (string|null)[] |
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*/ |
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private function transformNodesToString(array $nodes, array $ignored): array |
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{ |
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return array_map( |
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function (TreeNode $node) use ($ignored): ?string { |
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return $this->transformNodeToString($node, $ignored); |
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}, |
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$nodes |
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); |
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} |
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/** |
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* @param string[] $ignored |
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*/ |
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private function transformNodeToString(TreeNode $node, array $ignored): ?string |
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{ |
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switch ($node->getId()) { |
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case '#annotation': |
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Assertion::greaterOrEqualThan($node->getChildrenNumber(), 1); |
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$children = $node->getChildren(); |
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/** @var TreeNode $token */ |
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$token = array_shift($children); |
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$parameters = array_values($children); |
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if ('simple_identifier' === $token->getValueToken()) { |
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Assertion::count($parameters, 0); |
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$tokenValue = $token->getValueValue(); |
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return in_array(strtolower($tokenValue), $ignored, true) ? null : '@'.$tokenValue; |
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} |
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if ('valued_identifier' === $token->getValueToken()) { |
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$transformedChildren = $this->transformNodesToString( |
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$parameters, |
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$ignored |
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); |
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return sprintf( |
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'@%s(%s)', |
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$token->getValueValue(), |
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implode( |
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'', |
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$transformedChildren |
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) |
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); |
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} |
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throw InvalidToken::createForUnknownType($token); |
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case 'token': |
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if (in_array($node->getValueToken(), ['identifier', 'simple_identifier', 'integer', 'float', 'boolean', 'identifier_ns', 'null'], true)) { |
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return $node->getValueValue(); |
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} |
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if ('string' === $node->getValueToken()) { |
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return sprintf('"%s"', $node->getValueValue()); |
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} |
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if ('valued_identifier' === $node->getValueToken()) { |
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return sprintf('%s()', $node->getValueValue()); |
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} |
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throw InvalidToken::createForUnknownType($node); |
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case '#parameters': |
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$transformedChildren = $this->transformNodesToString( |
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$node->getChildren(), |
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$ignored |
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); |
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return implode(',', $transformedChildren); |
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case '#named_parameter': |
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case '#pair_equal': |
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case '#pair_colon': |
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Assertion::same($node->getChildrenNumber(), 2); |
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$name = $node->getChild(0); |
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$parameter = $node->getChild(1); |
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return sprintf( |
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'%s%s%s', |
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$this->transformNodeToString($name, $ignored), |
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'#pair_colon' === $node->getId() ? ':' : '=', |
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$this->transformNodeToString($parameter, $ignored) |
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); |
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case '#value': |
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Assertion::same($node->getChildrenNumber(), 1); |
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return $this->transformNodeToString($node->getChild(0), $ignored); |
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case '#string': |
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Assertion::lessOrEqualThan($node->getChildrenNumber(), 1); |
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return 1 === $node->getChildrenNumber() ? $this->transformNodeToString($node->getChild(0), $ignored) : '""'; |
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case '#list': |
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case '#map': |
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$transformedChildren = $this->transformNodesToString( |
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$node->getChildren(), |
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$ignored |
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); |
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return sprintf( |
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'{%s}', |
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implode( |
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',', |
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$transformedChildren |
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) |
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); |
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case '#unnamed_parameter': |
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case '#reference': |
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Assertion::same($node->getChildrenNumber(), 1); |
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return $this->transformNodeToString($node->getChild(0), $ignored); |
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case '#constant': |
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Assertion::same($node->getChildrenNumber(), 2); |
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return sprintf( |
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'%s::%s', |
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$this->transformNodeToString($node->getChild(0), $ignored), |
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$this->transformNodeToString($node->getChild(1), $ignored) |
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); |
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} |
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throw InvalidToken::createForUnknownId($node); |
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} |
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} |
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humbug /
box
