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 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--;
}
}
}