Example #1
0
        public void TobyteArrayTest()
        {
            sbyte[] e = new sbyte[] { 55 };
            BigInt  a = new BigInt(55);

            Assert.IsTrue(ByteArrayUtil.AreEqual(a.ToByteArray(), e));
        }
Example #2
0
 public override byte[] ToUtf8ByteArray()
 {
     if (buffer == null)
     {
         return(emptyBytes);
     }
     return(ByteArrayUtil.FastCloneWithResize(buffer, offset));
 }
Example #3
0
 public override void WriteTrue()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 4);
     buffer[offset + 0] = (byte)'t';
     buffer[offset + 1] = (byte)'r';
     buffer[offset + 2] = (byte)'u';
     buffer[offset + 3] = (byte)'e';
     offset            += 4;
 }
Example #4
0
 public override void WriteNull()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 4);
     buffer[offset + 0] = (byte)'n';
     buffer[offset + 1] = (byte)'u';
     buffer[offset + 2] = (byte)'l';
     buffer[offset + 3] = (byte)'l';
     offset            += 4;
 }
 public void AddString(byte[] str)
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, str.Length);
     for (int i = 0; i < str.Length; i++)
     {
         buffer[offset + i] = str[i];
     }
     offset += str.Length;
 }
 public void AddSubstring(byte[] str, int start, int length)
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, length);
     for (int i = 0; i < length; i++)
     {
         buffer[offset + i] = str[start + i];
     }
     offset += length;
 }
 public void AddPadding(byte c, int count)
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, count);
     for (int i = 0; i < count; i++)
     {
         buffer[offset + i] = c;
     }
     offset += count;
 }
Example #8
0
 public override void WriteFalse()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 5);
     buffer[offset + 0] = (byte)'f';
     buffer[offset + 1] = (byte)'a';
     buffer[offset + 2] = (byte)'l';
     buffer[offset + 3] = (byte)'s';
     buffer[offset + 4] = (byte)'e';
     offset            += 5;
 }
Example #9
0
 public bool IsTranscoderEncode(byte[] bytes)
 {
     if (bytes == null || bytes.Length < 2)
     {
         return(false);
     }
     byte[] b = new byte[2];
     Array.Copy(bytes, 0, b, 0, b.Length);
     if (ByteArrayUtil.bytesToShort(b) == MAGIC_NUMBER)
     {
         return(true);
     }
     return(false);
 }
        static int FillFromStream(Stream input, ref byte[] buffer)
        {
            int length = 0;
            int read;

            while ((read = input.Read(buffer, length, buffer.Length - length)) > 0)
            {
                length += read;
                if (length == buffer.Length)
                {
                    ByteArrayUtil.FastResize(ref buffer, length * 2);
                }
            }

            return(length);
        }
Example #11
0
        private int Window(BigInt x, int i, int[] nbs, int[] nzs, int w)
        {
            // TODO Auto-generated method stub
            int j, r;

            nbs[0] = 1;
            nzs[0] = 0;
            sbyte[] xa = x.ToByteArray();

            //check for leading 0 bit
            if (!ByteArrayUtil.GetBitByDegree(i, xa))
            {
                return(0);
            }
            //adjust window if not enough bits left
            if (i - w + 1 < 0)
            {
                w = i + 1;
            }

            r = 1;
            for (j = i - 1; j > i - w; j--)
            {
                nbs[0]++;
                r *= 2;
                if (ByteArrayUtil.GetBitByDegree(j, xa))
                {
                    r += 1;
                }
                if (r % 4 == 0)
                {
                    r      /= 4;
                    nbs[0] -= 2;
                    nzs[0]  = 2;
                    break;
                }
            }

            if (r % 2 == 0)
            {
                r     /= 2;
                nzs[0] = 1;
                nbs[0]--;
            }
            return(r);
        }
Example #12
0
        private Point SimpleMultiply(Point p, BigInt k)
        {
            if (!(this.field.IsValidElement(p.X)) || !(this.field.IsValidElement(p.Y))
                )
            {
                throw new ArgumentException("The input point must be taken over the field.");
            }

            if (p.IsInfinity())
            {
                return(p);
            }
            if (k.Equals(BigInt.ZERO))
            {
                return(Point.INFINITY);
            }
            if (k.Equals(BigInt.ONE))
            {
                return(p);
            }


            if (k.Signum() == -1)
            {
                k = k.Abs();
                p = this.Negate(p);
            }

            sbyte[] ba = k.ToByteArray();

            int degree = ByteArrayUtil.DegreeOf(ba) - 1;

