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134 lines
4.2 KiB
Python
134 lines
4.2 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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#
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# module CBitSet
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#
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# Copyright (C) 2019 AleaJactaEst
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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class CBitSet:
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def __init__(self, NL_BITLEN=32):
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self.NumBits = 0
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self.MaskLast = 0
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self.NL_BITLEN = NL_BITLEN
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self.data = self.resize(1024)
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def resize(self, numBits):
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self.data = [ 0 for _ in range(0, (numBits + self.NL_BITLEN - 1) // self.NL_BITLEN) ]
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self.NumBits = numBits
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nLastBits = self.NumBits & (self.NL_BITLEN-1)
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if nLastBits == 0:
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self.MaskLast = ~0
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else:
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self.MaskLast = (1 << nLastBits)-1
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self.clearAll()
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def clearData(self):
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self.data = []
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self.NumBits = 0
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self.MaskLast = 0
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def clearAll(self):
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for i in range(0, len(self.data)):
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self.data[i] = 0
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def set(self, bitNumber, value):
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#logging.getLogger('myLogger').debug("CBitSet::set %d %s" % (bitNumber, str(value)))
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mask = bitNumber & (self.NL_BITLEN-1)
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mask = 1 << mask
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if value:
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self.data[bitNumber >> 5] |= mask
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else:
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self.data[bitNumber >> 5] &= ~mask
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def get(self, bitNumber):
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mask= bitNumber&(self.NL_BITLEN-1);
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mask= 1<<mask;
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return self.data[bitNumber >> 5] & mask != 0
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def setUint(self, srcValue, i):
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self.data[i] = srcValue
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def setBit(self, bitNumber):
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self.set(bitNumber, True)
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def clearBit(self, bitNumber):
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self.set(bitNumber, False)
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def __str__(self):
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return '.'.join([hex(x) for x in self.data])
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def showBitString(self):
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return ''.join(["{0:032b}".format(x) for x in reversed(self.data)])
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def writeSerial(self, msgout):
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# v = 0 # currentVersion
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# if v >= 0xff:
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# msgout.pushUint8(0xff)
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# msgout.pushUint8(v)
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# else:
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# msgout.pushUint8(v)
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#log = logging.getLogger('myLogger')
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#log.debug("CBitSet::writeSerial NumBits:%d len:%d" % (self.NumBits, len(self.data)))
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currentVersion = 0
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msgout.pushUint8(currentVersion)
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msgout.pushUint32(self.NumBits)
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# il est lié à 'self.NumBits' dommage que l'on envoie celui-la
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msgout.pushUint32(len(self.data))
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for x in self.data:
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msgout.pushUint32(x)
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def readSerial(self, msgin, name):
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_ = msgin.readSint8(name+':currentVersion')
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NumBits = msgin.readUint32(name+':NumBits')
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Size = msgin.readUint32(name+':Size')
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self.resize(NumBits)
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for i in range(0, Size):
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y = msgin.readUint32( name+':Data' )
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self.data[i] = y
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def readSerialExtra(self, msgin, nbBit, name):
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needread = nbBit
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print("----", nbBit, nbBit // 32 + 1)
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self.resize(nbBit)
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i = 0
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while needread>32:
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print("---<", nbBit, nbBit // 32 + 1, i, needread)
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y = msgin.readUint32( name+' Data' + str(i))
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self.data[i] = y
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needread -= 32
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i += 1
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print(self.data)
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if needread > 0:
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print("--->", nbBit, nbBit // 32 + 1, i, needread)
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y = msgin.readSerial( needread, name+' Data' + str(i), typeName="I" + str(needread) )
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self.data[i] = y
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def TestCBitSet():
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cBitSet = CBitSet()
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cBitSet.resize(1024)
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cBitSet.set(1, True)
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cBitSet.set(3, True)
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cBitSet.set(2, False)
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cBitSet.set(13, True)
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cBitSet.set(128, True)
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cBitSet.set(1023, True)
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print(cBitSet)
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print(cBitSet.get(3))
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cBitSet.set(3, False)
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print(cBitSet)
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print(cBitSet.get(3))
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