/// <summary> /// FmlaWithoutArrayLen might be less than the total array len /// </summary> internal static byte[] GetTokenData(TNameRecordList Names, TParsedTokenList Tokens, TFormulaType FmlaType, out int FmlaLenWithoutArray) { // Remember to ungrow maxrow and maxcol from 2007 too biff8 // Tokens that grow are ptgref, area, 3dref and 3darea. All of them (and nothing else) should ungrow. using (MemoryStream Data = new MemoryStream()) { using (MemoryStream ArrayData = new MemoryStream()) { int[] TokenOffset = new int[Tokens.Count + 1]; TTokenOffset StreamPos = new TTokenOffset(); Int32List FuturePos = new Int32List(); Tokens.ResetPositionToStart(); while (!Tokens.Eof()) { TBaseParsedToken Token = Tokens.ForwardPop(); TokenOffset[Tokens.SavePosition()] = (int)Data.Position; ptg BaseToken = Token.GetBaseId; Add(Data, ArrayData, Token, BaseToken, Tokens, StreamPos, FmlaType, FuturePos); } //while TokenOffset[Tokens.Count] = (int)Data.Position; FixFutureFunctions(Names, FuturePos, Tokens, Data, TokenOffset, ref StreamPos); FixGotoAndMemTokens(Tokens, Data, TokenOffset, StreamPos); ArrayData.Position = 0; Data.Position = Data.Length; //FixGoto will change this. FmlaLenWithoutArray = (int)Data.Length; ArrayData.WriteTo(Data); return(Data.ToArray()); } } }
private static void FixFutureFunctions(TNameRecordList Names, Int32List FuturePos, TParsedTokenList Tokens, MemoryStream Data, int[] TokenOffset, ref TTokenOffset StreamPos) { if (FuturePos.Count == 0) { return; } List <byte> NewData = new List <byte>(Data.ToArray()); //we need to insert in any order for (int i = 0; i < FuturePos.Count; i++) { Tokens.MoveTo(FuturePos[i]); TBaseFunctionToken FuncToken = (TBaseFunctionToken)Tokens.GetToken(FuturePos[i]); for (int k = 0; k < FuncToken.ArgumentCount; k++) //this doesn't include the name. { Tokens.Flush(); } int TokPos = Tokens.SavePosition(); while (TokPos > 0) { if (!(Tokens.GetToken(TokPos - 1) is TIgnoreInCalcToken) || Tokens.GetToken(TokPos - 1) is TAttrToken) { break; } TokPos--; } int ofs = TokenOffset[TokPos]; WriteFutureName(NewData, ofs, FindName(Names, FuncToken.GetFunctionData().FutureName)); for (int k = TokPos; k < TokenOffset.Length; k++) { TokenOffset[k] += 5; } TTokenOffset NewStreamPos = new TTokenOffset(); foreach (int streamofs in StreamPos.Keys) { int sofs = streamofs; if (sofs >= ofs) { sofs += 5; } NewStreamPos.Add(sofs, StreamPos[streamofs]); } StreamPos = NewStreamPos; } Data.SetLength(0); Data.Write(NewData.ToArray(), 0, NewData.Count); }
private static bool BackFromFutureToUserDef(Stream Data, TParsedTokenList Tokens, Int32List FuturePos, TBaseFunctionToken ft, TCellFunctionData fd) { string FutureName = fd.FutureName; if (FutureName != null) { Data.WriteByte((byte)(ft.ArgumentCount + 1)); WriteWord(Data, 0xFF); //User def... FuturePos.Add(Tokens.SavePosition()); return(true); } return(false); }
