# This code is covered under the terms of the GNU Library General
# Public License as described in the bup LICENSE file.
+# Variable length integers are encoded as vints -- see lucene.
+
from __future__ import absolute_import
from io import BytesIO
+import sys
+
+from bup import compat
-# Variable length integers are encoded as vints -- see jakarta lucene.
def write_vuint(port, x):
+ write = port.write
+ bytes_from_uint = compat.bytes_from_uint
if x < 0:
raise Exception("vuints must not be negative")
elif x == 0:
- port.write('\0')
+ write(bytes_from_uint(0))
else:
while True:
seven_bits = x & 0x7f
x >>= 7
if x:
- port.write(chr(0x80 | seven_bits))
+ write(bytes_from_uint(0x80 | seven_bits))
else:
- port.write(chr(seven_bits))
+ write(bytes_from_uint(seven_bits))
break
def write_vint(port, x):
# Sign is handled with the second bit of the first byte. All else
# matches vuint.
+ write = port.write
+ bytes_from_uint = compat.bytes_from_uint
if x == 0:
- port.write('\0')
+ write(bytes_from_uint(0))
else:
if x < 0:
x = -x
sign_and_six_bits = x & 0x3f
x >>= 6
if x:
- port.write(chr(0x80 | sign_and_six_bits))
+ write(bytes_from_uint(0x80 | sign_and_six_bits))
write_vuint(port, x)
else:
- port.write(chr(sign_and_six_bits))
+ write(bytes_from_uint(sign_and_six_bits))
def read_vint(port):