162 lines
3.9 KiB
PHP
162 lines
3.9 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2014 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 - 2014 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 ##VERSION##, ##DATE##
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*/
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/**
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* PHPExcel_Worksheet_CellIterator
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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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Worksheet_CellIterator 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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* Row index
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*
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* @var int
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*/
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private $_rowIndex;
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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 = 0;
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/**
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* Loop only existing cells
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*
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* @var boolean
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*/
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private $_onlyExistingCells = true;
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/**
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* Create a new cell iterator
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*
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* @param PHPExcel_Worksheet $subject
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* @param int $rowIndex
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*/
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public function __construct(PHPExcel_Worksheet $subject = null, $rowIndex = 1) {
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// Set subject and row index
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$this->_subject = $subject;
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$this->_rowIndex = $rowIndex;
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}
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/**
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* Destructor
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*/
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public function __destruct() {
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unset($this->_subject);
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}
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/**
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* Rewind iterator
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*/
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public function rewind() {
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$this->_position = 0;
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}
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/**
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* Current PHPExcel_Cell
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*
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* @return PHPExcel_Cell
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*/
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public function current() {
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return $this->_subject->getCellByColumnAndRow($this->_position, $this->_rowIndex);
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}
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/**
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* Current 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 $this->_position;
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}
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/**
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* Next value
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*/
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public function next() {
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++$this->_position;
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}
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/**
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* Are there any more PHPExcel_Cell instances available?
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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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// columnIndexFromString() returns an index based at one,
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// treat it as a count when comparing it to the base zero
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// position.
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$columnCount = PHPExcel_Cell::columnIndexFromString($this->_subject->getHighestColumn());
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if ($this->_onlyExistingCells) {
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// If we aren't looking at an existing cell, either
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// because the first column doesn't exist or next() has
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// been called onto a nonexistent cell, then loop until we
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// find one, or pass the last column.
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while ($this->_position < $columnCount &&
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!$this->_subject->cellExistsByColumnAndRow($this->_position, $this->_rowIndex)) {
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++$this->_position;
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}
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}
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return $this->_position < $columnCount;
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}
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/**
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* Get loop only existing cells
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*
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* @return boolean
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*/
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public function getIterateOnlyExistingCells() {
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return $this->_onlyExistingCells;
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}
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/**
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* Set the iterator to loop only existing cells
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*
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* @param boolean $value
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*/
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public function setIterateOnlyExistingCells($value = true) {
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$this->_onlyExistingCells = $value;
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}
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}
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