#!/usr/bin/python

#
# Copyright (C) 2005 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

import sys, string, re
from xml.dom.minidom import Node, parse, parseString
from urlparse import urlparse

def getDocument(xmlNode):
    if (xmlNode.parentNode==None):
        assert xmlNode.nodeType==Node.DOCUMENT_NODE
        return xmlNode
    else:
        return getDocument(xmlNode.parentNode)
        
def getTextBelow(xmlElement):
    if xmlElement.firstChild!=None:
        return xmlElement.firstChild.data
    else:
        return None

def setTextBelow(xmlElement, newtext):
    # FIXME: this could do with improving:
    xmlElement.removeChild(xmlElement.firstChild)
    xmlElement.appendChild(getDocument(xmlElement).createTextNode(newtext))

schemeRegex = "([a-z]*)";
usernameRegex = "([A-Za-z0-9\\\\%]*)";
mailboxRegex = "([A-Za-z0-9\\.]*)";
hostnameRegex = "([A-Za-z0-9\\.\\-]*)";
pathRegex = "([/A-Za-z0-9\\.\\-]*)"