/*
* 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;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import java.util.StringTokenizer;
import java.util.TreeSet;
import pcgen.base.lang.StringUtil;
import pcgen.cdom.base.Constants;
import pcgen.cdom.enumeration.ListKey;
import pcgen.core.PCClass;
import pcgen.core.SpellProhibitor;
import pcgen.core.prereq.Prerequisite;
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;
import pcgen.util.Logging;
import pcgen.util.enumeration.ProhibitedSpellType;
/**
* Class deals with PROHIBITSPELL Token
*/
public class ProhibitspellToken extends AbstractTokenWithSeparator<PCClass>
implements CDOMPrimaryToken<PCClass>
{
@Override
public String getTokenName()
{
return "PROHIBITSPELL";
}
@Override
protected char separator()
{
return '|';
}
@Override
protected ParseResult parseTokenWithSeparator(LoadContext context,
PCClass pcc, String value)
{
SpellProhibitor sp = subParse(value);
if (sp == null)
{
return ParseResult.INTERNAL_ERROR;
}
context.getObjectContext().addToList(pcc, ListKey.SPELL_PROHIBITOR, sp);
return ParseResult.SUCCESS;
}
public SpellProhibitor subParse(String value)
{
StringTokenizer tok = new StringTokenizer(value, Constants.PIPE);
String token = tok.nextToken();
int dotLoc = token.indexOf(Constants.DOT);
if (dotLoc == -1)
{
Logging.errorPrint(getTokenName()
+ " has no . separator for arguments: " + value);
return null;
}
String pstString = token.substring(0, dotLoc);
ProhibitedSpellType type;
try
{
type = ProhibitedSpellType.valueOf(pstString);
}
catch (IllegalArgumentException e)
{
Logging
.errorPrint(getTokenName()
+ " encountered an invalid Prohibited Spell Type: "
+ value);
Logging.errorPrint(" Legal values are: "
+ StringUtil.join(Arrays.asList(ProhibitedSpellType
.values()), ", "));
return null;
}
SpellProhibitor spellProb =
typeSafeParse(type, token.substring(dotLoc + 1));
if (spellProb == null)
{
Logging.errorPrint(" entire token value was: " + value);
return null;
}
if (!tok.hasMoreTokens())
{
// No prereqs, so we're done
return spellProb;
}
token = tok.nextToken();
while (true)
{
Prerequisite prereq = getPrerequisite(token);
if (prereq == null)
{
Logging
.errorPrint(" (Did you put more than one limit, or items after the "
+ "PRExxx tags in " + getTokenName() + ":?)");
return null;
}
spellProb.addPrerequisite(prereq);
if (!tok.hasMoreTokens())
{
break;
}
token = tok.nextToken();
}
return spellProb;
}
private SpellProhibitor typeSafeParse(ProhibitedSpellType type, String args)
{
SpellProhibitor spellProb = new SpellProhibitor();
spellProb.setType(type);
if (args.isEmpty())
{
Logging.errorPrint(getTokenName() + " " + type
+ " has no arguments");
return null;
}
String joinChar = getJoinChar(type, new LinkedList<>());
if (args.indexOf(joinChar) == 0)
{
Logging.errorPrint(getTokenName()
+ " arguments may not start with " + joinChar);
return null;
}
if (args.lastIndexOf(joinChar) == args.length() - 1)
{
Logging.errorPrint(getTokenName() + " arguments may not end with "
+ joinChar);
return null;
}
if (args.indexOf(joinChar + joinChar) != -1)
{
Logging
.errorPrint(getTokenName()
+ " arguments uses double separator " + joinChar
+ joinChar);
return null;
}
StringTokenizer elements = new StringTokenizer(args, joinChar);
while (elements.hasMoreTokens())
{
String aValue = elements.nextToken();
if (type.equals(ProhibitedSpellType.ALIGNMENT)
&& (!aValue.equalsIgnoreCase("GOOD"))
&& (!aValue.equalsIgnoreCase("EVIL"))
&& (!aValue.equalsIgnoreCase("LAWFUL"))
&& (!aValue.equalsIgnoreCase("CHAOTIC")))
{
Logging.errorPrint("Illegal PROHIBITSPELL:ALIGNMENT subtag '"
+ aValue + "'");
return null;
}
else
{
spellProb.addValue(aValue);
}
}
return spellProb;
}
@Override
public String[] unparse(LoadContext context, PCClass pcc)
{
Changes<SpellProhibitor> changes = context.getObjectContext()
.getListChanges(pcc, ListKey.SPELL_PROHIBITOR);
Collection<SpellProhibitor> added = changes.getAdded();
if (added == null || added.isEmpty())
{
// Zero indicates no Token present
return null;
}
List<String> list = new ArrayList<>();
for (SpellProhibitor sp : added)
{
StringBuilder sb = new StringBuilder();
ProhibitedSpellType pst = sp.getType();
sb.append(pst.toString().toUpperCase());
sb.append('.');
Collection<String> valueSet = sp.getValueList();
String joinChar = getJoinChar(pst, valueSet);
sb.append(StringUtil.join(new TreeSet<>(valueSet), joinChar));
if (sp.hasPrerequisites())
{
sb.append(Constants.PIPE);
sb.append(getPrerequisiteString(context, sp
.getPrerequisiteList()));
}
list.add(sb.toString());
}
return list.toArray(new String[list.size()]);
}
private <T> String getJoinChar(ProhibitedSpellType pst,
Collection<String> spValues)
{
return pst.getRequiredCount(spValues) == 1 ? Constants.COMMA
: Constants.DOT;
}
@Override
public Class<PCClass> getTokenClass()
{
return PCClass.class;
}
}