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<?php |
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namespace Daikon\DataStructure; |
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use Ds\Map; |
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trait TypedMapTrait |
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{ |
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private $compositeMap; |
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private $itemFqcn; |
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public function has(string $key): bool |
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{ |
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return $this->compositeMap->hasKey($key); |
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} |
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public function get(string $key) |
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{ |
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return $this->compositeMap->get($key); |
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} |
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public function set($key, $item): self |
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{ |
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$this->assertItemType($item); |
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$copy = clone $this; |
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$copy->compositeMap->put($key, $item); |
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return $copy; |
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} |
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public function count(): int |
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{ |
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return count($this->compositeMap); |
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} |
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public function toArray(): array |
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{ |
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return $this->compositeMap->toArray(); |
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} |
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public function isEmpty(): bool |
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{ |
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return $this->compositeMap->isEmpty(); |
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} |
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public function getIterator(): \Iterator |
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{ |
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return $this->compositeMap->getIterator(); |
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} |
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public function getItemFqcn() |
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{ |
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return $this->itemFqcn; |
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} |
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public function __get(string $key) |
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{ |
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return $this->get($key); |
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} |
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private function init(array $items, string $itemFqcn) |
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{ |
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$this->itemFqcn = $itemFqcn; |
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foreach ($items as $key => $item) { |
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$this->assertItemKey($key); |
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$this->assertItemType($item); |
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} |
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$this->compositeMap = new Map($items); |
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} |
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View Code Duplication |
private function assertItemKey($key) |
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{ |
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if (!is_string($key)) { |
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throw new \Exception(sprintf( |
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'Invalid item-key given to %s. Expected string but was given %s', |
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static::CLASS, |
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is_object($key) ? get_class($key) : @gettype($key) |
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)); |
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} |
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} |
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View Code Duplication |
private function assertItemType($item) |
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{ |
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if (!is_a($item, $this->itemFqcn)) { |
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throw new \Exception(sprintf( |
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'Invalid item-type given to %s. Expected %s but was given %s', |
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static::CLASS, |
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$this->itemFqcn, |
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is_object($item) ? get_class($item) : @gettype($item) |
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)); |
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} |
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} |
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public function __clone() |
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{ |
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$this->compositeMap = new Map($this->compositeMap->toArray()); |
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} |
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} |
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