#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright 2012 The Plaso Project Authors.
# Please see the AUTHORS file for details on individual authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This file contains few methods for Plaso."""

import logging

from plaso.lib import output


# TODO: Refactor the putils library so it does not end up being a trash can
# for all things core/front-end. We don't want this to be end up being a
# collection for all methods that have no other home.
class Options(object):
  """A simple configuration object."""


def _FindClasses(class_object, *args):
  """Find all registered classes.

  A method to find all registered classes of a particular
  class.

  Args:
    class_object: The parent class.

  Returns:
    A list of registered classes of that class.
  """
  results = []
  for cls in class_object.classes:
    try:
      results.append(class_object.classes[cls](*args))
    except Exception:
      logging.error(
          u'_FindClasses: exception while appending: {0:s}'.format(cls))
      raise

  return results


def FindAllOutputs():
  """Find all available output modules."""
  return _FindClasses(output.LogOutputFormatter, None)