/// <summary>
/// Command creator for commands which may or may not have parameter
/// </summary>
/// <param name="type"></param>
/// <param name="sArray"></param>
/// <returns></returns>
private static FtpCommand Creater1or2(FtpCommandType type, string[] sArray)
{
FtpCommand command = null;
if (sArray.Length == 2)
{
command = new FtpCommand();
command.m_Content = sArray[1];
command.m_Type = type;
}
else if (sArray.Length == 1)
{
command = new FtpCommand();
command.m_Type = type;
}
return(command);
}
/// <summary>
/// Command creator for commands which may or may not have parameter
/// </summary>
/// <param name="type"></param>
/// <param name="sArray"></param>
/// <returns></returns>
private static FtpCommand Creater1or2(FtpCommandType type, string[] sArray)
{
FtpCommand command = null;
if (sArray.Length == 2)
{
command = new FtpCommand();
command.m_Content = sArray[1];
command.m_Type = type;
}
else if (sArray.Length == 1)
{
command = new FtpCommand();
command.m_Type = type;
}
return command;
}
/// <summary>
/// Create an ftp command from an input string
/// </summary>
/// <param name="rawCmd"></param>
/// <returns></returns>
public static FtpCommand Create(string rawCmd)
{
FtpCommand cmd = null;
string[] sArray = null;
string input = rawCmd.Trim();
int firstSpace = input.IndexOf(' ');
if (firstSpace == -1) // there is no space
{
sArray = new string[1];
sArray[0] = input.ToUpper();
}
else
{
sArray = new string[2];
sArray[0] = input.Substring(0, firstSpace).ToUpper();
sArray[1] = input.Substring(firstSpace + 1);
}
if (sArray[0] == "USER")
{
cmd = Creater2(FtpCommandType.User, sArray);
}
else if (sArray[0] == "PASS")
{
cmd = Creater2(FtpCommandType.Pass, sArray);
}
else if (sArray[0] == "CWD" || sArray[0] == "XCWD")
{
if (sArray.Length == 2)
{
string s = sArray[1];
if (s[s.Length - 1] != '/')
{
sArray[1] += "/";
}
}
cmd = Creater2(FtpCommandType.Cwd, sArray);
}
else if (sArray[0] == "PASV")
{
cmd = Creater1(FtpCommandType.Pasv, sArray);
}
else if (sArray[0] == "QUIT")
{
cmd = Creater1(FtpCommandType.Quit, sArray);
}
else if (sArray[0] == "TYPE")
{
cmd = Creater2(FtpCommandType.Type, sArray);
}
else if (sArray[0] == "LIST")
{
cmd = Creater1or2(FtpCommandType.List, sArray);
}
else if (sArray[0] == "NLST")
{
cmd = Creater1or2(FtpCommandType.NList, sArray);
}
else if (sArray[0] == "PORT")
{
cmd = Creater2(FtpCommandType.Port, sArray);
}
else if (sArray[0] == "SYST")
{
cmd = Creater1(FtpCommandType.Sys, sArray);
}
else if (sArray[0] == "FEAT")
{
cmd = Creater1(FtpCommandType.Feature, sArray);
}
else if (sArray[0] == "PWD" || sArray[0] == "XPWD")
{
cmd = Creater1(FtpCommandType.Pwd, sArray);
}
else if (sArray[0] == "RETR")
{
cmd = Creater2(FtpCommandType.Retr, sArray);
}
else if (sArray[0] == "MDTM")
{
cmd = Creater2(FtpCommandType.Mdtm, sArray);
}
else if (sArray[0] == "OPTS")
{
cmd = Creater2(FtpCommandType.Opts, sArray);
}
else if (sArray[0] == "SIZE")
{
cmd = Creater2(FtpCommandType.Size, sArray);
}
else if (sArray[0] == "STOR")
{
cmd = Creater2(FtpCommandType.Store, sArray);
}
else if (sArray[0] == "NOOP")
{
cmd = Creater1(FtpCommandType.Noop, sArray);
}
else if (sArray[0] == "DELE")
{
cmd = Creater2(FtpCommandType.Delete, sArray);
}
else if (sArray[0] == "MKD" || sArray[0] == "XMKD")
{
cmd = Creater2(FtpCommandType.MkDir, sArray);
}
else if (sArray[0] == "RMD" || sArray[0] == "XRMD")
