def test_rfind_utf16(self): #print len(self.test1) self.assertEquals( 0 , re_string.rfind_utf16(self.test1, 0, len(self.test1) )) self.assertEquals( 0 , re_string.rfind_utf16(self.test2, 0, len(self.test2) )) self.assertEquals( 0 , re_string.rfind_utf16(self.test3, 0, len(self.test3) )) self.assertEquals( -1 , re_string.rfind_utf16(self.test4, 0, len(self.test4) )) self.assertEquals( -1 , re_string.rfind_utf16(self.test5, 0, len(self.test5) )) self.assertEquals( -1 , re_string.rfind_utf16(self.test6, 0, len(self.test6) )) self.assertEquals( -1 , re_string.rfind_utf16(self.test7, 0, len(self.test7) )) # truncated last field #print repr(self.test8[120:]) self.assertEquals( 122 , re_string.rfind_utf16(self.test8, 0, len(self.test8) )) # find start with limited size self.assertEquals( 0 , re_string.rfind_utf16(self.test8, 0, 64 )) # middle field ( 12+64 ) self.assertEquals( 12 , re_string.rfind_utf16(self.test8, 64, 58 ))
def make_fields(self, structure, offset, size):
assert( offset%Config.WORDSIZE == 0 ) #vaddr and offset should be aligned
#log.debug('checking String')
fields = []
bytes = structure.bytes
while size > Config.WORDSIZE:
#print 're_string.rfind_utf16(bytes, %d, %d)'%(offset,size)
index = re_string.rfind_utf16(bytes, offset, size)
if index > -1:
f = Field(structure, offset+index, FieldType.STRING16, size-index, False)
#print repr(structure.bytes[f.offset:f.offset+f.size])
fields.append(f)
size = index # reduce unknown field in prefix
else:
size -= Config.WORDSIZE # reduce unkown field
# look in head
return fields
def make_fields(self, _record, offset, size):
assert(offset % self._word_size == 0) # vaddr and offset should be aligned
# log.debug('checking String')
fields = []
_bytes = _record.bytes
while size > self._word_size:
# print 're_string.rfind_utf16(bytes, %d, %d)'%(offset,size)
# we force aligned results only. otherwise er have overlaps
index = re_string.rfind_utf16(_bytes, offset, size, False, self._word_size)
if index > -1:
_offset = offset + index
f = fieldtypes.Field('utf16_%d' % _offset, _offset, fieldtypes.STRING16, size - index, False)
# print repr(structure.bytes[f.offset:f.offset+f.size])
fields.append(f)
size = index # reduce unknown field in prefix
else:
size -= self._word_size # reduce unkown field
# look in head
return fields
def make_fields(self, _record, offset, size):
assert (offset % self._word_size == 0
) # vaddr and offset should be aligned
# log.debug('checking String')
fields = []
_bytes = _record.bytes
while size > self._word_size:
# print 're_string.rfind_utf16(bytes, %d, %d)'%(offset,size)
# we force aligned results only. otherwise er have overlaps
index = re_string.rfind_utf16(_bytes, offset, size, False,
self._word_size)
if index > -1:
_offset = offset + index
f = fieldtypes.Field('utf16_%d' % _offset, _offset,
fieldtypes.STRING16, size - index, False)
# print repr(structure.bytes[f.offset:f.offset+f.size])
fields.append(f)
size = index # reduce unknown field in prefix
else:
size -= self._word_size # reduce unkown field
# look in head
return fields
def test_rfind_utf16(self):
# print len(self.test1)
self.assertEquals(0, re_string.rfind_utf16(self.test1, 0, len(self.test1), True, 4))
self.assertEquals(0, re_string.rfind_utf16(self.test2, 0, len(self.test2), True, 4))
self.assertEquals(0, re_string.rfind_utf16(self.test3, 0, len(self.test3), True, 4))
self.assertEquals(-1, re_string.rfind_utf16(self.test4, 0, len(self.test4), True, 4))
self.assertEquals(-1, re_string.rfind_utf16(self.test5, 0, len(self.test5), True, 4))
self.assertEquals(-1, re_string.rfind_utf16(self.test6, 0, len(self.test6), True, 4))
self.assertEquals(-1, re_string.rfind_utf16(self.test7, 0, len(self.test7), True, 4))
# truncated last field
# print repr(self.test8[120:])
self.assertEquals(122, re_string.rfind_utf16(self.test8, 0, len(self.test8), False, 4))
# find start with limited size
self.assertEquals(0, re_string.rfind_utf16(self.test8, 0, 64, True, 4))
# middle field ( 12+64 )
self.assertEquals(12, re_string.rfind_utf16(self.test8, 64, 58, True, 4))
# non aligned middle field ?
# TODO self.assertEquals( 4, re_string.rfind_utf16(self.test9, 0,
# len(self.test9) ))
##
# self.assertEqual(0, re_string.rfind_utf16(self.test11, 0, 48, False, 4))
print re_string.rfind_utf16(self.test11, 0, 44, False, 4)
