public static string Join(string combieChar, string cSymbol, StringJoinOption options, params string[] strparams)
{
string[] rst = new string[strparams.Length];
Array.Copy(strparams, rst, strparams.Length);
if ((options & StringJoinOption.Reverse) != 0)
{
Array.Reverse(rst);
}
bool removeEmpty = (options & StringJoinOption.RemoveEmpty) != 0;
bool noLastJoinflag = (options & StringJoinOption.NoLastJoinFlag) != 0;
bool checkstringcombiechar = (options & StringJoinOption.CheckStringCombieChar) != 0;
bool cSymbolEmpty = IsEmpty(cSymbol);
if (options == StringJoinOption.None || (!removeEmpty && !noLastJoinflag && !checkstringcombiechar))
{
return(string.Join(combieChar, rst) + combieChar);
}
else if (cSymbolEmpty && options == StringJoinOption.NoLastJoinFlag)
{
return(string.Join(combieChar, rst));
}
else
{
List <string> list = new List <string>(strparams);
StringBuilder sb = new StringBuilder(strparams.Length * 10);
for (int i = 0; i < rst.Length; i++)
{
if (!(removeEmpty && IsEmpty(rst[i])))
{
if (!cSymbolEmpty)
{
sb.Append(cSymbol);
sb.Append(rst[i]);
sb.Append(cSymbol);
}
else
{
sb.Append(rst[i]);
}
if (!(checkstringcombiechar && cSymbolEmpty && rst[i].EndsWith(combieChar)))
{
sb.Append(combieChar);
}
}
}
if (noLastJoinflag)
{
sb.Remove(sb.Length - 1, combieChar.Length);
}
return(sb.ToString());
}
}
public static string Join(string combieChar, StringJoinOption options, params string[] strparams)
{
return(Join(combieChar, string.Empty, options, strparams));
}
