sort_controllers.py
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#!/usr/bin/env python
#
# Script to sort the game controller database entries in SDL_gamecontroller.c
import re
filename = "SDL_gamecontrollerdb.h"
input = open(filename)
output = open(filename + ".new", "w")
parsing_controllers = False
controllers = []
controller_guids = {}
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conditionals = []
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split_pattern = re.compile(r'([^"]*")([^,]*,)([^,]*,)([^"]*)(".*)')
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def find_element(prefix, bindings):
i=0
for element in bindings:
if element.startswith(prefix):
return i
i=(i + 1)
return -1
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def save_controller(line):
global controllers
match = split_pattern.match(line)
entry = [ match.group(1), match.group(2), match.group(3) ]
bindings = sorted(match.group(4).split(","))
if (bindings[0] == ""):
bindings.pop(0)
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pos=find_element("sdk", bindings)
if pos >= 0:
bindings.append(bindings.pop(pos))
pos=find_element("hint:", bindings)
if pos >= 0:
bindings.append(bindings.pop(pos))
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entry.extend(",".join(bindings) + ",")
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entry.append(match.group(5))
controllers.append(entry)
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if ',sdk' in line or ',hint:' in line:
conditionals.append(entry[1])
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def write_controllers():
global controllers
global controller_guids
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# Check for duplicates
for entry in controllers:
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if (entry[1] in controller_guids and entry[1] not in conditionals):
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current_name = entry[2]
existing_name = controller_guids[entry[1]][2]
print("Warning: entry '%s' is duplicate of entry '%s'" % (current_name, existing_name))
if (not current_name.startswith("(DUPE)")):
entry[2] = "(DUPE) " + current_name
if (not existing_name.startswith("(DUPE)")):
controller_guids[entry[1]][2] = "(DUPE) " + existing_name
controller_guids[entry[1]] = entry
for entry in sorted(controllers, key=lambda entry: entry[2]+"-"+entry[1]):
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line = "".join(entry) + "\n"
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line = line.replace("\t", " ")
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if not line.endswith(",\n") and not line.endswith("*/\n"):
print("Warning: '%s' is missing a comma at the end of the line" % (line))
output.write(line)
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controllers = []
controller_guids = {}
for line in input:
if (parsing_controllers):
if (line.startswith("{")):
output.write(line)
elif (line.startswith(" NULL")):
parsing_controllers = False
write_controllers()
output.write(line)
elif (line.startswith("#if")):
print("Parsing " + line.strip())
output.write(line)
elif (line.startswith("#endif")):
write_controllers()
output.write(line)
else:
save_controller(line)
else:
if (line.startswith("static const char *s_ControllerMappings")):
parsing_controllers = True
output.write(line)
output.close()
print("Finished writing %s.new" % filename)