/// <summary>
/// Read AMF packet version.
/// </summary>
/// <exception cref="FormatException">Data has unknown format.</exception>
private static AmfVersion ReadPacketVersion(AmfStreamReader reader)
{
try
{
//First two bytes contain message version number
return (AmfVersion)reader.ReadUInt16();
}
catch (Exception e)
{
throw new FormatException(Errors.AmfPacketReader_ReadPacketVersion_VersionReadError, e);
}
}
/// <summary>
/// Read a string.
/// </summary>
/// <remarks>
/// Type declaration:
/// <c>string-type = string-marker UTF-8</c>
/// </remarks>
private static string ReadString(AmfStreamReader reader, XmlWriter output = null)
{
//First 16 bits represents string's (UTF-8) length in bytes
var length = reader.ReadUInt16();
var value = ReadUtf8(reader, length);
if (output != null)
{
output.WriteStartElement(AmfxContent.String);
output.WriteValue(value);
output.WriteEndElement();
}
return value;
}
/// <summary>
/// Read number of following headers/messages.
/// </summary>
private static uint ReadDataCount(AmfStreamReader reader)
{
return reader.ReadUInt16();
}
/// <summary>
/// Read an object reference.
/// </summary>
/// <remarks>
/// Type declaration:
/// <c>reference-type = reference-marker U16</c>
/// </remarks>
private static void ReadReference(AmfContext context, AmfStreamReader reader, XmlWriter output = null)
{
var index = reader.ReadUInt16();
if (context.References.Count <= index)
throw new SerializationException(string.Format(Errors.Amf0Decoder_ReadReference_BadIndex, index));
WriteReference(index, output);
}