1 files changed, 159 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/xml/transform/ForEachNode.java b/libjava/classpath/gnu/xml/transform/ForEachNode.java
new file mode 100644
index 000000000..1613f768b
--- /dev/null
+++ b/libjava/classpath/gnu/xml/transform/ForEachNode.java
@@ -0,0 +1,159 @@
+/* ForEachNode.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 gnu.java.lang.CPStringBuilder;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import javax.xml.namespace.QName;
+import javax.xml.transform.TransformerException;
+import org.w3c.dom.Node;
+import gnu.xml.xpath.Expr;
+
+/**
+ * A template node representing an XSLT <code>for-each</code> instruction.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+final class ForEachNode
+  extends TemplateNode
+{
+
+  final Expr select;
+  final List<SortKey> sortKeys;
+
+  ForEachNode(Expr select, List<SortKey> sortKeys)
+  {
+    this.select = select;
+    this.sortKeys = sortKeys;
+  }
+
+  TemplateNode clone(Stylesheet stylesheet)
+  {
+    int len = sortKeys.size();
+    List<SortKey> sortKeys2 = new ArrayList<SortKey>(len);
+    for (int i = 0; i < len; i++)
+      sortKeys2.add(sortKeys.get(i).clone(stylesheet));
+    TemplateNode ret = new ForEachNode(select.clone(stylesheet),
+                                       sortKeys2);
+    if (children != null)
+      ret.children = children.clone(stylesheet);
+    if (next != null)
+      ret.next = next.clone(stylesheet);
+    return ret;
+  }
+
+  @Override
+  void doApply(Stylesheet stylesheet, QName mode,
+             Node context, int pos, int len,
+             Node parent, Node nextSibling)
+    throws TransformerException
+  {
+    if (children != null)
+      {
+        // Set current template to null
+        Template saved = stylesheet.currentTemplate;
+        stylesheet.currentTemplate = null;
+        Object ret = select.evaluate(context, pos, len);
+        //System.err.println(toString() + ": " + context+" -> "+ret);
+        if (ret instanceof Collection)
+          {
+            /* Suppression is safe, as we know context produces Collection<Node> */
+            @SuppressWarnings("unchecked")
+              Collection<Node> ns = (Collection<Node>) ret;
+            List<Node> list = new ArrayList<Node>(ns);
+            if (!sortKeys.isEmpty())
+              {
+                for (SortKey sortKey : sortKeys)
+                  {
+                    sortKey.init(stylesheet, mode, context, pos, len, parent,
+                                 nextSibling);
+                  }
+                Collections.sort(list, new XSLComparator(sortKeys));
+              }
+            else
+              Collections.sort(list, documentOrderComparator);
+            // Perform children for each node
+            int l = list.size();
+            int p = 1;
+            for (Node node : list)
+              {
+                stylesheet.current = node;
+                children.apply(stylesheet, mode,
+                               node, p++, l,
+                               parent, nextSibling);
+              }
+          }
+        // Restore current template
+        stylesheet.currentTemplate = saved;
+      }
+    if (next != null)
+      next.apply(stylesheet, mode,
+                 context, pos, len,
+                 parent, nextSibling);
+  }
+
+  @Override
+  public boolean references(QName var)
+  {
+    if (select != null && select.references(var))
+      return true;
+    for (Iterator<SortKey> i = sortKeys.iterator(); i.hasNext(); )
+      {
+        if (i.next().references(var))
+          return true;
+      }
+    return super.references(var);
+  }
+
+  @Override
+  public String toString()
+  {
+    CPStringBuilder buf = new CPStringBuilder("for-each");
+    buf.append('[');
+    buf.append("select=");
+    buf.append(select);
+    buf.append(']');
+    return buf.toString();
+  }
+
+}