#!/usr/bin/python
# Time-stamp: <2005-03-12 05:56:34 poser>
#
# Translate "North American IPA" to standard IPA.
#
# Copyright (C) 2004, 2005 William J. Poser (billposer@alum.mit.edu)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# or go to the web page:  http://www.gnu.org/licenses/gpl.txt.

import sys
import codecs

AsciiP = 0
CntP   = 1

#Handle command line arguments
argc = len(sys.argv)
if argc > 1:
    if sys.argv[1] == "-h":
        sys.stdout.write("Filter to translate North American IPA to standard IPA.\n")
        sys.stdout.write("Input should be in UTF-8 Unicode.\n")
        sys.exit(1)
    if sys.argv[1] == "-v":
        sys.stdout.write("StandardizeIPA 1.1\n")
        sys.exit(1)

#Now do main work

(utf8_encode, utf8_decode, utf8_reader, utf8_writer) = codecs.lookup('utf-8')
infile = utf8_reader(sys.stdin)
outfile = utf8_writer(sys.stdout)
while 1:
    try:
        ch = infile.read(1)
        if not ch:
            sys.exit(0)
        c = ord(ch)    
        if c == 0x0079:   # high front glide
            outfile.write(unichr(0x006A))
        elif c == 0x00FC: # high front rounded vowel
            outfile.write(unichr(0x0079))
        elif c == 0x0161: # voiceless palatal fricative
            outfile.write(unichr(0x0283))
        elif c == 0x017E: # voiced palatal fricative
            outfile.write(unichr(0x0292))
        elif c == 0x010D: # voiceless palatal affricate
            outfile.write(unichr(0x0074))
            outfile.write(unichr(0x0283))
        elif c == 0x01F0: #voiced palatal affricate
            outfile.write(unichr(0x0064))
            outfile.write(unichr(0x0292))
        elif c == 0x006A: #voiced palatal affricate
            outfile.write(unichr(0x0064))
            outfile.write(unichr(0x0292))
        elif c == 0x00F1: #palatal nasal
            outfile.write(unichr(0x0272))
        elif c == 0x00F6: #mid front rounded vowel
            outfile.write(unichr(0x0153))
        else:
            outfile.write(ch)
    except IOError:
        sys.exit(0)
    except SystemExit:
        sys.exit(0)