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- <?php
-
-
-
-
- class PHPExcel_HashTable
- {
-
-
- public $_items = array();
-
-
-
- public $_keyMap = array();
-
-
-
- public function __construct($pSource = null)
- {
- if ($pSource !== NULL) {
-
- $this->addFromSource($pSource);
- }
- }
-
-
-
- public function addFromSource($pSource = null) {
-
- if ($pSource == null) {
- return;
- } else if (!is_array($pSource)) {
- throw new PHPExcel_Exception('Invalid array parameter passed.');
- }
-
- foreach ($pSource as $item) {
- $this->add($item);
- }
- }
-
-
-
- public function add(PHPExcel_IComparable $pSource = null) {
- $hash = $pSource->getHashCode();
- if (!isset($this->_items[$hash])) {
- $this->_items[$hash] = $pSource;
- $this->_keyMap[count($this->_items) - 1] = $hash;
- }
- }
-
-
-
- public function remove(PHPExcel_IComparable $pSource = null) {
- $hash = $pSource->getHashCode();
- if (isset($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]);
- }
- }
-
-
-
- public function clear() {
- $this->_items = array();
- $this->_keyMap = array();
- }
-
-
-
- public function count() {
- return count($this->_items);
- }
-
-
-
- public function getIndexForHashCode($pHashCode = '') {
- return array_search($pHashCode, $this->_keyMap);
- }
-
-
-
- public function getByIndex($pIndex = 0) {
- if (isset($this->_keyMap[$pIndex])) {
- return $this->getByHashCode( $this->_keyMap[$pIndex] );
- }
-
- return null;
- }
-
-
-
- public function getByHashCode($pHashCode = '') {
- if (isset($this->_items[$pHashCode])) {
- return $this->_items[$pHashCode];
- }
-
- return null;
- }
-
-
-
- public function toArray() {
- return $this->_items;
- }
-
-
-
- public function __clone() {
- $vars = get_object_vars($this);
- foreach ($vars as $key => $value) {
- if (is_object($value)) {
- $this->$key = clone $value;
- }
- }
- }
- }
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