/**
* Retrieves the version of an installed extension.
* If the extension is not installed, this function returns an empty string.
*
* @param string $key The key of the extension to look up, must not be empty
*
* @throws \InvalidArgumentException
* @throws \TYPO3\CMS\Core\Package\Exception
* @return string The extension version as a string in the format "x.y.z",
*/
public static function getExtensionVersion($key)
{
if (!is_string($key) || empty($key)) {
throw new \InvalidArgumentException('Extension key must be a non-empty string.', 1294586096);
}
if (!static::isLoaded($key)) {
return '';
}
$version = static::$packageManager->getPackage($key)->getPackageMetaData()->getVersion();
if (empty($version)) {
throw new \TYPO3\CMS\Core\Package\Exception('Version number in composer manifest of package "' . $key . '" is missing or invalid', 1395614959);
}
return $version;
}
/**
* Get all class names inside this namespace and return them as array.
* This has to be done by iterating over class files for TYPO3 CMS
* as the Extbase Reflection Service cannot return all implementations
* of Fluid AbstractViewHelpers
*
* @param string $namespace
* @return array Array of all class names inside a given namespace.
*/
protected function getClassNamesInNamespace($namespace)
{
$packageKey = $this->getPackageKeyFromNamespace($namespace);
$viewHelperClassFiles = GeneralUtility::getAllFilesAndFoldersInPath(array(), $this->packageManager->getPackage($packageKey)->getPackagePath() . 'Classes/ViewHelpers/', 'php');
$affectedViewHelperClassNames = array();
foreach ($viewHelperClassFiles as $filePathAndFilename) {
$potentialViewHelperClassName = $this->getClassNameFromNamespaceAndPath($namespace, $filePathAndFilename);
if (is_subclass_of($potentialViewHelperClassName, 'TYPO3\\CMS\\Fluid\\Core\\ViewHelper\\AbstractViewHelper')) {
$classReflection = new \ReflectionClass($potentialViewHelperClassName);
if ($classReflection->isAbstract() === TRUE) {
continue;
}
$affectedViewHelperClassNames[] = $potentialViewHelperClassName;
}
}
sort($affectedViewHelperClassNames);
return $affectedViewHelperClassNames;
}
/**
* @test
* @expectedException \TYPO3\CMS\Core\Package\Exception\UnknownPackageException
*/
public function getPackageThrowsExceptionOnUnknownPackage()
{
$this->packageManager->getPackage('PrettyUnlikelyThatThisPackageExists');
}
/**
* @return \TYPO3\CMS\Core\Package\PackageInterface
* @api
*/
public function getPackage()
{
return $this->packageManager->getPackage($this->extensionKey);
}
/**
* Asserts the expected differences are found
*/
protected function assertFixtureExtensionChangesAreFound()
{
$package = $this->packageManager->getPackage($this->fixtureExtensionKey);
$repository = ExtensionInformationRepositoryFactory::create();
$this->assertSame($this->expectedDifferences, $repository->findDifferentExtensionInformation($package));
}
