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<?php namespace Mbh\Collection\Traits; |
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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 Iterator; |
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use SplHeap; |
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use UnderflowException; |
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use OutOfRangeException; |
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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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trait Sequenceable |
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{ |
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/** |
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* Build from an array |
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* |
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* @return SequenceableInterface |
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*/ |
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abstract public static function fromArray(array $array); |
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/** |
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* Factory for building FixedArrays from any traversable |
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* |
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* @return SequenceableInterface |
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*/ |
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abstract public static function fromItems(Traversable $array); |
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/** |
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* Determines whether the sequence contains all of zero or more values. |
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* |
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* @param mixed ...$values |
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* |
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* @return bool true if at least one value was provided and the sequence |
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* contains all given values, false otherwise. |
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*/ |
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public function contains(...$values): bool |
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{ |
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foreach ($values as &$value) { |
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if ($this->search($value) !== null) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Returns a shallow copy of the collection. |
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* |
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* @return Collection a copy of the collection. |
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*/ |
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public function copy() |
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{ |
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return static::fromArray($this->toArray()); |
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} |
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/** |
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* Returns the first value in the sequence. |
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* |
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* @return mixed |
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* |
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* @throws UnderflowException if the sequence is empty. |
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*/ |
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abstract public function first(); |
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/** |
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* Returns the value at a given index (position) in the sequence. |
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* |
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* @param int $index |
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* |
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* @return mixed |
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* |
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* @throws OutOfRangeException if the index is not in the range [0, size-1] |
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*/ |
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abstract public function get(int $index); |
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/** |
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* Inserts zero or more values at a given index. |
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* |
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* Each value after the index will be moved one position to the right. |
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* Values may be inserted at an index equal to the size of the sequence. |
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* |
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* @param int $index |
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* @param mixed ...$values |
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* |
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* @throws OutOfRangeException if the index is not in the range [0, n] |
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*/ |
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abstract public function insert(int $index, ...$values); |
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/** |
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* Returns the last value in the sequence. |
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* |
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* @return mixed |
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* |
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* @throws UnderflowException if the sequence is empty. |
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*/ |
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abstract public function last(); |
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/** |
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* Removes the last value in the sequence, and returns it. |
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* |
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* @return mixed what was the last value in the sequence. |
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* |
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* @throws UnderflowException if the sequence is empty. |
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*/ |
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abstract public function pop(); |
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/** |
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* Adds zero or more values to the end of the sequence. |
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* |
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* @param mixed ...$values |
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*/ |
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abstract public function push(...$values); |
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/** |
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* Removes and returns the value at a given index in the sequence. |
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* |
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* @param int $index this index to remove. |
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* |
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* @return mixed the removed value. |
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* |
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* @throws OutOfRangeException if the index is not in the range [0, size-1] |
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*/ |
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abstract public function remove(int $index); |
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/** |
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* Find a single element key |
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* |
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* @param mixed $value The value to search |
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* @return mixed The key for the element we found |
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*/ |
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abstract public function search($value); |
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/** |
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* Replaces the value at a given index in the sequence with a new value. |
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* |
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* @param int $index |
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* @param mixed $value |
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* |
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* @throws OutOfRangeException if the index is not in the range [0, size-1] |
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*/ |
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abstract public function set(int $index, $value); |
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/** |
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* Removes and returns the first value in the sequence. |
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* |
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* @return mixed what was the first value in the sequence. |
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* |
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* @throws UnderflowException if the sequence was empty. |
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*/ |
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abstract public function shift(); |
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/** |
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* @inheritDoc |
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*/ |
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public function unserialize($values) |
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{ |
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$values = unserialize($values); |
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$this->setValues(SplFixedArray::fromArray($values)); |
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} |
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/** |
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* Adds zero or more values to the front of the sequence. |
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* |
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* @param mixed ...$values |
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*/ |
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abstract public function unshift(...$values); |
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} |
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