/// <summary>
/// Convert bit array to object based on position, type of object and length of the bits
/// </summary>
/// <param name="bit_array">the input bit array</param>
/// <param name="cursor">the start position</param>
/// <param name="obj">output value</param>
/// <param name="type">conversion type</param>
/// <param name="field_len">field length, if it's 0, the field length will be determined by type</param>
public static void ConvertBitArrayToObj(ref BitArray bit_array, ref int cursor, out Object obj, Type type, int field_len)
{
if (type.Equals(typeof(bool)))
{
obj = bit_array[cursor];
cursor++;
}
else if (type.Equals(typeof(byte)))
{
obj = (byte)(UInt64)CalculateVal(ref bit_array, ref cursor, 8);
}
else if (type.Equals(typeof(sbyte)))
{
obj = (sbyte)(UInt64)CalculateVal(ref bit_array, ref cursor, 8);
}
else if (type.Equals(typeof(UInt16)))
{
obj = (UInt16)(UInt64)CalculateVal(ref bit_array, ref cursor, 16);
}
else if (type.Equals(typeof(Int16)))
{
obj = (Int16)(UInt64)CalculateVal(ref bit_array, ref cursor, 16);
}
else if (type.Equals(typeof(UInt32)))
{
obj = (UInt32)(UInt64)CalculateVal(ref bit_array, ref cursor, field_len);
}
else if (type.Equals(typeof(Int32)))
{
obj = (Int32)(UInt64)CalculateVal(ref bit_array, ref cursor, 32);
}
else if (type.Equals(typeof(UInt64)))
{
obj = (UInt64)(UInt64)CalculateVal(ref bit_array, ref cursor, 64);
}
else if (type.Equals(typeof(Int64)))
{
obj = (Int64)(UInt64)CalculateVal(ref bit_array, ref cursor, 64);
}
else if (type.Equals(typeof(string)))
{
string s = string.Empty;
for (int i = 0; i < field_len; i++)
{
try
{
byte bd = (byte)(UInt64)CalculateVal(ref bit_array, ref cursor, 8);
System.Text.UTF8Encoding encoding = new UTF8Encoding();
byte[] bdarr = new byte[1] {
bd
};
s += encoding.GetString(bdarr);
}
catch
{
}
}
if (field_len > 1 && s[field_len - 1] == 0)
{
s = s.Substring(0, field_len - 1);
}
obj = s;
}
else if (type.Equals(typeof(ByteArray)))
{
obj = new ByteArray();
for (int i = 0; i < field_len; i++)
{
((ByteArray)obj).Add((byte)(UInt64)CalculateVal(ref bit_array, ref cursor, 8));
}
}
else if (type.Equals(typeof(UInt16Array)))
{
obj = new UInt16Array();
for (int i = 0; i < field_len; i++)
{
((UInt16Array)obj).Add((UInt16)(UInt64)CalculateVal(ref bit_array, ref cursor, 16));
}
}
else if (type.Equals(typeof(UInt32Array)))
{
obj = new UInt32Array();
for (int i = 0; i < field_len; i++)
{
((UInt32Array)obj).Add((UInt32)(UInt64)CalculateVal(ref bit_array, ref cursor, 32));
}
}
else if (type.Equals(typeof(TwoBits)))
{
obj = new TwoBits(bit_array[cursor], bit_array[cursor + 1]);
cursor += 2;
}
else if (type.Equals(typeof(BitArray)))
{
obj = new BitArray(field_len);
for (int i = 0; i < field_len; i++)
{
((BitArray)obj)[i] = bit_array[cursor];
cursor++;
}
}
else if (type.Equals(typeof(LLRPBitArray)))
{
obj = new LLRPBitArray();
int mod = field_len % 8;
int total_len = (mod > 0) ? (field_len + 8 - mod) : field_len;
for (int i = 0; i < total_len; i++)
{
if (i < field_len)
{
((LLRPBitArray)obj).Add(bit_array[cursor]);
}
cursor++;
}
}
else
{
obj = (UInt32)(UInt64)CalculateVal(ref bit_array, ref cursor, field_len);
}
}
/// <summary>
/// Parse array type supported by LLRP protocol
/// </summary>
/// <param name="val">input string value</param>
/// <param name="type">array type (string), defined in LLRP protocol</param>
/// <param name="format">format (string), defined in LLRP protocol</param>
/// <returns></returns>
public static object ParseArrayTypeFromString(string val, string type, string format)
{
try
{
switch (type)
{
case "u1v":
case "u96":
switch (format)
{
case "Hex":
return(LLRPBitArray.FromHexString(val));
case "Dec":
default:
return(LLRPBitArray.FromString(val));
}
break;
case "bytesToEnd":
case "u8v":
switch (format)
{
case "Hex":
return(ByteArray.FromHexString(val));
case "Dec":
default:
return(ByteArray.FromString(val));
}
break;
case "u16v":
switch (format)
{
case "Hex":
return(UInt16Array.FromHexString(val));
case "Dec":
default:
return(UInt16Array.FromString(val));
}
break;
case "u32v":
switch (format)
{
case "Hex":
return(UInt32Array.FromHexString(val));
case "Dec":
default:
return(UInt32Array.FromString(val));
}
break;
case "utf8v":
return(val);
break;
default:
throw new Exception(string.Format("{0} is unsupported type.", type));
}
}
catch
{
throw new Exception(string.Format("Can't parse {0} to {1} as format {2}", val, type, format));
}
}
