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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) 2010-2017 Takao Fujiwara <takao.fujiwara1@gmail.com>
# Copyright (c) 2007-2017 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
_UNFINISHED_HIRAGANA = set(u'かきくけこさしすせそたちつてとはひふへほ')
class KanaSegment(segment.Segment):
_prefs = None
_kana_typing_rule_method = None
_kana_voiced_consonant_rule = None
_kana_voiced_consonant_dict = None
def __init__(self, enchars=u'', jachars=u''):
if not jachars:
jachars = self.__get_kana_typing_rule(enchars, u'')
super(KanaSegment, self).__init__(enchars, jachars)
@classmethod
def INIT_KANA_TYPING_RULE(cls, prefs):
cls._prefs = prefs
if prefs == None:
cls._kana_typing_rule_method = None
return
if cls._kana_typing_rule_method == None:
cls._init_kana_typing_method()
if cls._kana_voiced_consonant_rule == None and \
cls._kana_typing_rule_method != None:
cls._init_kana_voiced_consonant_rule()
@classmethod
def _init_kana_typing_method(cls, method=None):
prefs = cls._prefs
if method == None:
method = prefs.get_value('kana-typing-rule', 'method')
if method == None:
method = 'jp'
cls._kana_typing_rule_method = method
keymap = prefs.get_value('kana-typing-rule', 'list')
if cls._kana_typing_rule_method not in keymap.keys():
cls._kana_typing_rule_method = None
@classmethod
def _init_kana_voiced_consonant_rule(cls):
prefs = cls._prefs
# Create kana_voiced_consonant_rule dynamically.
# E.g. 't' + '@' on jp kbd becomes Hiragana GA
# 't' + '[' on us kbd becomes Hiragana GA
# If the customized table provides U+309b with other chars,
# it needs to be detected dynamically.
cls._kana_voiced_consonant_rule = {}
method = cls._kana_typing_rule_method
keymap = prefs.get_value('kana-typing-rule', 'list')[method]
for gkey in keymap.keys():
value = keymap[gkey]
key = prefs.typing_from_config_key(gkey)
if key == '':
continue
if value == unichr(0x309b).encode('utf-8'):
for no_voiced, voiced in \
kana_voiced_consonant_no_rule.items():
rule = no_voiced + key.decode('utf-8')
cls._kana_voiced_consonant_rule[rule] = voiced
if value == unichr(0x309c).encode('utf-8'):
for no_voiced, voiced in \
kana_semi_voiced_consonant_no_rule.items():
rule = no_voiced + key.decode('utf-8')
cls._kana_voiced_consonant_rule[rule] = voiced
@classmethod
def RESET(cls, prefs, section, key, value):
cls._prefs = prefs
if section == 'kana-typing-rule' and value != None:
cls._kana_typing_rule_method = None
cls._kana_voiced_consonant_rule = None
cls.INIT_KANA_TYPING_RULE(prefs)
def __get_kana_typing_rule(self, enchars, retval=None):
prefs = self._prefs
value = None
method = self._kana_typing_rule_method
if method != 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
enchars = gkey
keymap = prefs.get_value('kana-typing-rule', 'list')[method]
value = prefs.unicode(keymap.get(enchars))
if value == '':
value = None
if value == None:
value = retval
else:
value = kana_typing_rule_static.get(enchars, retval)
return value
def is_finished(self):
return not (self._jachars in _UNFINISHED_HIRAGANA)
def append(self, enchar):
if enchar == u'\0' or enchar == u'':
return []
if self._jachars:
text = self._jachars + enchar
if self._kana_voiced_consonant_rule != None:
jachars = self._kana_voiced_consonant_rule.get(text, None)
if jachars:
self._enchars = self._enchars + enchar
self._jachars = jachars
return []
return [KanaSegment(enchar)]
self._enchars = self._enchars + enchar
self._jachars = self.__get_kana_typing_rule(self._enchars, u'')
return []
def prepend(self, enchar):
if enchar == u'\0' or enchar == u'':
return []
if self._enchars == u'':
self._enchars = enchar
self._jachars = self.__get_kana_typing_rule(self._enchars, u'')
return []
return [KanaSegment(enchar)]
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)
self._jachars = self.__get_kana_typing_rule(self._enchars, u'')
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