/// <summary>
/// Gets the max size of the vector itself, not the uoffset_t as part of the containing table.
/// </summary>
private void ImplementVectorGetMaxSizeMethod(VectorTypeModel vectorModel)
{
var itemModel = vectorModel.ItemTypeModel;
string body;
// count of items + padding(uoffset_t);
int fixedSize = sizeof(uint) + SerializationHelpers.GetMaxPadding(sizeof(uint));
string lengthProperty = $"item.{vectorModel.LengthPropertyName}";
// Constant size items. We can reduce these reasonably well.
if (itemModel.IsFixedSize)
{
body = $"return {fixedSize} + {SerializationHelpers.GetMaxPadding(itemModel.Alignment)} + ({vectorModel.PaddedMemberInlineSize} * {lengthProperty});";
}
else if (itemModel.SchemaType == FlatBufferSchemaType.Table || itemModel.SchemaType == FlatBufferSchemaType.String)
{
Debug.Assert(itemModel.Alignment == sizeof(uint));
Debug.Assert(itemModel.InlineSize == sizeof(uint));
body =
$@"
int length = {lengthProperty};
int runningSum = {fixedSize} + {SerializationHelpers.GetMaxPadding(itemModel.Alignment)} + ({vectorModel.PaddedMemberInlineSize} * length);
for (int i = 0; i < length; ++i)
{{
var itemTemp = item[i];
{CSharpHelpers.GetNonNullCheckInvocation(itemModel, "itemTemp")};
runningSum += {this.InvokeGetMaxSizeMethod(itemModel, "itemTemp")};
}}
return runningSum;";
}
else
{
throw new NotImplementedException("Vector.GetMaxSize is not implemented for schema type of " + itemModel.SchemaType);
}
this.GenerateGetMaxSizeMethod(vectorModel.ClrType, body);
}