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<?php |
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declare(strict_types=1); |
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namespace Remorhaz\JSON\Path\Processor\Mutator; |
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use Generator; |
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use Iterator; |
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use Remorhaz\JSON\Data\Event\AfterElementEventInterface; |
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use Remorhaz\JSON\Data\Event\AfterPropertyEventInterface; |
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use Remorhaz\JSON\Data\Event\BeforeArrayEventInterface; |
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use Remorhaz\JSON\Data\Event\BeforeElementEventInterface; |
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use Remorhaz\JSON\Data\Event\BeforeObjectEventInterface; |
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use Remorhaz\JSON\Data\Event\BeforePropertyEventInterface; |
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use Remorhaz\JSON\Data\Event\EventInterface; |
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use Remorhaz\JSON\Data\Event\ScalarEventInterface; |
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use Remorhaz\JSON\Data\Event\ValueWalkerInterface; |
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use Remorhaz\JSON\Data\Path\PathInterface; |
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use Remorhaz\JSON\Data\Value\NodeValueInterface; |
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use function array_reverse; |
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use function count; |
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final class ReplaceMutation implements MutationInterface |
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{ |
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private $valueWalker; |
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private $newNode; |
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private $paths; |
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public function __construct(ValueWalkerInterface $valueWalker, NodeValueInterface $newNode, PathInterface ...$paths) |
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{ |
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$this->valueWalker = $valueWalker; |
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$this->newNode = $newNode; |
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$this->paths = $this->getNonNestedPaths(...$paths); |
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} |
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private function getNonNestedPaths(PathInterface ...$paths): array |
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{ |
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foreach ($this->createPathPairIterator(...$paths) as $pathPair) { |
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[$parentPath, $nestedPath] = $pathPair; |
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if ($parentPath->contains($nestedPath)) { |
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throw new Exception\ReplaceAtNestedPathsException($parentPath, $nestedPath); |
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} |
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} |
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return $paths; |
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} |
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/** |
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* @param PathInterface ...$paths |
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* @return Generator|PathInterface[][] |
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*/ |
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private function createPathPairIterator(PathInterface ...$paths): Generator |
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{ |
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$pathsCount = count($paths); |
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for ($i = 0; $i < $pathsCount; $i++) { |
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for ($j = $i + 1; $j < $pathsCount; $j++) { |
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$pathPair = [$paths[$i], $paths[$j]]; |
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yield $pathPair; |
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yield array_reverse($pathPair); |
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} |
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} |
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} |
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public function __invoke(EventInterface $event): Iterator |
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{ |
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return $this->createEventGenerator($event); |
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} |
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private function createEventGenerator(EventInterface $event): Generator |
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{ |
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foreach ($this->paths as $path) { |
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if ($path->equals($event->getPath())) { |
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yield from $this->createReplaceEventGenerator($event); |
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return; |
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} |
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if ($path->contains($event->getPath())) { |
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return; |
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} |
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} |
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yield $event; |
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} |
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private function createReplaceEventGenerator(EventInterface $event): Generator |
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{ |
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switch (true) { |
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case $event instanceof BeforeElementEventInterface: |
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case $event instanceof BeforePropertyEventInterface: |
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case $event instanceof AfterElementEventInterface: |
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case $event instanceof AfterPropertyEventInterface: |
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yield $event; |
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break; |
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case $event instanceof ScalarEventInterface: |
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case $event instanceof BeforeArrayEventInterface: |
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case $event instanceof BeforeObjectEventInterface: |
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yield from $this |
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->valueWalker |
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->createEventIterator($this->newNode, $event->getPath()); |
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break; |
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} |
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} |
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} |
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remorhaz /
php-json-path
