private static int MeasureString(MemberAttributeInfo attributes)
{
if (attributes?.VariableLengthAttribute != null)
{
throw new InvalidOperationException("Variable size attributes are not supported for static measurement");
}
if (attributes?.FixedLengthAttribute == null)
{
throw new InvalidOperationException("Strings without set length are not supported for static measurement");
}
var strEnc = attributes.FixedLengthAttribute.StringEncoding;
int charSize;
switch (strEnc)
{
case StringEncoding.ASCII:
charSize = 1;
break;
case StringEncoding.UTF32:
charSize = 4;
break;
default:
throw new InvalidOperationException("Variable width encodings are not supported for static measurement");
}
var length = attributes.FixedLengthAttribute.Length;
return(length * charSize);
}
private static int MeasureString(MemberAttributeInfo attributes)
{
if (attributes?.VariableLengthAttribute != null)
{
throw new InvalidOperationException("Variable size attributes are not supported for static measurement");
}
if (attributes?.FixedLengthAttribute == null)
{
throw new InvalidOperationException("Strings without set length are not supported for static measurement");
}
return(attributes.FixedLengthAttribute.Length);
}
private static int MeasureList(Type type, MemberAttributeInfo attributes)
{
if (attributes?.VariableLengthAttribute != null)
{
throw new InvalidOperationException("Variable size attributes are not supported for static measurement");
}
if (attributes?.FixedLengthAttribute == null)
{
throw new InvalidOperationException("Strings without set length are not supported for static measurement");
}
Type ElementType = type.IsArray ? type.GetElementType() : type.GetGenericArguments()[0];
return(attributes?.FixedLengthAttribute.Length ?? 0 * MeasureType(ElementType));
}