/*!
* 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.libraries.css.parser.stylehandler.line;
import java.util.HashMap;
import java.util.Map;
import org.pentaho.reporting.libraries.css.keys.line.LineStyleKeys;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.parser.CSSCompoundValueReadHandler;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 28.11.2005, 18:06:12
*
* @author Thomas Morgner
*/
public class LineStackingReadHandler implements CSSCompoundValueReadHandler
{
private LineStackingRubyReadHandler rubyReadHandler;
private LineStackingShiftReadHandler shiftReadHandler;
private LineStackingStrategyReadHandler strategyReadHandler;
public LineStackingReadHandler()
{
rubyReadHandler = new LineStackingRubyReadHandler();
shiftReadHandler = new LineStackingShiftReadHandler();
strategyReadHandler = new LineStackingStrategyReadHandler();
}
/**
* Parses the LexicalUnit and returns a map of (StyleKey, CSSValue) pairs.
*
* @param unit
* @return
*/
public Map createValues(LexicalUnit unit)
{
CSSValue rubyValue = rubyReadHandler.createValue(null, unit);
if (rubyValue != null)
{
unit = unit.getNextLexicalUnit();
}
CSSValue shiftValue;
if (unit != null)
{
shiftValue = shiftReadHandler.createValue(null, unit);
if (shiftValue != null)
{
unit = unit.getNextLexicalUnit();
}
}
else
{
shiftValue = null;
}
CSSValue strategy;
if (unit != null)
{
strategy = strategyReadHandler.createValue(null, unit);
}
else
{
strategy = null;
}
final Map map = new HashMap();
if (rubyValue != null)
{
map.put(LineStyleKeys.LINE_STACKING_RUBY, rubyValue);
}
if (shiftValue != null)
{
map.put(LineStyleKeys.LINE_STACKING_SHIFT, shiftValue);
}
if (strategy != null)
{
map.put(LineStyleKeys.LINE_STACKING_STRATEGY, strategy);
}
return map;
}
public StyleKey[] getAffectedKeys()
{
return new StyleKey[]{
LineStyleKeys.LINE_STACKING_RUBY,
LineStyleKeys.LINE_STACKING_SHIFT,
LineStyleKeys.LINE_STACKING_STRATEGY
};
}
}