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/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: StyleRuleMatcher.java 2739 2007-04-02 11:41:22Z taqua $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.layouter.style.resolver;
import org.jfree.layouting.LayoutProcess;
import org.jfree.layouting.input.style.CSSPageRule;
import org.jfree.layouting.input.style.CSSStyleRule;
import org.jfree.layouting.input.style.PseudoPage;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.layouter.model.LayoutElement;
/**
* A (possibly statefull) style matcher. This class is responsible for
* checking which style rule applies to the given document.
*
* It is guaranteed, that the matcher receives the elements in the order
* in which they appear in the document.
*
* Although the style rule matcher does not receive explicit element-opened
* and element-closed events, these events can be derived from the layout element
* and its relation to the parent (and possibly previously received element and
* its parent).
*
* @author Thomas Morgner
*/
public interface StyleRuleMatcher
{
public void initialize (final LayoutProcess layoutProcess);
/**
* Creates an independent copy of this style rule matcher.
*
* @return
*/
public StyleRuleMatcher deriveInstance();
public CSSStyleRule[] getMatchingRules (LayoutElement element);
public boolean isMatchingPseudoElement (LayoutElement element, String pseudo);
public CSSPageRule[] getPageRule (CSSValue pageName, PseudoPage[] pseudoPages);
}
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