LoadedExtensionArrayElement.php

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<?php
namespace ‪TYPO3\CMS\Core\Compatibility;
 
/*
 * 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!
 */
 
use ‪TYPO3\CMS\Core\Core\Environment;
use ‪TYPO3\CMS\Core\Package\PackageInterface;
 
class ‪LoadedExtensionArrayElement implements \IteratorAggregate, \ArrayAccess, \Serializable, \Countable
{
    protected ‪$package;
 
    protected ‪$extensionFilesToCheckFor = [
        'ext_localconf.php',
        'ext_tables.php',
        'ext_tables.sql',
        'ext_tables_static+adt.sql',
        'ext_typoscript_constants.typoscript',
        'ext_typoscript_setup.typoscript',
        'ext_typoscript_constants.txt',
        'ext_typoscript_setup.txt'
    ];
 
    protected ‪$extensionInformation = [];
 
    public function ‪__construct(‪PackageInterface ‪$package)
    {
        $this->package = $package;
        $this->‪initializeBasicExtensionInformation();
        $this->‪initializeExtensionFiles();
        $this->‪initializeExtensionIcon();
    }
 
    protected function ‪initializeBasicExtensionInformation()
    {
        $pathSite = ‪Environment::getPublicPath() . '/';
        $pathSiteLength = strlen($pathSite);
        $absolutePackagePath = $this->package->getPackagePath();
        if (strpos($absolutePackagePath, $pathSite) === 0) {
            $relativePackagePathToPathSite = substr($absolutePackagePath, $pathSiteLength);
            $relativePackagePathToPathSiteSegments = explode('/', $relativePackagePathToPathSite);
            $packageType = null;
            // Determine if extension is installed locally, globally or system (in this order)
            switch (implode('/', array_slice($relativePackagePathToPathSiteSegments, 0, 2))) {
                case 'typo3conf/ext':
                    $packageType = 'L';
                    break;
                case TYPO3_mainDir . 'ext':
                    $packageType = 'G';
                    break;
                case TYPO3_mainDir . 'sysext':
                    $packageType = 'S';
                    break;
                case 'typo3temp/var/tests/test_ext':
                    $packageType = 'T';
                    break;
            }
            if ($packageType !== null) {
                $this->extensionInformation['type'] = $packageType;
            }
        }
    }
 
    protected function ‪initializeExtensionIcon()
    {
        $this->extensionInformation['ext_icon'] = ‪\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getExtensionIcon($this->package->getPackagePath());
    }
 
    protected function ‪initializeExtensionFiles()
    {
        foreach ($this->extensionFilesToCheckFor as $fileName) {
            $absolutePathToFile = $this->package->getPackagePath() . $fileName;
            if (@file_exists($absolutePathToFile)) {
                $this->extensionInformation[$fileName] = $absolutePathToFile;
            }
        }
    }
 
    public function ‪getIterator()
    {
        return new \ArrayIterator($this->extensionInformation);
    }
 
    public function ‪offsetExists($offset)
    {
        return isset($this->extensionInformation[$offset]);
    }
 
    public function ‪offsetGet($offset)
    {
        return $this->extensionInformation[$offset];
    }
 
    public function ‪offsetSet($offset, $value)
    {
        throw new \InvalidArgumentException('The array $GLOBALS[\'TYPO3_LOADED_EXT\'] may not be modified.', 1361915115);
    }
 
    public function ‪offsetUnset($offset)
    {
        throw new \InvalidArgumentException('The array $GLOBALS[\'TYPO3_LOADED_EXT\'] may not be modified.', 1361915206);
    }
 
    public function ‪serialize()
    {
        return ‪serialize($this->extensionInformation);
    }
 
    public function ‪unserialize($serialized)
    {
        $this->extensionInformation = ‪unserialize($serialized);
    }
 
    public function ‪count()
    {
        return ‪count($this->extensionInformation);
    }
 
    public function ‪toArray()
    {
        return iterator_to_array($this);
    }
}