def setCharSlice(self, start: int, stop: int, step: int,
val: Union[Sequence[str], str]):
with self.jvm as (jvm, jenv):
size = JArray.size(start, stop, step)
jarr = self._jobj
if step == 1 and is_memview(val) and val.itemsize == jni.sizeof(
jni.jchar):
val = val.as_ctypes if isinstance(
val, memview) else memview(val).as_ctypes
jenv.SetCharArrayRegion(jarr, start, size,
jni.cast(val, jni.POINTER(jni.jchar)))
else:
if is_memview(val): val = val.obj
jels = jenv.GetCharArrayElements(jarr)
try:
if isinstance(
val,
str) and step == 1 and JArray._jchar_equiv_unicode:
print("UUUUUUUUUUUUUUUUU")
jni.memmove(
jni.byref(jels.contents,
start * jni.sizeof(jni.jchar)), val,
JArray.size(start, stop) * jni.sizeof(jni.jchar))
else:
for ix, idx in enumerate(range(start, stop, step)):
jels[idx] = val[ix]
jenv.ReleaseCharArrayElements(jarr, jels)
except Exception as exc:
jenv.ReleaseCharArrayElements(jarr, jels, jni.JNI_ABORT)
raise exc
def setByteSlice(self, start: int, stop: int, step: int,
val: Union[Sequence[Union[int, bytes]], bytes, bytearray]):
"""???."""
with self.jvm as (jvm, jenv):
size = JArray.size(start, stop, step)
jarr = self._jobj
if step == 1 and is_memview(val) and val.itemsize == jni.sizeof(jni.jbyte):
val = val.as_ctypes if isinstance(val, memview) else memview(val).as_ctypes
jenv.SetByteArrayRegion(jarr, start, size, jni.cast(val, jni.POINTER(jni.jbyte)))
else:
if is_memview(val): val = val.obj
jels = jenv.GetByteArrayElements(jarr)
try:
if isinstance(val, (bytes, bytearray)):
if step == 1 and JArray._jbyte_equiv_byte:
if isinstance(val, bytearray):
val = jni.from_buffer(val)
# print(("RRRRRRRRRRRRRRRRRR",
# type(jels), type(jels.contents), type(val)))
jni.memmove(jni.byref(jels.contents, start), val,
JArray.size(start, stop))
else:
for ix, idx in enumerate(range(start, stop, step)):
jels[idx] = val[ix]
else:
for ix, idx in enumerate(range(start, stop, step)):
v = val[ix]
jels[idx] = v[0] if isinstance(v, bytes) else v
jenv.ReleaseByteArrayElements(jarr, jels)
except Exception as exc:
jenv.ReleaseByteArrayElements(jarr, jels, jni.JNI_ABORT)
raise exc
def __init__(self, jenv: jni.JNIEnv=None,
jstr: jni.jobject=jni.obj(jni.POINTER(jni.jchar)), own: bool = True):
self.__jstr = jni.cast(jstr, jni.jstring)
self.__size = 0
self.__jchars = jni.obj(jni.POINTER(jni.jchar))
if jenv is not None and jstr:
length = jenv.GetStringLength(self.__jstr)
jchars = jenv.GetStringChars(self.__jstr)
try:
self.__jchars = jni.new_array(jni.jchar, length + 1)
jni.memmove(self.__jchars, jchars, length * jni.sizeof(jni.jchar))
self.__jchars[length] = "\0"
finally:
jenv.ReleaseStringChars(self.__jstr, jchars)
self.__size = length