| /******************************************************************************* |
| * Copyright (c) 2011, 2013 Tasktop Technologies. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * David Green - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.wikitext.internal.parser.html; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.jsoup.helper.StringUtil; |
| import org.jsoup.nodes.Document; |
| import org.jsoup.nodes.Element; |
| import org.jsoup.nodes.Node; |
| import org.jsoup.nodes.TextNode; |
| |
| /** |
| * @author David Green |
| */ |
| public abstract class DocumentProcessor { |
| public abstract void process(Document document); |
| |
| /** |
| * normalize text node children of the given parent element. Ensures that adjacent text nodes are combined into a |
| * single text node, and whitespace is normalized. |
| * |
| * @param parentElement |
| * the parent element whose children should be normalized |
| * @see StringUtil#normaliseWhitespace(String) |
| */ |
| protected static void normalizeTextNodes(Element parentElement) { |
| List<Node> children = parentElement.childNodes(); |
| if (!children.isEmpty()) { |
| children = new ArrayList<Node>(children); |
| for (Node child : children) { |
| if (child instanceof TextNode) { |
| TextNode childTextNode = (TextNode) child; |
| Node previousSibling = child.previousSibling(); |
| if (previousSibling instanceof TextNode) { |
| TextNode previousSiblingTextNode = (TextNode) previousSibling; |
| childTextNode.text(previousSiblingTextNode.text() + childTextNode.text()); |
| previousSibling.remove(); |
| } |
| String wholeText = childTextNode.getWholeText(); |
| if (!Html.isWhitespacePreserve(parentElement)) { |
| wholeText = StringUtil.normaliseWhitespace(wholeText); |
| } |
| childTextNode.text(wholeText); |
| } |
| } |
| } |
| } |
| } |