def llimpl_FormatErrorW(code):
"Return a utf8-encoded msg and its length"
buf = lltype.malloc(rffi.CWCHARPP.TO, 1, flavor='raw')
buf[0] = lltype.nullptr(rffi.CWCHARP.TO)
try:
msglen = FormatMessageW(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS, None, rffi.cast(DWORD, code),
DEFAULT_LANGUAGE, rffi.cast(rffi.CWCHARP, buf), 0, None)
buflen = intmask(msglen)
# remove trailing cr/lf and dots
s_buf = buf[0]
while buflen > 0 and (ord(s_buf[buflen - 1]) <= ord(' ')
or s_buf[buflen - 1] == u'.'):
buflen -= 1
if buflen <= 0:
msg = 'Windows Error %d' % (code, )
result = msg, len(msg)
else:
result = rffi.wcharpsize2utf8(s_buf, buflen), buflen
finally:
LocalFree(rffi.cast(rffi.VOIDP, buf[0]))
lltype.free(buf, flavor='raw')
return result
def descr_tounicode(self, space):
""" tounicode() -> unicode
Convert the array to a unicode string. The array must be
a type 'u' array; otherwise a ValueError is raised. Use
array.tostring().decode() to obtain a unicode string from
an array of some other type.
"""
if self.typecode == 'u':
buf = rffi.cast(UNICODE_ARRAY, self._buffer_as_unsigned())
return space.newutf8(rffi.wcharpsize2utf8(buf, self.len), self.len)
else:
raise oefmt(space.w_ValueError,
"tounicode() may only be called on type 'u' arrays")
def decodeex(decodebuf,
stringdata,
errors="strict",
errorcb=None,
namecb=None,
ignore_error=0):
inleft = len(stringdata)
with rffi.scoped_nonmovingbuffer(stringdata) as inbuf:
if pypy_cjk_dec_init(decodebuf, inbuf, inleft) < 0:
raise MemoryError
while True:
r = pypy_cjk_dec_chunk(decodebuf)
if r == 0 or r == ignore_error:
break
multibytecodec_decerror(decodebuf, r, errors, errorcb, namecb,
stringdata)
src = pypy_cjk_dec_outbuf(decodebuf)
length = pypy_cjk_dec_outlen(decodebuf)
return rffi.wcharpsize2utf8(src,
length) # assumes no out-of-range chars
def wcharp2rawunicode(space, address, maxlength=-1):
if maxlength == -1:
return wcharp2unicode(space, address)
s = rffi.wcharpsize2utf8(rffi.cast(rffi.CWCHARP, address), maxlength)
return space.newutf8(s, maxlength)