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<?php namespace Mbh\Collection; |
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/** |
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* MBHFramework |
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* |
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* @link https://github.com/MBHFramework/mbh-framework |
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* @copyright Copyright (c) 2017 Ulises Jeremias Cornejo Fandos |
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* @license https://github.com/MBHFramework/mbh-framework/blob/master/LICENSE (MIT License) |
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*/ |
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use Mbh\Collection\Interfaces\Collection as CollectionInterface; |
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use Mbh\Collection\Interfaces\Hashable as HashableInterface; |
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use Mbh\Collection\Interfaces\Sequenceable as SequenceableInterface; |
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use Traversable; |
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use ArrayAccess; |
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use IteratorAggregate; |
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use OutOfBoundsException; |
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use OutOfRangeException; |
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/** |
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* A Map is a sequential collection of key-value pairs, almost identical to an |
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* array used in a similar context. Keys can be any type, but must be unique. |
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* |
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* @package structures |
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* @author Ulises Jeremias Cornejo Fandos <[email protected]> |
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*/ |
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class Set implements ArrayAccess, CollectionInterface, IteratorAggregate |
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{ |
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use Traits\Collection; |
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use Traits\Functional; |
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use Traits\SquaredCapacity; |
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const MIN_CAPACITY = 8.0; |
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/** |
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* @var FixedArray internal array to store pairs |
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*/ |
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private $pairs; |
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/** |
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* Creates a new instance. |
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* |
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* @param array|Traversable $pairs |
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*/ |
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public function __construct($pairs = []) |
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{ |
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FixedArray::fromArray([]); |
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$this->pushAll($pairs); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clear() |
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{ |
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$this->pairs->clear(); |
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$this->capacity = self::MIN_CAPACITY; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function count(): int |
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{ |
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return count($this->pairs); |
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} |
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/** |
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* Returns whether an association a given key exists. |
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* |
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* @param mixed $key |
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* |
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* @return bool |
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*/ |
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public function hasKey($key): bool |
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{ |
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return $this->lookupKey($key) !== null; |
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} |
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/** |
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* Returns whether an association for a given value exists. |
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* |
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* @param mixed $value |
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* |
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* @return bool |
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*/ |
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public function hasValue($value): bool |
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{ |
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return $this->lookupValue($value) !== null; |
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} |
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/** |
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* Returns a set of all the keys in the map. |
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* |
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* @return Set |
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*/ |
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public function keys(): Set |
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{ |
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return new static($this->pairs->map(function ($pair) { |
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return $pair->key; |
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})); |
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} |
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/** |
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* Determines whether two keys are equal. |
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* |
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* @param mixed $a |
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* @param mixed $b |
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* |
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* @return bool |
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*/ |
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private function keysAreEqual($a, $b): bool |
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{ |
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if (is_object($a) && $a instanceof HashableInterface) { |
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return get_class($a) === get_class($b) && $a->equals($b); |
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} |
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return $a === $b; |
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} |
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/** |
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* Attempts to look up a key in the table. |
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* |
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* @param $key |
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* |
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* @return Pair|null |
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*/ |
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private function lookupKey($key) |
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{ |
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foreach ($this->pairs as $pair) { |
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if ($this->keysAreEqual($pair->key, $key)) { |
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return $pair; |
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} |
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} |
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} |
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/** |
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* Attempts to look up a key in the table. |
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* |
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* @param $value |
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* |
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* @return Pair|null |
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*/ |
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private function lookupValue($value) |
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{ |
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foreach ($this->pairs as $pair) { |
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if ($pair->value === $value) { |
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return $pair; |
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} |
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} |
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} |
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/** |
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* Associates a key with a value, replacing a previous association if there |
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* was one. |
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* |
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* @param mixed $key |
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* @param mixed $value |
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*/ |
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public function put($key, $value) |
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{ |
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$pair = $this->lookupKey($key); |
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if ($pair) { |
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$pair->value = $value; |
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} else { |
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$this->checkCapacity(); |
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$this->pairs[] = new Pair($key, $value); |
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} |
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} |
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/** |
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* Creates associations for all keys and corresponding values of either an |
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* array or iterable object. |
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* |
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* @param Traversable|array $values |
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*/ |
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public function putAll($values) |
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{ |
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foreach ($values as $key => $value) { |
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$this->put($key, $value); |
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} |
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} |
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/** |
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* Returns a sequence of all the associated values in the Map. |
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* |
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* @return SequenceInterface |
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*/ |
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public function values(): SequenceInterface |
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{ |
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return $this->pairs->map(function ($pair) { |
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return $pair->key; |
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}); |
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} |
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} |
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.