com.google.gwt.uibinder.rebind.GetInnerHtmlVisitor Maven / Gradle / Ivy
/*
* Copyright 2008 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.gwt.uibinder.rebind;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.uibinder.rebind.XMLElement.Interpreter;
import org.w3c.dom.Element;
class GetInnerHtmlVisitor extends GetInnerTextVisitor {
/**
* Recursively gathers an HTML representation of the children of the given
* Elem, and stuffs it into the given StringBuffer. Applies the interpreter to
* each descendant, and uses the writer to report errors.
*/
public static void getEscapedInnerHtml(Element elem, StringBuffer buffer,
Interpreter interpreter, XMLElementProvider writer)
throws UnableToCompleteException {
new ChildWalker().accept(elem, new GetInnerHtmlVisitor(buffer, interpreter,
writer));
}
private GetInnerHtmlVisitor(StringBuffer buffer,
Interpreter interpreter, XMLElementProvider writer) {
super(buffer, interpreter, writer);
}
@Override
public void visitElement(Element elem) throws UnableToCompleteException {
XMLElement xmlElement = elementProvider.get(elem);
String replacement = interpreter.interpretElement(xmlElement);
if (replacement != null) {
buffer.append(replacement);
return;
}
// TODO(jgw): Ditch the closing tag when there are no children.
buffer.append(xmlElement.consumeOpeningTag());
getEscapedInnerHtml(elem, buffer, interpreter, elementProvider);
buffer.append(xmlElement.getClosingTag());
}
}