BTDB.StreamLayer.AbstractBufferedWriter.WriteString C# (CSharp) Méthode

        public unsafe void WriteString(string value)
        {
            if (value == null)
            {
                WriteByteZero();
                return;
            }
            var l = value.Length;
            if (l == 0)
            {
                WriteUInt8(1);
                return;
            }
            var buf = Buf;
            var pos = Pos;
            var end = End;
            fixed (char* strPtrStart = value)
            {
                var strPtr = strPtrStart;
                var strPtrEnd = strPtrStart + l;
                var toEncode = (uint)(l + 1);
                doEncode:
                var toEncodeLen = PackUnpack.LengthVUInt(toEncode);
                if (pos + toEncodeLen <= end)
                {
                    PackUnpack.PackVUInt(buf, ref pos, toEncode);
                }
                else
                {
                    Pos = pos;
                    WriteVUInt32(toEncode);
                    buf = Buf;
                    pos = Pos;
                    end = End;
                }
                while (strPtr != strPtrEnd)
                {
                    var c = *strPtr++;
                    if (c < 0x80)
                    {
                        if (pos >= end)
                        {
                            Pos = pos;
                            FlushBuffer();
                            buf = Buf;
                            pos = Pos;
                            end = End;
                        }
                        buf[pos++] = (byte)c;
                    }
                    else
                    {
                        if (char.IsHighSurrogate(c) && strPtr != strPtrEnd)
                        {
                            var c2 = *strPtr;
                            if (char.IsLowSurrogate(c2))
                            {
                                toEncode = (uint)((c - 0xD800) * 0x400 + (c2 - 0xDC00) + 0x10000);
                                strPtr++;
                                goto doEncode;
                            }
                        }
                        toEncode = c;
                        goto doEncode;
                    }
                }
                Pos = pos;
            }
        }

 public void Store(AbstractBufferedWriter writer)
 {
     writer.WriteString(_name);
     writer.WriteString(_ifaceName);
     if (_resultFieldHandler != null)
     {
         writer.WriteString(_resultFieldHandler.Name);
         writer.WriteByteArray(_resultFieldHandler.Configuration);
     }
     else
     {
         writer.WriteString(null);
     }
     writer.WriteVUInt32((uint)_parameters.Length);
     foreach (var parameter in _parameters)
     {
         parameter.Store(writer);
     }
 }