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self.dSugg.clear()
class IBDAWG:
"""INDEXABLE BINARY DIRECT ACYCLIC WORD GRAPH"""
def __init__ (self, source):
if type(source) is str:
self.by = pkgutil.get_data(__package__, "_dictionaries/" + source)
if not self.by:
raise OSError("# Error. File not found or not loadable: "+source)
if source.endswith(".bdic"):
self._initBinary()
elif source.endswith(".json"):
self._initJSON(json.loads(self.by.decode("utf-8"))) #json.loads(self.by) # In Python 3.6, can read directly binary strings
else:
raise OSError("# Error. Unknown file type: "+source)
else:
self._initJSON(source)
self.sFileName = source if type(source) is str else "[None]"
self._arcMask = (2 ** ((self.nBytesArc * 8) - 3)) - 1
self._finalNodeMask = 1 << ((self.nBytesArc * 8) - 1)
self._lastArcMask = 1 << ((self.nBytesArc * 8) - 2)
self._addrBitMask = 1 << ((self.nBytesArc * 8) - 3) # version 2
# function to decode the affix/suffix code
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self.dSugg.clear()
class IBDAWG:
"""INDEXABLE BINARY DIRECT ACYCLIC WORD GRAPH"""
def __init__ (self, source):
if isinstance(source, str):
self.by = pkgutil.get_data(__package__, "_dictionaries/" + source)
if not self.by:
raise OSError("# Error. File not found or not loadable: "+source)
if source.endswith(".bdic"):
self._initBinary()
elif source.endswith(".json"):
self._initJSON(json.loads(self.by.decode("utf-8"))) #json.loads(self.by) # In Python 3.6, can read directly binary strings
else:
raise OSError("# Error. Unknown file type: "+source)
else:
self._initJSON(source)
self.sFileName = source if isinstance(source, str) else "[None]"
self._arcMask = (2 ** ((self.nBytesArc * 8) - 3)) - 1
self._finalNodeMask = 1 << ((self.nBytesArc * 8) - 1)
self._lastArcMask = 1 << ((self.nBytesArc * 8) - 2)
self._addrBitMask = 1 << ((self.nBytesArc * 8) - 3) # version 2
# function to decode the affix/suffix code
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zFlexPattern = None
zTagsPattern = None
try:
if sFlexPattern:
zFlexPattern = re.compile(sFlexPattern)
if sTagsPattern:
zTagsPattern = re.compile(sTagsPattern)
except:
print("# Error in regex pattern")
traceback.print_exc()
yield from self._select1(zFlexPattern, zTagsPattern, 0, "")
# def morph (self, sWord):
# is defined in __init__
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zFlexPattern = None
zTagsPattern = None
try:
if sFlexPattern:
zFlexPattern = re.compile(sFlexPattern)
if sTagsPattern:
zTagsPattern = re.compile(sTagsPattern)
except re.error:
print("# Error in regex pattern")
traceback.print_exc()
yield from self._select1(zFlexPattern, zTagsPattern, 0, "")
# def morph (self, sWord):
# is defined in __init__
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return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not (nRawArc & self._lastArcMask):
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
# Now , we go to the next node and retrieve all following arcs values, all of them are tags
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
nRawArc2 = 0
while not (nRawArc2 & self._lastArcMask):
iEndArcAddr2 = iAddr2 + self.nBytesArc
nRawArc2 = int.from_bytes(self.byDic[iAddr2:iEndArcAddr2], byteorder='big')
l.append(sStem + "/" + self.lArcVal[nRawArc2 & self._arcMask])
iAddr2 = iEndArcAddr2+self.nBytesNodeAddress
iAddr = iEndArcAddr+self.nBytesNodeAddress
return l
return []
def _stem1 (self, sWord):
"returns stems list of <sWord>"
iAddr = 0
for c in sWord:
if c not in self.dChar:
return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not (nRawArc & self._lastArcMask):
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
iAddr = iEndArcAddr+self.nBytesNodeAddress
return l
return []
def _lookupArcNode1 (self, nVal, iAddr):
"looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
if nVal == (nRawArc & self._arcMask):
# the value we are looking for
# we return the address of the next node
return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
# value not found
if nRawArc & self._lastArcMask:
return None
iAddr = iEndArcAddr+self.nBytesNodeAddress
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return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not nRawArc & self._lastArcMask:
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
# Now , we go to the next node and retrieve all following arcs values, all of them are tags
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
nRawArc2 = 0
while not nRawArc2 & self._lastArcMask:
