public static LinkedList <CSI_BLOCK> Compile_Command_Blocks(ReadOnlyMemory <char> Data)
{
// Each escape sequence begins with ESC (0x1B) followed by a single char in the range <64-95>(most often '[') followed by a series of command chars each sperated by a semicolon ';', the entire sequence is ended with a character in the range <64-126>(most often 'm')
var RetList = new LinkedList <CSI_BLOCK>();
DataStream <char> Stream = new DataStream <char>(Data, char.MinValue);
while (!Stream.atEnd)
{
int[] Codes = null;
byte? FinalByte = null;
int BlockStart = Stream.Position;
if (Stream.Next == ANSI.CSI)
{
if (Consume_CSI_Parameters(Stream, out List <int> outCodes, out byte?outFinalByte))
{
Codes = outCodes.ToArray();
FinalByte = outFinalByte;
}
}
else
{
Codes = new int[0];
}
/* Consume all text up until the next Control Sequence Initiator */
int TextStart = Stream.Position;
bool HasControlChar = false;
/* While we are consuming the text we can also check for control chars */
Stream.Consume_While(x => x != ANSI.CSI && !char.IsControl(x));
if (Stream.Next != ANSI.CSI && char.IsControl(Stream.Next))
{
HasControlChar = true;
Stream.Consume_While(x => x != ANSI.CSI);/* Go to the next CSI */
}
int BlockEnd = Stream.Position;
int TextLength = BlockEnd - TextStart;
var Text = Stream.AsMemory().Slice(TextStart, TextLength);
var block = new CSI_BLOCK(FinalByte, Codes, Text, BlockStart, BlockEnd, TextStart, HasControlChar);
RetList.AddLast(block);
}
return(RetList);
}