            Point x = p;

            for (int i = degree; i >= 0; i--)
            {
                x = this.Dbl(x);
                if (ByteArrayUtil.GetBitByDegree(i, ba))
                {
                    x = this.Add(p, x);
                }
            }
            return(x);
        }
    public void EncodeGamePackage(object messageBody)
    {
        try
        {
            // clear send buffer
            ResetSendBuffer();

            //
            int messageId = 0;
            if (!m_MessageMapTypeToId.TryGetValue(messageBody.GetType(), out messageId))
            {
                Debug.LogError("Can't encode message " + messageId);
                return;
            }

            // push message id
            Array.Copy(ByteArrayUtil.intToBytes(messageId), 0, m_SendBuffer, m_SendBufferSize, 4);
            m_SendBufferSize += 4;

            // push prefix
            m_SendBufferSize += 4;

            //push header (default length = 0,body = null)
            Array.Copy(ByteArrayUtil.shortToByteArray(0), 0, m_SendBuffer, m_SendBufferSize, 2);
            m_SendBufferSize += 2;

            // push message body length
            TBase  Message     = messageBody as TBase;
            byte[] tmpSendBody = ThriftSerialize.Serialize(Message);
            Array.Copy(ByteArrayUtil.intToBytes(tmpSendBody.Length), 0, m_SendBuffer, m_SendBufferSize, 4);
            m_SendBufferSize += 4;

            Array.Copy(tmpSendBody, 0, m_SendBuffer, m_SendBufferSize, tmpSendBody.Length);
            m_SendBufferSize += tmpSendBody.Length;

            Debug.Log("Send msg:" + messageBody.ToString());
        }
        catch (Exception e)
        {
            Debug.LogError("Error on encode game package ");
            Debug.LogException(e);
        }
    }
        public static T Deserialize <T>(Stream stream, IJsonFormatterResolver resolver)
        {
            if (resolver == null)
            {
                resolver = JsonSerializer.DefaultResolver;
            }

#if NETSTANDARD && !NET45
            var ms = stream as MemoryStream;
            if (ms != null)
            {
                ArraySegment <byte> buf2;
                if (ms.TryGetBuffer(out buf2))
                {
                    // when token is number, can not use from pool(can not find end line).
                    var token = new JsonReaderUtf8(buf2.Array, buf2.Offset).GetCurrentJsonToken();
                    if (token == JsonToken.Number)
                    {
                        var buf3 = new byte[buf2.Count];
                        Buffer.BlockCopy(buf2.Array, buf2.Offset, buf3, 0, buf3.Length);
                        return(Deserialize <T>(buf3, 0, resolver));
                    }

                    return(Deserialize <T>(buf2.Array, buf2.Offset, resolver));
                }
            }
#endif
            {
                var buf = MemoryPool.GetBuffer();
                var len = FillFromStream(stream, ref buf);

                // when token is number, can not use from pool(can not find end line).
                var token = new JsonReaderUtf8(buf).GetCurrentJsonToken();
                if (token == JsonToken.Number)
                {
                    buf = ByteArrayUtil.FastCloneWithResize(buf, len);
                }

                return(Deserialize <T>(buf, resolver));
            }
        }
Example #15
0
 public override void WriteBoolean(bool value)
 {
     if (value)
     {
         ByteArrayUtil.EnsureCapacity(ref buffer, offset, 4);
         buffer[offset + 0] = (byte)'t';
         buffer[offset + 1] = (byte)'r';
         buffer[offset + 2] = (byte)'u';
         buffer[offset + 3] = (byte)'e';
         offset            += 4;
     }
     else
     {
         ByteArrayUtil.EnsureCapacity(ref buffer, offset, 5);
         buffer[offset + 0] = (byte)'f';
         buffer[offset + 1] = (byte)'a';
         buffer[offset + 2] = (byte)'l';
         buffer[offset + 3] = (byte)'s';
         buffer[offset + 4] = (byte)'e';
         offset            += 5;
     }
 }
        public static async System.Threading.Tasks.Task <T> DeserializeAsync <T>(Stream stream, IJsonFormatterResolver resolver)
        {
            if (resolver == null)
            {
                resolver = JsonSerializer.DefaultResolver;
            }

            var buffer = BufferPool.Default.Rent();
            var buf    = buffer;

            try
            {
                int length = 0;
                int read;
                while ((read = await stream.ReadAsync(buf, length, buf.Length - length).ConfigureAwait(false)) > 0)
                {
                    length += read;
                    if (length == buf.Length)
                    {
                        ByteArrayUtil.FastResize(ref buf, length * 2);
                    }
                }

