def read_gints(dbfile, n):
"""Read N integers from the bytes stream dbfile. Expects that the file
starts at a key byte.
"""
count = 0
read = dbfile.read
for _ in xrange(n):
if count == 0:
key = ord(dbfile.read(1))
code = key >> (count * 2) & 3
if code == 0:
yield ord(read(1))
elif code == 1:
yield unpack_ushort_le(read(2))[0]
elif code == 2:
yield unpack_uint_le(read(3) + "\x00")[0]
else:
yield unpack_uint_le(read(4))[0]
count = (count + 1) % 4
def read_gints(dbfile, n):
"""Read N integers from the bytes stream dbfile. Expects that the file
starts at a key byte.
"""
count = 0
read = dbfile.read
for _ in xrange(n):
if count == 0:
key = ord(dbfile.read(1))
code = key >> (count * 2) & 3
if code == 0:
yield ord(read(1))
elif code == 1:
yield unpack_ushort_le(read(2))[0]
elif code == 2:
yield unpack_uint_le(read(3) + "\x00")[0]
else:
yield unpack_uint_le(read(4))[0]
count = (count + 1) % 4
def read_ushort_le(self):
return unpack_ushort_le(self.read(_SHORT_SIZE))[0]
def read_ushort_le(self):
return unpack_ushort_le(self.read(_SHORT_SIZE))[0]