protected override ICaptureTokenStructuralItem PerformUnion(ICaptureTokenStructuralItem rightElement)
{
if (rightElement is ICaptureTokenCharRangeStructuralItem)
{
var rightRange = (ICaptureTokenCharRangeStructuralItem)rightElement;
var result = new CaptureTokenCharRangeStructuralItem(this.sources.Concat(rightRange.Sources).Distinct());
result.ResultType = this.ResultType;
if (result.ResultType == ResultedDataType.Character && rightElement.ResultType == ResultedDataType.String)
{
result.ResultType = ResultedDataType.String;
}
if (this.GroupOptional || rightElement.GroupOptional)
{
result.GroupOptional = true;
}
//result.Rank = Math.Max(this.Rank, rightElement.Rank);
return(result);
}
else
{
return(new CaptureTokenGeneralStructuralItem(this.sources.Concat(rightElement.Sources)));
}
}
private static ICaptureTokenStructuralItem BuildStructureFor(InlinedTokenEntry entry, ITokenExpressionSeries expressionSeries, ITokenExpression expression, ITokenItem item, IOilexerGrammarFile source)
{
ICaptureTokenStructuralItem result = null;
if (item is ITokenGroupItem)
{
var tokenGroup = ((ITokenGroupItem)(item));
result = BuildStructureFor(entry, tokenGroup, source);
if (result.ResultType == ResultedDataType.None && !string.IsNullOrEmpty(item.Name))
{
if (tokenGroup.Count == 1 && tokenGroup[0].Count == 1)
{
var singleItem = tokenGroup[0][0];
if (singleItem is ILiteralCharTokenItem || singleItem is ILiteralCharReferenceTokenItem)
{
if (singleItem.RepeatOptions == ScannableEntryItemRepeatInfo.None && tokenGroup.RepeatOptions == ScannableEntryItemRepeatInfo.None)
{
result.ResultType = ResultedDataType.Character;
}
else
{
result.ResultType = ResultedDataType.String;
}
}
else
{
result.ResultType = ResultedDataType.String;
}
}
else
{
result.ResultType = ResultedDataType.String;
}
}
bool groupOptional = tokenGroup != null &&
((tokenGroup.RepeatOptions.Options & ScannableEntryItemRepeatOptions.ZeroOrMore) == ScannableEntryItemRepeatOptions.ZeroOrMore ||
(tokenGroup.RepeatOptions.Options & ScannableEntryItemRepeatOptions.ZeroOrOne) == ScannableEntryItemRepeatOptions.ZeroOrOne ||
(((tokenGroup.RepeatOptions.Options & ScannableEntryItemRepeatOptions.Specific) == ScannableEntryItemRepeatOptions.Specific) &&
(!tokenGroup.RepeatOptions.Min.HasValue || tokenGroup.RepeatOptions.Min.Value == 0)));
if (groupOptional)
{
result.GroupOptional = groupOptional;
}
if (item.Name.IsEmptyOrNull())
{
result.ResultType = ResultedDataType.PassThrough;
/*
* if ((item.RepeatOptions.Options & ScannableEntryItemRepeatOptions.ZeroOrMore) == ScannableEntryItemRepeatOptions.ZeroOrMore ||
* (item.RepeatOptions.Options & ScannableEntryItemRepeatOptions.ZeroOrOne) == ScannableEntryItemRepeatOptions.ZeroOrOne ||
* ((item.RepeatOptions.Options & ScannableEntryItemRepeatOptions.Specific) == ScannableEntryItemRepeatOptions.Specific &&
* (!item.RepeatOptions.Min.HasValue || item.RepeatOptions.Min.Value == 0)))
* foreach (var element in ((ICaptureTokenStructure)result).Values)
* element.Optional = true;*/
}
((ControlledCollection <ITokenSource>)(result.Sources)).baseList.Add(item);
}
else if (item is ILiteralTokenItem)
{
result = new CaptureTokenLiteralStructuralItem((ILiteralTokenItem)item);
if (entry.CaptureKind == RegularCaptureType.Transducer)
{
result.ResultType = ResultedDataType.EnumerationItem;
}
else if (entry.CaptureKind == RegularCaptureType.ContextfulTransducer)
{
result.ResultType = ResultedDataType.FlagEnumerationItem;
}
}
else if (item is ICharRangeTokenItem)
{
result = new CaptureTokenCharRangeStructuralItem((ICharRangeTokenItem)item);
if (entry.CaptureKind == RegularCaptureType.Transducer)
{
result.ResultType = ResultedDataType.EnumerationItem;
}
else if (entry.CaptureKind == RegularCaptureType.ContextfulTransducer)
{
result.ResultType = ResultedDataType.FlagEnumerationItem;
}
}
Deform(item, result, expression);
return(result);
}