#============================================================================ 

#Name        : iqrf.py 

#Part of     : Helium 

#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 the License "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:

#===============================================================================

"""

    Implements iQRF model.

    How to use it:

    import imaker.iqrf

    root = imaker.iqrf.load(filename)

    root.result

"""

import amara

import logging

from  imaker.ecore import ContainerBase, Reference       

logging.basicConfig()

logger = logging.getLogger("iqrf.model")

#logger.setLevel(logging.DEBUG)

class IMaker(ContainerBase):

    """ IMaker container. """

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.result = None

    def load(self, node):

        """ Load data from XML node. """

        if hasattr(node, 'result'):

            logger.debug("IMaker has result attribute.")

            self.result = Result(self)

            self.result.load(node.result)

class Result(ContainerBase):

    """ Result container. """

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.interfaces = []

        self.configurations = []

        self.targets = []

    def load(self, node):

        """ Load data from XML node. """

        logger.debug("Loading Result")

        for elem in node.interfaces:

            interface = Interface(self)

            interface.load(elem)

            self.interfaces.append(interface)

        for elem in node.configurations:

            configuration = Configuration(self)

            configuration.load(elem)

            self.configurations.append(configuration)

        for elem in node.targets:

            target = Target(self)

            target.load(elem)

            self.targets.append(target)

class Configuration(ContainerBase):

    """ Configuration container. """

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.name = None

        self.settings = []

        self.filePath = None

        self.targetrefs = []

    def load(self, node):

        """ Load data from XML node. """

        logger.debug("Loading Configuration")

        self.name = node.name        

        self.filePath = node.filePath

        for elem in node.xml_xpath('./settings'):

            setting = Setting(self)

            setting.load(elem)

            self.settings.append(setting)

        for ref in node.targetrefs.split(" "):

            self.targetrefs.append(Reference(self, ref))

class Setting(ContainerBase):

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.name = None

        self.value = None

        self.ref = None

    def load(self, node):        

        logger.debug("Loading Setting")

        self.name = node.name        

        self.value = node.value        

        self.ref = Reference(node.ref)        

class Interface(ContainerBase):

    """ Interface container. """

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.name = None

        self.configurationElements = []

    def load(self, node):

        """ Load data from XML node. """

        logger.debug("Loading Interface")

        self.name = node.name        

        for cel in node.configurationElements:

            conf = ConfigurationElement(self)

            conf.load(cel)

            self.configurationElements.append(conf)

class ConfigurationElement(ContainerBase):

    """ ConfigurationElement container. """

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.name = None

        self.description = None

        self.values = None

    def load(self, node):

        """ Load data from XML node. """

        logger.debug("Loading ConfigurationElement")

        self.name = node.name        

        self.description = node.description

        self.values = node.values

class Target(ContainerBase):

    """ Target container. """

    def __init__(self, parent=None):

        ContainerBase.__init__(self, parent)

        self.name = None

        self.description = None

    def load(self, node):

        """ Load data from XML node. """

        logger.debug("Loading Target")

        self.name = node.name        

        self.description = node.description

def load(filename):

    """ Load IMaker serialized ecore configuration. """

    doc = amara.parse(open(filename, 'r'))

    imaker = IMaker()    

    imaker.load(doc.IMaker)

    return imaker