| /******************************************************************************* |
| * Copyright (c) 2001, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.commentelement.impl; |
| |
| |
| |
| import org.eclipse.wst.xml.core.internal.commentelement.CommentElementHandler; |
| import org.eclipse.wst.xml.core.internal.commentelement.util.CommentElementFactory; |
| import org.eclipse.wst.xml.core.internal.commentelement.util.TagScanner; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMAttr; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; |
| import org.eclipse.wst.xml.core.internal.provisional.document.ISourceGenerator; |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NamedNodeMap; |
| |
| |
| /** |
| */ |
| class BasicCommentElementHandler implements CommentElementHandler { |
| |
| private String elementName; |
| private boolean isEmpty; |
| |
| public BasicCommentElementHandler(String elementName, boolean isEmpty) { |
| super(); |
| this.elementName = elementName; |
| this.isEmpty = isEmpty; |
| } |
| |
| |
| public Element createElement(Document document, String data, boolean isJSPTag) { |
| Element element = null; |
| String str = data.trim(); |
| CommentElementFactory factory = new CommentElementFactory(document, isJSPTag, this); |
| if (str.charAt(0) == '/') { // end tag |
| TagScanner scanner = new TagScanner(str, 1); // skip '/' |
| String name = scanner.nextName(); |
| if (name.equals(elementName)) { |
| element = factory.create(name, CommentElementFactory.IS_END); |
| } |
| } else { // start tag |
| TagScanner scanner = new TagScanner(str, 0); |
| String name = scanner.nextName(); |
| if (name.equals(elementName)) { |
| element = factory.create(name, (isEmpty) ? CommentElementFactory.IS_EMPTY : CommentElementFactory.IS_START); |
| // set attributes |
| String attrName = scanner.nextName(); |
| while (attrName != null) { |
| String attrValue = scanner.nextValue(); |
| Attr attr = document.createAttribute(attrName); |
| if (attr != null) { |
| if (attrValue != null) |
| ((IDOMAttr) attr).setValueSource(attrValue); |
| element.setAttributeNode(attr); |
| } |
| attrName = scanner.nextName(); |
| } |
| } |
| } |
| return element; |
| } |
| |
| |
| public String generateEndTagContent(IDOMElement element) { |
| if (isEmpty) { |
| return null; |
| } |
| ISourceGenerator generator = element.getModel().getGenerator(); |
| StringBuffer buffer = new StringBuffer(); |
| |
| buffer.append(" /"); //$NON-NLS-1$ |
| String tagName = generator.generateTagName(element); |
| if (tagName != null) { |
| buffer.append(tagName); |
| } |
| buffer.append(' '); |
| |
| return buffer.toString(); |
| } |
| |
| public String generateStartTagContent(IDOMElement element) { |
| ISourceGenerator generator = element.getModel().getGenerator(); |
| StringBuffer buffer = new StringBuffer(); |
| |
| buffer.append(' '); |
| String tagName = generator.generateTagName(element); |
| if (tagName != null) { |
| buffer.append(tagName); |
| } |
| |
| NamedNodeMap attributes = element.getAttributes(); |
| int length = attributes.getLength(); |
| for (int i = 0; i < length; i++) { |
| Attr attr = (Attr) attributes.item(i); |
| if (attr == null) { |
| continue; |
| } |
| buffer.append(' '); |
| String attrName = generator.generateAttrName(attr); |
| if (attrName != null) { |
| buffer.append(attrName); |
| } |
| String attrValue = generator.generateAttrValue(attr); |
| if (attrValue != null) { |
| // attr name only for HTML boolean and JSP |
| buffer.append('='); |
| buffer.append(attrValue); |
| } |
| } |
| |
| buffer.append(' '); |
| |
| return buffer.toString(); |
| } |
| |
| public boolean isCommentElement(IDOMElement element) { |
| return (element != null && element.getTagName().equals(elementName)) ? true : false; |
| } |
| |
| public boolean isEmpty() { |
| return isEmpty; |
| } |
| } |