#!/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 = {}

split_pattern = re.compile(r'([^"]*")([^,]*,)([^,]*,)([^"]*)(".*)')

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)

entry.extend(",".join(bindings) + ",")

entry.append(match.group(5))

controllers.append(entry)

def write_controllers():

global controllers

global controller_guids

for entry in sorted(controllers, key=lambda entry: entry[2]):

line = "".join(entry) + "\n"

if not line.endswith(",\n") and not line.endswith("*/\n"):

print("Warning: '%s' is missing a comma at the end of the line" % (line))

if (entry[1] in controller_guids):

print("Warning: entry '%s' is duplicate of entry '%s'" % (entry[2], controller_guids[entry[1]][2]))

controller_guids[entry[1]] = entry

output.write(line)

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)