# -*- coding: iso-8859-1 -*-
# Copyright (C) 2007-2012   EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

import UserDict

class _F(UserDict.UserDict):
   """
       Cette classe a un comportement semblable à un
       dictionnaire Python et permet de donner
       la valeur d'un mot-clé facteur avec pour les sous
       mots-clés la syntaxe motcle=valeur
   """

   def __init__(self, *pos, **args):
      if len(pos) != 0:
         raise SyntaxError("Valeur invalide pour '_F('. "\
            "On attend cette syntaxe : _F(MOTCLE=valeur, ...)")
      self.data=args

   def supprime(self):
      self.data={}

   def __cmp__(self, dict):
      if type(dict) == type(self.data):
        return cmp(self.data, dict)
      elif hasattr(dict,"data"):
        return cmp(self.data, dict.data)
      else:
        return cmp(self.data, dict)

   def __iter__(self):
      return iter(self.data)

   def copy(self):
      import copy
      c= copy.copy(self)
      c.data=self.data.copy()
      return c
