# --------------------------------------------------------
# AUTHOR: Steven Bird
# DATE:   14 June 2005 (Revised by Stuart Robinson)
# DESC:   Add a CV field to show the consonant-vowel
#         skeleton of the word in the 'fri' field
# --------------------------------------------------------

import sys, re
from optparse import OptionParser
from shoebox.standardformat import StandardFormatFileParser

def cv(s):
    s = s.lower()
    s = re.sub(r'[^a-z]',     r'-', s)
    s = re.sub(r'[^aeiou\-]', r'C', s)
    s = re.sub(r'[aeiou]',    r'V', s)
    return (s)

def main() :
    try :
        filepath = sys.argv[1]
    except :
        sys.stderr.write("%s -f <FILEPATH>\n" % sys.argv[0])
        sys.exit(0)
        
    fp = StandardFormatFileParser(filepath)
    sff = fp.parse()

    print sff.getHeader()
    for entry in sff.getEntries() :
        headField = entry.getHeadField()
        frisian = headField[1]
        entry.addField("cv", cv(frisian))
        print entry

main()