{
cmd = Creater2(FtpCommandType.Rmd, sArray);
}
else if (sArray[0] == "RNFR")
{
cmd = Creater2(FtpCommandType.Rnfr, sArray);
}
else if (sArray[0] == "RNTO")
{
cmd = Creater2(FtpCommandType.Rnto, sArray);
}
else
{
cmd = new FtpCommand();
cmd.m_Type = FtpCommandType.Unknown;
}
return cmd;
}
/// <summary>
/// Command creator for commands which do not contains parameters
/// </summary>
/// <param name="type"></param>
/// <param name="sArray"></param>
/// <returns></returns>
private static FtpCommand Creater1(FtpCommandType type, string[] sArray)
{
FtpCommand command = null;
if (sArray.Length == 1)
{
command = new FtpCommand();
command.m_Type = type;
}
return command;
}
/// <summary>
/// Create an ftp command from an input string
/// </summary>
/// <param name="rawCmd"></param>
/// <returns></returns>
public static FtpCommand Create(string rawCmd)
{
FtpCommand cmd = null;
string[] sArray = null;
string input = rawCmd.Trim();
int firstSpace = input.IndexOf(' ');
if (firstSpace == -1) // there is no space
{
sArray = new string[1];
sArray[0] = input.ToUpper();
}
else
{
sArray = new string[2];
sArray[0] = input.Substring(0, firstSpace).ToUpper();
sArray[1] = input.Substring(firstSpace + 1);
}
if (sArray[0] == "USER")
{
cmd = Creater2(FtpCommandType.User, sArray);
}
else if (sArray[0] == "PASS")
{
cmd = Creater2(FtpCommandType.Pass, sArray);
}
else if (sArray[0] == "CWD" || sArray[0] == "XCWD")
{
if (sArray.Length == 2)
{
string s = sArray[1];
if (s[s.Length - 1] != '/')
{
sArray[1] += "/";
}
}
cmd = Creater2(FtpCommandType.Cwd, sArray);
}
else if (sArray[0] == "PASV")
{
cmd = Creater1(FtpCommandType.Pasv, sArray);
}
else if (sArray[0] == "QUIT")
{
cmd = Creater1(FtpCommandType.Quit, sArray);
}
else if (sArray[0] == "TYPE")
{
cmd = Creater2(FtpCommandType.Type, sArray);
}
else if (sArray[0] == "LIST")
{
cmd = Creater1or2(FtpCommandType.List, sArray);
}
else if (sArray[0] == "NLST")
{
cmd = Creater1or2(FtpCommandType.NList, sArray);
}
else if (sArray[0] == "PORT")
{
cmd = Creater2(FtpCommandType.Port, sArray);
}
else if (sArray[0] == "SYST")
{
cmd = Creater1(FtpCommandType.Sys, sArray);
}
else if (sArray[0] == "FEAT")
{
cmd = Creater1(FtpCommandType.Feature, sArray);
}
else if (sArray[0] == "PWD" || sArray[0] == "XPWD")
{
cmd = Creater1(FtpCommandType.Pwd, sArray);
}
else if (sArray[0] == "RETR")
{
cmd = Creater2(FtpCommandType.Retr, sArray);
}
else if (sArray[0] == "MDTM")
{
cmd = Creater2(FtpCommandType.Mdtm, sArray);
}
else if (sArray[0] == "OPTS")
{
cmd = Creater2(FtpCommandType.Opts, sArray);
}
else if (sArray[0] == "SIZE")
{
cmd = Creater2(FtpCommandType.Size, sArray);
}
else if (sArray[0] == "STOR")
{
cmd = Creater2(FtpCommandType.Store, sArray);
}
else if (sArray[0] == "NOOP")
{
cmd = Creater1(FtpCommandType.Noop, sArray);
}
else if (sArray[0] == "DELE")
{
cmd = Creater2(FtpCommandType.Delete, sArray);
}
else if (sArray[0] == "MKD" || sArray[0] == "XMKD")
{
cmd = Creater2(FtpCommandType.MkDir, sArray);
}
else if (sArray[0] == "RMD" || sArray[0] == "XRMD")
{
cmd = Creater2(FtpCommandType.Rmd, sArray);
}
else if (sArray[0] == "RNFR")
{
cmd = Creater2(FtpCommandType.Rnfr, sArray);
}
else if (sArray[0] == "RNTO")
{
cmd = Creater2(FtpCommandType.Rnto, sArray);
}
else
{
cmd = new FtpCommand();
cmd.m_Type = FtpCommandType.Unknown;
}
return(cmd);
}