/*
* Copyright (c) 2008 Tom Parker <thpr@users.sourceforge.net>
*
* This program 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 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.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package plugin.lsttokens.pcclass.level;
import pcgen.base.formula.Formula;
import pcgen.base.lang.StringUtil;
import pcgen.base.text.ParsingSeparator;
import pcgen.cdom.base.Constants;
import pcgen.cdom.base.FormulaFactory;
import pcgen.cdom.enumeration.ListKey;
import pcgen.cdom.inst.PCClassLevel;
import pcgen.rules.context.Changes;
import pcgen.rules.context.LoadContext;
import pcgen.rules.persistence.token.AbstractTokenWithSeparator;
import pcgen.rules.persistence.token.CDOMPrimaryToken;
import pcgen.rules.persistence.token.ParseResult;
/**
* Class deals with CAST Token
*/
public class CastToken extends AbstractTokenWithSeparator<PCClassLevel> implements
CDOMPrimaryToken<PCClassLevel>
{
@Override
public String getTokenName()
{
return "CAST";
}
@Override
protected char separator()
{
return ',';
}
@Override
protected ParseResult parseTokenWithSeparator(LoadContext context,
PCClassLevel level, String value)
{
context.getObjectContext().removeList(level, ListKey.CAST);
ParsingSeparator sep = new ParsingSeparator(value, ',');
sep.addGroupingPair('(', ')');
while (sep.hasNext())
{
String tok = sep.next();
try
{
if (Integer.parseInt(tok) < 0)
{
return new ParseResult.Fail("Invalid Spell Count: " + tok
+ " is less than zero", context);
}
}
catch (NumberFormatException e)
{
// OK, it must be a formula...
}
Formula formula = FormulaFactory.getFormulaFor(tok);
if (!formula.isValid())
{
return new ParseResult.Fail("Formula in " + getTokenName()
+ " was not valid: " + formula.toString(), context);
}
context.getObjectContext().addToList(level, ListKey.CAST, formula);
}
return ParseResult.SUCCESS;
}
@Override
public String[] unparse(LoadContext context, PCClassLevel level)
{
Changes<Formula> changes = context.getObjectContext()
.getListChanges(level, ListKey.CAST);
if (changes == null || changes.isEmpty())
{
return null;
}
return new String[] { StringUtil.join(changes.getAdded(),
Constants.COMMA) };
}
@Override
public Class<PCClassLevel> getTokenClass()
{
return PCClassLevel.class;
}
}