libpurple/dbus-analyze-types.py

   1 # This program takes a C header/source as the input and produces
   2 #
   3 # with --keyword=enum: the list of all enums
   4 # with --keyword=struct: the list of all structs
   5 #
   6 # the output styles:
   7 #
   8 # --enum    DBUS_POINTER_NAME1,
   9 #           DBUS_POINTER_NAME2,
  10 #           DBUS_POINTER_NAME3,
  11 #
  12 # --list    NAME1
  13 #           NAME2
  14 #           NAME3
  15 #
  16
  17 from __future__ import print_function
  18 import re
  19 import sys
  20
  21 options = {}
  22
  23 def toprint(match, line):
  24     if verbatim:
  25         return line
  26     else:
  27         return pattern % match
  28
  29 for arg in sys.argv[1:]:
  30     if arg[0:2] == "--":
  31         mylist = arg[2:].split("=",1)
  32         command = mylist[0]
  33         if len(mylist) > 1:
  34             options[command] = mylist[1]
  35         else:
  36             options[command] = None
  37
  38 keyword = options.get("keyword", "struct")
  39 pattern = options.get("pattern", "%s")
  40 verbatim = "verbatim" in options
  41
  42 structregexp1 = re.compile(r"^(typedef\s+)?%s\s+\w+\s+(\w+)\s*;" % keyword)
  43 structregexp2 = re.compile(r"^(typedef\s+)?%s" % keyword)
  44 structregexp3 = re.compile(r"^}\s+(\w+)\s*;")
  45
  46 print("/* Generated by %s.  Do not edit! */" % sys.argv[0])
  47
  48 myinput = iter(sys.stdin)
  49
  50 for line in myinput:
  51     match = structregexp1.match(line)
  52     if match is not None:
  53         print(toprint(match.group(2), line))
  54         continue
  55
  56     match = structregexp2.match(line)
  57     if match is not None:
  58         while True:
  59             if verbatim:
  60                 print(line.rstrip())
  61             line = next(myinput)
  62             match = structregexp3.match(line)
  63             if match is not None:
  64                 print(toprint(match.group(1), line))
  65                 break
  66             if line[0] not in [" ", "\t", "{", "\n"]:
  67                 if verbatim:
  68                     print(line)
  69                 break