void ISearchValueVisitor.Visit(StringSearchValue s)
{
EnsureArg.IsNotNull(s, nameof(s));
EnsureOnlyEqualComparatorIsSupported();
if (_modifier == null)
{
// Based on spec http://hl7.org/fhir/STU3/search.html#string,
// is case-insensitive search so we will normalize into lower case for search.
_outputExpression = Expression.StartsWith(FieldName.String, _componentIndex, s.String, true);
}
else if (_modifier == SearchModifierCode.Exact)
{
_outputExpression = Expression.StringEquals(FieldName.String, _componentIndex, s.String, false);
}
else if (_modifier == SearchModifierCode.Contains)
{
// Based on spec http://hl7.org/fhir/STU3/search.html#modifiers,
// contains is case-insensitive search so we will normalize into lower case for search.
_outputExpression = Expression.Contains(FieldName.String, _componentIndex, s.String, true);
}
else
{
ThrowModifierNotSupported();
}
}
