/// <summary>
/// Read a byte array.
/// </summary>
/// <param name="context">
/// The context.
/// </param>
/// <param name="reader">
/// The reader.
/// </param>
/// <param name="output">
/// The output.
/// </param>
/// <remarks>
/// Type declaration:
/// <c>
/// U29B-value = U29 (The first (low) bit is a flag with value 1.
/// The remaining 1 to 28 significant bits are used to encode the
/// byte-length of the ByteArray).
/// bytearray-type = bytearray-marker (U29O-ref | U29B-value *(U8))
/// </c>
/// </remarks>
private static void ReadByteArray(AmfContext context, AmfStreamReader reader, XmlWriter output = null)
{
int index, reference;
if (ReadReference(context, reader, out index, out reference))
{
if (output != null)
{
WriteReference(index, output);
}
return;
}
context.References.Track();
// Get array length
int length = reference >> 1;
byte[] data = length == 0 ? new byte[] { } : reader.ReadBytes(length);
string value = Convert.ToBase64String(data);
if (output != null)
{
output.WriteStartElement(AmfxContent.ByteArray);
output.WriteValue(value);
output.WriteEndElement();
}
}
/// <summary>
/// Read a specified number of bytes of a string.
/// </summary>
/// <param name="reader">
/// AMF reader.
/// </param>
/// <param name="length">
/// Number of bytes to read.
/// </param>
/// <returns>
/// The <see cref="string"/>.
/// </returns>
private static string ReadUtf8(AmfStreamReader reader, uint length)
{
// Make sure that a null is never returned
if (length == 0)
{
return(string.Empty);
}
byte[] data = reader.ReadBytes((int)length);
// All strings are encoded in UTF-8)
return(Encoding.UTF8.GetString(data));
}
/// <summary>
/// Read a specified number of bytes of a string.
/// </summary>
/// <param name="reader">
/// AMF reader.
/// </param>
/// <param name="length">
/// Number of bytes to read.
/// </param>
/// <returns>
/// The <see cref="string"/>.
/// </returns>
private static string ReadUtf8(AmfStreamReader reader, int length)
{
if (length < 0)
{
throw new ArgumentException(Errors.Amf3Deserializer_ReadString_NegativeLength, "length");
}
// Make sure that a null is never returned
if (length == 0)
{
return(string.Empty);
}
byte[] data = reader.ReadBytes(length);
// All strings are encoded in UTF-8
return(Encoding.UTF8.GetString(data));
}