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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/xml/transform/LiteralNode.java
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+/* 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();
+ }
+
+}