SDL  2.0
sort_controllers.py
Go to the documentation of this file.
1 #!/usr/bin/env python
2 #
3 # Script to sort the game controller database entries in SDL_gamecontroller.c
4 
5 import re
6 
7 
8 filename = "SDL_gamecontrollerdb.h"
9 input = open(filename)
10 output = open(filename + ".new", "w")
11 parsing_controllers = False
12 controllers = []
13 controller_guids = {}
14 split_pattern = re.compile(r'([^"]*")([^,]*,)([^,]*,)([^"]*)(".*)')
15 
16 def save_controller(line):
17  global controllers
18  match = split_pattern.match(line)
19  entry = [ match.group(1), match.group(2), match.group(3) ]
20  bindings = sorted(match.group(4).split(","))
21  if (bindings[0] == ""):
22  bindings.pop(0)
23  entry.extend(",".join(bindings) + ",")
24  entry.append(match.group(5))
25  controllers.append(entry)
26 
28  global controllers
29  global controller_guids
30  for entry in sorted(controllers, key=lambda entry: entry[2]):
31  line = "".join(entry) + "\n"
32  if not line.endswith(",\n") and not line.endswith("*/\n"):
33  print("Warning: '%s' is missing a comma at the end of the line" % (line))
34  if (entry[1] in controller_guids):
35  print("Warning: entry '%s' is duplicate of entry '%s'" % (entry[2], controller_guids[entry[1]][2]))
36  controller_guids[entry[1]] = entry
37 
38  output.write(line)
39  controllers = []
40  controller_guids = {}
41 
42 for line in input:
43  if (parsing_controllers):
44  if (line.startswith("{")):
45  output.write(line)
46  elif (line.startswith(" NULL")):
47  parsing_controllers = False
49  output.write(line)
50  elif (line.startswith("#if")):
51  print("Parsing " + line.strip())
52  output.write(line)
53  elif (line.startswith("#endif")):
55  output.write(line)
56  else:
57  save_controller(line)
58  else:
59  if (line.startswith("static const char *s_ControllerMappings")):
60  parsing_controllers = True
61 
62  output.write(line)
63 
64 output.close()
65 print("Finished writing %s.new" % filename)
def save_controller(line)