public unsafe static void ToString(char[] buffer, int pos, Guid value)
{
fixed(char *ds = &buffer[pos])
{
char *pd = ds;
var visibleMembers = new GuidStruct(value);
// bytes[3]
var b = visibleMembers.B03 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[2]
b = visibleMembers.B02 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[1]
b = visibleMembers.B01 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[0]
b = visibleMembers.B00 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
*pd++ = '-';
// bytes[5]
b = visibleMembers.B05 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[4]
b = visibleMembers.B04 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
*pd++ = '-';
// bytes[7]
b = visibleMembers.B07 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[6]
b = visibleMembers.B06 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
*pd++ = '-';
// bytes[8]
b = visibleMembers.B08 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[9]
b = visibleMembers.B09 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
*pd++ = '-';
// bytes[10]
b = visibleMembers.B10 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[11]
b = visibleMembers.B11 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[12]
b = visibleMembers.B12 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[13]
b = visibleMembers.B13 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[14]
b = visibleMembers.B14 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
// bytes[15]
b = visibleMembers.B15 * 2;
*pd++ = WriteGuidLookup[b];
*pd++ = WriteGuidLookup[b + 1];
}
//fixed (char* ds = &buffer[pos])
//{
// char* pd = ds;
// var visibleMembers = new GuidStruct(value);
// // bytes[3]
// var b = visibleMembers.B03 * 2;
// buffer[0] = WriteGuidLookup[b];
// buffer[1] = WriteGuidLookup[b + 1];
// // bytes[2]
// b = visibleMembers.B02 * 2;
// buffer[2] = WriteGuidLookup[b];
// buffer[3] = WriteGuidLookup[b + 1];
// // bytes[1]
// b = visibleMembers.B01 * 2;
// buffer[4] = WriteGuidLookup[b];
// buffer[5] = WriteGuidLookup[b + 1];
// // bytes[0]
// b = visibleMembers.B00 * 2;
// buffer[6] = WriteGuidLookup[b];
// buffer[7] = WriteGuidLookup[b + 1];
// buffer[8] = '-';
// // bytes[5]
// b = visibleMembers.B05 * 2;
// buffer[9] = WriteGuidLookup[b];
// buffer[10] = WriteGuidLookup[b + 1];
// // bytes[4]
// b = visibleMembers.B04 * 2;
// buffer[11] = WriteGuidLookup[b];
// buffer[12] = WriteGuidLookup[b + 1];
// buffer[13] = '-';
// // bytes[7]
// b = visibleMembers.B07 * 2;
// buffer[14] = WriteGuidLookup[b];
// buffer[15] = WriteGuidLookup[b + 1];
// // bytes[6]
// b = visibleMembers.B06 * 2;
// buffer[16] = WriteGuidLookup[b];
// buffer[17] = WriteGuidLookup[b + 1];
// buffer[18] = '-';
// // bytes[8]
// b = visibleMembers.B08 * 2;
// buffer[19] = WriteGuidLookup[b];
// buffer[20] = WriteGuidLookup[b + 1];
// // bytes[9]
// b = visibleMembers.B09 * 2;
// buffer[21] = WriteGuidLookup[b];
// buffer[22] = WriteGuidLookup[b + 1];
// buffer[23] = '-';
// // bytes[10]
// b = visibleMembers.B10 * 2;
// buffer[24] = WriteGuidLookup[b];
// buffer[25] = WriteGuidLookup[b + 1];
// // bytes[11]
// b = visibleMembers.B11 * 2;
// buffer[26] = WriteGuidLookup[b];
// buffer[27] = WriteGuidLookup[b + 1];
// // bytes[12]
// b = visibleMembers.B12 * 2;
// buffer[28] = WriteGuidLookup[b];
// buffer[29] = WriteGuidLookup[b + 1];
// // bytes[13]
// b = visibleMembers.B13 * 2;
// buffer[30] = WriteGuidLookup[b];
