def string(self, cdataobj, maxlen):
space = self.space
if isinstance(self.ctitem, ctypeprim.W_CTypePrimitive):
cdata = cdataobj._cdata
if not cdata:
raise operationerrfmt(space.w_RuntimeError,
"cannot use string() on %s",
space.str_w(cdataobj.repr()))
#
from pypy.module._cffi_backend import ctypearray
length = maxlen
if length < 0 and isinstance(self, ctypearray.W_CTypeArray):
length = cdataobj.get_array_length()
#
# pointer to a primitive type of size 1: builds and returns a str
if self.ctitem.size == rffi.sizeof(lltype.Char):
if length < 0:
s = rffi.charp2str(cdata)
else:
s = rffi.charp2strn(cdata, length)
keepalive_until_here(cdataobj)
return space.wrap(s)
#
# pointer to a wchar_t: builds and returns a unicode
if self.is_unichar_ptr_or_array():
cdata = rffi.cast(rffi.CWCHARP, cdata)
if length < 0:
u = rffi.wcharp2unicode(cdata)
else:
u = rffi.wcharp2unicoden(cdata, length)
keepalive_until_here(cdataobj)
return space.wrap(u)
#
return W_CType.string(self, cdataobj, maxlen)
def string(self, cdataobj, maxlen):
space = self.space
if (isinstance(self.ctitem, ctypeprim.W_CTypePrimitive) and
not isinstance(self.ctitem, ctypeprim.W_CTypePrimitiveBool)):
with cdataobj as ptr:
if not ptr:
raise oefmt(space.w_RuntimeError,
"cannot use string() on %R", cdataobj)
#
from pypy.module._cffi_backend import ctypearray
length = maxlen
if length < 0 and isinstance(self, ctypearray.W_CTypeArray):
length = cdataobj.get_array_length()
#
# pointer to a primitive type of size 1: builds and returns a str
if self.ctitem.size == rffi.sizeof(lltype.Char):
if length < 0:
s = rffi.charp2str(ptr)
else:
s = rffi.charp2strn(ptr, length)
return space.newbytes(s)
#
# pointer to a wchar_t: builds and returns a unicode
if self.is_unichar_ptr_or_array():
from pypy.module._cffi_backend import wchar_helper
if self.ctitem.size == 2:
length = wchar_helper.measure_length_16(ptr, length)
else:
length = wchar_helper.measure_length_32(ptr, length)
return self.ctitem.unpack_ptr(self, ptr, length)
#
return W_CType.string(self, cdataobj, maxlen)
def string(self, cdataobj, maxlen):
space = self.space
if isinstance(self.ctitem, ctypeprim.W_CTypePrimitive):
cdata = cdataobj._cdata
if not cdata:
raise oefmt(space.w_RuntimeError, "cannot use string() on %s",
space.str_w(cdataobj.repr()))
#
from pypy.module._cffi_backend import ctypearray
length = maxlen
if length < 0 and isinstance(self, ctypearray.W_CTypeArray):
length = cdataobj.get_array_length()
#
# pointer to a primitive type of size 1: builds and returns a str
if self.ctitem.size == rffi.sizeof(lltype.Char):
if length < 0:
s = rffi.charp2str(cdata)
else:
s = rffi.charp2strn(cdata, length)
keepalive_until_here(cdataobj)
return space.wrap(s)
#
# pointer to a wchar_t: builds and returns a unicode
if self.is_unichar_ptr_or_array():
cdata = rffi.cast(rffi.CWCHARP, cdata)
if length < 0:
u = rffi.wcharp2unicode(cdata)
else:
u = rffi.wcharp2unicoden(cdata, length)
keepalive_until_here(cdataobj)
return space.wrap(u)
#
return W_CType.string(self, cdataobj, maxlen)