#!/usr/bin/env python

import re

FUNC_SKEL = """#contributor : Andrew Gwozdziewycz <web@apgwoz.com>

#name : %(func_name)s(%(func_sig)s)

# --

%(func_name)s(%(func_args)s)$0"""

func_args_re = re.compile('([a-zA-Z0-9_]+) \((.*?)\)')

def split_func_args(file):

    fi = open(file)

    lines = [x for x in fi.xreadlines() if not x.startswith('  ')]

    fargs = []

    for n in lines:

        it = func_args_re.search(n)

        if it:

            print it.groups()

            fargs.append(it.groups())

    return fargs

def parse_args(args):

    args = args.split('[')

    argsl = args[0].split(',')

    argsout = []

    for arg in argsl:

        arg = arg.strip()

        pieces = arg.split()

        if len(pieces) == 2:

            argsout.append(pieces[1])

    if len(args) > 1 and len(args[1]):

        newa = '[' + args[1].rstrip()

        if not newa.endswith(']'):

            newa += ']'

        if len(argsout):

            argsout[-1] += newa

        else:

            argsout.append(newa)

    return argsout

def parse_definitions(file):

    functions = split_func_args(file)

    out = []

    for f in functions:

        args = parse_args(f[1])

        out.append((f[0], args))

    return out

def generate_snippets(outpath, defs):

    for d in defs:

        ellipsis = ', '.join(['...'] * len(d[1]))

        args = ', '.join(['${%s}' % x for x in d[1]])

        filename = d[0].replace('_', '.', 1).replace('_', '-')

        f = open(outpath + '/' + filename, 'w')

        f.write(FUNC_SKEL % {'func_sig': ellipsis,

                           'func_name': d[0],

                           'func_args': args})

if __name__ == "__main__":

    defs = parse_definitions("php-functions-with-args.txt")

    generate_snippets('php-mode', defs)