124 lines
3.6 KiB
Java
124 lines
3.6 KiB
Java
/* WithParam.java --
|
|
Copyright (C) 2004 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.Collections;
|
|
import javax.xml.namespace.QName;
|
|
import javax.xml.transform.TransformerException;
|
|
import org.w3c.dom.Document;
|
|
import org.w3c.dom.DocumentFragment;
|
|
import org.w3c.dom.Node;
|
|
import gnu.xml.xpath.Expr;
|
|
|
|
/**
|
|
* A specification for setting a variable or parameter during template
|
|
* processing with <code>apply-templates</code> or
|
|
* <code>call-template</code>.
|
|
*
|
|
* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
|
|
*/
|
|
final class WithParam
|
|
{
|
|
|
|
final QName name;
|
|
final Expr select;
|
|
final TemplateNode content;
|
|
|
|
WithParam(QName name, Expr select)
|
|
{
|
|
this.name = name;
|
|
this.select = select;
|
|
content = null;
|
|
}
|
|
|
|
WithParam(QName name, TemplateNode content)
|
|
{
|
|
this.name = name;
|
|
this.content = content;
|
|
select = null;
|
|
}
|
|
|
|
Object getValue(Stylesheet stylesheet, QName mode,
|
|
Node context, int pos, int len)
|
|
throws TransformerException
|
|
{
|
|
if (select != null)
|
|
{
|
|
return select.evaluate(context, pos, len);
|
|
}
|
|
else
|
|
{
|
|
Document doc = (context instanceof Document) ? (Document) context :
|
|
context.getOwnerDocument();
|
|
DocumentFragment fragment = doc.createDocumentFragment();
|
|
content.apply(stylesheet, mode,
|
|
context, pos, len,
|
|
fragment, null);
|
|
return Collections.singleton(fragment);
|
|
}
|
|
}
|
|
|
|
WithParam clone(Stylesheet stylesheet)
|
|
{
|
|
if (content == null)
|
|
{
|
|
return new WithParam(name,
|
|
select.clone(stylesheet));
|
|
}
|
|
else
|
|
{
|
|
return new WithParam(name,
|
|
content.clone(stylesheet));
|
|
}
|
|
}
|
|
|
|
boolean references(QName var)
|
|
{
|
|
if (select != null && select.references(var))
|
|
{
|
|
return true;
|
|
}
|
|
if (content != null && content.references(var))
|
|
{
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|