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Diffstat (limited to 'admin/survey/excel/PHPExcel/HashTable.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/HashTable.php | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/HashTable.php b/admin/survey/excel/PHPExcel/HashTable.php new file mode 100644 index 0000000..6011ed5 --- /dev/null +++ b/admin/survey/excel/PHPExcel/HashTable.php @@ -0,0 +1,202 @@ +<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2012 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category PHPExcel
+ * @package PHPExcel
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
+ * @version 1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_HashTable
+ *
+ * @category PHPExcel
+ * @package PHPExcel
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_HashTable
+{
+ /**
+ * HashTable elements
+ *
+ * @var array
+ */
+ public $_items = array();
+
+ /**
+ * HashTable key map
+ *
+ * @var array
+ */
+ public $_keyMap = array();
+
+ /**
+ * Create a new PHPExcel_HashTable
+ *
+ * @param PHPExcel_IComparable[] $pSource Optional source array to create HashTable from
+ * @throws Exception
+ */
+ public function __construct($pSource = null)
+ {
+ if ($pSource !== NULL) {
+ // Create HashTable
+ $this->addFromSource($pSource);
+ }
+ }
+
+ /**
+ * Add HashTable items from source
+ *
+ * @param PHPExcel_IComparable[] $pSource Source array to create HashTable from
+ * @throws Exception
+ */
+ public function addFromSource($pSource = null) {
+ // Check if an array was passed
+ if ($pSource == null) {
+ return;
+ } else if (!is_array($pSource)) {
+ throw new Exception('Invalid array parameter passed.');
+ }
+
+ foreach ($pSource as $item) {
+ $this->add($item);
+ }
+ }
+
+ /**
+ * Add HashTable item
+ *
+ * @param PHPExcel_IComparable $pSource Item to add
+ * @throws Exception
+ */
+ 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;
+ }
+ }
+
+ /**
+ * Remove HashTable item
+ *
+ * @param PHPExcel_IComparable $pSource Item to remove
+ * @throws Exception
+ */
+ 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]);
+ }
+ }
+
+ /**
+ * Clear HashTable
+ *
+ */
+ public function clear() {
+ $this->_items = array();
+ $this->_keyMap = array();
+ }
+
+ /**
+ * Count
+ *
+ * @return int
+ */
+ public function count() {
+ return count($this->_items);
+ }
+
+ /**
+ * Get index for hash code
+ *
+ * @param string $pHashCode
+ * @return int Index
+ */
+ public function getIndexForHashCode($pHashCode = '') {
+ return array_search($pHashCode, $this->_keyMap);
+ }
+
+ /**
+ * Get by index
+ *
+ * @param int $pIndex
+ * @return PHPExcel_IComparable
+ *
+ */
+ public function getByIndex($pIndex = 0) {
+ if (isset($this->_keyMap[$pIndex])) {
+ return $this->getByHashCode( $this->_keyMap[$pIndex] );
+ }
+
+ return null;
+ }
+
+ /**
+ * Get by hashcode
+ *
+ * @param string $pHashCode
+ * @return PHPExcel_IComparable
+ *
+ */
+ public function getByHashCode($pHashCode = '') {
+ if (isset($this->_items[$pHashCode])) {
+ return $this->_items[$pHashCode];
+ }
+
+ return null;
+ }
+
+ /**
+ * HashTable to array
+ *
+ * @return PHPExcel_IComparable[]
+ */
+ 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 => $value) {
+ if (is_object($value)) {
+ $this->$key = clone $value;
+ }
+ }
+ }
+}
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