| /* |
| * Copyright (c) 2005, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0, which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package com.sun.xml.txw2; |
| |
| /** |
| * @author Kohsuke Kawaguchi |
| */ |
| abstract class Content { |
| private Content next; |
| |
| /** |
| * Returns null if the next token has not decided yet. |
| */ |
| final Content getNext() { |
| return next; |
| } |
| |
| /** |
| * |
| * @param doc |
| * A {@link Content} object is so light-weight that |
| * it doesn't even remember what document it belongs to. |
| * So the caller needs to "remind" a {@link Content} |
| * who its owner is. |
| */ |
| final void setNext(Document doc,Content next) { |
| assert next!=null; |
| assert this.next==null : "next of "+this+" is already set to "+this.next; |
| this.next = next; |
| doc.run(); |
| } |
| |
| /** |
| * Returns true if this content is ready to be committed. |
| */ |
| boolean isReadyToCommit() { |
| return true; |
| } |
| |
| /** |
| * Returns true if this {@link Content} can guarantee that |
| * no more new namespace decls is necessary for the currently |
| * pending start tag. |
| */ |
| abstract boolean concludesPendingStartTag(); |
| |
| /** |
| * Accepts a visitor. |
| */ |
| abstract void accept(ContentVisitor visitor); |
| |
| /** |
| * Called when this content is written to the output. |
| */ |
| public void written() { |
| } |
| } |