public static DialogueKBFormula processGoalExpression(DialogueKBFormula f, String goalVarName)
throws Exception {
HashMap<DialogueKBFormula, DialogueKBFormula> subs =
new HashMap<DialogueKBFormula, DialogueKBFormula>();
subs.put(DialogueKBFormula.create(".", null), DialogueKBFormula.create(goalVarName, null));
return f.substitute(subs);
}
public static DialogueOperatorEffect createIncrementForVariable(
String var, DialogueKBFormula increment) throws Exception {
DialogueKBFormula varf = DialogueKBFormula.create(var, null);
Collection<DialogueKBFormula> args = new ArrayList<DialogueKBFormula>();
args.add(varf);
args.add(increment);
DialogueKBFormula incf = DialogueKBFormula.create("+", args);
return DialogueOperatorEffect.createAssignment(varf, incf, false);
}
public static DialogueOperatorEffect createIncrementForVariable(String var, Number val)
throws Exception {
DialogueKBFormula increment = DialogueKBFormula.create(val + "", null);
return DialogueOperatorEffect.createIncrementForVariable(var, increment);
}
public static DialogueOperatorEffect createAssignment(String varName, Object value)
throws Exception {
return createAssignment(DialogueKBFormula.create(varName, null), value, true);
}
