/// <summary>
/// Creates a new instance of the resolver ready to start evaluating leaf matches to the given <paramref name="elevationPathway"/> in <see cref="DicomDataset"/>s with
/// the provided (optional) <paramref name="conditional"/>
/// </summary>
public TagElevator(string elevationPathway, string conditional, string conditionalShouldMatch) : this(elevationPathway)
{
if (conditional == null)
{
if (conditionalShouldMatch == null)
{
return;
}
else
{
throw new ArgumentNullException("conditionalShouldMatch");
}
}
if (conditional.Contains("[]"))
{
if (!conditional.Equals("[]"))
{
throw new InvalidTagElevatorPathException("Array operator conditional is only valid in isolation (i.e. '[]'), it cannot be part of a pathway (e.g. '" + conditional + "')");
}
_conditionalMatchesArrayElementsOfMultiplicity = true;
_conditionalMatchesArrayElementsOfMultiplicityPattern = conditionalShouldMatch;
}
else
{
_conditional = new TagRelativeConditional(conditional, conditionalShouldMatch);
}
}
/// <summary>
/// Returns tag (which must be non Sequence tags) value contained in the current sequence (<see cref="SequenceElement"/>). Optionally only match those that pass the conditional
/// </summary>
/// <param name="sequenceElement"></param>
/// <param name="conditional"></param>
/// <returns></returns>
public object GetTags(SequenceElement sequenceElement, TagRelativeConditional conditional)
{
if (sequenceElement.Dataset.ContainsKey(_tag))
{
if (conditional == null || conditional.IsMatch(sequenceElement, _tag))
{
return(sequenceElement.Dataset[_tag]);
}
}
return(null);
}
