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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @see https://github.com/PHPOffice/PHPWord
* @copyright 2010-2018 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord\Reader\Word2007;
use PhpOffice\Common\XMLReader;
use PhpOffice\PhpWord\PhpWord;
/**
* Footnotes reader
*
* @since 0.10.0
*/
class Footnotes extends AbstractPart
{
/**
* Collection name footnotes|endnotes
*
* @var string
*/
protected $collection = 'footnotes';
/**
* Element name footnote|endnote
*
* @var string
*/
protected $element = 'footnote';
/**
* Read (footnotes|endnotes).xml.
*
* @param \PhpOffice\PhpWord\PhpWord $phpWord
*/
public function read(PhpWord $phpWord)
{
$xmlReader = new XMLReader();
$xmlReader->getDomFromZip($this->docFile, $this->xmlFile);
$nodes = $xmlReader->getElements('*');
if ($nodes->length > 0) {
foreach ($nodes as $node) {
$id = $xmlReader->getAttribute('w:id', $node);
$type = $xmlReader->getAttribute('w:type', $node);
// Avoid w:type "separator" and "continuationSeparator"
// Only look for <footnote> or <endnote> without w:type attribute, or with w:type = normal
if ((is_null($type) || $type === 'normal')) {
$element = $this->getElement($phpWord, $id);
if ($element !== null) {
$pNodes = $xmlReader->getElements('w:p/*', $node);
foreach ($pNodes as $pNode) {
$this->readRun($xmlReader, $pNode, $element, $this->collection);
}
$addMethod = "add{$this->element}";
$phpWord->$addMethod($element);
}
}
}
}
}
/**
* Searches for the element with the given relationId
*
* @param PhpWord $phpWord
* @param int $relationId
* @return \PhpOffice\PhpWord\Element\AbstractContainer|null
*/
private function getElement(PhpWord $phpWord, $relationId)
{
$getMethod = "get{$this->collection}";
$collection = $phpWord->$getMethod()->getItems();
//not found by key, looping to search by relationId
foreach ($collection as $collectionElement) {
if ($collectionElement->getRelationId() == $relationId) {
return $collectionElement;
}
}
return null;
}
}