Пример #1
0
        /// <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());
                }
            }
        }
Пример #2
0
        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);
        }
Пример #3
0
        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);
        }
Пример #4
0
        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--;
                }
            }
        }
Пример #5
0
        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;
            }
        }