pyjnius/jnius/jnius_nativetypes3.pxi

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Cython
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cdef python_op(int op, object a, object b):
if op == 0:
return a < b
elif op == 1:
return a <= b
elif op == 2:
return a == b
elif op == 3:
return a >= b
elif op == 4:
return a > b
elif op == 5:
return a != b
cdef class ByteArray:
cdef LocalRef _jobject
cdef long _size
cdef jbyte *_buf
cdef jbyte[:] _arr
def __cinit__(self):
self._size = 0
self._buf = NULL
self._arr = None
def __dealloc__(self):
cdef JNIEnv *j_env
if self._buf != NULL:
j_env = get_jnienv()
j_env[0].ReleaseByteArrayElements(j_env, self._jobject.obj, self._buf, 0)
self._buf = NULL
self._jobject = None
cdef void set_buffer(self, JNIEnv *env, jobject obj, long size, jbyte *buf):
if self._buf != NULL:
raise Exception('Cannot call set_buffer() twice.')
self._jobject = LocalRef()
self._jobject.create(env, obj)
self._size = size
self._buf = buf
self._arr = <jbyte[:size]>self._buf
def __str__(self):
return '<ByteArray size={} at 0x{}>'.format(
self._size, id(self))
def __len__(self):
return self._size
def __getitem__(self, index):
cdef long xx
if isinstance(index, slice):
val = []
(start, stop, step) = index.indices(len(self._arr))
for x in range(start, stop, step):
xx = x
val.append(self._arr[xx])
return val
else:
xx = index
return self._arr[xx]
def __richcmp__(self, other, op):
cdef ByteArray b_other
if isinstance(other, (list, tuple)):
return python_op(op, self.tolist(), other)
elif isinstance(other, ByteArray):
b_other = other
return python_op(op, self.tostring(), other.tostring())
else:
return False
def tolist(self):
return list(self[:])
def tostring(self):
return self._buf[:self._size]