public override ReturnCode Execute(
Interpreter interpreter,
IClientData clientData,
ArgumentList arguments,
ref Result result
)
{
ReturnCode code = ReturnCode.Ok;
if (interpreter != null)
{
if (arguments != null)
{
if ((arguments.Count == 1) || (arguments.Count == 2))
{
string directory;
if (arguments.Count == 2)
{
directory = arguments[1];
}
else
{
directory = PathOps.GetUserDirectory(true);
if (directory == null)
{
result = "failed to get home or profile directory for user";
code = ReturnCode.Error;
}
}
if (code == ReturnCode.Ok)
{
try
{
directory = PathOps.ResolveFullPath(interpreter, directory);
if (!String.IsNullOrEmpty(directory))
{
Directory.SetCurrentDirectory(directory);
result = String.Empty;
}
else
{
result = "unrecognized path";
code = ReturnCode.Error;
}
}
catch (Exception e)
{
Engine.SetExceptionErrorCode(interpreter, e);
result = e;
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"cd ?dirName?\"";
code = ReturnCode.Error;
}
}
else
{
result = "invalid argument list";
code = ReturnCode.Error;
}
}
else
{
result = "invalid interpreter";
code = ReturnCode.Error;
}
return(code);
}
