#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license.  The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought naming package component>
#------------------------------------------------------------------------------
""" Naming exceptions. """


class NamingError(Exception):
    """ Base class for all naming exceptions.

    """

class InvalidNameError(NamingError):
    """ Invalid name.

    This exception is thrown when the name passed to a naming operation does
    not conform to the syntax of the naming system (or is empty etc).

    """

class NameAlreadyBoundError(NamingError):
    """ Name already bound.

    This exception is thrown when an attempt is made to bind a name that is
    already bound in the current context.

    """

class NameNotFoundError(NamingError):
    """ Name not found.

    This exception is thrown when a component of a name cannot be resolved
    because it is not bound in the current context.

    """

class NotContextError(NamingError):
    """ Not a context.

    This exception is thrown when a naming operation has reached a point where
    a context is required to continue the operation, but the resolved object
    is not a context.

    """

class OperationNotSupportedError(NamingError):
    """ The context does support the requested operation.

    """

#### EOF ######################################################################