"""System Configuration - For holding global system variables

$Id$
"""

#      Copyright 2008-2011 eGovMon
#      This program is distributed under the terms of the GNU General
#      Public License.
#
#  This file is part of the eGovernment Monitoring
#  (eGovMon)
#
#  eGovMon 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.
#
#  eGovMon 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 eGovMon; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
#  MA 02110-1301 USA

__author__ = "$Author$"
__version__ = "$Revision$"
__updated__ = "$LastChangedDate$"

import os
import sys

from scerror import *

import xml.sax
from xml.sax.handler import *

class InitialRdf(ContentHandler):
    def __init__(self):
        self.in_quote = 0
        self.value = ''
    def startElement(self, name, attrs):
        self.value=""
    def endElement(self, name):
        if name.startswith("egovmon:"):      
            setattr(InitialRdf,name[8:],self.value)
        elif name.startswith("eiao:"):
            setattr(InitialRdf,name[5:],self.value) 
    def characters(self, ch):
        self.value=self.value+ch

def SystemConfiguration():
    parser = xml.sax.make_parser()
    handler = InitialRdf()
    parser.setContentHandler(handler)
    filetoparse = ''
    foundinitialfile = False
    for file in ['/etc/egovmon/initial.rdf','initial.rdf', os.path.abspath(sys.prefix + '/initial.rdf')]:
        if not foundinitialfile:
             try:
                 f = open(file,'r')
                 foundinitialfile = True
                 if not filetoparse:
                     filetoparse = file
             except IOError:
                 pass
        if not foundinitialfile:
             raise InitialRDFNotFoundError(['initial.rdf',os.path.abspath(sys.prefix + '/initial.rdf')])

    parser.parse(filetoparse)
    return handler

if __name__ == '__main__':
    sc=SystemConfiguration()
    print dir(sc)