org.mozilla.javascript.ast.XmlMemberGet Maven / Gradle / Ivy
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript.ast;
import org.mozilla.javascript.Token;
/**
* AST node for E4X ".@" and ".." expressions, such as
* {@code foo..bar}, {@code foo..@bar}, {@code @foo.@bar}, and
* {@code foo..@ns::*}. The right-hand node is always an
* {@link XmlRef}.
*
* Node type is {@link Token#DOT} or {@link Token#DOTDOT}.
*/
public class XmlMemberGet extends InfixExpression {
{
type = Token.DOTDOT;
}
public XmlMemberGet() {
}
public XmlMemberGet(int pos) {
super(pos);
}
public XmlMemberGet(int pos, int len) {
super(pos, len);
}
public XmlMemberGet(int pos, int len, AstNode target, XmlRef ref) {
super(pos, len, target, ref);
}
/**
* Constructs a new {@code XmlMemberGet} node.
* Updates bounds to include {@code target} and {@code ref} nodes.
*/
public XmlMemberGet(AstNode target, XmlRef ref) {
super(target, ref);
}
public XmlMemberGet(AstNode target, XmlRef ref, int opPos) {
super(Token.DOTDOT, target, ref, opPos);
}
/**
* Returns the object on which the XML member-ref expression
* is being evaluated. Should never be {@code null}.
*/
public AstNode getTarget() {
return getLeft();
}
/**
* Sets target object, and sets its parent to this node.
* @throws IllegalArgumentException if {@code target} is {@code null}
*/
public void setTarget(AstNode target) {
setLeft(target);
}
/**
* Returns the right-side XML member ref expression.
* Should never be {@code null} unless the code is malformed.
*/
public XmlRef getMemberRef() {
return (XmlRef)getRight();
}
/**
* Sets the XML member-ref expression, and sets its parent
* to this node.
* @throws IllegalArgumentException if property is {@code null}
*/
public void setProperty(XmlRef ref) {
setRight(ref);
}
@Override
public String toSource(int depth) {
StringBuilder sb = new StringBuilder();
sb.append(makeIndent(depth));
sb.append(getLeft().toSource(0));
sb.append(operatorToString(getType()));
sb.append(getRight().toSource(0));
return sb.toString();
}
}