private void CheckFutureFunction(TParsedTokenListBuilder TokenBuilder, ref int np, TNameRecordList Names, ref TCellFunctionData fd2, TTokenOffset TokenOffset, ref bool HasAggregate) { //We need to recursively read parameters in back order to find out the name, which is stored as far as possible from the function :( TParsedTokenList ParsedList = TokenBuilder.ToParsedTokenList(); ParsedList.ResetPositionToLast(); for (int i = 0; i < np; i++) //np is +1. But we will move below the name, then inc 1, so we know there isn't a "neutral" token like parent or memarea, intead of the real thing. { ParsedList.Flush(); } ParsedList.MoveBack(); TNameToken bp = ParsedList.ForwardPop() as TNameToken; if (bp is TNameXToken) { return; //This name isn't an internal 2007 name. } if (bp == null) { return; } if (bp.NameIndex <= 0 || bp.NameIndex > Names.Count) { return; } string FunctionName = Names[bp.NameIndex - 1].Name; if (FunctionName.StartsWith("_xlfn.", StringComparison.InvariantCultureIgnoreCase)) { TCellFunctionData fn = TXlsFunction.GetData(FunctionName.Substring("_xlfn.".Length)); if (fn != null) { if (fn.Index == (int)TFutureFunctions.Aggregate) { HasAggregate = true; } fd2 = fn; int tPos = ParsedList.SavePosition(); TokenBuilder.RemoveAt(tPos); TokenOffset.RemoveToken(tPos); np--; } } }
private static void Add(Stream Data, Stream ArrayData, TBaseParsedToken Token, ptg BaseToken, TParsedTokenList Tokens, TTokenOffset StreamPos, TFormulaType FmlaType, Int32List FuturePos) { if (IsError(BaseToken, FmlaType)) { Data.WriteByte(0x1C); //PtgErr Data.WriteByte(0x2A); return; } Data.WriteByte((byte)Token.GetId); switch (BaseToken) { case ptg.Exp: TExp_Token exp = (TExp_Token)Token; Biff8Utils.CheckRow(exp.Row); Biff8Utils.CheckCol(exp.Col); WriteWord(Data, exp.Row); WriteWord(Data, exp.Col); break; case ptg.Tbl: TTableObjToken tblo = Token as TTableObjToken; if (tblo != null) { //no biff8 checks here. This numbers might be anything. WriteWord(Data, tblo.Row); WriteWord(Data, tblo.Col); } else { TTableToken tbl = (TTableToken)Token; Biff8Utils.CheckRow(tbl.Row); Biff8Utils.CheckCol(tbl.Col); WriteWord(Data, tbl.Row); WriteWord(Data, tbl.Col); } break; case ptg.Add: case ptg.Sub: case ptg.Mul: case ptg.Div: case ptg.Power: case ptg.Concat: case ptg.LT: case ptg.LE: case ptg.EQ: case ptg.GE: case ptg.GT: case ptg.NE: case ptg.Isect: case ptg.Union: case ptg.Range: case ptg.Uplus: case ptg.Uminus: case ptg.Percent: case ptg.Paren: case ptg.MissArg: break; case ptg.Str: { TStrDataToken tkd = Token as TStrDataToken; string s = tkd.GetData(); if (s.Length > FlxConsts.Max_FormulaStringConstant) { FlxMessages.ThrowException(FlxErr.ErrStringConstantInFormulaTooLong, s, String.Empty); } TExcelString Xs = new TExcelString(TStrLenLength.is8bits, s, null, false); byte[] b = new byte[Xs.TotalSize()]; Xs.CopyToPtr(b, 0); Data.Write(b, 0, b.Length); break; } case ptg.Attr: WriteAttr(Data, Token, StreamPos, Tokens.SavePosition()); break; /* * case ptg.Sheet: //Can't happen, ConvertBiff8ToInternal skips them. * case ptg.EndSheet: //Can't happen, ConvertBiff8ToInternal skips them. * break;*/ case ptg.Err: { Data.WriteByte((byte)((TErrDataToken)Token).GetData()); break; } case ptg.Bool: { if (((TBoolDataToken)Token).GetData()) { Data.WriteByte(1); } else { Data.WriteByte(0); } break; } case ptg.Int: { UInt16 a = (UInt16)((TIntDataToken)Token).GetData(); WriteWord(Data, a); break; } case ptg.Num: { double d = ((TNumDataToken)Token).GetData(); Data.Write(BitConverter.GetBytes(d), 0, 8); break; } case ptg.Array: { Data.Write(new byte[7], 0, 7); TArrayDataToken tk = (TArrayDataToken)Token; object[,] Arr = tk.GetData; int ColCount = Arr.GetLength(1) - 1; if (ColCount < 0 || ColCount > FlxConsts.Max_Columns97_2003) { FlxMessages.ThrowException(FlxErr.ErrInvalidCols, ColCount, FlxConsts.Max_Columns97_2003 + 1); } ArrayData.WriteByte((byte)(ColCount)); int RowCount = Arr.GetLength(0) - 1; if (RowCount < 0 || RowCount > FlxConsts.Max_Rows) { FlxMessages.ThrowException(FlxErr.ErrInvalidRows, RowCount, FlxConsts.Max_Rows + 1); } WriteWord(ArrayData, RowCount); for (int r = 0; r <= RowCount; r++) { for (int c = 0; c <= ColCount; c++) { WriteArrayObject(ArrayData, Arr[r, c]); } } break; } case ptg.Func: { TBaseFunctionToken ft = (TBaseFunctionToken)Token; TCellFunctionData fd = ft.GetFunctionData(); WriteWord(Data, fd.Index); break; } case ptg.FuncVar: { TBaseFunctionToken ft = (TBaseFunctionToken)Token; TCellFunctionData fd = ft.GetFunctionData(); if (!BackFromFutureToUserDef(Data, Tokens, FuturePos, ft, fd)) { Data.WriteByte((byte)ft.ArgumentCount); WriteWord(Data, fd.Index); } break; } case ptg.Name: WriteWord(Data, ((TNameToken)Token).NameIndex); WriteWord(Data, 0); break; case ptg.Ref: case ptg.RefN: case ptg.RefErr: { TRefToken reft = (TRefToken)Token; WriteRef(Data, reft.CanHaveRelativeOffsets, reft.Row, reft.RowAbs, reft.Col, reft.ColAbs); break; } case ptg.Area: case ptg.AreaN: case ptg.AreaErr: { TAreaToken areat = (TAreaToken)Token; WriteArea(Data, areat.CanHaveRelativeOffsets, areat.Row1, areat.RowAbs1, areat.Col1, areat.ColAbs1, areat.Row2, areat.RowAbs2, areat.Col2, areat.ColAbs2); break; } case ptg.MemArea: { WriteWord(Data, 0); WriteWord(Data, 0); StreamPos.Add((int)Data.Position, Tokens.SavePosition()); WriteWord(Data, 0); TRefRange[] Range = ((TMemAreaToken)Token).Data; WriteWord(ArrayData, Range.Length); foreach (TRefRange OneRef in Range) { int r1 = Biff8Utils.CheckAndContractBiff8Row(OneRef.FirstRow); int r2 = Biff8Utils.CheckAndContractBiff8Row(OneRef.LastRow); int c1 = Biff8Utils.CheckAndContractBiff8Col(OneRef.FirstCol); int c2 = Biff8Utils.CheckAndContractBiff8Col(OneRef.LastCol); WriteWord(ArrayData, r1); WriteWord(ArrayData, r2); WriteWord(ArrayData, c1); WriteWord(ArrayData, c2); } break; } case ptg.MemErr: case ptg.MemNoMem: WriteWord(Data, 0); WriteWord(Data, 0); StreamPos.Add((int)Data.Position, Tokens.SavePosition()); WriteWord(Data, 0); break; case ptg.MemFunc: case ptg.MemAreaN: case ptg.MemNoMemN: StreamPos.Add((int)Data.Position, Tokens.SavePosition()); WriteWord(Data, 0); break; case ptg.NameX: TNameXToken NameX = (TNameXToken)Token; WriteWord(Data, NameX.FExternSheet); WriteWord(Data, NameX.NameIndex); WriteWord(Data, 0); break; case ptg.Ref3dErr: case ptg.Ref3d: TRef3dToken reft3d = (TRef3dToken)Token; WriteWord(Data, reft3d.FExternSheet); WriteRef(Data, reft3d.CanHaveRelativeOffsets, reft3d.Row, reft3d.RowAbs, reft3d.Col, reft3d.ColAbs); break; case ptg.Area3d: case ptg.Area3dErr: TArea3dToken areat3d = (TArea3dToken)Token; WriteWord(Data, areat3d.FExternSheet); WriteArea(Data, areat3d.CanHaveRelativeOffsets, areat3d.Row1, areat3d.RowAbs1, areat3d.Col1, areat3d.ColAbs1, areat3d.Row2, areat3d.RowAbs2, areat3d.Col2, areat3d.ColAbs2); break; default: XlsMessages.ThrowException(XlsErr.ErrInternal); //All tokens here should exist break; } }