method remove

Source

void remove(Map m) {
  Path path = Path.getValidPath(m['path']);
  if (path == null || !path.isAbsolute) {
    closeResponse(m['rid'], error: DSError.INVALID_PATH);
    return;
  }
  int rid = m['rid'];
  if (path.isNode) {
    closeResponse(m['rid'], error: DSError.INVALID_METHOD);
  } else if (path.isConfig) {
    LocalNode node;

    node = nodeProvider.getOrCreateNode(path.parentPath, false);

    int permission = nodeProvider.permissions.getPermission(node.path, this);
    if (permission < Permission.CONFIG) {
      closeResponse(m['rid'], error: DSError.PERMISSION_DENIED);
    } else {
      node.removeConfig(
          path.name, this, addResponse(new Response(this, rid, 'set'), path));
    }
  } else if (path.isAttribute) {
    LocalNode node;

    node = nodeProvider.getOrCreateNode(path.parentPath, false);
    int permission = nodeProvider.permissions.getPermission(node.path, this);
    if (permission < Permission.WRITE) {
      closeResponse(m['rid'], error: DSError.PERMISSION_DENIED);
    } else {
      node.removeAttribute(
          path.name, this, addResponse(new Response(this, rid, 'set'), path));
    }
  } else {
    // shouldn't be possible to reach here
    throw 'unexpected case';
  }
}