def makeHeader(this):
result = [HEADERPREFIX]
result.append(chr(VERSION))
result.append(BufferFile.StoreInt(this.NodeSize))
result.append(BufferFile.StoreInt(this.KeyLength))
result.append(BufferFile.StoreInt(INVARIANTCULTUREID))
result.append(BufferFile.StoreLong(this.rootSeek))
result.append(BufferFile.StoreLong(this.freeHeadSeek))
return string.join(result, "")
def StoreNewChunk(this, fromString):
length = len(fromString)
#print "StoreNewChunk", length
currentBufferNumber = this.AllocateBuffer()
result = currentBufferNumber
CurrentBufferType = HEAD
# store header with length info
firstlength = min(length, this.buffersize - BufferFile.INTSTORAGE)
buffer = BufferFile.StoreInt(length) + fromString[:firstlength]
stored = firstlength
while stored < length:
# store intermediate or head
nextBufferNumber = this.AllocateBuffer()
this.SetBuffer(currentBufferNumber, CurrentBufferType, buffer,
nextBufferNumber)
nextlength = min(this.buffersize, length - stored)
nextstored = stored + nextlength
buffer = fromString[stored:nextstored]
stored = nextstored
currentBufferNumber = nextBufferNumber
CurrentBufferType = BODY
# store tail
this.SetBuffer(currentBufferNumber, CurrentBufferType, buffer,
NULLBUFFERPOINTER)
return result
def dump(this):
allbytes = []
keys = this.keys
values = this.values
for index in xrange(len(this.keys)):
thisKey = keys[index]
thisValue = this.values[index]
keyPrefix = BufferFile.StoreInt(len(thisKey))
(keybytes, dummy) = ENCODER(thisKey)
allbytes.append(keyPrefix)
allbytes.append(keybytes)
valuePrefix = BufferFile.StoreInt(len(thisValue))
(valuebytes, dummy) = ENCODER(thisValue)
allbytes.append(valuePrefix)
allbytes.append(valuebytes)
#print allbytes
return string.join(allbytes, "")
def makeHeader(this):
#return HEADERPREFIX+chr(VERSION)+BufferFile.StoreInt(
L = [
HEADERPREFIX,
chr(VERSION),
BufferFile.StoreInt(this.buffersize),
BufferFile.StoreLong(this.FreeListHead)
]
return string.join(L, "")