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Diffstat (limited to 'vendor/ramsey/collection/src/Map/AbstractMap.php')
| -rw-r--r-- | vendor/ramsey/collection/src/Map/AbstractMap.php | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/vendor/ramsey/collection/src/Map/AbstractMap.php b/vendor/ramsey/collection/src/Map/AbstractMap.php new file mode 100644 index 000000000..6b2e97a08 --- /dev/null +++ b/vendor/ramsey/collection/src/Map/AbstractMap.php @@ -0,0 +1,226 @@ +<?php + +/** + * This file is part of the ramsey/collection library + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + * + * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> + * @license http://opensource.org/licenses/MIT MIT + */ + +declare(strict_types=1); + +namespace Ramsey\Collection\Map; + +use Ramsey\Collection\AbstractArray; +use Ramsey\Collection\Exception\InvalidArgumentException; + +use function array_key_exists; +use function array_keys; +use function in_array; + +/** + * This class provides a basic implementation of `MapInterface`, to minimize the + * effort required to implement this interface. + */ +abstract class AbstractMap extends AbstractArray implements MapInterface +{ + /** + * Sets the given value to the given offset in the map. + * + * @param mixed $offset The offset to set. + * @param mixed $value The value to set at the given offset. + * + * @throws InvalidArgumentException if the offset provided is `null`. + */ + public function offsetSet($offset, $value): void + { + if ($offset === null) { + throw new InvalidArgumentException( + 'Map elements are key/value pairs; a key must be provided for ' + . 'value ' . $value + ); + } + + $this->data[$offset] = $value; + } + + /** + * Returns `true` if this map contains a mapping for the specified key. + * + * @param mixed $key The key to check in the map. + */ + public function containsKey($key): bool + { + return array_key_exists($key, $this->data); + } + + /** + * Returns `true` if this map maps one or more keys to the specified value. + * + * This performs a strict type check on the value. + * + * @param mixed $value The value to check in the map. + */ + public function containsValue($value): bool + { + return in_array($value, $this->data, true); + } + + /** + * Return an array of the keys contained in this map. + * + * @return mixed[] + */ + public function keys(): array + { + return array_keys($this->data); + } + + /** + * Returns the value to which the specified key is mapped, `null` if this + * map contains no mapping for the key, or (optionally) `$defaultValue` if + * this map contains no mapping for the key. + * + * @param mixed $key The key to return from the map. + * @param mixed $defaultValue The default value to use if `$key` is not found. + * + * @return mixed|null the value or `null` if the key could not be found. + */ + public function get($key, $defaultValue = null) + { + if (!$this->containsKey($key)) { + return $defaultValue; + } + + return $this[$key]; + } + + /** + * Associates the specified value with the specified key in this map. + * + * If the map previously contained a mapping for the key, the old value is + * replaced by the specified value. + * + * @param mixed $key The key to put or replace in the map. + * @param mixed $value The value to store at `$key`. + * + * @return mixed|null the previous value associated with key, or `null` if + * there was no mapping for `$key`. + */ + public function put($key, $value) + { + $previousValue = $this->get($key); + $this[$key] = $value; + + return $previousValue; + } + + /** + * Associates the specified value with the specified key in this map only if + * it is not already set. + * + * If there is already a value associated with `$key`, this returns that + * value without replacing it. + * + * @param mixed $key The key to put in the map. + * @param mixed $value The value to store at `$key`. + * + * @return mixed|null the previous value associated with key, or `null` if + * there was no mapping for `$key`. + */ + public function putIfAbsent($key, $value) + { + $currentValue = $this->get($key); + + if ($currentValue === null) { + $this[$key] = $value; + } + + return $currentValue; + } + + /** + * Removes the mapping for a key from this map if it is present. + * + * @param mixed $key The key to remove from the map. + * + * @return mixed|null the previous value associated with key, or `null` if + * there was no mapping for `$key`. + */ + public function remove($key) + { + $previousValue = $this->get($key); + unset($this[$key]); + + return $previousValue; + } + + /** + * Removes the entry for the specified key only if it is currently mapped to + * the specified value. + * + * This performs a strict type check on the value. + * + * @param mixed $key The key to remove from the map. + * @param mixed $value The value to match. + * + * @return bool true if the value was removed. + */ + public function removeIf($key, $value): bool + { + if ($this->get($key) === $value) { + unset($this[$key]); + + return true; + } + + return false; + } + + /** + * Replaces the entry for the specified key only if it is currently mapped + * to some value. + * + * @param mixed $key The key to replace. + * @param mixed $value The value to set at `$key`. + * + * @return mixed|null the previous value associated with key, or `null` if + * there was no mapping for `$key`. + */ + public function replace($key, $value) + { + $currentValue = $this->get($key); + + if ($this->containsKey($key)) { + $this[$key] = $value; + } + + return $currentValue; + } + + /** + * Replaces the entry for the specified key only if currently mapped to the + * specified value. + * + * This performs a strict type check on the value. + * + * @param mixed $key The key to remove from the map. + * @param mixed $oldValue The value to match. + * @param mixed $newValue The value to use as a replacement. + * + * @return bool true if the value was replaced. + */ + public function replaceIf($key, $oldValue, $newValue): bool + { + if ($this->get($key) === $oldValue) { + $this[$key] = $newValue; + + return true; + } + + return false; + } +} |