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Direktori : /home2/selectio/www/fms-worksuite/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/ |
Current File : /home2/selectio/www/fms-worksuite/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/HashTable.php |
<?php namespace PhpOffice\PhpSpreadsheet; /** * @template T of IComparable */ class HashTable { /** * HashTable elements. * * @var array<string, T> */ protected $items = []; /** * HashTable key map. * * @var array<int, string> */ protected $keyMap = []; /** * Create a new HashTable. * * @param T[] $source Optional source array to create HashTable from */ public function __construct($source = null) { if ($source !== null) { // Create HashTable $this->addFromSource($source); } } /** * Add HashTable items from source. * * @param T[] $source Source array to create HashTable from */ public function addFromSource(?array $source = null): void { // Check if an array was passed if ($source === null) { return; } foreach ($source as $item) { $this->add($item); } } /** * Add HashTable item. * * @param T $source Item to add */ public function add(IComparable $source): void { $hash = $source->getHashCode(); if (!isset($this->items[$hash])) { $this->items[$hash] = $source; $this->keyMap[count($this->items) - 1] = $hash; } } /** * Remove HashTable item. * * @param T $source Item to remove */ public function remove(IComparable $source): void { $hash = $source->getHashCode(); if (isset($this->items[$hash])) { unset($this->items[$hash]); $deleteKey = -1; foreach ($this->keyMap as $key => $value) { if ($deleteKey >= 0) { $this->keyMap[$key - 1] = $value; } if ($value == $hash) { $deleteKey = $key; } } unset($this->keyMap[count($this->keyMap) - 1]); } } /** * Clear HashTable. */ public function clear(): void { $this->items = []; $this->keyMap = []; } /** * Count. * * @return int */ public function count() { return count($this->items); } /** * Get index for hash code. * * @return false|int Index */ public function getIndexForHashCode(string $hashCode) { // Scrutinizer thinks the following could return string. It is wrong. return array_search($hashCode, $this->keyMap, true); } /** * Get by index. * * @return null|T */ public function getByIndex(int $index) { if (isset($this->keyMap[$index])) { return $this->getByHashCode($this->keyMap[$index]); } return null; } /** * Get by hashcode. * * @return null|T */ public function getByHashCode(string $hashCode) { if (isset($this->items[$hashCode])) { return $this->items[$hashCode]; } return null; } /** * HashTable to array. * * @return T[] */ public function toArray() { return $this->items; } /** * Implement PHP __clone to create a deep clone, not just a shallow copy. */ public function __clone() { $vars = get_object_vars($this); foreach ($vars as $key => $value) { // each member of this class is an array if (is_array($value)) { $array1 = $value; foreach ($array1 as $key1 => $value1) { if (is_object($value1)) { $array1[$key1] = clone $value1; } } $this->$key = $array1; } } } }