public void setString(String input) {
searchindex = 0;
scanner.setString(input);
tokens = scanner.getTokens();
history.addElement(tokens);
interpretCommand();
Runnable a = interpretCommand();
a.run();
listeners.notifyAllListeners(
new PropertyChangeEvent(this, "history", getHistory(), getHistory()));
listeners.notifyAllListeners(new PropertyChangeEvent(this, "tokens", getTokens(), getTokens()));
}
public Command parseMove() {
int x = 0, y = 0;
Avatar avatar = null;
if (getTokens()[1] instanceof Word) {
avatar = (Avatar) avatars.get(getTokens()[1].getToken().toLowerCase());
if (4 < getTokens().length - 1) {
if (!(getTokens()[2] instanceof Number)) {
if ((getTokens()[4] instanceof Number)) {
x = ((Number) getTokens()[3]).getNumber();
if (getTokens()[2] instanceof Minus) x = -x;
y = ((Number) getTokens()[4]).getNumber();
} else {
x = ((Number) getTokens()[3]).getNumber();
if (getTokens()[2] instanceof Minus) x = -x;
y = ((Number) getTokens()[5]).getNumber();
if (getTokens()[4] instanceof Minus) y = -y;
}
} else if (!(getTokens()[3] instanceof Number)) {
x = ((Number) getTokens()[2]).getNumber();
y = ((Number) getTokens()[4]).getNumber();
if (getTokens()[3] instanceof Minus) y = -y;
}
} else {
if (getTokens()[2] instanceof Number && getTokens()[3] instanceof Number) {
x = ((Number) getTokens()[2]).getNumber();
y = ((Number) getTokens()[3]).getNumber();
} else {
if (!(getTokens()[2] instanceof Number) && !(getTokens()[3] instanceof Number)) {
System.out.println(
"ERROR! 3rd and 4th arguments in command MOVE should be integers. You provided type "
+ getTokens()[2].getClass().getName().substring(9)
+ " and "
+ getTokens()[3].getClass().getName().substring(9)
+ ".");
} else if (!(getTokens()[2] instanceof Number)) {
System.out.println(
"ERROR! 3rd argument in command MOVE should be an integer. You provided type "
+ getTokens()[2].getClass().getName().substring(9)
+ ".");
} else if (!(getTokens()[3] instanceof Number)) {
System.out.println(
"ERROR! 4th argument in command MOVE should be an integer. You provided type "
+ getTokens()[3].getClass().getName().substring(9)
+ ".");
}
}
}
listeners.notifyAllListeners(
new PropertyChangeEvent(this, "tokens", getTokens(), getTokens()));
} else {
System.out.println(
"ERROR! 2nd argument in command MOVE should be a Word. You provided type "
+ getTokens()[1].getClass().getName().substring(10)
+ ".");
}
return new ACommandObjectMove(avatar, x, y, canvas);
}
@ObserverRegisterer(ObserverTypes.PROPERTY_LISTENER)
public void addPropertyChangeListener(PropertyChangeListener listener) {
listeners.add(listener);
listener.propertyChange(new PropertyChangeEvent(this, "history", 0, getHistory()));
listener.propertyChange(new PropertyChangeEvent(this, "tokens", 0, getTokens()));
}