public String toString() {
StringBuilder b = new StringBuilder();
switch (kind) {
case Name:
b.append(name);
break;
case Function:
if (function == Function.Item) b.append("[");
else {
b.append(name);
b.append("(");
}
boolean first = true;
for (ExpressionNode n : parameters) {
if (first) first = false;
else b.append(", ");
b.append(n.toString());
}
if (function == Function.Item) b.append("]");
else {
b.append(")");
}
break;
case Constant:
b.append(Utilities.escapeJava(constant));
break;
case Group:
b.append("(");
b.append(group.toString());
b.append(")");
}
if (inner != null) {
b.append(".");
b.append(inner.toString());
}
if (operation != null) {
b.append(" ");
b.append(operation.toCode());
b.append(" ");
b.append(opNext.toString());
}
return b.toString();
}
public String check() {
switch (kind) {
case Name:
if (Utilities.noString(name)) return "No Name provided @ " + location();
break;
case Function:
if (function == null) return "No Function id provided @ " + location();
for (ExpressionNode n : parameters) {
String msg = n.check();
if (msg != null) return msg;
}
break;
case Constant:
if (Utilities.noString(constant)) return "No Constant provided @ " + location();
break;
case Group:
if (group == null) return "No Group provided @ " + location();
else {
String msg = group.check();
if (msg != null) return msg;
}
}
if (inner != null) {
String msg = inner.check();
if (msg != null) return msg;
}
if (operation == null) {
if (opNext != null) return "Next provided when it shouldn't be @ " + location();
} else {
if (opNext == null) return "No Next provided @ " + location();
else opNext.check();
}
return null;
}
private void write(StringBuilder b) {
switch (kind) {
case Name:
b.append(name);
break;
case Constant:
b.append(constant);
break;
case Function:
b.append(function.toCode());
b.append('(');
boolean f = true;
for (ExpressionNode n : parameters) {
if (f) f = false;
else b.append(", ");
n.write(b);
}
b.append(')');
break;
case Group:
b.append('(');
group.write(b);
b.append(')');
}
if (inner != null) {
b.append('.');
inner.write(b);
}
if (operation != null) {
b.append(' ');
b.append(operation.toCode());
b.append(' ');
opNext.write(b);
}
}