# Create your views here.
from netsec.cidr2long.models import *
from django.shortcuts import render_to_response
from django.http import HttpResponse
import re,sys


def calcDottedNetmask(mobj):
    mask = long(mobj.group(1))
    bits = 0
    if mask > 32:
		return ""
    for i in xrange(32-mask,32):
        bits |= (1 << i)
    return " %d.%d.%d.%d" % ((bits & 0xff000000) >> 24, (bits & 0xff0000) >> 16, (bits & 0xff00) >> 8 , (bits & 0xff))


def main(request):
	
	if request.method == "POST": 
		if request.POST.has_key('input'):
			ret = ""
			for l in request.POST['input'].split('\n'):
				ret += re.sub("\/(\d+)", calcDottedNetmask,l.rstrip()) + "\n"
			return HttpResponse(ret, mimetype="text/plain")
			return render_to_response('cidr2long/index.html', { 'text' : ret } )
	else:
			return render_to_response('cidr2long/index.html')