/// <summary>
/// Decodes the internal.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="strictDecoding">if set to <c>true</c> [strict decoding].</param>
/// <exception cref="TorrentClient.BEncoding.BEncodingException">
/// Invalid data found. Aborting
/// or
/// or
/// Invalid data found. Aborting
/// </exception>
private void DecodeInternal(RawReader reader, bool strictDecoding)
{
reader.CannotBeNull();
BEncodedString key = null;
BEncodedValue value = null;
BEncodedString oldkey = null;
if (reader.ReadByte() != 'd')
{
throw new BEncodingException("Invalid data found. Aborting"); // Remove the leading 'd'
}
while (reader.PeekByte() != -1 &&
reader.PeekByte() != 'e')
{
key = (BEncodedString)BEncodedValue.Decode(reader); // keys have to be BEncoded strings
if (oldkey != null &&
oldkey.CompareTo(key) > 0)
{
if (strictDecoding)
{
throw new BEncodingException($"Illegal BEncodedDictionary. The attributes are not ordered correctly. Old key: {oldkey}, New key: {key}");
}
}
oldkey = key;
value = BEncodedValue.Decode(reader); // the value is a BEncoded value
this.dictionary.Add(key, value);
}
if (reader.ReadByte() != 'e')
{
throw new BEncodingException("Invalid data found. Aborting");
}
}
/// <summary> /// Decodes the stream into respected value. /// </summary> /// <param name="reader">The reader.</param> internal abstract void DecodeInternal(RawReader reader);
/// <summary>
/// Decodes the specified reader.
/// </summary>
/// <typeparam name="T">The BEncoded value type.</typeparam>
/// <param name="reader">The reader.</param>
/// <returns>
/// The BEncoded value.
/// </returns>
public static T Decode <T>(RawReader reader) where T : BEncodedValue
{
reader.CannotBeNull();
return((T)BEncodedValue.Decode(reader));
}
/// <summary>
/// Decodes the internal.
/// </summary>
/// <param name="reader">The reader.</param>
internal override void DecodeInternal(RawReader reader)
{
reader.CannotBeNull();
this.DecodeInternal(reader, reader.StrictDecoding);
}
