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<?php |
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declare(strict_types=1); |
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namespace Oxidmod\TypedCollections\SimpleCollection; |
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abstract class AbstractCollection implements \Countable, \IteratorAggregate, \ArrayAccess |
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{ |
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private \Closure $typeChecker; |
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protected array $items = []; |
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public function __construct(\Closure $typeChecker, array $items = []) |
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{ |
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$this->typeChecker = $typeChecker; |
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foreach ($items as $k => $v) { |
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$this->assertType($v); |
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$this->items[$k] = $v; |
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} |
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} |
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public function getIterator(): \Traversable |
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{ |
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return new \ArrayIterator($this->items); |
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} |
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public function offsetExists($offset): bool |
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{ |
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return array_key_exists($offset, $this->items); |
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} |
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public function offsetSet($offset, $value): void |
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{ |
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$this->assertType($value); |
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null === $offset ? $this->items[] = $value : $this->items[$offset] = $value; |
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} |
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public function offsetUnset($offset): void |
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{ |
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if (array_key_exists($offset, $this->items)) { |
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unset($this->items[$offset]); |
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} |
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} |
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public function count(): int |
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{ |
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return count($this->items); |
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} |
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private function assertType($value): void |
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{ |
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if (!$this->typeChecker->call($this, $value)) { |
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throw new \InvalidArgumentException( |
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sprintf('Value of type "%s" is not allowed for "%s"', $this->getValueType($value), static::class) |
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); |
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} |
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} |
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private function getValueType($value): string |
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{ |
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if (is_object($value)) { |
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return get_class($value); |
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} |
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return gettype($value); |
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} |
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} |
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oxidmod /
typed-collections
