private bool DoRPN(TParsedTokenListBuilder TokenBuilder, TNameRecordList Names, byte[] RPN, int atPos, int afPos, ref bool HasSubtotal, ref bool HasAggregate)
{
int tPos = atPos;
int fPos = afPos;
int ArrayPos = fPos;
TTokenOffset TokenOffset = new TTokenOffset();
while (tPos < fPos)
{
TokenOffset.Add(tPos, TokenBuilder.Count);
byte RealToken = RPN[tPos];
ptg BaseToken = TBaseParsedToken.CalcBaseToken((ptg)RealToken);
TUnsupportedFormulaErrorType ErrType = TUnsupportedFormulaErrorType.FormulaTooComplex;
string ErrName = null;
if (!Evaluate(TokenBuilder, TokenOffset, Names, BaseToken, (ptg)RealToken, RPN, ref tPos, ref ArrayPos, ref ErrType, ref ErrName, ref HasSubtotal, ref HasAggregate))
{
TokenBuilder.Clear();
return(false);
}
tPos++;
} //while
TokenOffset.Add(tPos, TokenBuilder.Count); //eof
FixGotosAndMemTokens(TokenBuilder, TokenOffset);
return(true);
}
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 void WriteAttr(Stream Data, TBaseParsedToken Token, TTokenOffset StreamPos, int TokenPos)
{
if (Token is TAttrVolatileToken)
{
Data.WriteByte(0x01);
WriteWord(Data, 0);
return;
}
if (Token is TAttrSumToken)
{
Data.WriteByte(0x10);
WriteWord(Data, 0);
return;
}
if (Token is TAttrSpaceToken)
{
int Id = 0x40;
TAttrSpaceToken sp = (TAttrSpaceToken)Token;
if (sp.Volatile)
{
Id |= 0x01;
}
Data.WriteByte((byte)Id);
Data.WriteByte((byte)sp.SpaceType);
Data.WriteByte((byte)sp.SpaceCount);
return;
}
TAttrOptIfToken oiftk = Token as TAttrOptIfToken;
if (oiftk != null)
{
Data.WriteByte(0x02);
StreamPos.Add((int)Data.Position, TokenPos);
WriteWord(Data, 0);
return;
}
TAttrOptChooseToken ctk = Token as TAttrOptChooseToken;
if (ctk != null)
{
Data.WriteByte(0x04);
WriteWord(Data, ctk.PositionOfNextPtg.Length - 1);
StreamPos.Add((int)Data.Position, TokenPos);
for (int i = 0; i < ctk.PositionOfNextPtg.Length; i++)
{
WriteWord(Data, 0);
}
return;
}
TAttrGotoToken gtk = Token as TAttrGotoToken;
if (gtk != null)
{
Data.WriteByte(0x08);
StreamPos.Add((int)Data.Position, TokenPos);
WriteWord(Data, 0);
return;
}
XlsMessages.ThrowException(XlsErr.ErrInternal); //All tokens here should exist
}
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;
}
}