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from xml.dom.minidom import *

from Directions import *

from Room import *

from RoomFactory import *



class RoomDataParser:



  def __init__(self):

    pass

    

  def parseRoomData(self, filename):

    dom = parse(filename)

    domRooms = dom.documentElement.getElementsByTagName("room")

    rooms = self.__gatherRoomData(domRooms)

    return rooms  

  

  def __getAvailableDirections(self, directs):

    directions = Directions()

    for direction in directs:

        if direction.nodeType == Node.ELEMENT_NODE:

          dirData = direction.firstChild.data

          if direction.nodeName == "north":

            directions.setNorth(dirData)

          elif direction.nodeName == "south":

              directions.setSouth(dirData)

          elif direction.nodeName == "east":

              directions.setEast(dirData)

          elif direction.nodeName == "west":

              directions.setWest(dirData)

    return directions

  

  def __gatherRoomData(self, domRooms):

    factory = RoomFactory()

    rooms = {}

    for room in domRooms:

      id = room.getElementsByTagName("id")[0].firstChild.data

      description = room.getElementsByTagName("description")[0].firstChild.data

      longdescription = room.getElementsByTagName("longdescription")[0].firstChild.data



      directs = room.getElementsByTagName("directions")[0].childNodes

      directions = self.__getAvailableDirections(directs)

              

      parsedRoom = factory.create(id, description, longdescription, directions)

      rooms[id] = parsedRoom

    return rooms