def encode(self, posns_chars):
# posns_chars = [(pos, startchar, endchar), ...]
codes = []
posbase = 0
charbase = 0
for pos, startchar, endchar in posns_chars:
codes.append(varint(pos - posbase))
posbase = pos
codes.extend((varint(startchar - charbase),
varint(endchar - startchar)))
charbase = endchar
return pack("!I", len(posns_chars)) + "".join(codes)
def encode(self, posns_chars):
# posns_chars = [(pos, startchar, endchar), ...]
codes = []
posbase = 0
charbase = 0
for pos, startchar, endchar in posns_chars:
codes.append(varint(pos - posbase))
posbase = pos
codes.extend(
(varint(startchar - charbase), varint(endchar - startchar)))
charbase = endchar
return pack("!I", len(posns_chars)) + "".join(codes)
def encode(self, posns_chars_boosts):
# posns_chars_boosts = [(pos, startchar, endchar, boost), ...]
codes = []
posbase = 0
charbase = 0
summedboost = 0
for pos, startchar, endchar, boost in posns_chars_boosts:
summedboost += boost
codes.append(varint(pos - posbase))
posbase = pos
codes.extend((varint(startchar - charbase),
varint(endchar - startchar), float_to_byte(boost)))
charbase = endchar
b = pack("!If", len(posns_chars_boosts), summedboost)
return b + "".join(codes)
def encode(self, positions):
# positions = [pos1, pos2, ...]
codes = []
base = 0
for pos in positions:
codes.append(varint(pos - base))
base = pos
return pack("!I", len(positions)) + "".join(codes)
def encode(self, positions):
# positions = [pos1, pos2, ...]
codes = []
base = 0
for pos in positions:
codes.append(varint(pos - base))
base = pos
return pack("!I", len(positions)) + "".join(codes)
def encode(self, posns_chars_boosts):
# posns_chars_boosts = [(pos, startchar, endchar, boost), ...]
codes = []
posbase = 0
charbase = 0
summedboost = 0
for pos, startchar, endchar, boost in posns_chars_boosts:
summedboost += boost
codes.append(varint(pos - posbase))
posbase = pos
codes.extend((varint(startchar - charbase),
varint(endchar - startchar),
float_to_byte(boost)))
charbase = endchar
b = pack("!If", len(posns_chars_boosts), summedboost)
return b + "".join(codes)
def encode(self, posns_boosts):
# posns_boosts = [(pos, boost), ...]
codes = []
base = 0
summedboost = 0
for pos, boost in posns_boosts:
summedboost += boost
codes.extend((varint(pos - base), float_to_byte(boost)))
base = pos
return pack("!If", len(posns_boosts), summedboost) + "".join(codes)
def encode(self, posns_boosts):
# posns_boosts = [(pos, boost), ...]
codes = []
base = 0
summedboost = 0
for pos, boost in posns_boosts:
summedboost += boost
codes.extend((varint(pos - base), float_to_byte(boost)))
base = pos
return pack("!If", len(posns_boosts), summedboost) + "".join(codes)
def write_varint(self, i):
"""Writes a variable-length integer to the wrapped file.
"""
self.file.write(varint(i))
def write_varint(self, i):
"""Writes a variable-length integer to the wrapped file.
"""
self.file.write(varint(i))
