| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.document; |
| |
| |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList; |
| import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.ProcessingInstruction; |
| |
| |
| /** |
| * ProcessingInstructionImpl class |
| */ |
| public class ProcessingInstructionImpl extends NodeImpl implements ProcessingInstruction { |
| private String data = null; |
| |
| private String target = null; |
| |
| /** |
| * ProcessingInstructionImpl constructor |
| */ |
| protected ProcessingInstructionImpl() { |
| super(); |
| } |
| |
| /** |
| * ProcessingInstructionImpl constructor |
| * |
| * @param that |
| * ProcessingInstructionImpl |
| */ |
| protected ProcessingInstructionImpl(ProcessingInstructionImpl that) { |
| super(that); |
| |
| if (that != null) { |
| this.target = that.target; |
| this.data = that.getData(); |
| } |
| } |
| |
| /** |
| * cloneNode method |
| * |
| * @return org.w3c.dom.Node |
| * @param deep |
| * boolean |
| */ |
| public Node cloneNode(boolean deep) { |
| ProcessingInstructionImpl cloned = new ProcessingInstructionImpl(this); |
| return cloned; |
| } |
| |
| /** |
| * getData method |
| * |
| * @return java.lang.String |
| */ |
| public String getData() { |
| if (this.data != null) |
| return this.data; |
| |
| IStructuredDocumentRegion flatNode = getFirstStructuredDocumentRegion(); |
| if (flatNode == null) |
| return new String(); |
| ITextRegionList regions = flatNode.getRegions(); |
| if (regions == null) |
| return new String(); |
| |
| ITextRegion targetRegion = null; |
| ITextRegion dataRegion = null; |
| ITextRegion closeRegion = null; |
| Iterator e = regions.iterator(); |
| while (e.hasNext()) { |
| ITextRegion region = (ITextRegion) e.next(); |
| String regionType = region.getType(); |
| if (regionType == DOMRegionContext.XML_PI_OPEN) |
| continue; |
| if (regionType == DOMRegionContext.XML_PI_CLOSE) { |
| closeRegion = region; |
| } |
| else { |
| if (targetRegion == null) |
| targetRegion = region; |
| else if (dataRegion == null) |
| dataRegion = region; |
| } |
| } |
| if (dataRegion == null) |
| return new String(); |
| int offset = dataRegion.getStart(); |
| int end = flatNode.getLength(); |
| if (closeRegion != null) |
| end = closeRegion.getStart(); |
| String source = flatNode.getText(); |
| return source.substring(offset, end); |
| } |
| |
| /** |
| * getNodeName method |
| * |
| * @return java.lang.String |
| */ |
| public String getNodeName() { |
| return getTarget(); |
| } |
| |
| /** |
| * getNodeType method |
| * |
| * @return short |
| */ |
| public short getNodeType() { |
| return PROCESSING_INSTRUCTION_NODE; |
| } |
| |
| /** |
| * getNodeValue method |
| * |
| * @return java.lang.String |
| */ |
| public String getNodeValue() { |
| return getData(); |
| } |
| |
| /** |
| * getTarget method |
| * |
| * @return java.lang.String |
| */ |
| public String getTarget() { |
| if (this.target == null) |
| return new String(); |
| return this.target; |
| } |
| |
| /** |
| */ |
| public boolean isClosed() { |
| IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); |
| if (flatNode == null) |
| return true; // will be generated |
| String regionType = StructuredDocumentRegionUtil.getLastRegionType(flatNode); |
| return (regionType == DOMRegionContext.XML_PI_CLOSE); |
| } |
| |
| /** |
| */ |
| void resetStructuredDocumentRegions() { |
| this.data = getData(); |
| setStructuredDocumentRegion(null); |
| } |
| |
| /** |
| * setData method |
| * |
| * @param data |
| * java.lang.String |
| */ |
| public void setData(String data) throws DOMException { |
| if (!isDataEditable()) { |
| throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); |
| } |
| |
| this.data = data; |
| |
| notifyValueChanged(); |
| } |
| |
| /** |
| * setNodeValue method |
| * |
| * @param nodeValue |
| * java.lang.String |
| */ |
| public void setNodeValue(String nodeValue) throws DOMException { |
| setData(nodeValue); |
| } |
| |
| /** |
| */ |
| void setStructuredDocumentRegion(IStructuredDocumentRegion flatNode) { |
| super.setStructuredDocumentRegion(flatNode); |
| if (flatNode != null) |
| this.data = null; |
| } |
| |
| /** |
| * setTarget method |
| * |
| * @param target |
| * java.lang.String |
| */ |
| protected void setTarget(String target) { |
| this.target = target; |
| } |
| |
| /** |
| * toString method |
| * |
| * @return java.lang.String |
| */ |
| public String toString() { |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append(getTarget()); |
| buffer.append('('); |
| buffer.append(getData()); |
| buffer.append(')'); |
| return buffer.toString(); |
| } |
| } |