00001 '''
00002 Copyright (C) 2007 Martin Owens
00003
00004 This program is free software; you can redistribute it and/or modify
00005 it under the terms of the GNU General Public License as published by
00006 the Free Software Foundation; either version 2 of the License, or
00007 (at your option) any later version.
00008
00009 This program is distributed in the hope that it will be useful,
00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00012 GNU General Public License for more details.
00013
00014 You should have received a copy of the GNU General Public License
00015 along with this program; if not, write to the Free Software
00016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00017 '''
00018
00019 import Code39
00020
00021 encode = list('ABCDEFGHIJKLMNOPQRSTUVWXYZ')
00022
00023 map = {}
00024
00025 i = 0
00026 for char in encode:
00027 map[char] = i
00028 i = i + 1
00029
00030
00031 def getMap(array):
00032 result = {}
00033 y = 0
00034 for x in array:
00035 result[chr(x)] = encode[y]
00036 y = y + 1
00037
00038 return result;
00039
00040
00041 mapA = getMap([27,28,29,30,31,59,60,61,62,63,91,92,93,94,95,123,124,125,126,127,0,64,96,127,127,127])
00042 mapB = getMap(range(1, 26))
00043 mapC = getMap(range(33, 58))
00044 mapD = getMap(range(97, 122))
00045
00046 class Object(Code39.Object):
00047 def encode(self, text):
00048
00049 result = ''
00050 for char in text:
00051 if mapA.has_key(char):
00052 char = '%' + mapA[char]
00053 elif mapB.has_key(char):
00054 char = '$' + mapB[char]
00055 elif mapC.has_key(char):
00056 char = '/' + mapC[char]
00057 elif mapD.has_key(char):
00058 char = '+' + mapD[char]
00059 result = result + char
00060
00061 return Code39.Object.encode(self, result);
00062