/// This is the function which actually obeys one command. Rather than applying
/// the command directly, an event containing a reference to the command is sent
/// to the main (GUI) thread. This is because having more than one thread access
/// the GUI at a time causes problems with wxwidgets.
int ExecCommand(wxString *pIn, wxString *pOut)
{
CommandBuilder builder(*pIn);
if (builder.WasValid())
{
AudacityProject *project = GetActiveProject();
project->SafeDisplayStatusMessage(wxT("Received script command"));
Command *cmd = builder.GetCommand();
ScriptCommandRelay::PostCommand(project, cmd);
*pOut = wxEmptyString;
} else
{
*pOut = wxT("Syntax error!\n");
*pOut += builder.GetErrorMessage() + wxT("\n");
builder.Cleanup();
}
// Wait until all responses from the command have been received.
// The last response is signalled by an empty line.
wxString msg = ScriptCommandRelay::ReceiveResponse().GetMessage();
while (msg != wxT("\n"))
{
*pOut += msg + wxT("\n");
msg = ScriptCommandRelay::ReceiveResponse().GetMessage();
}
return 0;
}
