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/* -*- 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.htmlunit.corejs.javascript.ast;

import org.htmlunit.corejs.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(dotsToString()); sb.append(getRight().toSource(0)); return sb.toString(); } /** * Gives string representation of inner dots token. * * @return String representation of inner dots token (e.g. '.' or '..') * @throws IllegalArgumentException on unexpected token type */ private String dotsToString() { switch (getType()) { case Token.DOT: return "."; case Token.DOTDOT: return ".."; default: throw new IllegalArgumentException("Invalid type of XmlMemberGet: " + getType()); } } }





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