                // when token is number, can not use from pool(can not find end line).
                var token = new JsonReaderUtf8(buf).GetCurrentJsonToken();
                if (token == JsonToken.Number)
                {
                    buf = ByteArrayUtil.FastCloneWithResize(buf, length);
                }

                return(Deserialize <T>(buf, resolver));
            }
            finally
            {
                BufferPool.Default.Return(buffer);
            }
        }
Example #17
0
 public Span <byte> GetBuffer(int offset, int appendLength)
 {
     ByteArrayUtil.EnsureCapacity(ref this.buffer, offset, appendLength);
     return(new Span <byte>(this.buffer, offset, appendLength));
 }
 public void AddStringSlow(string str)
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, StringEncoding.UTF8.GetMaxByteCount(str.Length));
     offset += StringEncoding.UTF8.GetBytes(str, 0, str.Length, buffer, offset);
 }
Example #19
0
 public override void WriteBeginArray()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 1);
     buffer[offset++] = (byte)'[';
 }
Example #20
0
 public override void WriteEndObject()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 1);
     buffer[offset++] = (byte)'}';
 }
Example #21
0
 public override void WriteNameSeparator()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 1);
     buffer[offset++] = (byte)':';
 }
 public void AddCharacter(byte str)
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 1);
     buffer[offset++] = str;
 }
Example #23
0
 public override void WriteQuotation()
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 1);
     buffer[offset++] = (byte)'\"';
 }
    private int DecodeGamePackage(int index, int size)
    {
        m_bIsWaitingPkgComplete = false;

        int initIndex = index;

        if (IsOutOfSize(index, size, 4))
        {
            m_bIsWaitingPkgComplete = true;
            return(initIndex);
        }
        //decode message id
        int messageId = ByteArrayUtil.bytesToInt(m_DecodingBuffer.ToArray(), index);

        index += 4;

        if (IsOutOfSize(index, size, 4))
        {
            m_bIsWaitingPkgComplete = true;
            return(initIndex);
        }
        //skip header
        index += 4;

        if (IsOutOfSize(index, size, 2))
        {
            m_bIsWaitingPkgComplete = true;
            return(initIndex);
        }
        short headerLength = ByteArrayUtil.bytesToShort(m_DecodingBuffer.ToArray(), index);

        index += 2;

        if (IsOutOfSize(index, size, headerLength))
        {
            m_bIsWaitingPkgComplete = true;
            return(initIndex);
        }
        //skip header
        index += headerLength;

        if (IsOutOfSize(index, size, 4))
        {
            m_bIsWaitingPkgComplete = true;
            return(initIndex);
        }
        //get message length
        int messageLength = ByteArrayUtil.bytesToInt(m_DecodingBuffer.ToArray(), index);

        index += 4;

        if (IsOutOfSize(index, size, messageLength))
        {
            m_bIsWaitingPkgComplete = true;
            return(initIndex);
        }
        byte[] messageBody = new byte[messageLength];
        Array.Copy(m_DecodingBuffer.ToArray(), index, messageBody, 0, messageLength);

        //update index
        index += messageLength;

        TBase message = null;
        Type  tmpType;

        if (!m_MessageMapIdToType.TryGetValue(messageId, out tmpType))
        {
            Debug.LogError("Can't decode message " + messageId);
            //return -1;
            return(index);
        }
        message = Activator.CreateInstance(tmpType) as TBase;
        ThriftSerialize.DeSerialize(message, messageBody);

        //broad cast
        MessageDispatcher.Instance.BroadcastMessage(new MessageObject(messageId, message));

        Debug.Log("Rec msg:" + message.ToString());

        return(index);
    }
Example #25
0
        public override void WriteString(string value)
        {
            if (value == null)
            {
                WriteNull();
                return;
            }

            // single-path escape

            // nonescaped-ensure
            var startoffset = offset;
            var max         = StringEncoding.UTF8.GetMaxByteCount(value.Length) + 2;

