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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) 2010-2012 Takao Fujiwara <takao.fujiwara1@gmail.com>
# Copyright (c) 2007-2012 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, 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 tables import *
import segment
import sys
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
def __init__(self, enchars=u"", jachars=u"", shift=False):
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, 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
def __get_romaji_typing_rule(self, enchars, retval=None):
prefs = self._prefs
value = None
section = self._romaji_typing_rule_section
if section != None:
try:
# U+A5 needs to be UTF-8 since gconf values are
# disk saved values.
enchars = enchars.encode('utf-8')
except:
print >> sys.stderr, \
"Failed to encode UTF-8:", enchars
if enchars in prefs.keys(section):
value = unicode(str(prefs.get_value(section, enchars)))
else:
value = prefs.get_value_direct(section, enchars)
if value != None:
value = unicode(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):
if self.is_finished():
if enchar == u"" and enchar == u"\0":
return []
return [RomajiSegment(enchar)]
text = self._enchars + enchar
if shift:
self._enchars = text
return []
jachars = self.__get_romaji_typing_rule(text, None)
if jachars == None:
jachars = symbol_rule.get(text, None)
if jachars:
self._enchars = text
self._jachars = jachars
return []
jachars, c = romaji_double_consonat_typing_rule.get(text, (None, None))
if jachars:
self._enchars = text[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[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[: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[: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[:i]
if c:
return [jasegment, RomajiSegment(c)]
return [jasegment]
self._enchars = text
return []
def prepend(self, enchar, shift=False):
if enchar == u"" or enchar == u"\0":
return []
if self.is_finished():
return [RomajiSegment(enchar)]
text = enchar + self._enchars
if shift:
self._enchars = text
return []
jachars = self.__get_romaji_typing_rule(text, None)
if jachars == None:
jachars = symbol_rule.get(text, None)
if jachars:
self._enchars = text
self._jachars = jachars
return []
jachars, c = romaji_double_consonat_typing_rule.get(text, (None, None))
if jachars:
self._enchars = c
return [RomajiSegment(text[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[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[i:]
return [jasegment]
jachars, c = romaji_double_consonat_typing_rule.get(enchars, (None, None))
if jachars:
self._enchars = c + text[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[i:]
return [RomajiSegment(enchars[:-len(c)], jachars)]
self._enchars = text
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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