// Copyright (C) 2009 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.caja.parser.html;
import com.google.caja.lexer.TokenConsumer;
import com.google.caja.parser.AbstractParseTreeNode;
import com.google.caja.parser.js.NoChildren;
import com.google.caja.render.Concatenator;
import com.google.caja.reporting.MarkupRenderMode;
import com.google.caja.reporting.MessageContext;
import com.google.caja.reporting.RenderContext;
import com.google.caja.util.Callback;
import java.io.IOException;
import org.w3c.dom.Node;
/**
* A parse tree wrapper for an org.w3c.DOM node.
*/
public final class Dom extends AbstractParseTreeNode {
private static final long serialVersionUID = -5111504015682453850L;
private final Node n;
public Dom(Node n) {
super(Nodes.getFilePositionFor(n), NoChildren.class);
this.n = n;
}
// Dom nodes can never be considered immutable since they point to an
// org.w3c.dom.Node object, which is unavoidably mutable.
@Override
public boolean makeImmutable() { return false; }
@Override
public boolean isImmutable() { return false; }
@Override
public Node getValue() { return n; }
public TokenConsumer makeRenderer(
Appendable out, Callback<IOException> handler) {
return new Concatenator(out, handler);
}
public void render(RenderContext r) {
Nodes.render(n, r);
}
@Override
public void formatSelf(MessageContext context, int depth, Appendable out)
throws IOException {
out.append(this.getClass().getSimpleName()).append(" : ");
String html = Nodes.render(n, MarkupRenderMode.XML)
.replace("\\", "\\\\").replace("\n", "\\n").replace("\r", "\\r");
out.append(html);
}
@Override public Dom clone() { return new Dom(n.cloneNode(true)); }
}