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Fix for rtl processing of menu strings...

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This commit is contained in:
Bastien Montagne 2012-10-04 13:49:39 +00:00
parent ef107d1a4d
commit 6527e8a1a8
1 changed files with 29 additions and 8 deletions
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37
release/scripts/modules/bl_i18n_utils/rtl_preprocess.py
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@ -34,6 +34,7 @@
import sys
import ctypes
import re
try:
import settings
@ -87,44 +88,64 @@ FRIBIDI_FLAGS_ARABIC = FRIBIDI_FLAG_SHAPE_ARAB_PRES | \
FRIBIDI_FLAG_SHAPE_ARAB_LIGA
MENU_DETECT_REGEX = re.compile("%x\\d+\\|")
##### Kernel processing funcs. #####
def protect_format_seq(msg):
"""
Find some specific escaping/formating sequences (like \", %s, etc.,
and protect them from any modification!
"""
# LRM = "\u200E"
# RLM = "\u200F"
LRE = "\u202A"
RLE = "\u202B"
PDF = "\u202C"
LRO = "\u202D"
RLO = "\u202E"
uctrl = {LRE, RLE, PDF, LRO, RLO}
# Most likely incomplete, but seems to cover current needs.
format_codes = set("tslfd")
digits = set(".0123456789")
if not msg:
return msg
elif MENU_DETECT_REGEX.search(msg):
# An ugly "menu" message, just force it whole LRE if not yet done.
if msg[0] not in {LRE, LRO}:
msg = LRE + msg
idx = 0
ret = []
ln = len(msg)
while idx < ln:
dlt = 1
# # If we find a control char, skip any additional protection!
# if msg[idx] in uctrl:
# ret.append(msg[idx:])
# break
# \" or \'
if idx < (ln - 1) and msg[idx] == '\\' and msg[idx + 1] in "\"\'":
dlt = 2
# %x12
elif idx < (ln - 2) and msg[idx] == '%' and msg[idx + 1] in "x" and \
msg[idx + 2] in digits:
# %x12|
elif idx < (ln - 2) and msg[idx] == '%' and msg[idx + 1] in "x" and msg[idx + 2] in digits:
dlt = 2
while (idx + dlt + 1) < ln and msg[idx + dlt + 1] in digits:
while (idx + dlt) < ln and msg[idx + dlt] in digits:
dlt += 1
if (idx + dlt) < ln and msg[idx + dlt] is '|':
dlt += 1
# %.4f
elif idx < (ln - 3) and msg[idx] == '%' and msg[idx + 1] in digits:
dlt = 2
while (idx + dlt + 1) < ln and msg[idx + dlt + 1] in digits:
while (idx + dlt) < ln and msg[idx + dlt] in digits:
dlt += 1
if (idx + dlt + 1) < ln and msg[idx + dlt + 1] in format_codes:
if (idx + dlt) < ln and msg[idx + dlt] in format_codes:
dlt += 1
else:
dlt = 1
# %s
elif idx < (ln - 1) and msg[idx] == '%' and \
msg[idx + 1] in format_codes:
elif idx < (ln - 1) and msg[idx] == '%' and msg[idx + 1] in format_codes:
dlt = 2
if dlt > 1: