# -*- coding: iso-8859-15 -*-
"""
A wxValidator that matches APDU in hexadecimal such as:
A4 A0 00 00 02
A4A0000002
__author__ = "http://www.gemalto.com"
Copyright 2001-2010 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
This file is part of pyscard.
pyscard 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, or
(at your option) any later version.
pyscard 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 pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import re
import string
import wx
# a regexp to match ATRs and APDUs
hexbyte="[0-9a-fA-F]{1,2}"
apduregexp = re.compile( "((%s)[ ]*)*" % hexbyte )
class APDUHexValidator( wx.PyValidator ):
'''A wxValidator that matches APDU in hexadecimal such as:
A4 A0 00 00 02
A4A0000002'''
def __init__(self ):
wx.PyValidator.__init__(self)
self.Bind( wx.EVT_CHAR, self.OnChar )
def Clone(self):
return APDUHexValidator()
def Validate( self, win ):
tc = self.GetWindow()
val = tc.GetValue()
if not apduregexp.match( value ):
return False
return True
def OnChar( self, event ):
key = event.GetKeyCode()
if wx.WXK_SPACE==key or chr(key) in string.hexdigits:
value = event.GetEventObject().GetValue()+chr(key)
if apduregexp.match( value ):
event.Skip()
return
if key < wx.WXK_SPACE or key == wx.WXK_DELETE or key > 255:
event.Skip()
return
if not wx.Validator_IsSilent():
wx.Bell()
return
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