#!/usr/bin/python

import polib
import binascii
import getopt
import sys
import os.path
from subprocess import check_output, Popen, PIPE

try:
    myopts, args = getopt.getopt(sys.argv[1:], "i:o:")
except getopt.GetoptError as e:
    print(" Syntax: hrcex -i FileIn -o FileOut")
    print(" FileIn:   Source files (*.ui)")
    print(" FileOut:  Destination file (*.*)")
    sys.exit(2)

for o, a in myopts:
    if o == '-i':
        ifile = a
    elif o == '-o':
        ofile = a

with open(ofile, "a") as output:
    xgettext = Popen(["xgettext", "-C", "--add-comments", "--keyword=NC_:1c,2", "--keyword=NNC_:1c,2,3", "--from-code=UTF-8", "--no-wrap", ifile, "-o", "-"], stdout=PIPE)
    # while overall format is c++, all of the strings use custom placeholders and don't follow c-format
    # esp. plain percent sign never is escaped explicitly
    input = check_output(['sed', '-e', '/^#, c-format$/d'], stdin=xgettext.stdout)
    xgettext.wait()
    po = polib.pofile(input)
    if len(po) != 0:
        print >> output, ""
        for entry in po:
            keyid = entry.msgctxt + '|' + entry.msgid
            print >> output, '#. ' + polib.genKeyId(keyid)
            for i, occurrence in enumerate(entry.occurrences):
                entry.occurrences[i] = os.path.relpath(occurrence[0], os.environ['SRCDIR']), occurrence[1]
            print >> output, entry