            ByteArrayUtil.EnsureCapacity(ref buffer, startoffset, max);

            var from = 0;

            //var to = value.Length;

            buffer[offset++] = (byte)'\"';

            // for JIT Optimization, for-loop i < str.Length
            for (int i = 0; i < value.Length; i++)
            {
                byte escapeChar = default(byte);
                switch (value[i])
                {
                case '"':
                    escapeChar = (byte)'"';
                    break;

                case '\\':
                    escapeChar = (byte)'\\';
                    break;

                case '\b':
                    escapeChar = (byte)'b';
                    break;

                case '\f':
                    escapeChar = (byte)'f';
                    break;

                case '\n':
                    escapeChar = (byte)'n';
                    break;

                case '\r':
                    escapeChar = (byte)'r';
                    break;

                case '\t':
                    escapeChar = (byte)'t';
                    break;

                // use switch jumptable
                case (char)0:
                case (char)1:
                case (char)2:
                case (char)3:
                case (char)4:
                case (char)5:
                case (char)6:
                case (char)7:
                case (char)11:
                case (char)14:
                case (char)15:
                case (char)16:
                case (char)17:
                case (char)18:
                case (char)19:
                case (char)20:
                case (char)21:
                case (char)22:
                case (char)23:
                case (char)24:
                case (char)25:
                case (char)26:
                case (char)27:
                case (char)28:
                case (char)29:
                case (char)30:
                case (char)31:
                case (char)32:
                case (char)33:
                case (char)35:
                case (char)36:
                case (char)37:
                case (char)38:
                case (char)39:
                case (char)40:
                case (char)41:
                case (char)42:
                case (char)43:
                case (char)44:
                case (char)45:
                case (char)46:
                case (char)47:
                case (char)48:
                case (char)49:
                case (char)50:
                case (char)51:
                case (char)52:
                case (char)53:
                case (char)54:
                case (char)55:
                case (char)56:
                case (char)57:
                case (char)58:
                case (char)59:
                case (char)60:
                case (char)61:
                case (char)62:
                case (char)63:
                case (char)64:
                case (char)65:
                case (char)66:
                case (char)67:
                case (char)68:
                case (char)69:
                case (char)70:
                case (char)71:
                case (char)72:
                case (char)73:
                case (char)74:
                case (char)75:
                case (char)76:
                case (char)77:
                case (char)78:
                case (char)79:
                case (char)80:
                case (char)81:
                case (char)82:
                case (char)83:
                case (char)84:
                case (char)85:
                case (char)86:
                case (char)87:
                case (char)88:
                case (char)89:
                case (char)90:
                case (char)91:
                default:
                    continue;
                }

                max += 2;
                ByteArrayUtil.EnsureCapacity(ref buffer, startoffset, max); // check +escape capacity

                offset          += StringEncoding.UTF8.GetBytes(value, from, i - from, buffer, offset);
                from             = i + 1;
                buffer[offset++] = (byte)'\\';
                buffer[offset++] = escapeChar;
            }

            if (from != value.Length)
            {
                offset += StringEncoding.UTF8.GetBytes(value, from, value.Length - from, buffer, offset);
            }

            buffer[offset++] = (byte)'\"';
        }
 public void Parse_FormatInvalid_ShouldThrow(string str)
 {
     Assert.Throws <FormatException>(() => ByteArrayUtil.Parse(str));
 }
        public void Parse(string str)
        {
            var data = new byte[] { 0x01, 0xff };

            CollectionAssert.AreEqual(data, ByteArrayUtil.Parse(str));
        }
Example #28
0
 public override void EnsureCapacity(int offset, int appendLength)
 {
     ByteArrayUtil.EnsureCapacity(ref this.buffer, offset, appendLength);
 }
Example #29
0
 public override void WriteRaw(byte rawValue)
 {
     ByteArrayUtil.EnsureCapacity(ref buffer, offset, 1);
     buffer[offset++] = rawValue;
 }
Example #30
0
        private void ReadStringSegmentCore(out byte[] resultBytes, out int resultOffset, out int resultLength)
        {
            // SkipWhiteSpace is already called from IsNull

            byte[] builder       = null;
            var    builderOffset = 0;

            char[] codePointStringBuffer = null;
            var    codePointStringOffet  = 0;

            if (this.bytes[this.offset] != '\"')
            {
                throw this.CreateParsingException("String Begin Token");
            }

            this.offset++;

            var from = this.offset;

