def convert_to_object(self, cdata):
if self.value_fits_ulong:
value = misc.read_raw_ulong_data(cdata, self.size)
if self.value_fits_long:
return self.space.wrap(intmask(value))
else:
return self.space.wrap(value) # r_uint => 'long' object
else:
return self._convert_to_object_longlong(cdata)
def cast_to_int(self, cdata):
if self.is_signed_wchar:
value = misc.read_raw_long_data(cdata, self.size)
return self.space.newint(value)
else:
value = misc.read_raw_ulong_data(cdata, self.size)
if self.size < rffi.sizeof(lltype.Signed):
return self.space.newint(intmask(value))
else:
return self.space.newint(value) # r_uint => 'long' object
def convert_to_object(self, cdata):
value = misc.read_raw_ulong_data(cdata, self.size) # r_uint
try:
utf8 = rutf8.unichr_as_utf8(value, allow_surrogates=True)
except rutf8.OutOfRange:
if self.is_signed_wchar:
s = hex(intmask(value))
else:
s = hex(value)
raise oefmt(self.space.w_ValueError,
"%s out of range for conversion to unicode: %s",
self.name, s)
return self.space.newutf8(utf8, 1)
def convert_to_object(self, cdata):
if self.is_signed_wchar:
unichardata = rffi.cast(rffi.CWCHARP, cdata)
return self.space.newunicode(unichardata[0])
else:
value = misc.read_raw_ulong_data(cdata, self.size) # r_uint
try:
u = wchar_helper.ordinal_to_unicode(value)
except wchar_helper.OutOfRange as e:
raise oefmt(
self.space.w_ValueError, "char32_t out of range for "
"conversion to unicode: %s", hex(e.ordinal))
return self.space.newunicode(u)
def _convert_to_charN_t(self, w_ob):
# returns a r_uint. If self.size == 2, it is smaller than 0x10000
space = self.space
if space.isinstance_w(w_ob, space.w_unicode):
w_u = space.convert_arg_to_w_unicode(w_ob)
if w_u._len() != 1:
raise self._convert_error("single character", w_ob)
ordinal = rutf8.codepoint_at_pos(w_u._utf8, 0)
if self.size == 2 and ordinal > 0xFFFF:
raise self._convert_error("single character <= 0xFFFF", w_ob)
return r_uint(ordinal)
elif (isinstance(w_ob, cdataobj.W_CData)
and isinstance(w_ob.ctype, W_CTypePrimitiveUniChar)
and w_ob.ctype.size == self.size):
with w_ob as ptr:
return misc.read_raw_ulong_data(ptr, self.size)
raise self._convert_error("unicode string of length 1", w_ob)
def convert_bitfield_to_object(self, cdata):
ctype = self.ctype
space = ctype.space
#
if isinstance(ctype, ctypeprim.W_CTypePrimitiveSigned):
if ctype.value_fits_long:
value = r_uint(misc.read_raw_long_data(cdata, ctype.size))
valuemask = (r_uint(1) << self.bitsize) - 1
shiftforsign = r_uint(1) << (self.bitsize - 1)
value = ((value >> self.bitshift) + shiftforsign) & valuemask
result = intmask(value) - intmask(shiftforsign)
return space.wrap(result)
else:
value = misc.read_raw_unsigned_data(cdata, ctype.size)
valuemask = (r_ulonglong(1) << self.bitsize) - 1
shiftforsign = r_ulonglong(1) << (self.bitsize - 1)
value = ((value >> self.bitshift) + shiftforsign) & valuemask
result = r_longlong(value) - r_longlong(shiftforsign)
return space.wrap(result)
#
if isinstance(ctype, ctypeprim.W_CTypePrimitiveUnsigned):
value_fits_long = ctype.value_fits_long
value_fits_ulong = ctype.value_fits_ulong
elif isinstance(ctype, ctypeprim.W_CTypePrimitiveCharOrUniChar):
value_fits_long = True
value_fits_ulong = True
else:
raise NotImplementedError
#
if value_fits_ulong:
value = misc.read_raw_ulong_data(cdata, ctype.size)
valuemask = (r_uint(1) << self.bitsize) - 1
value = (value >> self.bitshift) & valuemask
if value_fits_long:
return space.wrap(intmask(value))
else:
return space.wrap(value) # uint => wrapped long object
else:
value = misc.read_raw_unsigned_data(cdata, ctype.size)
valuemask = (r_ulonglong(1) << self.bitsize) - 1
value = (value >> self.bitshift) & valuemask
return space.wrap(value) # ulonglong => wrapped long object
def convert_bitfield_to_object(self, cdata):
ctype = self.ctype
space = ctype.space
#
if isinstance(ctype, ctypeprim.W_CTypePrimitiveSigned):
if ctype.value_fits_long:
value = r_uint(misc.read_raw_long_data(cdata, ctype.size))
valuemask = (r_uint(1) << self.bitsize) - 1
shiftforsign = r_uint(1) << (self.bitsize - 1)
value = ((value >> self.bitshift) + shiftforsign) & valuemask
result = intmask(value) - intmask(shiftforsign)
return space.wrap(result)
else:
value = misc.read_raw_unsigned_data(cdata, ctype.size)
valuemask = (r_ulonglong(1) << self.bitsize) - 1
shiftforsign = r_ulonglong(1) << (self.bitsize - 1)
value = ((value >> self.bitshift) + shiftforsign) & valuemask
result = r_longlong(value) - r_longlong(shiftforsign)
return space.wrap(result)
#
if isinstance(ctype, ctypeprim.W_CTypePrimitiveUnsigned):
value_fits_long = ctype.value_fits_long
value_fits_ulong = ctype.value_fits_ulong
elif isinstance(ctype, ctypeprim.W_CTypePrimitiveCharOrUniChar):
value_fits_long = True
value_fits_ulong = True
else:
raise NotImplementedError
#
if value_fits_ulong:
value = misc.read_raw_ulong_data(cdata, ctype.size)
valuemask = (r_uint(1) << self.bitsize) - 1
value = (value >> self.bitshift) & valuemask
if value_fits_long:
return space.wrap(intmask(value))
else:
return space.wrap(value) # uint => wrapped long object
else:
value = misc.read_raw_unsigned_data(cdata, ctype.size)
valuemask = (r_ulonglong(1) << self.bitsize) - 1
value = (value >> self.bitshift) & valuemask
return space.wrap(value) # ulonglong => wrapped long object
def _convert_to_charN_t(self, w_ob):
# returns a r_uint. If self.size == 2, it is smaller than 0x10000
space = self.space
if space.isinstance_w(w_ob, space.w_unicode):
u = space.unicode_w(w_ob)
try:
ordinal = wchar_helper.unicode_to_ordinal(u)
except ValueError:
pass
else:
if self.size == 2 and ordinal > 0xffff:
raise self._convert_error("single character <= 0xFFFF",
w_ob)
return ordinal
elif (isinstance(w_ob, cdataobj.W_CData)
and isinstance(w_ob.ctype, W_CTypePrimitiveUniChar)
and w_ob.ctype.size == self.size):
with w_ob as ptr:
return misc.read_raw_ulong_data(ptr, self.size)
raise self._convert_error("unicode string of length 1", w_ob)
def _get_value(self, cdata):
# returns an unsigned long
assert self.value_fits_ulong
return misc.read_raw_ulong_data(cdata, self.size)
def _get_value(self, cdata):
# returns an unsigned long
assert self.value_fits_ulong
return misc.read_raw_ulong_data(cdata, self.size)
