Source Code for Module Peach.Transformers.misc

 1   
 2  ''' 
 3  Misc transformers (eval, etc). 
 4  ''' 
 5   
 6  # 
 7  # Copyright (c) 2005-2007 Michael Eddington 
 8  # Copyright (c) 2004-2005 IOActive Inc. 
 9  # 
10  # Permission is hereby granted, free of charge, to any person obtaining a copy  
11  # of this software and associated documentation files (the "Software"), to deal 
12  # in the Software without restriction, including without limitation the rights  
13  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  
14  # copies of the Software, and to permit persons to whom the Software is  
15  # furnished to do so, subject to the following conditions: 
16  # 
17  # The above copyright notice and this permission notice shall be included in     
18  # all copies or substantial portions of the Software. 
19  # 
20  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  
21  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  
22  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  
23  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  
24  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
25  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
26  # SOFTWARE. 
27  # 
28   
29  # Authors: 
30  #   Michael Eddington (mike@phed.org) 
31   
32  # $Id: Peach.Transformers.misc-pysrc.html 1138 2008-08-16 19:39:03Z meddingt $ 
33   
34  import type, struct, sys 
35  from Peach.transformer import Transformer 
36  from Peach import transformer 
37   
38  #__all__ = ['Eval'] 
39   
40 -class Eval(Transformer): 
41          ''' 
42          Eval a statement.  Utility transformer for when all else fails. 
43          ''' 
44           
45          _eval = None 
46           
47 -        def __init__(self, eval, anotherTransformer = None): 
48                  ''' 
49                  Eval a statement.  Should include a formater (%s) for data. 
50                  ''' 
51                  self._eval = eval 
52                  transformer.Transformer.__init__(self, anotherTransformer) 
53           
54 -        def realEncode(self, data): 
55                  return eval(self._eval % data) 
56           
57   
58  # end 
59