function _less_ensure_directory in Less CSS Preprocessor 7.4

Same name and namespace in other branches

1. 8 less.module \_less_ensure_directory()
2. 7.3 less.module \_less_ensure_directory()

Helper function that attempts to create a folder if it doesn't exist.

Locks are used to help avoid concurrency collisions.

Parameters

string $directory_path: Directory of which to create/confirm existence.

Return value

bool Value indicating existence of directory.

1 call to _less_ensure_directory()

_less_process_file in includes/less.process.inc

Process a .less file and save the compiled styles.

File

./less.module, line 546

Handles compiling of .less files.

Code

function _less_ensure_directory($directory_path) {
  $is_dir = is_dir($directory_path);
  if (!$is_dir) {
    $lock_id = 'less_directory_' . md5($directory_path);

    // Attempt to create directory only 3 times, else delay is too long.
    for ($i = 0; $i < 3; $i++) {
      if (lock_acquire($lock_id) && ($is_dir = file_prepare_directory($directory_path, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS))) {

        // Creation was successful, cancel the 'for' loop;
        break;
      }
      lock_wait($lock_id, 1);
    }
    lock_release($lock_id);
    if (!$is_dir) {

      // There is a problem with the directory.
      $message_vars = array(
        '%dir' => $directory_path,
      );
      watchdog('LESS', 'LESS could not create a directory in %dir', $message_vars, WATCHDOG_ERROR);
      if (user_access(LESS_PERMISSION)) {
        drupal_set_message(t('LESS could not create a directory in %dir', $message_vars), 'error', FALSE);
      }
    }
  }
  return $is_dir;
}