Grammalecte  Check-in [816624027a]

        # Context
        if bContext:
            dErr['sUnderlined'] = self.sSentence0[dErr["nStart"]:dErr["nEnd"]]
            dErr['sBefore'] = self.sSentence0[max(0,dErr["nStart"]-80):dErr["nStart"]]
            dErr['sAfter'] = self.sSentence0[dErr["nEnd"]:dErr["nEnd"]+80]
        return dErr

    def _expand (self, sMsg, nTokenOffset):
        #print("*", sMsg)
        for m in re.finditer(r"\\([0-9]+)", sMsg):
            sMsg = sMsg.replace(m.group(0), self.lToken[int(m.group(1))+nTokenOffset]["sValue"])
        #print(">", sMsg)
        return sMsg
    def _expand (self, sText, nTokenOffset):
        #print("*", sText)
        for m in re.finditer(r"\\([0-9]+)", sText):
            sText = sText.replace(m.group(0), self.lToken[int(m.group(1))+nTokenOffset]["sValue"])
        #print(">", sText)
        return sText

    def _tagAndPrepareTokenForRewriting (self, sWhat, nTokenRewriteStart, nTokenRewriteEnd, nTokenOffset, bUppercase=True, bDebug=False):
        "text processor: rewrite tokens between <nTokenRewriteStart> and <nTokenRewriteEnd> position"
        if bDebug:
            print("REWRITING:", nTokenRewriteStart, nTokenRewriteEnd)
        if sWhat == "*":
            # purge text

                self.lToken[nTokenRewriteStart]["sNewValue"] = "_"
            else:
                for i in range(nTokenRewriteStart, nTokenRewriteEnd+1):
                    self.lToken[i]["sNewValue"] = "_"
        else:
            if sWhat.startswith("="):
                sWhat = globals()[sWhat[1:]](self.lToken, nTokenOffset)
            else:
                sWhat = self._expand(sWhat, nTokenOffset)
            bUppercase = bUppercase and self.lToken[nTokenRewriteStart]["sValue"][0:1].isupper()
            if nTokenRewriteEnd - nTokenRewriteStart == 0:
                # one token
                sWhat = sWhat + " " * (len(self.lToken[nTokenRewriteStart]["sValue"])-len(sWhat))
                if bUppercase:
                    sWhat = sWhat[0:1].upper() + sWhat[1:]
                self.lToken[nTokenRewriteStart]["sNewValue"] = sWhat