iEndArcAddr2 = iAddr2 + self.nBytesArc
nRawArc2 = int.from_bytes(self.byDic[iAddr2:iEndArcAddr2], byteorder='big')
l.append(sStem + "/" + self.lArcVal[nRawArc2 & self._arcMask])
iAddr2 = iEndArcAddr2+self.nBytesNodeAddress
iAddr = iEndArcAddr+self.nBytesNodeAddress
return l
return []
def _stem1 (self, sWord):
"returns stems list of <sWord>"
iAddr = 0
for c in sWord:
if c not in self.dChar:
return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not nRawArc & self._lastArcMask:
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
iAddr = iEndArcAddr+self.nBytesNodeAddress
return l
return []
def _lookupArcNode1 (self, nVal, iAddr):
"looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
if nVal == (nRawArc & self._arcMask):
# the value we are looking for
# we return the address of the next node
return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
# value not found
if nRawArc & self._lastArcMask:
return None
iAddr = iEndArcAddr+self.nBytesNodeAddress
def _getArcs1 (self, iAddr):
"generator: return all arcs at <iAddr> as tuples of (nVal, iAddr)"
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
yield nRawArc & self._arcMask, int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
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return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not (nRawArc & self._lastArcMask):
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
# Now , we go to the next node and retrieve all following arcs values, all of them are tags
if not (nRawArc & self._addrBitMask):
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
# we go to the end of the node
iAddr2 = iEndArcAddr
while not (nRawArc & self._lastArcMask):
nRawArc = int.from_bytes(self.byDic[iAddr2:iAddr2+self.nBytesArc], byteorder='big')
iAddr2 += self.nBytesArc + self.nBytesNodeAddress
nRawArc2 = 0
while not (nRawArc2 & self._lastArcMask):
iEndArcAddr2 = iAddr2 + self.nBytesArc
nRawArc2 = int.from_bytes(self.byDic[iAddr2:iEndArcAddr2], byteorder='big')
l.append(sStem + "/" + self.lArcVal[nRawArc2 & self._arcMask])
iAddr2 = iEndArcAddr2+self.nBytesNodeAddress if not (nRawArc2 & self._addrBitMask) else iEndArcAddr2
iAddr = iEndArcAddr+self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else iEndArcAddr
return l
return []
def _stem2 (self, sWord):
"returns stems list of <sWord>"
iAddr = 0
for c in sWord:
if c not in self.dChar:
return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not (nRawArc & self._lastArcMask):
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
# Now , we go to the next node
if not (nRawArc & self._addrBitMask):
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
# we go to the end of the node
iAddr2 = iEndArcAddr
while not (nRawArc & self._lastArcMask):
nRawArc = int.from_bytes(self.byDic[iAddr2:iAddr2+self.nBytesArc], byteorder='big')
iAddr2 += self.nBytesArc + self.nBytesNodeAddress
iAddr = iEndArcAddr+self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else iEndArcAddr
return l
return []
def _lookupArcNode2 (self, nVal, iAddr):
"looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
if nVal == (nRawArc & self._arcMask):
# the value we are looking for
if not (nRawArc & self._addrBitMask):
# we return the address of the next node
return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
# we go to the end of the node
iAddr = iEndArcAddr
while not (nRawArc & self._lastArcMask):
nRawArc = int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big')
iAddr += self.nBytesArc + self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else self.nBytesArc
return iAddr
else:
# value not found
if nRawArc & self._lastArcMask:
return None
iAddr = iEndArcAddr+self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else iEndArcAddr
if not (nRawArc & self._addrBitMask):
iNextNodeAddr = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
hDst.write(" {:<20} {:0>16} i{:>10} #{:_>10}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:], "?", iNextNodeAddr))
iAddr = iEndArcAddr+self.nBytesNodeAddress
else:
hDst.write(" {:<20} {:0>16}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:]))
iAddr = iEndArcAddr
if nRawArc & self._lastArcMask:
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return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not nRawArc & self._lastArcMask:
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
# Now , we go to the next node and retrieve all following arcs values, all of them are tags
if not nRawArc & self._addrBitMask:
