class xautoload_RecursiveScan in X Autoload 7

Scan directories for wildcard files[] instructions in a module's info file.

Hierarchy

• class \xautoload_RecursiveScan

File

lib/RecursiveScan.php, line 10

class xautoload_RecursiveScan {
  protected $_array;
  protected $_value;
  protected $_plus = array();
  protected $_minus = array();
  function __construct(&$result) {
    $this->result =& $result;
  }
  function dpm() {
    dpm($this->minus);
    dpm($this->plus);
  }
  function check($path, $value) {
    $this->value = $value;
    if ($this
      ->_check($path)) {
      unset($this->result[$path]);
      $this->minus[$path] = TRUE;
    }
  }
  protected function _abc($a, $b, $c = NULL) {
    if (is_dir($a)) {
      foreach (scandir($a) as $candidate) {
        if ($this
          ->_validCand($candidate, $b)) {
          if (!isset($c)) {
            if ($b === '**') {
              $this
                ->_abc("{$a}/{$candidate}", '**');
            }
            $this
              ->_file("{$a}/{$candidate}");
          }
          else {
            if (!$this
              ->_check("{$a}/{$candidate}/{$c}")) {
              $this
                ->_file("{$a}/{$candidate}/{$c}");
            }
            if ($b === '**') {
              $this
                ->_abc("{$a}/{$candidate}", '**', $c);
            }
          }
        }
      }
    }
  }
  protected function _validCand($candidate, $b) {
    if ($candidate == '.' || $candidate == '..') {
      return FALSE;
    }
    if (strpos($candidate, '*') !== FALSE) {
      return FALSE;
    }
    if ($b == '*' || $b == '**') {
      return TRUE;
    }

    // More complex wildcard string.
    $fragments = array();
    foreach (explode('*', $b) as $fragment) {
      $fragments[] = preg_quote($fragment);
    }
    $regex = implode('.*', $fragments);
    return preg_match("/^{$regex}\$/", $candidate);
  }
  protected function _check($path) {
    if (preg_match('#^([^\\*]*)/(.*\\*.*)$#', $path, $m)) {
      list(, $a, $b) = $m;
      list($b, $c) = $result = explode('/', $b, 2) + array(
        NULL,
        NULL,
      );
      if ($b === '**' && isset($c)) {
        $this
          ->_check("{$a}/{$c}");
      }
      $this
        ->_abc($a, $b, $c);
      return TRUE;
    }
    else {

      // Not a wildcard string
      return FALSE;
    }
  }
  protected function _file($path) {
    if (is_file($path)) {
      $this->result[$path] = $this->value;
      $this->plus[$path] = TRUE;
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
xautoload_RecursiveScan::$_array	protected	property
xautoload_RecursiveScan::$_minus	protected	property
xautoload_RecursiveScan::$_plus	protected	property
xautoload_RecursiveScan::$_value	protected	property
xautoload_RecursiveScan::check		function
xautoload_RecursiveScan::dpm		function
xautoload_RecursiveScan::_abc	protected	function
xautoload_RecursiveScan::_check	protected	function
xautoload_RecursiveScan::_file	protected	function
xautoload_RecursiveScan::_validCand	protected	function
xautoload_RecursiveScan::__construct		function