#

# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

#

'''

Configuration flattener

'''

import re

import os

import sys

import logging

import xml.parsers.expat

try:

    from cElementTree import ElementTree

except ImportError:

    try:    

        from elementtree import ElementTree

    except ImportError:

        try:

            from xml.etree import cElementTree as ElementTree

        except ImportError:

            from xml.etree import ElementTree

import __init__

from cone.public import exceptions,plugin,utils,api

import copy

class ConfigurationFlattener():

    """

    Configuration flattener

    """

    def _init(self):

        self.logger = logging.getLogger('cone.gcfml(%s)' % self.ref)

        pass

    def flat(self, conf_from_org, settings, to_config):

        """

        Flats configuration to one element xml element

        """

        """ 

        Get the default view

        Create the new flat configuration 

         """

        dview_from = conf_from_org.get_default_view()

        """ Go through the required settings """

        for setting in settings:

            setting_name = setting.replace('/', '.')

            try:

                for fea in dview_from.get_features(setting_name):

                    """ Add the given feature ref and its children """

                    newfea = copy.copy(fea._obj)

                    to_config.add_feature(newfea, fea.namespace)

                    for subfeaname in fea.list_features():

                        subfea = fea.get_feature(subfeaname)

                        newfea = copy.copy(subfea._obj)

                        to_config.add_feature(newfea, subfea.namespace)

            except exceptions.NotFound, e:

                logging.getLogger('cone.gcfml').warning('Failed to get feature: %s , %s %s' % (setting_name, type(e), e) )

            except Exception, e:

                logging.getLogger('cone.gcfml').warning('Failed to flat feature: %s , %s %s' % (setting_name, type(e), e) )

        """ Copy all data values from the existing configuration to the new configuration """

        toview = to_config.get_default_view()

        for fea in toview.get_features('**'):

            fromfea = dview_from.get_feature(fea.fqr)

            # If the value is an empty list, don't add it.

            # This is because an empty list means that we have

            # a sequence setting or sequence sub-setting that doesn't have

            val = fromfea.get_value()

            if val not in (None, []):

                fea.set_value(val)

        return to_config

    def create_configuration(self, conf_from_org, settings, path="tempfile.confml"):

        """

        Flats configuration to one feature and data confml

        """

        """ 

        Get the default view

        Create the new flat configuration 

         """

        prj = conf_from_org.get_project()

        flat = prj.create_configuration(path)

        (root,ext) = os.path.splitext(path)

        dataname = "%s_data%s" % (root,ext)

        flat.create_configuration(dataname)

        self.flat(conf_from_org, settings, flat)

        flat.close()