private async Task ReadMessagePropertiesAsync(ProtobufReader reader, T message)
{
var num = 0;
while (reader.State != ProtobufReaderState.EndOfMessage)
{
PropertyReader <T> propertyReader;
if (propertyReaders.TryGetValue(reader.FieldNumber, out propertyReader))
{
try
{
num++;
await propertyReader.Read(reader, message);
}
catch (Exception e)
{
throw new InvalidOperationException("", e);
}
}
else
{
await reader.SkipAsync();
}
}
}
public async Task <OsmHeader> ReadHeader()
{
await reader.BeginReadMessageAsync(length);
var header = new OsmHeader();
while (reader.State == ProtobufReaderState.Field)
{
switch (reader.FieldNumber)
{
case 1:
header.BoundBox = await ParseBoundBoxAsync();
break;
case 4:
header.RequiredFeatures = await reader.ReadStringAsync();
break;
case 5:
header.OptionalFeatures = await reader.ReadStringAsync();
break;
case 16:
header.WritingProgram = await reader.ReadStringAsync();
break;
case 17:
header.Source = await reader.ReadStringAsync();
break;
default:
await reader.SkipAsync();
break;
}
}
await reader.EndReadMessageAsync();
return(header);
}