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#!/usr/bin/env python
"""
#  b43 firmware assembly code beautifier
#
#  Copyright (C) 2008-2010 Michael Buesch <m@bues.ch>
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License version 3
#  as published by the Free Software Foundation.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

import getopt
import sys
from libb43 import *


def usage():
        print "b43 firmware assembly code beautifier"
        print ""
        print "Copyright (C) 2008 Michael Buesch <m@bues.ch>"
        print "Licensed under the GNU/GPL version 3"
        print ""
        print "Usage: b43-beautifier [OPTIONS]"
        print ""
        print "-h|--help            Print this help text"
        print "-a|--asmfile [FILE]  Assembly code source file"
        print "-d|--defs [DIR]      Directory containing the defs files"
        print ""
        print "The options  -d  and  -a  are essential."
        print "The \"include\" directory can be used for --defs"

def parseArgs():
        global opt_asmfile
        global opt_defsfiles

        opt_asmfile = None
        opt_defsfiles = None

        try:
                (opts, args) = getopt.getopt(sys.argv[1:],
                        "ha:d:",
                        [ "help", "asmfile=", "defs=" ])
        except getopt.GetoptError:
                usage()
                sys.exit(1)

        for (o, v) in opts:
                if o in ("-h", "--help"):
                        usage()
                        sys.exit(0)
                if o in ("-a", "--asmfile"):
                        opt_asmfile = v
                if o in ("-d", "--defs"):
                        opt_defsfiles = v

        if not opt_asmfile:
                print "Must provide --asmfile"
                sys.exit(1)
        if not opt_defsfiles:
                print "Must provide --defs"
                sys.exit(1)

def main():
        parseArgs()

        try:
                asm = file(opt_asmfile).read()
        except IOError, e:
                print "Could not read asmfile %s: %s" % (e.filename, e.strerror)
                return 1
        try:
                b = B43Beautifier(asm, opt_defsfiles)
                sys.stdout.write(b.getAsm())
        except B43Exception:
                return 1
        return 0

if __name__ == "__main__":
        sys.exit(main())