ExtensionXmlPullParser.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Extensionmanager\Utility\Parser;
 
use ‪TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException;
 
class ‪ExtensionXmlPullParser extends ‪AbstractExtensionXmlParser
{
    public function ‪__construct()
    {
        $this->requiredPhpExtensions = 'xmlreader';
    }
 
    protected function ‪createParser()
    {
        $this->objXml = new \XMLReader();
    }
 
    public function ‪parseXml($file)
    {
        $this->‪createParser();
        if (!(is_object($this->objXml) && get_class($this->objXml) === \XMLReader::class)) {
            throw new ‪ExtensionManagerException('Unable to create XML parser.', 1342640540);
        }
        if ($this->objXml->open($file, 'utf-8') === false) {
            throw new ‪ExtensionManagerException(
                sprintf('Unable to open file resource %s.', $file),
                1476108651
            );
        }
        while ($this->objXml->read()) {
            if ($this->objXml->nodeType == \XMLReader::ELEMENT) {
                $this->‪startElement($this->objXml->name);
            } else {
                if ($this->objXml->nodeType == \XMLReader::END_ELEMENT) {
                    $this->‪endElement($this->objXml->name);
                } else {
                    continue;
                }
            }
        }
        $this->objXml->close();
    }
 
    protected function ‪startElement($elementName)
    {
        switch ($elementName) {
            case 'extension':
                $this->extensionKey = $this->objXml->getAttribute('extensionkey');
                break;
            case 'version':
                $this->version = $this->objXml->getAttribute('version');
                break;
            case 'downloadcounter':
                // downloadcounter could be a child node of
                // extension or version
                if ($this->version == null) {
                    $this->extensionDownloadCounter = $this->‪getElementValue($elementName);
                } else {
                    $this->versionDownloadCounter = $this->‪getElementValue($elementName);
                }
                break;
            case 'title':
                $this->title = $this->‪getElementValue($elementName);
                break;
            case 'description':
                $this->description = $this->‪getElementValue($elementName);
                break;
            case 'state':
                $this->state = $this->‪getElementValue($elementName);
                break;
            case 'reviewstate':
                $this->reviewstate = $this->‪getElementValue($elementName);
                break;
            case 'category':
                $this->category = $this->‪getElementValue($elementName);
                break;
            case 'lastuploaddate':
                $this->lastuploaddate = $this->‪getElementValue($elementName);
                break;
            case 'uploadcomment':
                $this->uploadcomment = $this->‪getElementValue($elementName);
                break;
            case 'dependencies':
                $this->dependencies = $this->‪convertDependencies($this->‪getElementValue($elementName));
                break;
            case 'authorname':
                $this->authorname = $this->‪getElementValue($elementName);
                break;
            case 'authoremail':
                $this->authoremail = $this->‪getElementValue($elementName);
                break;
            case 'authorcompany':
                $this->authorcompany = $this->‪getElementValue($elementName);
                break;
            case 'ownerusername':
                $this->ownerusername = $this->‪getElementValue($elementName);
                break;
            case 't3xfilemd5':
                $this->t3xfilemd5 = $this->‪getElementValue($elementName);
                break;
            case 'documentation_link':
                $this->documentationLink = $this->‪getElementValue($elementName);
                break;
        }
    }
 
    protected function ‪endElement($elementName)
    {
        switch ($elementName) {
            case 'extension':
                $this->‪resetProperties(true);
                break;
            case 'version':
                $this->‪notify();
                $this->‪resetProperties();
                break;
        }
    }
 
    protected function ‪getElementValue(&$elementName)
    {
        $value = null;
        if (!$this->objXml->isEmptyElement) {
            $value = '';
            while ($this->objXml->read()) {
                if ($this->objXml->nodeType == \XMLReader::TEXT || $this->objXml->nodeType == \XMLReader::CDATA || $this->objXml->nodeType == \XMLReader::WHITESPACE || $this->objXml->nodeType == \XMLReader::SIGNIFICANT_WHITESPACE) {
                    $value .= $this->objXml->value;
                } else {
                    if ($this->objXml->nodeType == \XMLReader::END_ELEMENT && $this->objXml->name === $elementName) {
                        break;
                    }
                }
            }
        }
        return $value;
    }
}