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/vendor/zendframework/zend-code/src/Scanner/ -> DirectoryScanner.php (source)

   1  <?php
   2  /**
   3   * Zend Framework (http://framework.zend.com/)
   4   *
   5   * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6   * @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
   7   * @license   http://framework.zend.com/license/new-bsd New BSD License
   8   */
   9  
  10  namespace Zend\Code\Scanner;
  11  
  12  use RecursiveDirectoryIterator;
  13  use RecursiveIteratorIterator;
  14  use Zend\Code\Exception;
  15  
  16  use function array_keys;
  17  use function array_merge;
  18  use function is_array;
  19  use function is_dir;
  20  use function is_string;
  21  use function pathinfo;
  22  use function realpath;
  23  use function sprintf;
  24  
  25  class DirectoryScanner implements ScannerInterface
  26  {
  27      /**
  28       * @var bool
  29       */
  30      protected $isScanned = false;
  31  
  32      /**
  33       * @var string[]|DirectoryScanner[]
  34       */
  35      protected $directories = [];
  36  
  37      /**
  38       * @var FileScanner[]
  39       */
  40      protected $fileScanners = [];
  41  
  42      /**
  43       * @var array
  44       */
  45      protected $classToFileScanner;
  46  
  47      /**
  48       * @param null|string|array $directory
  49       */
  50      public function __construct($directory = null)
  51      {
  52          if ($directory) {
  53              if (is_string($directory)) {
  54                  $this->addDirectory($directory);
  55              } elseif (is_array($directory)) {
  56                  foreach ($directory as $d) {
  57                      $this->addDirectory($d);
  58                  }
  59              }
  60          }
  61      }
  62  
  63      /**
  64       * @param  DirectoryScanner|string $directory
  65       * @return void
  66       * @throws Exception\InvalidArgumentException
  67       */
  68      public function addDirectory($directory)
  69      {
  70          if ($directory instanceof DirectoryScanner) {
  71              $this->directories[] = $directory;
  72          } elseif (is_string($directory)) {
  73              $realDir = realpath($directory);
  74              if (! $realDir || ! is_dir($realDir)) {
  75                  throw new Exception\InvalidArgumentException(sprintf(
  76                      'Directory "%s" does not exist',
  77                      $realDir
  78                  ));
  79              }
  80              $this->directories[] = $realDir;
  81          } else {
  82              throw new Exception\InvalidArgumentException(
  83                  'The argument provided was neither a DirectoryScanner or directory path'
  84              );
  85          }
  86      }
  87  
  88      /**
  89       * @param  DirectoryScanner $directoryScanner
  90       * @return void
  91       */
  92      public function addDirectoryScanner(DirectoryScanner $directoryScanner)
  93      {
  94          $this->addDirectory($directoryScanner);
  95      }
  96  
  97      /**
  98       * @param  FileScanner $fileScanner
  99       * @return void
 100       */
 101      public function addFileScanner(FileScanner $fileScanner)
 102      {
 103          $this->fileScanners[] = $fileScanner;
 104      }
 105  
 106      /**
 107       * @return void
 108       */
 109      protected function scan()
 110      {
 111          if ($this->isScanned) {
 112              return;
 113          }
 114  
 115          // iterate directories creating file scanners
 116          foreach ($this->directories as $directory) {
 117              if ($directory instanceof DirectoryScanner) {
 118                  $directory->scan();
 119                  if ($directory->fileScanners) {
 120                      $this->fileScanners = array_merge($this->fileScanners, $directory->fileScanners);
 121                  }
 122              } else {
 123                  $rdi = new RecursiveDirectoryIterator($directory);
 124                  foreach (new RecursiveIteratorIterator($rdi) as $item) {
 125                      if ($item->isFile() && pathinfo($item->getRealPath(), PATHINFO_EXTENSION) == 'php') {
 126                          $this->fileScanners[] = new FileScanner($item->getRealPath());
 127                      }
 128                  }
 129              }
 130          }
 131  
 132          $this->isScanned = true;
 133      }
