149 lines
3.3 KiB
PHP
149 lines
3.3 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2012 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Worksheet
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* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version 1.7.8, 2012-10-12
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*/
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/**
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* PHPExcel_Worksheet_RowIterator
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*
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* Used to iterate rows in a PHPExcel_Worksheet
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*
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* @category PHPExcel
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* @package PHPExcel_Worksheet
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* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Worksheet_RowIterator implements Iterator
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{
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/**
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* PHPExcel_Worksheet to iterate
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*
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* @var PHPExcel_Worksheet
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*/
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private $_subject;
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/**
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* Current iterator position
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*
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* @var int
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*/
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private $_position = 1;
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/**
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* Start position
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*
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* @var int
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*/
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private $_startRow = 1;
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/**
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* Create a new row iterator
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*
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* @param PHPExcel_Worksheet $subject The worksheet to iterate over
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* @param integer $startRow The row number at which to start iterating
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*/
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public function __construct(PHPExcel_Worksheet $subject = null, $startRow = 1) {
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// Set subject
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$this->_subject = $subject;
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$this->resetStart($startRow);
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}
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/**
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* Destructor
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*/
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public function __destruct() {
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unset($this->_subject);
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}
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/**
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* (Re)Set the start row and the current row pointer
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*
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* @param integer $startRow The row number at which to start iterating
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*/
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public function resetStart($startRow = 1) {
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$this->_startRow = $startRow;
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$this->seek($startRow);
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}
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/**
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* Set the row pointer to the selected row
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*
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* @param integer $row The row number to set the current pointer at
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*/
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public function seek($row = 1) {
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$this->_position = $row;
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}
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/**
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* Rewind the iterator to the starting row
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*/
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public function rewind() {
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$this->_position = $this->_startRow;
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}
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/**
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* Return the current row in this worksheet
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*
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* @return PHPExcel_Worksheet_Row
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*/
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public function current() {
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return new PHPExcel_Worksheet_Row($this->_subject, $this->_position);
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}
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/**
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* Return the current iterator key
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*
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* @return int
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*/
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public function key() {
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return $this->_position;
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}
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/**
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* Set the iterator to its next value
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*/
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public function next() {
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++$this->_position;
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}
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/**
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* Set the iterator to its previous value
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*/
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public function prev() {
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if ($this->_position > 1)
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--$this->_position;
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}
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/**
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* Indicate if more rows exist in the worksheet
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*
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* @return boolean
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*/
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public function valid() {
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return $this->_position <= $this->_subject->getHighestRow();
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}
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}
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