public static SubItemToken StartSubItem(ProtoReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
WireType wireType = reader.wireType;
if (wireType != WireType.String)
{
if (wireType != WireType.StartGroup)
{
throw reader.CreateWireTypeException();
}
reader.wireType = WireType.None;
reader.depth++;
return(new SubItemToken(-reader.fieldNumber));
}
else
{
int num = (int)reader.ReadUInt32Variant(false);
if (num < 0)
{
throw ProtoReader.AddErrorData(new InvalidOperationException(), reader);
}
int value = reader.blockEnd;
reader.blockEnd = reader.position + num;
reader.depth++;
return(new SubItemToken(value));
}
}
internal static object ReadTypedObject(object value, int key, ProtoReader reader, Type type)
{
if (reader.model == null)
{
throw ProtoReader.AddErrorData(new InvalidOperationException("Cannot deserialize sub-objects unless a model is provided"), reader);
}
SubItemToken token = ProtoReader.StartSubItem(reader);
if (key >= 0)
{
value = reader.model.Deserialize(key, value, reader);
}
else if (type == null || !reader.model.TryDeserializeAuxiliaryType(reader, DataFormat.Default, 1, type, ref value, true, false, true, false))
{
TypeModel.ThrowUnexpectedType(type);
}
ProtoReader.EndSubItem(token, reader);
return(value);
}
public float ReadSingle()
{
WireType wireType = this.wireType;
if (wireType != WireType.Fixed64)
{
if (wireType != WireType.Fixed32)
{
throw this.CreateWireTypeException();
}
int num = this.ReadInt32();
return(BitConverter.ToSingle(BitConverter.GetBytes(num), 0));
}
else
{
double num2 = this.ReadDouble();
float num3 = (float)num2;
if (Helpers.IsInfinity(num3) && !Helpers.IsInfinity(num2))
{
throw ProtoReader.AddErrorData(new OverflowException(), this);
}
return(num3);
}
}
public static void EndSubItem(SubItemToken token, ProtoReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
int value = token.value;
WireType wireType = reader.wireType;
if (wireType != WireType.EndGroup)
{
if (value < reader.position)
{
throw reader.CreateException("Sub-message not read entirely");
}
if (reader.blockEnd != reader.position && reader.blockEnd != 2147483647)
{
throw reader.CreateException("Sub-message not read correctly");
}
reader.blockEnd = value;
reader.depth--;
}
else
{
if (value >= 0)
{
throw ProtoReader.AddErrorData(new ArgumentException("token"), reader);
}
if (-value != reader.fieldNumber)
{
throw reader.CreateException("Wrong group was ended");
}
reader.wireType = WireType.None;
reader.depth--;
}
}
private Exception CreateException(string message)
{
return(ProtoReader.AddErrorData(new ProtoException(message), this));
}
public void ThrowEnumException(Type type, int value)
{
string text = (type != null) ? type.get_FullName() : "<null>";
throw ProtoReader.AddErrorData(new ProtoException("No " + text + " enum is mapped to the wire-value " + value.ToString()), this);
}
private int TryReadUInt64VariantWithoutMoving(out ulong value)
{
if (this.available < 10)
{
this.Ensure(10, false);
}
if (this.available == 0)
{
value = 0uL;
return(0);
}
int num = this.ioIndex;
value = (ulong)this.ioBuffer[num++];
if ((value & 128uL) == 0uL)
{
return(1);
}
value &= 127uL;
if (this.available == 1)
{
throw ProtoReader.EoF(this);
}
ulong num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 7;
if ((num2 & 128uL) == 0uL)
{
return(2);
}
if (this.available == 2)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 14;
if ((num2 & 128uL) == 0uL)
{
return(3);
}
if (this.available == 3)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 21;
if ((num2 & 128uL) == 0uL)
{
return(4);
}
if (this.available == 4)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 28;
if ((num2 & 128uL) == 0uL)
{
return(5);
}
if (this.available == 5)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 35;
if ((num2 & 128uL) == 0uL)
{
return(6);
}
if (this.available == 6)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 42;
if ((num2 & 128uL) == 0uL)
{
return(7);
}
if (this.available == 7)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 49;
if ((num2 & 128uL) == 0uL)
{
return(8);
}
if (this.available == 8)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num++];
value |= (num2 & 127uL) << 56;
if ((num2 & 128uL) == 0uL)
{
return(9);
}
if (this.available == 9)
{
throw ProtoReader.EoF(this);
}
num2 = (ulong)this.ioBuffer[num];
value |= num2 << 63;
if ((num2 & 18446744073709551614uL) != 0uL)
{
throw ProtoReader.AddErrorData(new OverflowException(), this);
}
return(10);
}
internal int TryReadUInt32VariantWithoutMoving(bool trimNegative, out uint value)
{
if (this.available < 10)
{
this.Ensure(10, false);
}
if (this.available == 0)
{
value = 0u;
return(0);
}
int num = this.ioIndex;
value = (uint)this.ioBuffer[num++];
if ((value & 128u) == 0u)
{
return(1);
}
value &= 127u;
if (this.available == 1)
{
throw ProtoReader.EoF(this);
}
uint num2 = (uint)this.ioBuffer[num++];
value |= (num2 & 127u) << 7;
if ((num2 & 128u) == 0u)
{
return(2);
}
if (this.available == 2)
{
throw ProtoReader.EoF(this);
}
num2 = (uint)this.ioBuffer[num++];
value |= (num2 & 127u) << 14;
if ((num2 & 128u) == 0u)
{
return(3);
}
if (this.available == 3)
{
throw ProtoReader.EoF(this);
}
num2 = (uint)this.ioBuffer[num++];
value |= (num2 & 127u) << 21;
if ((num2 & 128u) == 0u)
{
return(4);
}
if (this.available == 4)
{
throw ProtoReader.EoF(this);
}
num2 = (uint)this.ioBuffer[num];
value |= num2 << 28;
if ((num2 & 240u) == 0u)
{
return(5);
}
if (trimNegative && (num2 & 240u) == 240u && this.available >= 10 && this.ioBuffer[++num] == 255 && this.ioBuffer[++num] == 255 && this.ioBuffer[++num] == 255 && this.ioBuffer[++num] == 255 && this.ioBuffer[num + 1] == 1)
{
return(10);
}
throw ProtoReader.AddErrorData(new OverflowException(), this);
}
private static Exception EoF(ProtoReader source)
{
return(ProtoReader.AddErrorData(new EndOfStreamException(), source));
}