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
# we go to the end of the node
iAddr2 = iEndArcAddr
while not nRawArc & self._lastArcMask:
nRawArc = int.from_bytes(self.byDic[iAddr2:iAddr2+self.nBytesArc], byteorder='big')
iAddr2 += self.nBytesArc + self.nBytesNodeAddress
nRawArc2 = 0
while not nRawArc2 & self._lastArcMask:
iEndArcAddr2 = iAddr2 + self.nBytesArc
nRawArc2 = int.from_bytes(self.byDic[iAddr2:iEndArcAddr2], byteorder='big')
l.append(sStem + "/" + self.lArcVal[nRawArc2 & self._arcMask])
iAddr2 = iEndArcAddr2+self.nBytesNodeAddress if not nRawArc2 & self._addrBitMask else iEndArcAddr2
iAddr = iEndArcAddr+self.nBytesNodeAddress if not nRawArc & self._addrBitMask else iEndArcAddr
return l
return []
def _stem2 (self, sWord):
"returns stems list of <sWord>"
iAddr = 0
for c in sWord:
if c not in self.dChar:
return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
while not nRawArc & self._lastArcMask:
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
# Now , we go to the next node
if not nRawArc & self._addrBitMask:
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
# we go to the end of the node
iAddr2 = iEndArcAddr
while not nRawArc & self._lastArcMask:
nRawArc = int.from_bytes(self.byDic[iAddr2:iAddr2+self.nBytesArc], byteorder='big')
iAddr2 += self.nBytesArc + self.nBytesNodeAddress
iAddr = iEndArcAddr+self.nBytesNodeAddress if not nRawArc & self._addrBitMask else iEndArcAddr
return l
return []
def _lookupArcNode2 (self, nVal, iAddr):
"looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
if nVal == (nRawArc & self._arcMask):
# the value we are looking for
if not nRawArc & self._addrBitMask:
# we return the address of the next node
return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
# we go to the end of the node
iAddr = iEndArcAddr
while not nRawArc & self._lastArcMask:
nRawArc = int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big')
iAddr += self.nBytesArc + self.nBytesNodeAddress if not nRawArc & self._addrBitMask else self.nBytesArc
return iAddr
# value not found
if nRawArc & self._lastArcMask:
return None
iAddr = iEndArcAddr+self.nBytesNodeAddress if not nRawArc & self._addrBitMask else iEndArcAddr
def _writeNodes2 (self, spfDest):
"for debugging only"
print(" > Write binary nodes")
with open(spfDest, 'w', 'utf-8', newline="\n") as hDst:
iAddr = 0
hDst.write("i{:_>10} -- #{:_>10}\n".format("0", iAddr))
while iAddr < len(self.byDic):
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if not nRawArc & self._addrBitMask:
iNextNodeAddr = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
hDst.write(" {:<20} {:0>16} i{:>10} #{:_>10}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:], "?", iNextNodeAddr))
iAddr = iEndArcAddr+self.nBytesNodeAddress
else:
hDst.write(" {:<20} {:0>16}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:]))
iAddr = iEndArcAddr
if nRawArc & self._lastArcMask:
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iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
iAddrNode = iAddr
while not (nRawArc & self._lastArcMask):
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
# Now , we go to the next node and retrieve all following arcs values, all of them are tags
if not (nRawArc & self._addrBitMask):
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
iAddr2 = iAddrNode + int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesOffset], byteorder='big')
nRawArc2 = 0
while not (nRawArc2 & self._lastArcMask):
iEndArcAddr2 = iAddr2 + self.nBytesArc
nRawArc2 = int.from_bytes(self.byDic[iAddr2:iEndArcAddr2], byteorder='big')
l.append(sStem + "/" + self.lArcVal[nRawArc2 & self._arcMask])
iAddr2 = iEndArcAddr2+self.nBytesNodeAddress if not (nRawArc2 & self._addrBitMask) else iEndArcAddr2+self.nBytesOffset
iAddr = iEndArcAddr+self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else iEndArcAddr+self.nBytesOffset
return l
return []
def _stem3 (self, sWord):
"returns stems list of <sWord>"
iAddr = 0
for c in sWord:
if c not in self.dChar:
return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
#iAddrNode = iAddr
while not (nRawArc & self._lastArcMask):
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
iAddr = iEndArcAddr+self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else iEndArcAddr+self.nBytesOffset
return l
return []
def _lookupArcNode3 (self, nVal, iAddr):
"looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
iAddrNode = iAddr
