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# vim:set et sts=4 sw=4:
# -*- coding: utf-8 -*-
#
# ibus-anthy - The Anthy engine for IBus
#
# Copyright (c) 2007-2008 Peng Huang <shawn.p.huang@gmail.com>
# Copyright (c) 2010-2013 Takao Fujiwara <takao.fujiwara1@gmail.com>
# Copyright (c) 2007-2013 Red Hat, Inc.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import sys
from tables import *
import segment
def romaji_correction_rule_get(k, d):
return (u'ん', k[1:2]) if k[0:1] == u'n' and not k[1:2] in u"aiueony'" else d
class RomajiSegment(segment.Segment):
_prefs = None
_romaji_typing_rule_section = None
_latin_with_shift = True
_shift_mode = False
def __init__(self, enchars=u'', jachars=u'', shift=False, unshift=False):
if self._latin_with_shift:
# If Shift key is pressed, Latin mode.
# If Hiragana_Katakana key is pressed, Hiragana mode.
if shift:
self._shift_mode = True
if unshift:
self._shift_mode = False
enchars_orig = enchars
# Even if the chars are capital with CapsLock, Hiragana
# should be converted. E.g. 'SA'
enchars = enchars.lower()
if not jachars and not shift:
jachars = self.__get_romaji_typing_rule(enchars, None)
if jachars == None:
jachars = symbol_rule.get(enchars, u'')
super(RomajiSegment, self).__init__(enchars_orig, jachars)
@classmethod
def INIT_ROMAJI_TYPING_RULE(cls, prefs):
cls._prefs = prefs
if prefs == None:
cls._romaji_typing_rule_section = None
return
method = prefs.get_value('romaji_typing_rule', 'method')
if method == None:
method = 'default'
cls._romaji_typing_rule_section = 'romaji_typing_rule/' + method
if cls._romaji_typing_rule_section not in prefs.sections():
cls._romaji_typing_rule_section = None
@classmethod
def SET_LATIN_WITH_SHIFT(cls, latin_with_shift):
# Do not use IBus.Config in every conversion for the performance.
cls._latin_with_shift = latin_with_shift
def __get_romaji_typing_rule(self, enchars, retval=None):
prefs = self._prefs
value = None
section = self._romaji_typing_rule_section
if section != None:
# Need to send Unicode to typing_to_config_key instead of UTF-8
# not to separate U+A5
gkey = prefs.typing_to_config_key(enchars)
if gkey == '':
return None
if gkey in prefs.keys(section):
value = prefs.unicode(prefs.str(
prefs.get_value(section, gkey)))
else:
prefs.set_no_key_warning(True)
value = prefs.get_value_direct(section, gkey)
prefs.set_no_key_warning(False)
if value != None:
value = prefs.unicode(prefs.str(value))
if value == '':
value = None
if value == None:
value = retval
else:
value = romaji_typing_rule_static.get(enchars, retval)
return value
def is_finished(self):
return self._jachars != u''
def append(self, enchar, shift=False, unshift=False):
if self.is_finished():
if enchar == u'' and enchar == u'\0':
return []
return [RomajiSegment(enchar)]
text_orig = self._enchars + enchar
text = text_orig.lower()
if self._latin_with_shift:
# If Shift key is pressed, Latin mode.
# If Hiragana_Katakana key is pressed, Hiragana mode.
if shift:
self._shift_mode = True
if unshift:
self._shift_mode = False
if self._shift_mode:
self._enchars = text_orig
return []
if shift:
self._enchars = text_orig
return []
jachars = self.__get_romaji_typing_rule(text, None)
if jachars == None:
jachars = symbol_rule.get(text, None)
if jachars:
self._enchars = text_orig
self._jachars = jachars
return []
jachars, c = romaji_double_consonat_typing_rule.get(text, (None, None))
if jachars:
self._enchars = text_orig[0]
self._jachars = jachars
return [RomajiSegment(c)]
# jachars, c = romaji_correction_rule.get(text, (None, None))
jachars, c = romaji_correction_rule_get(text, (None, None))
if jachars:
self._enchars = text_orig[0]
self._jachars = jachars
return [RomajiSegment(c)]
for i in range(-min(4, len(text)), 0):
enchars = text[i:]
jachars = self.__get_romaji_typing_rule(enchars, None)
if jachars == None:
jachars = symbol_rule.get(enchars, None)
if jachars:
jasegment = RomajiSegment(enchars, jachars)
self._enchars = text_orig[:i]
return [jasegment]
jachars, c = romaji_double_consonat_typing_rule.get(enchars, (None, None))
if jachars:
jasegment = RomajiSegment(enchars[:-len(c)], jachars)
self._enchars = text_orig[:i]
if c:
return [jasegment, RomajiSegment(c)]
return [jasegment]
# jachars, c = romaji_correction_rule.get(enchars, (None, None))
jachars, c = romaji_correction_rule_get(enchars, (None, None))
if jachars:
jasegment = RomajiSegment(enchars[:-len(c)], jachars)
self._enchars = text_orig[:i]
if c:
return [jasegment, RomajiSegment(c)]
return [jasegment]
self._enchars = text_orig
return []
def prepend(self, enchar, shift=False, unshift=False):
if enchar == u'' or enchar == u'\0':
return []
if self.is_finished():
return [RomajiSegment(enchar)]
text_orig = enchar + self._enchars
text = text_orig.lower()
if self._latin_with_shift:
if shift:
self._shift_mode = True
if unshift:
self._shift_mode = False
if self._shift_mode:
self._enchars = text_orig
return []
if shift:
self._enchars = text_orig
return []
jachars = self.__get_romaji_typing_rule(text, None)
if jachars == None:
jachars = symbol_rule.get(text, None)
if jachars:
self._enchars = text_orig
self._jachars = jachars
return []
jachars, c = romaji_double_consonat_typing_rule.get(text, (None, None))
if jachars:
self._enchars = c
return [RomajiSegment(text_orig[0], jachars)]
# jachars, c = romaji_correction_rule.get(text, (None, None))
jachars, c = romaji_correction_rule_get(text, (None, None))
if jachars:
self._enchars = c
return [RomajiSegment(text_orig[0], jachars)]
for i in range(min(4, len(text)), 0, -1):
enchars = text[:i]
jachars = self.__get_romaji_typing_rule(enchars, None)
if jachars == None:
jachars = symbol_rule.get(enchars, None)
if jachars:
jasegment = RomajiSegment(enchars, jachars)
self._enchars = text_orig[i:]
return [jasegment]
jachars, c = romaji_double_consonat_typing_rule.get(enchars, (None, None))
if jachars:
self._enchars = c + text_orig[i:]
return [RomajiSegment(enchars[:-len(c)], jachars)]
# jachars, c = romaji_correction_rule.get(enchars, (None, None))
jachars, c = romaji_correction_rule_get(enchars, (None, None))
if jachars:
self._enchars = c + text_orig[i:]
return [RomajiSegment(enchars[:-len(c)], jachars)]
self._enchars = text_orig
return []
def pop(self, index=-1):
if index == -1:
index = len(self._enchars) - 1
if index < 0 or index >= len(self._enchars):
raise IndexError('Out of bound')
if self.is_finished():
self._enchars = u''
self._jachars = u''
else:
enchars = list(self._enchars)
del enchars[index]
self._enchars = u''.join(enchars)
jachars = self.__get_romaji_typing_rule(self._enchars, None)
if jachars == None:
jachars = symbol_rule.get(self._enchars, u'')
self._jachars = jachars
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