root/bindings/java/extras/convert.py

#!/usr/bin/python
"""
vlc to jna almost-automatized interface converter.

This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details. 

"""

import sys

file = open('libvlc.h', 'r')

parameter_parsing = False
prototype_parsing = False

types_map = [
        ["const ", ""],
        ["VLC_PUBLIC_API ", ""],
        ["char**", "String[] "],
        ["char **" , "String[] "],
        ["char*" , "String "],
        ["char *" , "String "],
        ["libvlc_instance_t *", "LibVlcInstance "],
        ["libvlc_exception_t *", "libvlc_exception_t "],
        ["libvlc_log_t *", "LibVlcLog "],
        ["libvlc_log_iterator_t *", "LibVlcLogIterator "],
        ["libvlc_log_message_t *", "libvlc_log_message_t "],
        ["unsigned", "int"],
]

def convert_prototype(proto, parameters):
        #print proto
        #print parameters
        tokens = proto.split(",")
        last = tokens.pop().split(")")
        res = ''
        for i in tokens:
                param = parameters.pop(0)
                if i.find(param)==-1:
                        res += i + " " + param + ","
                else:
                        res += i + " ,"
        if len(parameters):
                param = parameters.pop(0)
                if last[0].find(param)==-1:
                        res += last[0] + " " + param + ")" + last[1]
                else:
                        res += last[0] + ")" + last[1]

        for k,v in types_map:
                res = res.replace(k,v)
        print res

for line in file.readlines():
        if line.find("/**")!=-1:
                parameters = []
                parameter_parsing = True

        if line.find("VLC_PUBLIC_API")!=-1:
                if not parameters:
                        continue
                prototype_line = ''
                prototype_parsing = True

        if parameter_parsing:
                param_index = line.find("\param ")
                if not param_index==-1:
                        parameter = line.split()[2]
                        parameters.append(parameter)
                if line.find("*/")!=-1:
                        parameter_parsing = False

        if prototype_parsing:
                prototype_line += line.strip()
                if line.find(");")!=-1:
                        prototype_parsing = False
                        convert_prototype(prototype_line, parameters)
                        parameters = None
                continue

        #sys.stdout.write(line)

# vi:ts=4