public function S3fsStreamWrapper::dir_opendir in S3 File System 7.3

Same name and namespace in other branches

1. 7 S3fsStreamWrapper.inc \S3fsStreamWrapper::dir_opendir()
2. 7.2 S3fsStreamWrapper.inc \S3fsStreamWrapper::dir_opendir()

Support for opendir().

Parameters

string $uri: The URI to the directory to open.

int $options: A flag used to enable safe_mode. This wrapper doesn't support safe_mode, so this parameter is ignored.

Return value

bool TRUE on success. Otherwise, FALSE.

Overrides StreamWrapperInterface::dir_opendir

See also

http://php.net/manual/en/streamwrapper.dir-opendir.php

File

./S3fsStreamWrapper.inc, line 845

Drupal stream wrapper implementation for S3 File System.

Class

S3fsStreamWrapper

The stream wrapper class.

Code

public function dir_opendir($uri, $options = NULL) {
  if (!$this
    ->_path_is_dir($uri)) {
    return FALSE;
  }
  $scheme = file_uri_scheme($uri);
  $bare_path = rtrim($uri, '/');
  $slash_path = $bare_path . '/';

  // If this path was originally a root folder (e.g. s3://), the above code
  // removed *both* slashes but only added one back. So we need to add
  // back the second slash.
  if ($slash_path == "{$scheme}:/") {
    $slash_path = "{$scheme}://";
  }

  // Get the list of paths for files and folders which are children of the
  // specified folder, but not grandchildren.
  $child_paths = db_select('s3fs_file', 's')
    ->fields('s', array(
    'uri',
  ))
    ->condition('uri', db_like($slash_path) . '%', 'LIKE')
    ->condition('uri', db_like($slash_path) . '%/%', 'NOT LIKE')
    ->execute()
    ->fetchCol(0);
  $this->dir = array();
  foreach ($child_paths as $child_path) {
    $this->dir[] = drupal_basename($child_path);
  }
  return TRUE;
}