 134  
 135      /**
 136       * @todo implement method
 137       */
 138      public function getNamespaces()
 139      {
 140          // @todo
 141      }
 142  
 143      /**
 144       * @param  bool $returnFileScanners
 145       * @return array
 146       */
 147      public function getFiles($returnFileScanners = false)
 148      {
 149          $this->scan();
 150  
 151          $return = [];
 152          foreach ($this->fileScanners as $fileScanner) {
 153              $return[] = $returnFileScanners ? $fileScanner : $fileScanner->getFile();
 154          }
 155  
 156          return $return;
 157      }
 158  
 159      /**
 160       * @return array
 161       */
 162      public function getClassNames()
 163      {
 164          $this->scan();
 165  
 166          if ($this->classToFileScanner === null) {
 167              $this->createClassToFileScannerCache();
 168          }
 169  
 170          return array_keys($this->classToFileScanner);
 171      }
 172  
 173      /**
 174       * @param  bool  $returnDerivedScannerClass
 175       * @return array
 176       */
 177      public function getClasses($returnDerivedScannerClass = false)
 178      {
 179          $this->scan();
 180  
 181          if ($this->classToFileScanner === null) {
 182              $this->createClassToFileScannerCache();
 183          }
 184  
 185          $returnClasses = [];
 186          foreach ($this->classToFileScanner as $className => $fsIndex) {
 187              $classScanner = $this->fileScanners[$fsIndex]->getClass($className);
 188              if ($returnDerivedScannerClass) {
 189                  $classScanner = new DerivedClassScanner($classScanner, $this);
 190              }
 191              $returnClasses[] = $classScanner;
 192          }
 193  
 194          return $returnClasses;
 195      }
 196  
 197      /**
 198       * @param  string $class
 199       * @return bool
 200       */
 201      public function hasClass($class)
 202      {
 203          $this->scan();
 204  
 205          if ($this->classToFileScanner === null) {
 206              $this->createClassToFileScannerCache();
 207          }
 208  
 209          return isset($this->classToFileScanner[$class]);
 210      }
 211  
 212      /**
 213       * @param  string $class
 214       * @param  bool $returnDerivedScannerClass
 215       * @return ClassScanner|DerivedClassScanner
 216       * @throws Exception\InvalidArgumentException
 217       */
 218      public function getClass($class, $returnDerivedScannerClass = false)
 219      {
 220          $this->scan();
 221  
 222          if ($this->classToFileScanner === null) {
 223              $this->createClassToFileScannerCache();
 224          }
 225  
 226          if (! isset($this->classToFileScanner[$class])) {
 227              throw new Exception\InvalidArgumentException('Class not found.');
 228          }
 229  
 230          /** @var FileScanner $fs */
 231          $fs          = $this->fileScanners[$this->classToFileScanner[$class]];
 232          $returnClass = $fs->getClass($class);
 233  
 234          if ($returnClass instanceof ClassScanner && $returnDerivedScannerClass) {
 235              return new DerivedClassScanner($returnClass, $this);
 236          }
 237  
 238          return $returnClass;
 239      }
 240  
 241      /**
 242       * Create class to file scanner cache
 243       *
 244       * @return void
 245       */
 246      protected function createClassToFileScannerCache()
 247      {
 248          if ($this->classToFileScanner !== null) {
 249              return;
 250          }
 251  
 252          $this->classToFileScanner = [];
 253  
 254          /** @var FileScanner $fileScanner */
 255          foreach ($this->fileScanners as $fsIndex => $fileScanner) {
 256              $fsClasses = $fileScanner->getClassNames();
 257              foreach ($fsClasses as $fsClassName) {
 258                  $this->classToFileScanner[$fsClassName] = $fsIndex;
 259              }
 260          }
 261      }
 262  
 263      /**
 264       * Export
 265       *
 266       * @todo implement method
 267       */
 268      public static function export()
 269      {
 270          // @todo
 271      }
 272  
 273      /**
 274       * __ToString
 275       *
 276       * @todo implement method
 277       */
 278      public function __toString()
 279      {
 280          // @todo
 281      }
 282  }


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