bool
CommandObject::ParseOptions
(
Args& args,
CommandReturnObject &result
)
{
// See if the subclass has options?
Options *options = GetOptions();
if (options != NULL)
{
Error error;
options->NotifyOptionParsingStarting();
// ParseOptions calls getopt_long, which always skips the zero'th item in the array and starts at position 1,
// so we need to push a dummy value into position zero.
args.Unshift("dummy_string");
error = args.ParseOptions (*options);
// The "dummy_string" will have already been removed by ParseOptions,
// so no need to remove it.
if (error.Success())
error = options->NotifyOptionParsingFinished();
if (error.Success())
{
if (options->VerifyOptions (result))
return true;
}
else
{
const char *error_cstr = error.AsCString();
if (error_cstr)
{
// We got an error string, lets use that
result.AppendError(error_cstr);
}
else
{
// No error string, output the usage information into result
options->GenerateOptionUsage (result.GetErrorStream(), this);
}
}
result.SetStatus (eReturnStatusFailed);
return false;
}
return true;
}
