/*!
* 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.content;
import java.util.ArrayList;
import org.pentaho.reporting.libraries.css.keys.content.ContentValues;
import org.pentaho.reporting.libraries.css.keys.list.ListStyleTypeGlyphs;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.parser.CSSValueFactory;
import org.pentaho.reporting.libraries.css.parser.stylehandler.OneOfConstantsReadHandler;
import org.pentaho.reporting.libraries.css.values.CSSAttrFunction;
import org.pentaho.reporting.libraries.css.values.CSSFunctionValue;
import org.pentaho.reporting.libraries.css.values.CSSStringType;
import org.pentaho.reporting.libraries.css.values.CSSStringValue;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.values.CSSValueList;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 01.12.2005, 18:06:38
*
* @author Thomas Morgner
*/
public class ContentReadHandler extends OneOfConstantsReadHandler
{
public ContentReadHandler()
{
super(false);
addValue(ContentValues.CLOSE_QUOTE);
addValue(ContentValues.CONTENTS);
addValue(ContentValues.DOCUMENT_URL);
addValue(ContentValues.ENDNOTE);
addValue(ContentValues.FOOTNOTE);
addValue(ContentValues.LISTITEM);
addValue(ContentValues.NO_CLOSE_QUOTE);
addValue(ContentValues.NO_OPEN_QUOTE);
addValue(ContentValues.OPEN_QUOTE);
addValue(ContentValues.SECTIONNOTE);
addValue(ListStyleTypeGlyphs.BOX);
addValue(ListStyleTypeGlyphs.CHECK);
addValue(ListStyleTypeGlyphs.CIRCLE);
addValue(ListStyleTypeGlyphs.DIAMOND);
addValue(ListStyleTypeGlyphs.DISC);
addValue(ListStyleTypeGlyphs.HYPHEN);
addValue(ListStyleTypeGlyphs.SQUARE);
}
public CSSValue createValue(StyleKey name, LexicalUnit value)
{
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
final String text = value.getStringValue();
if (ContentValues.NONE.getCSSText().equals(text))
{
return ContentValues.NONE;
}
if (ContentValues.INHIBIT.getCSSText().equals(text))
{
return ContentValues.INHIBIT;
}
if (ContentValues.NORMAL.getCSSText().equals(text))
{
return ContentValues.NORMAL;
}
}
final ArrayList contents = new ArrayList();
final ArrayList contentList = new ArrayList();
while (value != null)
{
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
CSSValue o = lookupValue(value);
if (o == null)
{
// parse error ...
return null;
}
contentList.add(o);
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_STRING_VALUE)
{
contentList.add(new CSSStringValue(CSSStringType.STRING, value.getStringValue()));
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_URI)
{
final CSSStringValue uriValue = CSSValueFactory.createUriValue(value);
if (uriValue == null)
{
return null;
}
contentList.add(uriValue);
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_FUNCTION ||
value.getLexicalUnitType() == LexicalUnit.SAC_COUNTER_FUNCTION ||
value.getLexicalUnitType() == LexicalUnit.SAC_COUNTERS_FUNCTION)
{
final CSSFunctionValue functionValue =
CSSValueFactory.parseFunction(value);
if (functionValue == null)
{
return null;
}
contentList.add(functionValue);
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_ATTR)
{
final CSSAttrFunction attrFn = CSSValueFactory.parseAttrFunction(value);
if (attrFn == null)
{
return null;
}
contentList.add(attrFn);
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_OPERATOR_COMMA)
{
final CSSValue[] values =
(CSSValue[]) contentList.toArray(
new CSSValue[contentList.size()]);
contents.add(new CSSValueList(values));
contentList.clear();
}
value = value.getNextLexicalUnit();
}
final CSSValue[] values =
(CSSValue[]) contentList.toArray(new CSSValue[contentList.size()]);
contents.add(new CSSValueList(values));
return new CSSValueList(contents);
}
}