PHPWord/tests/PhpWord/_includes/XmlDocument.php

164 lines
3.4 KiB
PHP

<?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.
*
* @link https://github.com/PHPOffice/PHPWord
* @copyright 2010-2016 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord;
/**
* DOM wrapper class
*/
class XmlDocument
{
/**
* Path
*
* @var string $path
*/
private $path;
/**
* DOMDocument object
*
* @var \DOMDocument
*/
private $dom;
/**
* DOMXpath object
*
* @var \DOMXpath
*/
private $xpath;
/**
* File name
*
* @var string
*/
private $file;
/**
* Create new instance
*
* @param string $path
*/
public function __construct($path)
{
$this->path = realpath($path);
}
/**
* Get DOM from file
*
* @param string $file
* @return \DOMDocument
*/
public function getFileDom($file = 'word/document.xml')
{
if (null !== $this->dom && $file === $this->file) {
return $this->dom;
}
$this->xpath = null;
$this->file = $file;
$file = $this->path . '/' . $file;
$this->dom = new \DOMDocument();
$this->dom->load($file);
return $this->dom;
}
/**
* Get node list
*
* @param string $path
* @param string $file
* @return \DOMNodeList
*/
public function getNodeList($path, $file = 'word/document.xml')
{
if (null === $this->dom || $file !== $this->file) {
$this->getFileDom($file);
}
if (null === $this->xpath) {
$this->xpath = new \DOMXpath($this->dom);
}
return $this->xpath->query($path);
}
/**
* Get element
*
* @param string $path
* @param string $file
* @return \DOMElement
*/
public function getElement($path, $file = 'word/document.xml')
{
$elements = $this->getNodeList($path, $file);
return $elements->item(0);
}
/**
* Get file name
*
* @return string
*/
public function getFile()
{
return $this->file;
}
/**
* Get path
*
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* Get element attribute
*
* @param string $path
* @param string $attribute
* @param string $file
* @return string
*/
public function getElementAttribute($path, $attribute, $file = 'word/document.xml')
{
return $this->getElement($path, $file)->getAttribute($attribute);
}
/**
* Check if element exists
*
* @param string $path
* @param string $file
* @return string
*/
public function elementExists($path, $file = 'word/document.xml')
{
$nodeList = $this->getNodeList($path, $file);
return !($nodeList->length == 0);
}
}