diff options
Diffstat (limited to 'admin/survey/excel/PHPExcel/Calculation/Token/Stack.php')
-rw-r--r-- | admin/survey/excel/PHPExcel/Calculation/Token/Stack.php | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/Calculation/Token/Stack.php b/admin/survey/excel/PHPExcel/Calculation/Token/Stack.php new file mode 100644 index 0000000..bd79c48 --- /dev/null +++ b/admin/survey/excel/PHPExcel/Calculation/Token/Stack.php @@ -0,0 +1,73 @@ +<?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_Calculation
+ * @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
+ */
+
+
+class PHPExcel_Calculation_Token_Stack {
+
+ private $_stack = array();
+ private $_count = 0;
+
+
+ public function count() {
+ return $this->_count;
+ } // function count()
+
+
+ public function push($type,$value,$reference=null) {
+ $this->_stack[$this->_count++] = array('type' => $type,
+ 'value' => $value,
+ 'reference' => $reference
+ );
+ if ($type == 'Function') {
+ $localeFunction = PHPExcel_Calculation::_localeFunc($value);
+ if ($localeFunction != $value) {
+ $this->_stack[($this->_count - 1)]['localeValue'] = $localeFunction;
+ }
+ }
+ } // function push()
+
+
+ public function pop() {
+ if ($this->_count > 0) {
+ return $this->_stack[--$this->_count];
+ }
+ return null;
+ } // function pop()
+
+
+ public function last($n=1) {
+ if ($this->_count-$n < 0) {
+ return null;
+ }
+ return $this->_stack[$this->_count-$n];
+ } // function last()
+
+
+ function __construct() {
+ }
+
+} // class PHPExcel_Calculation_Token_Stack
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