private protected int ValidateAndGetLength <TAny>(NpgsqlRange <TAny> value, ref NpgsqlLengthCache?lengthCache, NpgsqlParameter?parameter)
{
var totalLen = 1;
var lengthCachePos = lengthCache?.Position ?? 0;
if (!value.IsEmpty)
{
if (!value.LowerBoundInfinite)
{
totalLen += 4;
if (value.LowerBound is not null)
{
totalLen += _subtypeHandler.ValidateAndGetLength(value.LowerBound, ref lengthCache, null);
}
}
if (!value.UpperBoundInfinite)
{
totalLen += 4;
if (value.UpperBound is not null)
{
totalLen += _subtypeHandler.ValidateAndGetLength(value.UpperBound, ref lengthCache, null);
}
}
}
// If we're traversing an already-populated length cache, rewind to first element slot so that
// the elements' handlers can access their length cache values
if (lengthCache != null && lengthCache.IsPopulated)
{
lengthCache.Position = lengthCachePos;
}
return(totalLen);
}
public override int ValidateAndGetLength(TComposite composite, ref NpgsqlLengthCache?lengthCache)
{
if (_get == null)
{
ThrowHelper.ThrowInvalidOperationException_NoPropertyGetter(typeof(TComposite), MemberInfo);
}
var value = _get(composite);
if (value == null)
{
return(0);
}
return(NullableHandler <TMember> .Exists
? NullableHandler <TMember> .ValidateAndGetLength(_handler, value, ref lengthCache, null)
: _handler.ValidateAndGetLength(value, ref lengthCache, null));
}
