/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.dom;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.Section;
public class DescendantMatcher implements NodeMatcher
{
private NodeMatcher childMatcher;
public DescendantMatcher(final NodeMatcher childMatcher)
{
this.childMatcher = childMatcher;
}
public boolean matches(final MatcherContext context, final ReportElement node)
{
ReportElement n = node;
while (n != null)
{
final Section parent = context.getParent(n);
if (parent == null)
{
break;
}
if (childMatcher.matches(context, parent))
{
return true;
}
n = parent;
}
return false;
}
public String toString()
{
final StringBuilder b = new StringBuilder();
b.append("Descendant(");
b.append(childMatcher);
b.append(")");
return b.toString();
}
}