            // eliminate array-bound check
            for (int i = this.offset; i < this.bytes.Length; i++)
            {
                byte escapeCharacter = 0;
                switch (this.bytes[i])
                {
                case (byte)'\\':     // escape character
                    switch ((char)this.bytes[i + 1])
                    {
                    case '"':
                    case '\\':
                    case '/':
                        escapeCharacter = this.bytes[i + 1];
                        goto COPY;

                    case 'b':
                        escapeCharacter = (byte)'\b';
                        goto COPY;

                    case 'f':
                        escapeCharacter = (byte)'\f';
                        goto COPY;

                    case 'n':
                        escapeCharacter = (byte)'\n';
                        goto COPY;

                    case 'r':
                        escapeCharacter = (byte)'\r';
                        goto COPY;

                    case 't':
                        escapeCharacter = (byte)'\t';
                        goto COPY;

                    case 'u':
                        if (codePointStringBuffer == null)
                        {
                            codePointStringBuffer = StringBuilderCache.GetCodePointStringBuffer();
                        }

                        if (codePointStringOffet == 0)
                        {
                            if (builder == null)
                            {
                                builder = StringBuilderCache.GetBuffer();
                            }

                            var copyCount = i - from;
                            ByteArrayUtil.EnsureCapacity(ref builder, builderOffset, copyCount + 1);         // require + 1
                            Buffer.BlockCopy(this.bytes, from, builder, builderOffset, copyCount);
                            builderOffset += copyCount;
                        }

                        if (codePointStringBuffer.Length == codePointStringOffet)
                        {
                            Array.Resize(ref codePointStringBuffer, codePointStringBuffer.Length * 2);
                        }

                        var a         = (char)this.bytes[i + 2];
                        var b         = (char)this.bytes[i + 3];
                        var c         = (char)this.bytes[i + 4];
                        var d         = (char)this.bytes[i + 5];
                        var codepoint = GetCodePoint(a, b, c, d);
                        codePointStringBuffer[codePointStringOffet++] = (char)codepoint;
                        i           += 5;
                        this.offset += 6;
                        from         = this.offset;
                        continue;

                    default:
                        throw this.CreateParsingExceptionMessage("Bad JSON escape.");
                    }

                case (byte)'"':     // endtoken
                    this.offset++;
                    goto END;

                default:     // string
                    if (codePointStringOffet != 0)
                    {
                        if (builder == null)
                        {
                            builder = StringBuilderCache.GetBuffer();
                        }

                        ByteArrayUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
                        builderOffset       += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
                        codePointStringOffet = 0;
                    }
                    this.offset++;
                    continue;
                }

COPY:
                {
                    if (builder == null)
                    {
                        builder = StringBuilderCache.GetBuffer();
                    }

                    if (codePointStringOffet != 0)
                    {
                        ByteArrayUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
                        builderOffset       += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
                        codePointStringOffet = 0;
                    }

                    var copyCount = i - from;
                    ByteArrayUtil.EnsureCapacity(ref builder, builderOffset, copyCount + 1); // require + 1!
                    Buffer.BlockCopy(this.bytes, from, builder, builderOffset, copyCount);
                    builderOffset           += copyCount;
                    builder[builderOffset++] = escapeCharacter;
                    i           += 1;
                    this.offset += 2;
                    from         = this.offset;
                }
            }

            resultLength = 0;
            resultBytes  = null;
            resultOffset = 0;
            throw this.CreateParsingException("String End Token");

END:
            if (builderOffset == 0 && codePointStringOffet == 0) // no escape
            {
                resultBytes  = this.bytes;
                resultOffset = from;
                resultLength = this.offset - 1 - from; // skip last quote
            }
            else
            {
                if (builder == null)
                {
                    builder = StringBuilderCache.GetBuffer();
                }

                if (codePointStringOffet != 0)
                {
                    ByteArrayUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
                    builderOffset       += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
                    codePointStringOffet = 0;
                }

                var copyCount = this.offset - from - 1;
                ByteArrayUtil.EnsureCapacity(ref builder, builderOffset, copyCount);
                Buffer.BlockCopy(this.bytes, from, builder, builderOffset, copyCount);
                builderOffset += copyCount;

                resultBytes  = builder;
                resultOffset = 0;
                resultLength = builderOffset;
            }
        }