public static bool ReadResult(ProtoReaderContext context)
{
if (context.ReadFieldHeader() == NoneFieldHeader)
{
return(false);
}
if (context.CurrentFieldHeader != ResultFieldHeader)
{
throw new InvalidDataException($"Field header '{ResultFieldHeader}' expected, actual '{context.CurrentFieldHeader}'.");
}
context.StartSubItem();
if (context.ReadFieldHeader() == NoneFieldHeader)
{
// TODO: Clear buffer and reset columns.
context.ReachedEndOfCurrentResult = true;
context.EndSubItem();
return(true);
}
ColumnsReader.ReadColumns(context);
context.ReachedEndOfCurrentResult = false;
return(true);
}
public static void ReadColumns(ProtoReaderContext context)
{
if (context.CurrentFieldHeader != ColumnFieldHeader)
{
throw new InvalidDataException($"Field header '{ColumnFieldHeader}' expected, actual '{context.CurrentFieldHeader}'.");
}
context.Columns = new List <ProtoDataColumn>(ReadColumnsImpl(context));
}
private static IEnumerable <ProtoDataColumn> ReadColumnsImpl(ProtoReaderContext context)
{
do
{
context.StartSubItem();
var name = ReadColumnName(context);
var protoDataType = ReadColumnType(context);
// Backwards compatibility or unnecessary?
while (context.ReadFieldHeader() != NoneFieldHeader)
{
context.Reader.SkipField();
}
context.EndSubItem();
yield return(new ProtoDataColumn(name: name, dataType: TypeHelper.GetType(protoDataType), protoBufDataType: protoDataType));
}while (context.ReadFieldHeader() == ColumnFieldHeader);
}
private static ProtoDataType ReadColumnType(ProtoReaderContext context)
{
context.ReadExpectedFieldHeader(ColumnTypeFieldHeader);
return((ProtoDataType)context.Reader.ReadInt32());
}
private static string ReadColumnName(ProtoReaderContext context)
{
context.ReadExpectedFieldHeader(ColumnNameFieldHeader);
return(context.Reader.ReadString());
}