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<?php |
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declare(strict_types=1); |
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namespace Remorhaz\JSON\Pointer\Query; |
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use Remorhaz\JSON\Data\Value\ArrayValueInterface; |
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use Remorhaz\JSON\Data\Value\NodeValueInterface; |
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use Remorhaz\JSON\Data\Value\ObjectValueInterface; |
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use Remorhaz\JSON\Data\Value\ScalarValueInterface; |
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use Remorhaz\JSON\Pointer\Locator\IndexReferenceInterface; |
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use Remorhaz\JSON\Pointer\Locator\LocatorInterface; |
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use Remorhaz\JSON\Pointer\Locator\NextIndexReferenceInterface; |
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final class Query implements QueryInterface |
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{ |
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private $source; |
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private $locator; |
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public function __construct(string $source, LocatorInterface $locator) |
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{ |
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$this->source = $source; |
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$this->locator = $locator; |
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} |
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public function __invoke(NodeValueInterface $rootNode): QueryResultInterface |
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{ |
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$node = $rootNode; |
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$parentNode = null; |
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$lastReference = null; |
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foreach ($this->locator->references() as $listedReference) { |
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if ($listedReference->isLast()) { |
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$lastReference = $listedReference->getReference(); |
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} |
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if ($node instanceof ScalarValueInterface) { |
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return new QueryResult($this->source); |
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} |
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if ($node instanceof ArrayValueInterface) { |
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$reference = $listedReference->getReference(); |
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switch (true) { |
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case $reference instanceof IndexReferenceInterface: |
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$key = $reference->getElementIndex(); |
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break; |
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case $reference instanceof NextIndexReferenceInterface: |
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$key = null; |
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break; |
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default: |
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return new QueryResult($this->source); |
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} |
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$lastIndex = null; |
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foreach ($node->createChildIterator() as $index => $element) { |
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$lastIndex = $index; |
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if ($index === $key) { |
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$parentNode = $node; |
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$node = $element; |
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continue 2; |
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} |
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} |
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if (isset($key) && $key != $lastIndex + 1) { |
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return new QueryResult($this->source); |
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} |
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return new QueryResult( |
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$this->source, |
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null, |
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$listedReference->isLast() ? $node : null, |
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$lastReference, |
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); |
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} |
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if ($node instanceof ObjectValueInterface) { |
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$key = $listedReference->getReference()->getPropertyName(); |
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foreach ($node->createChildIterator() as $name => $property) { |
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if ($name == $key) { |
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$parentNode = $node; |
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$node = $property; |
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continue 2; |
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} |
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} |
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return new QueryResult( |
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$this->source, |
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null, |
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$listedReference->isLast() ? $node : null, |
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$lastReference, |
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); |
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} |
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} |
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return new QueryResult($this->source, $node, $parentNode, $lastReference); |
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} |
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1 |
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public function getSource(): string |
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{ |
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return $this->source; |
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} |
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} |
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remorhaz /
php-json-pointer
