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+/* CallTemplateNode.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.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import javax.xml.namespace.QName;
+import javax.xml.transform.TransformerException;
+import org.w3c.dom.Node;
+
+/**
+ * A template node representing the XSL <code>call-template</code>
+ * instruction.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+final class CallTemplateNode
+ extends TemplateNode
+{
+
+ final QName name;
+ final List withParams;
+
+ CallTemplateNode(QName name, List withParams)
+ {
+ this.name = name;
+ this.withParams = withParams;
+ }
+
+ TemplateNode clone(Stylesheet stylesheet)
+ {
+ int len = withParams.size();
+ List withParams2 = new ArrayList(len);
+ for (int i = 0; i < len; i++)
+ withParams2.add(((WithParam) withParams.get(i)).clone(stylesheet));
+ TemplateNode ret = new CallTemplateNode(name, withParams2);
+ 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
+ {
+ TemplateNode t = stylesheet.getTemplate(mode, name);
+ if (t != null)
+ {
+ if (!withParams.isEmpty())
+ {
+ // compute the parameter values
+ LinkedList values = new LinkedList();
+ for (Iterator i = withParams.iterator(); i.hasNext(); )
+ {
+ WithParam p = (WithParam) i.next();
+ if (t.hasParam(p.name)) // ignore parameters not specified
+ {
+ Object value = p.getValue(stylesheet, mode, context,
+ pos, len);
+ Object[] pair = new Object[2];
+ pair[0] = p.name;
+ pair[1] = value;
+ values.add(pair);
+ }
+ }
+ // push the parameter context
+ stylesheet.bindings.push(Bindings.WITH_PARAM);
+ // set the parameters
+ for (Iterator i = values.iterator(); i.hasNext(); )
+ {
+ Object[] pair = (Object[]) i.next();
+ QName name = (QName) pair[0];
+ Object value = pair[1];
+ stylesheet.bindings.set(name, value, Bindings.WITH_PARAM);
+ if (stylesheet.debug)
+ System.err.println("with-param: " + name + " = " + value);
+ }
+ }
+ t.apply(stylesheet, mode, context, pos, len,
+ parent, nextSibling);
+ if (!withParams.isEmpty())
+ {
+ // pop the variable context
+ stylesheet.bindings.pop(Bindings.WITH_PARAM);
+ }
+ }
+ // call-template doesn't have processable children
+ if (next != null)
+ next.apply(stylesheet, mode,
+ context, pos, len,
+ parent, nextSibling);
+ }
+
+ public boolean references(QName var)
+ {
+ for (Iterator i = withParams.iterator(); i.hasNext(); )
+ {
+ if (((WithParam) i.next()).references(var))
+ return true;
+ }
+ return super.references(var);
+ }
+
+ public String toString()
+ {
+ CPStringBuilder buf = new CPStringBuilder("call-template");
+ buf.append('[');
+ buf.append("name=");
+ buf.append(name);
+ buf.append(']');
+ return buf.toString();
+ }
+
+}