/usr/share/php/Zend/Code/Scanner/DirectoryScanner.php is in php-zend-code 3.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Code\Scanner;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use Zend\Code\Exception;
class DirectoryScanner implements ScannerInterface
{
/**
* @var bool
*/
protected $isScanned = false;
/**
* @var string[]|DirectoryScanner[]
*/
protected $directories = [];
/**
* @var FileScanner[]
*/
protected $fileScanners = [];
/**
* @var array
*/
protected $classToFileScanner = null;
/**
* @param null|string|array $directory
*/
public function __construct($directory = null)
{
if ($directory) {
if (is_string($directory)) {
$this->addDirectory($directory);
} elseif (is_array($directory)) {
foreach ($directory as $d) {
$this->addDirectory($d);
}
}
}
}
/**
* @param DirectoryScanner|string $directory
* @return void
* @throws Exception\InvalidArgumentException
*/
public function addDirectory($directory)
{
if ($directory instanceof DirectoryScanner) {
$this->directories[] = $directory;
} elseif (is_string($directory)) {
$realDir = realpath($directory);
if (!$realDir || !is_dir($realDir)) {
throw new Exception\InvalidArgumentException(sprintf(
'Directory "%s" does not exist',
$realDir
));
}
$this->directories[] = $realDir;
} else {
throw new Exception\InvalidArgumentException(
'The argument provided was neither a DirectoryScanner or directory path'
);
}
}
/**
* @param DirectoryScanner $directoryScanner
* @return void
*/
public function addDirectoryScanner(DirectoryScanner $directoryScanner)
{
$this->addDirectory($directoryScanner);
}
/**
* @param FileScanner $fileScanner
* @return void
*/
public function addFileScanner(FileScanner $fileScanner)
{
$this->fileScanners[] = $fileScanner;
}
/**
* @return void
*/
protected function scan()
{
if ($this->isScanned) {
return;
}
// iterate directories creating file scanners
foreach ($this->directories as $directory) {
if ($directory instanceof DirectoryScanner) {
$directory->scan();
if ($directory->fileScanners) {
$this->fileScanners = array_merge($this->fileScanners, $directory->fileScanners);
}
} else {
$rdi = new RecursiveDirectoryIterator($directory);
foreach (new RecursiveIteratorIterator($rdi) as $item) {
if ($item->isFile() && pathinfo($item->getRealPath(), PATHINFO_EXTENSION) == 'php') {
$this->fileScanners[] = new FileScanner($item->getRealPath());
}
}
}
}
$this->isScanned = true;
}
/**
* @todo implement method
*/
public function getNamespaces()
{
// @todo
}
/**
* @param bool $returnFileScanners
* @return array
*/
public function getFiles($returnFileScanners = false)
{
$this->scan();
$return = [];
foreach ($this->fileScanners as $fileScanner) {
$return[] = ($returnFileScanners) ? $fileScanner : $fileScanner->getFile();
}
return $return;
}
/**
* @return array
*/
public function getClassNames()
{
$this->scan();
if ($this->classToFileScanner === null) {
$this->createClassToFileScannerCache();
}
return array_keys($this->classToFileScanner);
}
/**
* @param bool $returnDerivedScannerClass
* @return array
*/
public function getClasses($returnDerivedScannerClass = false)
{
$this->scan();
if ($this->classToFileScanner === null) {
$this->createClassToFileScannerCache();
}
$returnClasses = [];
foreach ($this->classToFileScanner as $className => $fsIndex) {
$classScanner = $this->fileScanners[$fsIndex]->getClass($className);
if ($returnDerivedScannerClass) {
$classScanner = new DerivedClassScanner($classScanner, $this);
}
$returnClasses[] = $classScanner;
}
return $returnClasses;
}
/**
* @param string $class
* @return bool
*/
public function hasClass($class)
{
$this->scan();
if ($this->classToFileScanner === null) {
$this->createClassToFileScannerCache();
}
return (isset($this->classToFileScanner[$class]));
}
/**
* @param string $class
* @param bool $returnDerivedScannerClass
* @return ClassScanner|DerivedClassScanner
* @throws Exception\InvalidArgumentException
*/
public function getClass($class, $returnDerivedScannerClass = false)
{
$this->scan();
if ($this->classToFileScanner === null) {
$this->createClassToFileScannerCache();
}
if (!isset($this->classToFileScanner[$class])) {
throw new Exception\InvalidArgumentException('Class not found.');
}
/** @var FileScanner $fs */
$fs = $this->fileScanners[$this->classToFileScanner[$class]];
$returnClass = $fs->getClass($class);
if (($returnClass instanceof ClassScanner) && $returnDerivedScannerClass) {
return new DerivedClassScanner($returnClass, $this);
}
return $returnClass;
}
/**
* Create class to file scanner cache
*
* @return void
*/
protected function createClassToFileScannerCache()
{
if ($this->classToFileScanner !== null) {
return;
}
$this->classToFileScanner = [];
/** @var FileScanner $fileScanner */
foreach ($this->fileScanners as $fsIndex => $fileScanner) {
$fsClasses = $fileScanner->getClassNames();
foreach ($fsClasses as $fsClassName) {
$this->classToFileScanner[$fsClassName] = $fsIndex;
}
}
}
/**
* Export
*
* @todo implement method
*/
public static function export()
{
// @todo
}
/**
* __ToString
*
* @todo implement method
*/
public function __toString()
{
// @todo
}
}
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