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
if nVal == (nRawArc & self._arcMask):
# the value we are looking for
if not (nRawArc & self._addrBitMask):
return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
return iAddrNode + int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesOffset], byteorder='big')
else:
# value not found
if nRawArc & self._lastArcMask:
return None
iAddr = iEndArcAddr+self.nBytesNodeAddress if not (nRawArc & self._addrBitMask) else iEndArcAddr+self.nBytesOffset
if not (nRawArc & self._addrBitMask):
iNextNodeAddr = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
hDst.write(" {:<20} {:0>16} i{:>10} #{:_>10}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:], "?", iNextNodeAddr))
iAddr = iEndArcAddr+self.nBytesNodeAddress
else:
iNextNodeAddr = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesOffset], byteorder='big')
hDst.write(" {:<20} {:0>16} i{:>10} +{:_>10}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:], "?", iNextNodeAddr))
iAddr = iEndArcAddr+self.nBytesOffset
if nRawArc & self._lastArcMask:
hDst.write("\ni{:_>10} -- #{:_>10}\n".format("?", iAddr))
hDst.close()
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iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
iAddrNode = iAddr
while not nRawArc & self._lastArcMask:
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
# Now , we go to the next node and retrieve all following arcs values, all of them are tags
if not nRawArc & self._addrBitMask:
iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
else:
iAddr2 = iAddrNode + int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesOffset], byteorder='big')
nRawArc2 = 0
while not nRawArc2 & self._lastArcMask:
iEndArcAddr2 = iAddr2 + self.nBytesArc
nRawArc2 = int.from_bytes(self.byDic[iAddr2:iEndArcAddr2], byteorder='big')
l.append(sStem + "/" + self.lArcVal[nRawArc2 & self._arcMask])
iAddr2 = iEndArcAddr2+self.nBytesNodeAddress if not nRawArc2 & self._addrBitMask else iEndArcAddr2+self.nBytesOffset
iAddr = iEndArcAddr+self.nBytesNodeAddress if not nRawArc & self._addrBitMask else iEndArcAddr+self.nBytesOffset
return l
return []
def _stem3 (self, sWord):
"returns stems list of <sWord>"
iAddr = 0
for c in sWord:
if c not in self.dChar:
return []
iAddr = self._lookupArcNode(self.dChar[c], iAddr)
if iAddr is None:
return []
if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
l = []
nRawArc = 0
#iAddrNode = iAddr
while not nRawArc & self._lastArcMask:
iEndArcAddr = iAddr + self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if nArc > self.nChar:
# This value is not a char, this is a stemming code
l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
iAddr = iEndArcAddr+self.nBytesNodeAddress if not nRawArc & self._addrBitMask else iEndArcAddr+self.nBytesOffset
return l
return []
def _lookupArcNode3 (self, nVal, iAddr):
"looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
iAddrNode = iAddr
while True:
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
if nVal == (nRawArc & self._arcMask):
# the value we are looking for
if not nRawArc & self._addrBitMask:
return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
return iAddrNode + int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesOffset], byteorder='big')
# value not found
if nRawArc & self._lastArcMask:
return None
iAddr = iEndArcAddr+self.nBytesNodeAddress if not nRawArc & self._addrBitMask else iEndArcAddr+self.nBytesOffset
def _writeNodes3 (self, spfDest):
"for debugging only"
print(" > Write binary nodes")
with open(spfDest, 'w', 'utf-8', newline="\n") as hDst:
iAddr = 0
hDst.write("i{:_>10} -- #{:_>10}\n".format("0", iAddr))
while iAddr < len(self.byDic):
iEndArcAddr = iAddr+self.nBytesArc
nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
nArc = nRawArc & self._arcMask
if not nRawArc & self._addrBitMask:
iNextNodeAddr = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
hDst.write(" {:<20} {:0>16} i{:>10} #{:_>10}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:], "?", iNextNodeAddr))
iAddr = iEndArcAddr+self.nBytesNodeAddress
else:
iNextNodeAddr = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesOffset], byteorder='big')
hDst.write(" {:<20} {:0>16} i{:>10} +{:_>10}\n".format(self.lArcVal[nArc], bin(nRawArc)[2:], "?", iNextNodeAddr))
iAddr = iEndArcAddr+self.nBytesOffset
if nRawArc & self._lastArcMask:
hDst.write("\ni{:_>10} -- #{:_>10}\n".format("?", iAddr))
hDst.close()
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