Grammalecte  Diff

    def suggest (self, sWord):
        "returns a set of similar words"
        # first, we check for similar words
        #return self._suggestWithCrushedUselessChars(cp.clearWord(sWord))
        aSugg = self._suggest(sWord)
        if not aSugg:
            aSugg.update(self._suggest(sWord[1:]))
            aSugg.update(self._suggest(sWord[:-1]))
            aSugg.update(self._suggest(sWord[1:-1]))
            if not aSugg:
                aSugg.update(self._suggestWithCrushedUselessChars(cp.clearWord(sWord)))
        return aSugg

    def _suggest (self, sWord, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):

        # recursive function
        aSugg = set()
        if not sWord:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                #show(nDeep, "___" + sNewWord + "___")
                aSugg.add(sNewWord)
            for sTail in self._getTails(iAddr):

            if len(sWord) == 2:
                for sRepl in cp.dFinal2.get(sWord, ()):
                    #show(nDeep, sRepl)
                    aSugg.update(self._suggest(sRepl, nDeep+1, iAddr, sNewWord, True))
            elif len(sWord) == 1:
                #show(nDeep, ":end of word:")
                # end of word

                for sRepl in cp.dFinal1.get(sWord, ()):
                    #show(nDeep, sRepl)
                    aSugg.update(self._suggest(sRepl, nDeep+1, iAddr, sNewWord, True))
        return aSugg

    def _getSimilarArcs (self, cChar, iAddr):
        "generator: yield similar char of <cChar> and address of the following node"
        for c in cp.d1to1.get(cChar, [cChar]):
            if c in self.dChar:
                jAddr = self._lookupArcNode(self.dChar[c], iAddr)
                if jAddr:
                    yield (c, jAddr)

    def _getTails (self, iAddr, sTail="", n=2):
        "return a list of suffixes ending at a distance of <n> from <iAddr>"
        aTails = set()
        for nVal, jAddr in self._getArcs(iAddr):
            if nVal < self.nChar:
                if int.from_bytes(self.byDic[jAddr:jAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                    aTails.add(sTail + self.dCharVal[nVal])
                if n:
                    aTails.update(self._getTails(jAddr, sTail+self.dCharVal[nVal], n-1))
        return aTails

    def _suggestWithCrushedUselessChars (self, sWord, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        aSugg = set()
        if not sWord:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:

        return aSugg

    def _getSimilarArcsAndCrushedChars (self, cChar, iAddr):
        "generator: yield similar char of <cChar> and address of the following node"
        for nVal, jAddr in self._getArcs(iAddr):
            if self.dCharVal.get(nVal, None) in cp.aUselessChar:
                yield (self.dCharVal[nVal], jAddr)
        for c in cp.d1to1.get(cChar, [cChar]):
            if c in self.dChar:
                jAddr = self._lookupArcNode(self.dChar[c], iAddr)
                if jAddr:
                    yield (c, jAddr)

    def drawPath (self, sWord, iAddr=0):
        cChar = sWord[0:1]  if sWord  else " "
        iPos = -1
        n = 0
        print(cChar + ": ", end="")
        for nVal, jAddr in self._getArcs(iAddr):