public ElementIndex(ElementIndex?index, BaseSegmentIndex segmentIndex, BaseSpecificElementIndex?fieldIndex = null, BaseSpecificElementIndex?subFieldIndex = null, BaseSpecificElementIndex?componentIndex = null, int?subComponentIndex = null)
{
this.SegmentIndex = segmentIndex;
this.FieldIndex = fieldIndex ?? index?.FieldIndex;
this.SubFieldIndex = subFieldIndex ?? index?.SubFieldIndex;
this.ComponentIndex = componentIndex ?? index?.ComponentIndex;
this.SubComponentIndex = subComponentIndex ?? index?.SubComponentIndex;
}
internal static Result <(BaseSegment?Segment, SegmentCollection SegmentCollection, int index)> TryGetSegmentAndSegmentCollectionAndIndex(Message message, BaseSegmentIndex segmentIndex)
{
var segmentCollections = message.GetSegmentCollections();
if (segmentIndex is BaseSegmentNamedIndex bsni)
{
if (!FindSegmentCollection(segmentCollections, bsni).DecomposeResult(out var segCollectionResults, out string?error))
{
return(ErrorReturn <(BaseSegment?, SegmentCollection, int)>(error ?? "Unknown error finding segment collection"));
}
if (bsni is SegmentNamedIndex sni)
{
return(new Result <(BaseSegment?, SegmentCollection, int)>((segCollectionResults.collection.Segments?.FirstOrDefault(), segCollectionResults.collection, segCollectionResults.index)));
}
if (bsni is SegmentNameAndOrdinalIndex sii && sii.SegmentOrdinal.HasValue)
{
return(new Result <(BaseSegment?, SegmentCollection, int)>((segCollectionResults.collection.Segments?.ElementAtOrDefault(sii.SegmentOrdinal.Value - 1), segCollectionResults.collection, segCollectionResults.index)));
}
else if (bsni is SegmentNameAndIdIndex ssi && !string.IsNullOrWhiteSpace(ssi.SegmentId))
{
return(new Result <(BaseSegment?, SegmentCollection, int)>((segCollectionResults.collection.Segments?.FirstOrDefault(s => s.Id == ssi.SegmentId), segCollectionResults.collection, segCollectionResults.index)));
}
return(ErrorReturn <(BaseSegment?, SegmentCollection, int)>($"Did not find specified segment {segmentIndex}"));
}
public ElementIndex(BaseSegmentIndex segmentIndex, BaseSpecificElementIndex?fieldIndex = null, BaseSpecificElementIndex?subFieldIndex = null, BaseSpecificElementIndex?componentIndex = null, int?subComponentIndex = null)
: this(null, segmentIndex, fieldIndex, subFieldIndex, componentIndex, subComponentIndex)
{
}