bcb Split涵数

// 拆分字符
TStringList *Split(WideString Spliter, WideString String, int SplitNumber = 0)
{
    int const MaxPos = 0x7fffffff, StartPos = 1;
    int FindPos, CharLen, Length, MySplitNumber=0;
    TStringList *Strs = new TStringList;
    BOOL LostTail;

    //if (SplitNumber == 0) LostTail = TRUE; 不严格，LostTail 在
    // SplitNumber != 0 时可能是任何值。故修改如下：
    LostTail = (SplitNumber == 0);
    //^^^^^^^^^^^^^^^^^^^^^^^^^^\\
    if (SplitNumber <= 0) SplitNumber = MaxPos;
        else MySplitNumber = SplitNumber;
    CharLen = Spliter.Length(); Length = String.Length();

    while(1)
    {
        FindPos = String.Pos(Spliter);
        if (CharLen <= 0){
            if (FindPos > Length) break;
                else FindPos++;
        }
        if ((FindPos == 0) || (SplitNumber <= 1)){
            Strs->Add(String.SubString(StartPos,MaxPos));
            break;
        }
        --SplitNumber;
        Strs->Add(String.SubString(StartPos,FindPos - StartPos));
        String = String.SubString(FindPos+CharLen,MaxPos);
    }
    int i;
    for (i=Strs->Count; i<MySplitNumber; i++){
        Strs->Add("");
    }
    if (LostTail){
        for (i = Strs->Count - 1; i>=0; i--)
            if (Strs->Strings[i] == "") Strs->Delete(i);
                else break;
    }

    return Strs;
}