private void WriteMap(Stream ms)
{
byte b;
byte[] lenBytes;
int len = children.Count;
if (len <= 15)
{
b = (byte)(0x80 + (byte)len);
ms.WriteByte(b);
}
else if (len <= 65535)
{
b = 0xDE;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes((short)len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
else
{
b = 0xDF;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes(len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
for (int i = 0; i < len; i++)
{
WriteTools.WriteString(ms, children[i].name);
children[i].Encode2Stream(ms);
}
}
public static void WriteBinary(Stream ms, byte[] rawBytes)
{
int len = rawBytes.Length;
byte[] lenBytes;
byte b;
if (len <= 255)
{
b = 0xC4;
ms.WriteByte(b);
b = (byte)len;
ms.WriteByte(b);
}
else if (len <= 65535)
{
b = 0xC5;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes((short)len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
else
{
b = 0xC6;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes(len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
ms.Write(rawBytes, 0, rawBytes.Length);
}
private void WirteArray(Stream ms)
{
byte b;
byte[] lenBytes;
int len = children.Count;
if (len <= 15)
{
b = (byte)(0x90 + (byte)len);
ms.WriteByte(b);
}
else if (len <= 65535)
{
b = 0xDC;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes((short)len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
else
{
b = 0xDD;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes(len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
for (int i = 0; i < len; i++)
{
children[i].Encode2Stream(ms);
}
}
public static string ReadString(byte strFlag, Stream ms)
{
int len = 0;
//
//fixstr stores a byte array whose length is upto 31 bytes:
//+--------+========+
//|101XXXXX| data |
//+--------+========+
//
//str 8 stores a byte array whose length is upto (2^8)-1 bytes:
//+--------+--------+========+
//| 0xd9 |YYYYYYYY| data |
//+--------+--------+========+
//
//str 16 stores a byte array whose length is upto (2^16)-1 bytes:
//+--------+--------+--------+========+
//| 0xda |ZZZZZZZZ|ZZZZZZZZ| data |
//+--------+--------+--------+========+
//
//str 32 stores a byte array whose length is upto (2^32)-1 bytes:
//+--------+--------+--------+--------+--------+========+
//| 0xdb |AAAAAAAA|AAAAAAAA|AAAAAAAA|AAAAAAAA| data |
//+--------+--------+--------+--------+--------+========+
//
//where
//* XXXXX is a 5-bit unsigned integer which represents N
//* YYYYYYYY is a 8-bit unsigned integer which represents N
//* ZZZZZZZZ_ZZZZZZZZ is a 16-bit big-endian unsigned integer which represents N
//* AAAAAAAA_AAAAAAAA_AAAAAAAA_AAAAAAAA is a 32-bit big-endian unsigned integer which represents N
//* N is the length of data
byte[] rawBytes;
if ((strFlag >= 0xA0) && (strFlag <= 0xBF))
{
len = strFlag - 0xA0;
}
else if (strFlag == 0xD9)
{
len = ms.ReadByte();
}
else if (strFlag == 0xDA)
{
rawBytes = new byte[2];
ms.Read(rawBytes, 0, 2);
rawBytes = BytesTools.SwapBytes(rawBytes);
len = BitConverter.ToUInt16(rawBytes, 0);
}
else if (strFlag == 0xDB)
{
rawBytes = new byte[4];
ms.Read(rawBytes, 0, 4);
rawBytes = BytesTools.SwapBytes(rawBytes);
len = BitConverter.ToInt32(rawBytes, 0);
}
rawBytes = new byte[len];
ms.Read(rawBytes, 0, len);
return(BytesTools.GetString(rawBytes));
}
public static void WriteInteger(Stream ms, long iVal)
