Grammalecte  Check-in [2be7acdcad]

Overview
Comment:[graphspell] spelling suggestion speed up: calculate approximate distance while exploring the word graph
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SHA3-256: 2be7acdcad6f8e75c7a24b0b23d7501171c2cf591181cd0db05e99cb54251226
User & Date: olr on 2018-05-02 12:33:42
Other Links: manifest | tags
Context
2018-05-02
17:13
[core][fx][tb][lo][fr] formateur de texte: titres de civilité check-in: 49210381f0 user: olr tags: trunk, fr, core, tb, fx, lo
12:33
[graphspell] spelling suggestion speed up: calculate approximate distance while exploring the word graph check-in: 2be7acdcad user: olr tags: trunk, graphspell
11:22
[graphspell] use nDistLimit to truncate number of suggestions check-in: f3a3ed9041 user: olr tags: trunk, graphspell
Changes

Modified graphspell-js/ibdawg.js from [83b959776d] to [241ce099fe].

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        if (sSfx || sPfx) {
            // we add what we removed
            return aSugg.map( (sSugg) => { return sPfx + sSugg + sSfx } );
        }
        return aSugg;
    }

    _suggest (oSuggResult, sRemain, nMaxSwitch=0, nMaxDel=0, nMaxHardRepl=0, nMaxJump=0, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=false) {
        // returns a set of suggestions
        // recursive function
        if (sRemain == "") {
            if (this._convBytesToInteger(this.byDic.slice(iAddr, iAddr+this.nBytesArc)) & this._finalNodeMask) {
                oSuggResult.addSugg(sNewWord);
            }
            for (let sTail of this._getTails(iAddr)) {
                oSuggResult.addSugg(sNewWord+sTail);
            }
            return;
        }




        let cCurrent = sRemain.slice(0, 1);
        for (let [cChar, jAddr] of this._getCharArcs(iAddr)) {
            if (char_player.d1to1.gl_get(cCurrent, cCurrent).indexOf(cChar) != -1) {
                this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, jAddr, sNewWord+cChar);
            }
            else if (!bAvoidLoop) {
                if (nMaxHardRepl) {
                    this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl-1, nMaxJump, nDeep+1, jAddr, sNewWord+cChar, true);
                }
                if (nMaxJump) {
                    this._suggest(oSuggResult, sRemain, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump-1, nDeep+1, jAddr, sNewWord+cChar, true);
                }
            }
        }
        if (!bAvoidLoop) { // avoid infinite loop
            if (sRemain.length > 1) {
                if (cCurrent == sRemain.slice(1, 2)) {
                    // same char, we remove 1 char without adding 1 to <sNewWord>
                    this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord);
                }
                else {
                    // switching chars
                    if (nMaxSwitch > 0) {
                        this._suggest(oSuggResult, sRemain.slice(1, 2)+sRemain.slice(0, 1)+sRemain.slice(2), nMaxSwitch-1, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true);
                    }
                    // delete char
                    if (nMaxDel > 0) {
                        this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel-1, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true);
                    }
                }
                // Phonetic replacements
                for (let sRepl of char_player.get1toXReplacement(sNewWord.slice(-1), cCurrent, sRemain.slice(1,2))) {
                    this._suggest(oSuggResult, sRepl + sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true);
                }
                for (let sRepl of char_player.d2toX.gl_get(sRemain.slice(0, 2), [])) {
                    this._suggest(oSuggResult, sRepl + sRemain.slice(2), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true);
                }
            }
            // end of word
            if (sRemain.length == 2) {
                for (let sRepl of char_player.dFinal2.gl_get(sRemain, [])) {
                    this._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true);
                }
            }
            else if (sRemain.length == 1) {
                this._suggest(oSuggResult, "", nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true); // remove last char and go on
                for (let sRepl of char_player.dFinal1.gl_get(sRemain, [])) {
                    this._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, true);
                }
            }
        }
    }

    * _getCharArcs (iAddr) {
        // generator: yield all chars and addresses from node at address <iAddr>







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        if (sSfx || sPfx) {
            // we add what we removed
            return aSugg.map( (sSugg) => { return sPfx + sSugg + sSfx } );
        }
        return aSugg;
    }

