/// <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;
}
}
