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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) 2007-2010 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.
import romaji
import kana
import thumb
from segment import unichar_half_to_full
HalfSymbolTable = {}
for i in range(32, 127):
if not chr(i).isalnum():
HalfSymbolTable[unichar_half_to_full(chr(i))] = chr(i)
HalfNumberTable = {}
for i in range(10):
HalfNumberTable[unichar_half_to_full(str(i))] = str(i)
PeriodTable = {u'。': u'．', u'、': u'，', u'｡': u'.', u'､': u','}
SymbolTable = {}
SymbolTable[0] = {u'「': u'「', u'」': u'」', u'／': u'／'}
SymbolTable[1] = {u'「': u'「', u'」': u'」', u'／': u'・'}
SymbolTable[2] = {u'「': u'［', u'」': u'］', u'／': u'／'}
SymbolTable[3] = {u'「': u'［', u'」': u'］', u'／': u'・'}
TYPING_MODE_ROMAJI, \
TYPING_MODE_KANA, \
TYPING_MODE_THUMB_SHIFT = range(3)
class JaString:
def __init__(self, mode=TYPING_MODE_ROMAJI):
self.__mode = mode
self.reset()
def reset(self):
self.__cursor = 0
self.__segments = list()
self.__shift = False
def set_mode(self, mode):
self.__mode = mode
self.reset()
def set_shift(self, shift):
self.__shift = shift
def insert(self, c):
segment_before = None
segment_after = None
new_segments = None
if self.__cursor >= 1:
segment_before = self.__segments[self.__cursor - 1]
if self.__cursor < len(self.__segments):
segment_after = self.__segments[self.__cursor]
if segment_before and not segment_before.is_finished():
if type(segment_before) == romaji.RomajiSegment:
new_segments = segment_before.append(c, self.__shift)
else:
new_segments = segment_before.append(c)
elif segment_after and not segment_after.is_finished():
if type(segment_after) == romaji.RomajiSegment:
new_segments = segment_after.prepend(c, self.__shift)
else:
new_segments = segment_after.prepend(c)
else:
if c != u"\0" and c != u"":
if self.__mode == TYPING_MODE_ROMAJI:
new_segments = [romaji.RomajiSegment(c, u"", self.__shift)]
elif self.__mode == TYPING_MODE_KANA:
# kana mode doesn't have shift latin in MS.
new_segments = [kana.KanaSegment(c)]
elif self.__mode == TYPING_MODE_THUMB_SHIFT:
new_segments = [thumb.ThumbShiftSegment(c)]
if new_segments:
self.__segments[self.__cursor:self.__cursor] = new_segments
self.__cursor += len(new_segments)
def remove_before(self):
index = self.__cursor - 1
if index >= 0:
segment = self.__segments[index]
segment.pop()
if segment.is_empty():
del self.__segments[index]
self.__cursor = index
return True
return False
def remove_after(self):
index = self.__cursor
if index < len(self.__segments):
segment = self.__segments[index]
segment.pop()
if segment.is_empty():
del self.__segments[index]
return True
return False
def get_string(self, type):
pass
def move_cursor(self, delta):
self.__cursor += delta
if self.__cursor < 0:
self.__cursor = 0
elif self.__cursor > len(self.__segments):
self.__cursor = len(self.__segments)
def _chk_text(self, s):
period = self._prefs.get_value('common', 'period_style')
symbol = self._prefs.get_value('common', 'symbol_style')
half_symbol = self._prefs.get_value('common', 'half_width_symbol')
half_number = self._prefs.get_value('common', 'half_width_number')
ret = ''
for c in s:
c = c if not period else PeriodTable.get(c, c)
c = c if not symbol else SymbolTable[symbol].get(c, c)
c = c if not half_symbol else HalfSymbolTable.get(c, c)
c = c if not half_number else HalfNumberTable.get(c, c)
ret += c
return ret
def get_hiragana(self, commit=False):
conv = lambda s: s.to_hiragana()
R = lambda s: s if not (commit and s[-1:] == u'n') else s[:-1] + u'ん'
text_before = R(u"".join(map(conv, self.__segments[:self.__cursor])))
text_after = R(u"".join(map(conv, self.__segments[self.__cursor:])))
return self._chk_text(text_before + text_after), len(text_before)
def get_katakana(self, commit=False):
conv = lambda s: s.to_katakana()
R = lambda s: s if not (commit and s[-1:] == u'n') else s[:-1] + u'ン'
text_before = R(u"".join(map(conv, self.__segments[:self.__cursor])))
text_after = R(u"".join(map(conv, self.__segments[self.__cursor:])))
return self._chk_text(text_before + text_after), len(text_before)
def get_half_width_katakana(self, commit=False):
conv = lambda s: s.to_half_width_katakana()
R = lambda s: s if not (commit and s[-1:] == u'n') else s[:-1] + u'ﾝ'
text_before = R(u"".join(map(conv, self.__segments[:self.__cursor])))
text_after = R(u"".join(map(conv, self.__segments[self.__cursor:])))
return self._chk_text(text_before + text_after), len(text_before)
def get_latin(self):
conv = lambda s: s.to_latin()
text_before = u"".join(map(conv, self.__segments[:self.__cursor]))
text_after = u"".join(map(conv, self.__segments[self.__cursor:]))
return text_before + text_after, len(text_before)
def get_wide_latin(self):
conv = lambda s: s.to_wide_latin()
text_before = u"".join(map(conv, self.__segments[:self.__cursor]))
text_after = u"".join(map(conv, self.__segments[self.__cursor:]))
return text_before + text_after, len(text_before)
def is_empty(self):
return all(map(lambda s: s.is_empty(), self.__segments))
def get_raw(self, start, end):
i = 0
r = u''
for s in self.__segments:
if i >= end:
break
elif start <= i:
r += s.to_latin()
i += len(s.to_hiragana())
return r
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