    _suggest (oSuggResult, sRemain, nMaxSwitch=0, nMaxDel=0, nMaxHardRepl=0, nMaxJump=0, nDist=0, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=false) {
        // returns a set of suggestions
        // recursive function
        if (sRemain == "") {
            if (this._convBytesToInteger(this.byDic.slice(iAddr, iAddr+this.nBytesArc)) & this._finalNodeMask) {
                oSuggResult.addSugg(sNewWord);
            }
            for (let sTail of this._getTails(iAddr)) {
                oSuggResult.addSugg(sNewWord+sTail);
            }
            return;
        }
        if (nDist > oSuggResult.nDistLimit) {
            return;
        }

        let cCurrent = sRemain.slice(0, 1);
        for (let [cChar, jAddr] of this._getCharArcs(iAddr)) {
            if (char_player.d1to1.gl_get(cCurrent, cCurrent).indexOf(cChar) != -1) {
                this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, jAddr, sNewWord+cChar);
            }
            else if (!bAvoidLoop) {
                if (nMaxHardRepl) {
                    this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl-1, nMaxJump, nDist+1, nDeep+1, jAddr, sNewWord+cChar, true);
                }
                if (nMaxJump) {
                    this._suggest(oSuggResult, sRemain, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump-1, nDist+1, nDeep+1, jAddr, sNewWord+cChar, true);
                }
            }
        }
        if (!bAvoidLoop) { // avoid infinite loop
            if (sRemain.length > 1) {
                if (cCurrent == sRemain.slice(1, 2)) {
                    // same char, we remove 1 char without adding 1 to <sNewWord>
                    this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord);
                }
                else {
                    // switching chars
                    if (nMaxSwitch > 0) {
                        this._suggest(oSuggResult, sRemain.slice(1, 2)+sRemain.slice(0, 1)+sRemain.slice(2), nMaxSwitch-1, nMaxDel, nMaxHardRepl, nMaxJump, nDist+1, nDeep+1, iAddr, sNewWord, true);
                    }
                    // delete char
                    if (nMaxDel > 0) {
                        this._suggest(oSuggResult, sRemain.slice(1), nMaxSwitch, nMaxDel-1, nMaxHardRepl, nMaxJump, nDist+1, nDeep+1, iAddr, sNewWord, true);
                    }
                }
                // Phonetic replacements
                for (let sRepl of char_player.get1toXReplacement(sNewWord.slice(-1), cCurrent, sRemain.slice(1,2))) {
                    this._suggest(oSuggResult, sRepl + sRemain.slice(1), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, true);
                }
                for (let sRepl of char_player.d2toX.gl_get(sRemain.slice(0, 2), [])) {
                    this._suggest(oSuggResult, sRepl + sRemain.slice(2), nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, true);
                }
            }
            // end of word
            if (sRemain.length == 2) {
                for (let sRepl of char_player.dFinal2.gl_get(sRemain, [])) {
                    this._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, true);
                }
            }
            else if (sRemain.length == 1) {
                this._suggest(oSuggResult, "", nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, true); // remove last char and go on
                for (let sRepl of char_player.dFinal1.gl_get(sRemain, [])) {
                    this._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, true);
                }
            }
        }
    }

    * _getCharArcs (iAddr) {
        // generator: yield all chars and addresses from node at address <iAddr>

Modified graphspell/ibdawg.py from [9c9c4c03aa] to [c974bfe0f8].

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        self._suggest(oSuggResult, sWord, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump)
        aSugg = oSuggResult.getSuggestions(nSuggLimit)
        if sSfx or sPfx:
            # we add what we removed
            return list(map(lambda sSug: sPfx + sSug + sSfx, aSugg))
        return aSugg

    def _suggest (self, oSuggResult, sRemain, nMaxSwitch=0, nMaxDel=0, nMaxHardRepl=0, nMaxJump=0, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        # recursive function
        #logging.info((nDeep * "  ") + sNewWord + ":" + sRemain)
        if not sRemain:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                oSuggResult.addSugg(sNewWord, nDeep)
            for sTail in self._getTails(iAddr):
                oSuggResult.addSugg(sNewWord+sTail, nDeep)
            return