{
if (iVal >= 0)
{ // Positive number
if (iVal <= 127)
{
ms.WriteByte((byte)iVal);
}
else if (iVal <= 255)
{ //UInt8
ms.WriteByte(0xCC);
ms.WriteByte((byte)iVal);
}
else if (iVal <= 0xFFFF)
{ //UInt16
ms.WriteByte(0xCD);
ms.Write(BytesTools.SwapInt16((short)iVal), 0, 2);
}
else if (iVal <= 0xFFFFFFFF)
{ //UInt32
ms.WriteByte(0xCE);
ms.Write(BytesTools.SwapInt32((int)iVal), 0, 4);
}
else
{ //Int64
ms.WriteByte(0xD3);
ms.Write(BytesTools.SwapInt64(iVal), 0, 8);
}
}
else
{ // <0
if (iVal <= int.MinValue) //-2147483648 // 64 bit
{
ms.WriteByte(0xD3);
ms.Write(BytesTools.SwapInt64(iVal), 0, 8);
}
else if (iVal <= short.MinValue) // -32768 // 32 bit
{
ms.WriteByte(0xD2);
ms.Write(BytesTools.SwapInt32((int)iVal), 0, 4);
}
else if (iVal <= -128) // -32768 // 32 bit
{
ms.WriteByte(0xD1);
ms.Write(BytesTools.SwapInt16((short)iVal), 0, 2);
}
else if (iVal <= -32)
{
ms.WriteByte(0xD0);
ms.WriteByte((byte)iVal);
}
else
{
ms.WriteByte((byte)iVal);
}
} // end <0
}
public static void WriteUInt64(Stream ms, ulong iVal)
{
ms.WriteByte(0xCF);
byte[] dataBytes = BitConverter.GetBytes(iVal);
ms.Write(BytesTools.SwapBytes(dataBytes), 0, 8);
}
public static void WriteString(Stream ms, string strVal)
{
//
//fixstr stores a byte array whose length is upto 31 bytes:
//+--------+========+
//|101XXXXX| data |
//+--------+========+
//
//str 8 stores a byte array whose length is upto (2^8)-1 bytes:
//+--------+--------+========+
//| 0xd9 |YYYYYYYY| data |
//+--------+--------+========+
//
//str 16 stores a byte array whose length is upto (2^16)-1 bytes:
//+--------+--------+--------+========+
//| 0xda |ZZZZZZZZ|ZZZZZZZZ| data |
//+--------+--------+--------+========+
//
//str 32 stores a byte array whose length is upto (2^32)-1 bytes:
//+--------+--------+--------+--------+--------+========+
//| 0xdb |AAAAAAAA|AAAAAAAA|AAAAAAAA|AAAAAAAA| data |
//+--------+--------+--------+--------+--------+========+
//
//where
//* XXXXX is a 5-bit unsigned integer which represents N
//* YYYYYYYY is a 8-bit unsigned integer which represents N
//* ZZZZZZZZ_ZZZZZZZZ is a 16-bit big-endian unsigned integer which represents N
//* AAAAAAAA_AAAAAAAA_AAAAAAAA_AAAAAAAA is a 32-bit big-endian unsigned integer which represents N
//* N is the length of data
byte[] rawBytes = BytesTools.GetUtf8Bytes(strVal);
int len = rawBytes.Length;
byte[] lenBytes;
byte b;
if (len <= 31)
{
b = (byte)(0xA0 + (byte)len);
ms.WriteByte(b);
}
else if (len <= 255)
{
b = 0xD9;
ms.WriteByte(b);
b = (byte)len;
ms.WriteByte(b);
}
else if (len <= 65535)
{
b = 0xDA;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes((short)len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
else
{
b = 0xDB;
ms.WriteByte(b);
lenBytes = BytesTools.SwapBytes(BitConverter.GetBytes(len));
ms.Write(lenBytes, 0, lenBytes.Length);
}
ms.Write(rawBytes, 0, rawBytes.Length);
}
public static void WriteSingle(Stream ms, float fVal)
{
ms.WriteByte(0xCA);
ms.Write(BytesTools.SwapBytes(BitConverter.GetBytes(fVal)), 0, 4);
}
public static void WriteFloat(Stream ms, double fVal)
{
ms.WriteByte(0xCB);
ms.Write(BytesTools.SwapDouble(fVal), 0, 8);
}
public static string ReadString(Stream ms, int len)
{
byte[] rawBytes = new byte[len];
ms.Read(rawBytes, 0, len);
return(BytesTools.GetString(rawBytes));
}
