| /* LiteralNode.java -- | |
| Copyright (C) 2004,2006 Free Software Foundation, Inc. | |
| This file is part of GNU Classpath. | |
| GNU Classpath is free software; you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation; either version 2, or (at your option) | |
| any later version. | |
| GNU Classpath is distributed in the hope that it will be useful, but | |
| WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with GNU Classpath; see the file COPYING. If not, write to the | |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
| 02110-1301 USA. | |
| Linking this library statically or dynamically with other modules is | |
| making a combined work based on this library. Thus, the terms and | |
| conditions of the GNU General Public License cover the whole | |
| combination. | |
| As a special exception, the copyright holders of this library give you | |
| permission to link this library with independent modules to produce an | |
| executable, regardless of the license terms of these independent | |
| modules, and to copy and distribute the resulting executable under | |
| terms of your choice, provided that you also meet, for each linked | |
| independent module, the terms and conditions of the license of that | |
| module. An independent module is a module which is not derived from | |
| or based on this library. If you modify this library, you may extend | |
| this exception to your version of the library, but you are not | |
| obligated to do so. If you do not wish to do so, delete this | |
| exception statement from your version. */ | |
| package gnu.xml.transform; | |
| import java.util.Collection; | |
| import java.util.Collections; | |
| import java.util.HashSet; | |
| import java.util.StringTokenizer; | |
| import javax.xml.namespace.QName; | |
| import javax.xml.transform.TransformerException; | |
| import org.w3c.dom.Document; | |
| import org.w3c.dom.NamedNodeMap; | |
| import org.w3c.dom.Node; | |
| /** | |
| * A template node that copies a DOM node in the template to the result | |
| * tree. | |
| * | |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> | |
| */ | |
| final class LiteralNode | |
| extends TemplateNode | |
| { | |
| /** | |
| * The source node in the XSL template. | |
| */ | |
| final Node source; | |
| final Collection elementExcludeResultPrefixes; | |
| LiteralNode(Node source) | |
| { | |
| this.source = source; | |
| if (source.getNodeType() == Node.ELEMENT_NODE) | |
| { | |
| NamedNodeMap attrs = source.getAttributes(); | |
| Node attr = attrs.getNamedItemNS(Stylesheet.XSL_NS, | |
| "exclude-result-prefixes"); | |
| if (attr != null) | |
| { | |
| elementExcludeResultPrefixes = new HashSet(); | |
| StringTokenizer st = new StringTokenizer(attr.getNodeValue()); | |
| while (st.hasMoreTokens()) | |
| elementExcludeResultPrefixes.add(st.nextToken()); | |
| } | |
| else | |
| elementExcludeResultPrefixes = Collections.EMPTY_SET; | |
| } | |
| else | |
| elementExcludeResultPrefixes = null; | |
| } | |
| TemplateNode clone(Stylesheet stylesheet) | |
| { | |
| TemplateNode ret = new LiteralNode(source); | |
| if (children != null) | |
| ret.children = children.clone(stylesheet); | |
| if (next != null) | |
| ret.next = next.clone(stylesheet); | |
| return ret; | |
| } | |
| void doApply(Stylesheet stylesheet, QName mode, | |
| Node context, int pos, int len, | |
| Node parent, Node nextSibling) | |
| throws TransformerException | |
| { | |
| Node result = null; | |
| Document doc = (parent instanceof Document) ? (Document) parent : | |
| parent.getOwnerDocument(); | |
| short nodeType = source.getNodeType(); | |
| if (nodeType == Node.ATTRIBUTE_NODE && | |
| parent.getFirstChild() != null) | |
| { | |
| // Ignore attributes added after child elements | |
| } | |
| else | |
| { | |
| // Namespace aliasing | |
| if (nodeType == Node.ELEMENT_NODE) | |
| { | |
| String prefix = source.getPrefix(); | |
| if (prefix == null) | |
| prefix = "#default"; | |
| String resultPrefix = | |
| (String) stylesheet.namespaceAliases.get(prefix); | |
| if (resultPrefix != null) | |
| { | |
| if ("#default".equals(resultPrefix)) | |
| resultPrefix = null; | |
| String uri = source.lookupNamespaceURI(resultPrefix); | |
| String name = source.getNodeName(); | |
| // Create a new element node in the result document | |
| result = doc.createElementNS(uri, name); | |
| // copy attributes | |
| NamedNodeMap srcAttrs = source.getAttributes(); | |
| NamedNodeMap dstAttrs = result.getAttributes(); | |
| int l = srcAttrs.getLength(); | |
| for (int i = 0; i < l; i++) | |
| { | |
| Node attr = srcAttrs.item(i); | |
| if (!Stylesheet.XSL_NS.equals(attr.getNamespaceURI())) | |
| { | |
| attr = attr.cloneNode(true); | |
| attr = doc.adoptNode(attr); | |
| dstAttrs.setNamedItemNS(attr); | |
| } | |
| } | |
| } | |
| } | |
| if (result == null) | |
| { | |
| // Create result node | |
| result = source.cloneNode(false); | |
| // Remove any XSL attributes | |
| NamedNodeMap attrs = result.getAttributes(); | |
| if (attrs != null) | |
| { | |
| int l = attrs.getLength(); | |
| for (int i = 0; i < l; i++) | |
| { | |
| Node attr = attrs.item(i); | |
| if (Stylesheet.XSL_NS.equals(attr.getNamespaceURI())) | |
| { | |
| attrs.removeNamedItem(attr.getNodeName()); | |
| i--; | |
| l--; | |
| } | |
| } | |
| } | |
| Node result2 = doc.adoptNode(result); | |
| if (result2 == null) | |
| { | |
| String msg = "Error adopting node to result tree: " + | |
| result + " (" + result.getClass().getName() + ")"; | |
| DOMSourceLocator l = new DOMSourceLocator(context); | |
| throw new TransformerException(msg, l); | |
| } | |
| result = result2; | |
| } | |
| if (nextSibling != null) | |
| parent.insertBefore(result, nextSibling); | |
| else | |
| parent.appendChild(result); | |
| if (nodeType == Node.ELEMENT_NODE) | |
| stylesheet.addNamespaceNodes(source, result, doc, | |
| elementExcludeResultPrefixes); | |
| // children | |
| if (children != null) | |
| children.apply(stylesheet, mode, | |
| context, pos, len, | |
| result, null); | |
| } | |
| // next sibling | |
| if (next != null) | |
| next.apply(stylesheet, mode, | |
| context, pos, len, | |
| parent, nextSibling); | |
| } | |
| public String toString() | |
| { | |
| return source.toString(); | |
| } | |
| } |