// buffer[31] = WriteGuidLookup[b + 1];
// // bytes[14]
// b = visibleMembers.B14 * 2;
// buffer[32] = WriteGuidLookup[b];
// buffer[33] = WriteGuidLookup[b + 1];
// // bytes[15]
// b = visibleMembers.B15 * 2;
// buffer[34] = WriteGuidLookup[b];
// buffer[35] = WriteGuidLookup[b + 1];
//}
}
public unsafe static void WriteGuid(Guid guid, char[] buffer)
{
// 1314FAD4-7505-439D-ABD2-DBD89242928C
// 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ
//
// Guid is guaranteed to be a 36 character string
// get all the dashes in place
buffer[8] = '-';
buffer[13] = '-';
buffer[18] = '-';
buffer[23] = '-';
// Bytes are in a different order than you might expect
// For: 35 91 8b c9 - 19 6d - 40 ea - 97 79 - 88 9d 79 b7 53 f0
// Get: C9 8B 91 35 6D 19 EA 40 97 79 88 9D 79 B7 53 F0
// Ix: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
//
// And we have to account for dashes
//
// So the map is like so:
// bytes[0] -> chars[3] -> buffer[ 6, 7]
// bytes[1] -> chars[2] -> buffer[ 4, 5]
// bytes[2] -> chars[1] -> buffer[ 2, 3]
// bytes[3] -> chars[0] -> buffer[ 0, 1]
// bytes[4] -> chars[5] -> buffer[11,12]
// bytes[5] -> chars[4] -> buffer[ 9,10]
// bytes[6] -> chars[7] -> buffer[16,17]
// bytes[7] -> chars[6] -> buffer[14,15]
// bytes[8] -> chars[8] -> buffer[19,20]
// bytes[9] -> chars[9] -> buffer[21,22]
// bytes[10] -> chars[10] -> buffer[24,25]
// bytes[11] -> chars[11] -> buffer[26,27]
// bytes[12] -> chars[12] -> buffer[28,29]
// bytes[13] -> chars[13] -> buffer[30,31]
// bytes[14] -> chars[14] -> buffer[32,33]
// bytes[15] -> chars[15] -> buffer[34,35]
var visibleMembers = new GuidStruct(guid);
// bytes[0]
var b = visibleMembers.B00 * 2;
buffer[6] = WriteGuidLookup[b];
buffer[7] = WriteGuidLookup[b + 1];
// bytes[1]
b = visibleMembers.B01 * 2;
buffer[4] = WriteGuidLookup[b];
buffer[5] = WriteGuidLookup[b + 1];
// bytes[2]
b = visibleMembers.B02 * 2;
buffer[2] = WriteGuidLookup[b];
buffer[3] = WriteGuidLookup[b + 1];
// bytes[3]
b = visibleMembers.B03 * 2;
buffer[0] = WriteGuidLookup[b];
buffer[1] = WriteGuidLookup[b + 1];
// bytes[4]
b = visibleMembers.B04 * 2;
buffer[11] = WriteGuidLookup[b];
buffer[12] = WriteGuidLookup[b + 1];
// bytes[5]
b = visibleMembers.B05 * 2;
buffer[9] = WriteGuidLookup[b];
buffer[10] = WriteGuidLookup[b + 1];
// bytes[6]
b = visibleMembers.B06 * 2;
buffer[16] = WriteGuidLookup[b];
buffer[17] = WriteGuidLookup[b + 1];
// bytes[7]
b = visibleMembers.B07 * 2;
buffer[14] = WriteGuidLookup[b];
buffer[15] = WriteGuidLookup[b + 1];
// bytes[8]
b = visibleMembers.B08 * 2;
buffer[19] = WriteGuidLookup[b];
buffer[20] = WriteGuidLookup[b + 1];
// bytes[9]
b = visibleMembers.B09 * 2;
buffer[21] = WriteGuidLookup[b];
buffer[22] = WriteGuidLookup[b + 1];
// bytes[10]
b = visibleMembers.B10 * 2;
buffer[24] = WriteGuidLookup[b];
buffer[25] = WriteGuidLookup[b + 1];
// bytes[11]
b = visibleMembers.B11 * 2;
buffer[26] = WriteGuidLookup[b];
buffer[27] = WriteGuidLookup[b + 1];
// bytes[12]
b = visibleMembers.B12 * 2;
buffer[28] = WriteGuidLookup[b];
buffer[29] = WriteGuidLookup[b + 1];
// bytes[13]
b = visibleMembers.B13 * 2;
buffer[30] = WriteGuidLookup[b];
buffer[31] = WriteGuidLookup[b + 1];
// bytes[14]
b = visibleMembers.B14 * 2;
buffer[32] = WriteGuidLookup[b];
buffer[33] = WriteGuidLookup[b + 1];
// bytes[15]
b = visibleMembers.B15 * 2;
buffer[34] = WriteGuidLookup[b];
buffer[35] = WriteGuidLookup[b + 1];
//writer.Write(buffer, 0, 36);
}