SelectRule(Identifier type, int number, bool optional, ItemFilter filter, RuleElement element)
: base(element)
{
this.filter = filter;
this.type = type;
this.number = number;
this.optional = optional;
}
public static SelectRule New(RuleElement ruleElement, XElement element)
{
// Attributes:
// requires
// spellbook
// existing
// default
// grant
XAttribute attribute;
Identifier type = Identifier.Get(element.Attribute(XNames.Type).Value);
int number = 1;
attribute = element.Attribute(XNames.Number);
if (attribute != null) { number = Int32.Parse(attribute.Value); }
string name = null;
attribute = element.Attribute(XNames.Name);
if (attribute != null) { name = attribute.Value; }
bool optional = false;
attribute = element.Attribute(XNames.Optional);
if (attribute != null) { optional = true; }
ItemFilter filter = null;
attribute = element.Attribute(XNames.Category);
if (attribute != null) { filter = ParseCategory(attribute.Value); }
// Make the name pretty for grouping and tracking purposes.
if (String.IsNullOrEmpty(name))
{
if (ruleElement.Type == Identifier.Level)
{
name = "Level " + ruleElement.Name.ToString(); // "Level 1"
}
else
{
name = ruleElement.Name.ToString(); // "Heir of Siberys (level 26)"
}
}
return new SelectRule(type, number, name, optional, filter, ruleElement);
}
public OrFilter(ItemFilter left, ItemFilter right)
{
this.left = left;
this.right = right;
}
public AndFilter(ItemFilter[] filters)
{
this.filters = filters;
}
static ItemFilter ParseCategory(string category)
{
string[] filters = category.Split(',');
var itemFilters = new ItemFilter[filters.Length];
for (int i = 0; i < filters.Length; i++)
{
string[] orParts = filters[i].Split('|');
ItemFilter orFilter = null;
for (int j = 0; j < orParts.Length; j++)
{
ItemFilter filter;
if (orParts[j].StartsWith("$$"))
{
filter = ParseSpecialCategory(orParts[j]);
}
else if (orParts[j].StartsWith("!"))
{
filter = new NotFilter(Identifier.Get(orParts[j].Substring(1)));
}
else
{
filter = new CategoryFilter(Identifier.Get(orParts[j]));
}
if (orFilter == null)
{
orFilter = filter;
}
else
{
orFilter = new OrFilter(orFilter, filter);
}
}
itemFilters[i] = orFilter;
}
if (itemFilters.Length == 1)
{
return itemFilters[0];
}
else
{
return new AndFilter(itemFilters);
}
}
public static SelectRule New(RuleElement ruleElement, XElement element)
{
// Attributes:
// name
// Level
// requires
// spellbook
// existing
// default
// grant
XAttribute attribute;
Identifier type = Identifier.Get(element.Attribute(XNames.Type).Value);
int number = 1;
attribute = element.Attribute(XNames.Number);
if (attribute != null) { number = Int32.Parse(attribute.Value); }
ItemFilter filter = null;
attribute = element.Attribute(XNames.Category);
if (attribute != null) { filter = ParseCategory(attribute.Value); }
bool optional = false;
attribute = element.Attribute(XNames.Optional);
if (attribute != null) { optional = true; }
return new SelectRule(type, number, optional, filter, ruleElement);
}