        cCurrent = sRemain[0:1]
        for cChar, jAddr in self._getCharArcs(iAddr):
            if cChar in cp.d1to1.get(cCurrent, cCurrent):
                self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, jAddr, sNewWord+cChar)
            elif not bAvoidLoop:
                if nMaxHardRepl:
                    self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl-1, nMaxJump, nDeep+1, jAddr, sNewWord+cChar, True)
                if nMaxJump:
                    self._suggest(oSuggResult, sRemain, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump-1, nDeep+1, jAddr, sNewWord+cChar, True)
        if not bAvoidLoop: # avoid infinite loop
            if len(sRemain) > 1:
                if cCurrent == sRemain[1:2]:
                    # same char, we remove 1 char without adding 1 to <sNewWord>
                    self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord)
                else:
                    # switching chars
                    if nMaxSwitch:
                        self._suggest(oSuggResult, sRemain[1:2]+sRemain[0:1]+sRemain[2:], nMaxSwitch-1, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True)
                    # delete char
                    if nMaxDel:
                        self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel-1, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True)
                # Phonetic replacements
                for sRepl in cp.get1toXReplacement(sNewWord[-1:], cCurrent, sRemain[1:2]):
                    self._suggest(oSuggResult, sRepl + sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True)
                for sRepl in cp.d2toX.get(sRemain[0:2], ()):
                    self._suggest(oSuggResult, sRepl + sRemain[2:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True)
            # end of word
            if len(sRemain) == 2:
                for sRepl in cp.dFinal2.get(sRemain, ()):
                    self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True)
            elif len(sRemain) == 1:
                self._suggest(oSuggResult, "", nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True) # remove last char and go on
                for sRepl in cp.dFinal1.get(sRemain, ()):
                    self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDeep+1, iAddr, sNewWord, True)

    #@timethis
    def suggest2 (self, sWord, nMaxSugg=10):
        "returns a set of suggestions for <sWord>"
        sWord = cp.spellingNormalization(sWord)
        sPfx, sWord, sSfx = cp.cut(sWord)
        oSuggResult = SuggResult(sWord)







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        self._suggest(oSuggResult, sWord, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump)
        aSugg = oSuggResult.getSuggestions(nSuggLimit)
        if sSfx or sPfx:
            # we add what we removed
            return list(map(lambda sSug: sPfx + sSug + sSfx, aSugg))
        return aSugg

    def _suggest (self, oSuggResult, sRemain, nMaxSwitch=0, nMaxDel=0, nMaxHardRepl=0, nMaxJump=0, nDist=0, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        # recursive function
        #logging.info((nDeep * "  ") + sNewWord + ":" + sRemain)
        if not sRemain:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                oSuggResult.addSugg(sNewWord, nDeep)
            for sTail in self._getTails(iAddr):
                oSuggResult.addSugg(sNewWord+sTail, nDeep)
            return
        if nDist > oSuggResult.nDistLimit:
            return
        cCurrent = sRemain[0:1]
        for cChar, jAddr in self._getCharArcs(iAddr):
            if cChar in cp.d1to1.get(cCurrent, cCurrent):
                self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, jAddr, sNewWord+cChar)
            elif not bAvoidLoop:
                if nMaxHardRepl:
                    self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl-1, nMaxJump, nDist+1, nDeep+1, jAddr, sNewWord+cChar, True)
                if nMaxJump:
                    self._suggest(oSuggResult, sRemain, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump-1, nDist+1, nDeep+1, jAddr, sNewWord+cChar, True)
        if not bAvoidLoop: # avoid infinite loop
            if len(sRemain) > 1:
                if cCurrent == sRemain[1:2]:
                    # same char, we remove 1 char without adding 1 to <sNewWord>
                    self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord)
                else:
                    # switching chars
                    if nMaxSwitch:
                        self._suggest(oSuggResult, sRemain[1:2]+sRemain[0:1]+sRemain[2:], nMaxSwitch-1, nMaxDel, nMaxHardRepl, nMaxJump, nDist+1, nDeep+1, iAddr, sNewWord, True)
                    # delete char
                    if nMaxDel:
                        self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel-1, nMaxHardRepl, nMaxJump, nDist+1, nDeep+1, iAddr, sNewWord, True)
                # Phonetic replacements
                for sRepl in cp.get1toXReplacement(sNewWord[-1:], cCurrent, sRemain[1:2]):
                    self._suggest(oSuggResult, sRepl + sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, True)
                for sRepl in cp.d2toX.get(sRemain[0:2], ()):
                    self._suggest(oSuggResult, sRepl + sRemain[2:], nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, True)
            # end of word
            if len(sRemain) == 2:
                for sRepl in cp.dFinal2.get(sRemain, ()):
                    self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, True)
            elif len(sRemain) == 1:
                self._suggest(oSuggResult, "", nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, True) # remove last char and go on
                for sRepl in cp.dFinal1.get(sRemain, ()):
                    self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, True)

    #@timethis
    def suggest2 (self, sWord, nMaxSugg=10):
        "returns a set of suggestions for <sWord>"
        sWord = cp.spellingNormalization(sWord)
        sPfx, sWord, sSfx = cp.cut(sWord)
        oSuggResult = SuggResult(sWord)