# -*- coding: utf-8 -*-

# Copyright (C) 2008 Osmo Salomaa
#
# 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 3 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, see <http://www.gnu.org/licenses/>.

"""Internationalization functions."""

import gettext
import locale
import nfoview

_translation = gettext.NullTranslations()


def bind():
    """Bind translation domains and initialize gettext."""
    global _translation
    d = nfoview.LOCALE_DIR
    with nfoview.util.silent(Exception):
        # Might fail with misconfigured locales.
        locale.setlocale(locale.LC_ALL, "")
    with nfoview.util.silent(Exception):
        # Not available on all platforms. Seems to be
        # needed by GTK+ applications and probably others
        # with C library dependencies that use gettext.
        locale.bindtextdomain("nfoview", d)
        locale.textdomain("nfoview")
    gettext.bindtextdomain("nfoview", d)
    gettext.textdomain("nfoview")
    _translation = gettext.translation("nfoview",
                                       localedir=d,
                                       fallback=True)

def _(message):
    """Return the localized translation of `message`."""
    return _translation.gettext(message)

def d_(domain, message):
    """Return the localized translation of `message` from `domain`."""
    return gettext.dgettext(domain, message)

def n_(singular, plural, n):
    """Return the localized translation of `singular` or `plural`."""
    return _translation.ngettext(singular, plural, n)
