/// <summary>
/// Read the value for an unknown key as bytes.
/// Used to preserve unknown keys during deserialization.
/// Requires the message option preserveunknown=true.
/// </summary>
public static byte[] ReadValueBytes(CitoStream stream, Key key)
{
byte[] b;
int offset = 0;
switch (key.GetWireType())
{
case Wire.Fixed32:
b = new byte[4];
while (offset < 4)
{
offset += stream.Read(b, offset, 4 - offset);
}
return(b);
case Wire.Fixed64:
b = new byte[8];
while (offset < 8)
{
offset += stream.Read(b, offset, 8 - offset);
}
return(b);
case Wire.LengthDelimited:
//Read and include length in value buffer
int length = ProtocolParser.ReadUInt32(stream);
CitoMemoryStream ms = new CitoMemoryStream();
{
//TODO: pass b directly to MemoryStream constructor or skip usage of it completely
ProtocolParser.WriteUInt32(ms, length);
b = new byte[length + ms.Length()];
byte[] arr = ms.ToArray();
for (int i = 0; i < ProtoPlatform.ArrayLength(arr); i++)
{
b[i] = arr[i];
}
offset = ms.Length();
}
//Read data into buffer
while (offset < ProtoPlatform.ArrayLength(b))
{
offset += stream.Read(b, offset, ProtoPlatform.ArrayLength(b) - offset);
}
return(b);
case Wire.Varint:
return(ProtocolParser.ReadVarIntBytes(stream));
default:
#if !CITO
throw new NotImplementedException("Unknown wire type: " + key.GetWireType());
#else
return(null);
#endif
}
}
/// <summary>
/// Reads a length delimited byte array
/// </summary>
public static byte[] ReadBytes(CitoStream stream)
{
//VarInt length
int length = ReadUInt32(stream);
//Bytes
byte[] buffer = new byte[length];
int read = 0;
while (read < length)
{
int r = stream.Read(buffer, read, length - read);
if (r == 0)
#if !CITO
{ throw new InvalidDataException("Expected " + (length - read) + " got " + read); }
#else
{ return(null); }
#endif
read += r;
}
return(buffer);
}
/// <summary>
/// Read the value for an unknown key as bytes.
/// Used to preserve unknown keys during deserialization.
/// Requires the message option preserveunknown=true.
/// </summary>
public static byte[] ReadValueBytes(CitoStream stream, Key key)
{
byte[] b;
int offset = 0;
switch (key.GetWireType())
{
case Wire.Fixed32:
b = new byte[4];
while (offset < 4)
offset += stream.Read(b, offset, 4 - offset);
return b;
case Wire.Fixed64:
b = new byte[8];
while (offset < 8)
offset += stream.Read(b, offset, 8 - offset);
return b;
case Wire.LengthDelimited:
//Read and include length in value buffer
int length = ProtocolParser.ReadUInt32(stream);
CitoMemoryStream ms = new CitoMemoryStream();
{
//TODO: pass b directly to MemoryStream constructor or skip usage of it completely
ProtocolParser.WriteUInt32(ms, length);
b = new byte[length + ms.Length()];
byte[] arr = ms.ToArray();
for (int i = 0; i < ProtoPlatform.ArrayLength(arr); i++)
{
b[i] = arr[i];
}
offset = ms.Length();
}
//Read data into buffer
while (offset < ProtoPlatform.ArrayLength(b))
offset += stream.Read(b, offset, ProtoPlatform.ArrayLength(b) - offset);
return b;
case Wire.Varint:
return ProtocolParser.ReadVarIntBytes(stream);
default:
#if !CITO
throw new NotImplementedException("Unknown wire type: " + key.GetWireType());
#else
return null;
#endif
}
}
/// <summary>
/// Reads a length delimited byte array
/// </summary>
public static byte[] ReadBytes(CitoStream stream)
{
//VarInt length
int length = ReadUInt32(stream);
//Bytes
byte[] buffer = new byte[length];
int read = 0;
while (read < length)
{
int r = stream.Read(buffer, read, length - read);
if (r == 0)
#if !CITO
throw new InvalidDataException("Expected " + (length - read) + " got " + read);
#else
return null;
#endif
read += r;
}
return buffer;
}