import sys, os, getopt

def fancyopts(args, options, state, syntax=''):

    long=[]

    short=''

    map={}

    dt={}

    def help(state, opt, arg, options=options, syntax=syntax):

        print "Usage: ", syntax

        for s, l, d, c in options:

            opt=' '

            if s: opt = opt + '-' + s + ' '

            if l: opt = opt + '--' + l + ' '

            if d: opt = opt + '(' + str(d) + ')'

            print opt

            if c: print '   %s' % c

        sys.exit(0)

    if len(args) == 0:

        help(state, None, args)

    options=[('h', 'help', help, 'Show usage info')] + options

    for s, l, d, c in options:

        map['-'+s] = map['--'+l]=l

        state[l] = d

        dt[l] = type(d)

        if not d is None and not type(d) is type(help): s, l=s+':', l+'='      

        if s: short = short + s

        if l: long.append(l)

    if os.environ.has_key("HG_OPTS"):

        args = os.environ["HG_OPTS"].split() + args

    try:

        opts, args = getopt.getopt(args, short, long)

    except getopt.GetoptError:

        help(state, None, args)

        sys.exit(-1)

    for opt, arg in opts:

        if dt[map[opt]] is type(help): state[map[opt]](state,map[opt],arg)

        elif dt[map[opt]] is type(1): state[map[opt]] = int(arg)

        elif dt[map[opt]] is type(''): state[map[opt]] = arg

        elif dt[map[opt]] is type([]): state[map[opt]].append(arg)

        elif dt[map[opt]] is type(None): state[map[opt]] = 1

    return args