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segment.py

# vim:set et sts=4 sw=4:
# -*- coding: utf-8 -*-
#
# ibus-anthy - The Anthy engine for IBus
#
# Copyright (c) 2007-2008 Huang Peng <shawn.p.huang@gmail.com>
#
# 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.

#from ibus import unichar_half_to_full
from ibus import unichar_half_to_full as h_to_f
from tables import *

def unichar_half_to_full(c):
    tdl = {'"': u'\u201d', "'": u'\u2019', '`': u'\u2018'}
    return tdl[c] if c in tdl else h_to_f(c)

class Segment(object):
    def __init__(self, enchars=u"", jachars=u""):
        self._enchars = enchars
        self._jachars = jachars

    def append(self, enchar):
        raise NotImplementedError("append() is not implemented")

    def prepend(self, enchar):
        raise NotImplementedError("prepend() is not implemented")

    def pop(self, index=-1):
        raise NotImplementedError("pop() is not implemented")

    def is_finished(self):
        raise NotImplementedError("is_finised() is not implemented")

    def set_enchars(self, enchars):
        self.enchars = enchars

    def get_enchars(self):
        return self._enchars

    def set_jachars(self, jachars):
        self._jachars = jachars

    def get_jachars(self):
        return self._jachars

    def to_hiragana(self):
        if self._jachars:
            return self._jachars
        return self._enchars

    def to_katakana(self):
        if self._jachars:
            return u"".join(map(lambda c: hiragana_katakana_table.get(c, (c, c, c))[0], self._jachars))
        return self._enchars

    def to_half_width_katakana(self):
        if self._jachars:
            return u"".join(map(lambda c: hiragana_katakana_table.get(c, (c, c, c))[1], self._jachars))
        return self._enchars

    def to_latin(self):
        return self._enchars

    def to_wide_latin(self):
        return u"".join(map(unichar_half_to_full, self._enchars))

    def is_empty(self):
        if self._enchars or self._jachars:
            return False
        return True

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