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<?php |
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declare(strict_types=1); |
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namespace Shapin\Datagen; |
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use Shapin\Datagen\Exception\DuplicateReferenceException; |
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use Shapin\Datagen\Exception\UnknownReferenceException; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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class ReferenceManager |
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{ |
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private $references; |
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public function __construct() |
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{ |
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$this->references = new \ArrayObject([], \ArrayObject::ARRAY_AS_PROPS); |
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} |
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public function add(string $fixture, string $name, array $data): void |
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{ |
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if (!array_key_exists($fixture, $this->references)) { |
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$this->references[$fixture] = new \ArrayObject([], \ArrayObject::ARRAY_AS_PROPS); |
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} |
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if (array_key_exists($name, $this->references[$fixture])) { |
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throw new DuplicateReferenceException($fixture, $name); |
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} |
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if (!is_object($data)) { |
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$data = new \ArrayObject($data, \ArrayObject::ARRAY_AS_PROPS); |
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} |
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$this->references[$fixture][$name] = $data; |
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} |
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public function get(string $fixture, string $name) |
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{ |
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if (!isset($this->references[$fixture][$name])) { |
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throw new UnknownReferenceException($fixture, $name); |
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} |
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return $this->references[$fixture][$name]; |
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} |
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public function findAndReplace(array $data): array |
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{ |
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$keys = array_keys($data); |
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for ($i = 0; $i < count($data); ++$i) { |
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$value = $data[$keys[$i]]; |
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if (is_string($value) && $this->isReference($value)) { |
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$data[$keys[$i]] = $this->resolveReference($value); |
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} |
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} |
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return $data; |
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} |
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private function isReference(string $value): bool |
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{ |
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return 'REF:' === substr($value, 0, 4); |
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} |
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private function resolveReference(string $value) |
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{ |
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$propertyAccessor = PropertyAccess::createPropertyAccessor(); |
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$parts = explode(':', $value); |
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$ref = $parts[1]; |
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return $propertyAccessor->getValue($this->references, $ref); |
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} |
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} |
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shapintv /
datagen
If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: