/**
* @param c Command to be executed
* @param labelOutput specifies if output GeoElements of this command should get labels
* @throws MyError in case command execution fails
* @return Geos created by the command
*/
public final GeoElement[] processCommand(Command c, boolean labelOutput) throws MyError {
if (cmdTable == null) {
initCmdTable();
}
// cmdName
String cmdName = c.getName();
CommandProcessor cmdProc;
//
// // remove CAS variable prefix from command name if present
// cmdName = cmdName.replace(ExpressionNode.GGBCAS_VARIABLE_PREFIX, "");
// MACRO: is there a macro with this command name?
MacroInterface macro = kernel.getMacro(cmdName);
if (macro != null) {
c.setMacro(macro);
cmdProc = macroProc;
}
// STANDARD CASE
else {
// get CommandProcessor object for command name from command table
cmdProc = cmdTable.get(cmdName);
if (cmdProc == null) {
cmdProc = commandTableSwitch(cmdName);
if (cmdProc != null) {
cmdTable.put(cmdName, cmdProc);
}
}
if (cmdProc == null && internalCmdTable != null) {
// try internal command
cmdProc = internalCmdTable.get(cmdName);
}
}
if (cmdProc == null)
throw new MyError(app, app.getError("UnknownCommand") + " : " + app.getCommand(c.getName()));
// switch on macro mode to avoid labeling of output if desired
boolean oldMacroMode = cons.isSuppressLabelsActive();
if (!labelOutput) cons.setSuppressLabelCreation(true);
GeoElement[] ret = null;
try {
ret = cmdProc.process(c);
} catch (MyError e) {
throw e;
} catch (Exception e) {
cons.setSuppressLabelCreation(oldMacroMode);
e.printStackTrace();
throw new MyError(app, app.getError("CAS.GeneralErrorMessage"));
} finally {
cons.setSuppressLabelCreation(oldMacroMode);
}
// remember macro command used:
// this is needed when a single tool A[] is exported to find
// all other tools that are needed for A[]
if (macro != null) cons.addUsedMacro(macro);
return ret;
}
