public IProductionRuleCaptureStructure Union(IProductionRuleCaptureStructure second)
{
if (this.Count == 0)
{
return(second);
}
else if (second.Count == 0)
{
return(this);
}
var result = new ProductionRuleCaptureStructure(this.owner);
var left = this.Keys.Except(second.Keys).ToArray();
var middle = this.Keys.Intersect(second.Keys).ToArray();
var right = second.Keys.Except(this.Keys).ToArray();
foreach (var element in left)
{
result._Add(element, this[element]);
}
foreach (var element in middle)
{
var leftElement = this[element];
var rightElement = second[element];
var middleElement = leftElement.Union(rightElement);
result._Add(element, middleElement);
}
foreach (var element in right)
{
result._Add(element, second[element]);
}
if (this.ResultType == second.ResultType)
{
result.ResultType = this.ResultType;
}
else
{
result.ResultType = ResultedDataType.ComplexType;
}
result.ResultedTypeName = this.ResultedTypeName ?? second.ResultedTypeName;
((ControlledCollection <IProductionRuleSource>)(result.Sources)).AddRange(this.Sources.ToArray());
((ControlledCollection <IProductionRuleSource>)(result.Sources)).AddRange(second.Sources.ToArray());
result.Optional = this.Optional || second.Optional;
return(result);
}
public IProductionRuleCaptureStructure Concat(IProductionRuleCaptureStructuralItem item)
{
var k = (from s in item.Sources
let sN = s as INamedProductionRuleSource
where sN != null && !string.IsNullOrEmpty(sN.Name)
select sN).FirstOrDefault();
if (item.ResultType == ResultedDataType.PassThrough)
{
return(this.Union((IProductionRuleCaptureStructure)item));
}
else if (k == null)
{
return(this);
}
var result = new ProductionRuleCaptureStructure(this.owner);
int?offsetIndex = null;
foreach (var element in this)
{
if (k.Name == element.Value.Name)
{
if (item.ResultType != ResultedDataType.FlagEnumerationItem)
{
if (element.Value.BucketIndex == null)
{
element.Value.BucketIndex = offsetIndex = 1;
}
else
{
offsetIndex = element.Value.BucketIndex;
}
result._Add(element.Value.BucketName, element.Value);
}
else
{
result._Add(element.Key, element.Value.Union(item));
}
}
else
{
result._Add(element.Key, element.Value);
}
}
if (!result.ContainsKey(k.Name))
{
if (offsetIndex == null)
{
result._Add(k.Name, item);
}
else
{
item.BucketIndex = offsetIndex + 1;
result._Add(item.BucketName, item);
}
}
var first = this.Values.FirstOrDefault();
if (this.Count > 0 && first != null && (first.ResultType == ResultedDataType.FlagEnumerationItem || first.ResultType == ResultedDataType.EnumerationItem))
{
if (first.ResultType == ResultedDataType.EnumerationItem)
{
first.ResultType = ResultedDataType.FlagEnumerationItem;
}
if (item.ResultType == ResultedDataType.EnumerationItem)
{
item.ResultType = ResultedDataType.FlagEnumerationItem;
}
}
ResultedDataType resultDataType = ResultedDataType.Enumeration;
foreach (var value in result.Values)
{
if (resultDataType == ResultedDataType.Enumeration &&
!(value.ResultType == ResultedDataType.EnumerationItem ||
value.ResultType == ResultedDataType.FlagEnumerationItem))
{
resultDataType = ResultedDataType.ComplexType;
}
}
result.ResultedTypeName = this.ResultedTypeName;
result.ResultType = resultDataType;
return(result);
}