/// <summary>
/// peek and return specified length of bytes from current position in Bytes
/// array. If length exceeds remaining length then shorten the peek length.
/// </summary>
/// <param name="Length"></param>
/// <returns></returns>
public byte[] PeekBytesLenient(int Length)
{
int lx = IntExt.Min(this.RemainingLength, Length);
var buf = this.Bytes.SubArray(this.Index, lx);
return(buf);
}
private static void LogFile_WriteRawBytes(byte[] Buffer, string FilePath)
{
int ix = 0;
while (ix < Buffer.Length)
{
int remLx = Buffer.Length - ix;
int lx = 1;
if ((Buffer[ix] == 0x1b) && (remLx > 1))
{
var fx = Buffer.IndexOf(ix + 1, new byte[] { 0x1b });
if (fx == -1)
{
lx = remLx;
}
else
{
lx = fx - ix;
}
}
else
{
lx = IntExt.Min(remLx, 15);
}
{
var sb = new StringBuilder();
sb.Append(Buffer.ToHex(ix, lx, ' '));
System.IO.File.AppendAllText(
FilePath, sb.ToString() + Environment.NewLine);
}
{
var sb = new StringBuilder();
sb.Append(Buffer.ToAscii(ix, lx, " "));
System.IO.File.AppendAllText(
FilePath, sb.ToString() + Environment.NewLine);
}
ix += lx;
}
}
private static void LogFile_WriteRawBytes(byte[] Buffer, List <string> Lines)
{
int ix = 0;
while (ix < Buffer.Length)
{
int remLx = Buffer.Length - ix;
int lx = 1;
if ((Buffer[ix] == 0x1b) && (remLx > 1))
{
var fx = Buffer.IndexOf(ix + 1, new byte[] { 0x1b });
if (fx == -1)
{
lx = remLx;
}
else
{
lx = fx - ix;
}
}
else
{
lx = IntExt.Min(remLx, 15);
}
{
var sb = new StringBuilder();
sb.Append(Buffer.ToHex(ix, lx, ' '));
Lines.Add(sb.ToString());
}
{
var sb = new StringBuilder();
sb.Append(Buffer.ToAscii(ix, lx, " "));
Lines.Add(sb.ToString());
}
ix += lx;
}
}
private static TerminalVt100Statement Factory_FromStmtText(string StmtText)
{
Vt100Command? cmd = null;
TerminalVt100Statement stmt = null;
string text1 = "";
string text2 = "";
string text3 = "";
string text4 = "";
string text20 = "";
int rx = 0;
if (StmtText.Length >= 1)
{
text1 = StmtText.Substring(0, 1);
}
if (StmtText.Length >= 2)
{
text2 = StmtText.Substring(0, 2);
}
if (StmtText.Length >= 3)
{
text3 = StmtText.Substring(0, 3);
}
if (StmtText.Length >= 4)
{
text4 = StmtText.Substring(0, 4);
}
int lx = IntExt.Min(StmtText.Length, 20);
text20 = StmtText.Substring(0, lx);
if (text4 == "[?3l")
{
cmd = Vt100Command.SetCol80;
stmt = new TerminalVt100Statement(StmtText.Substring(0, 4), cmd);
}
else if (text4 == "[?7h")
{
cmd = Vt100Command.SetAutoWrap;
stmt = new TerminalVt100Statement(StmtText.Substring(0, 4), cmd);
}
else if (text3 == "[0m")
{
stmt = new TerminalVt100Statement(text3, Vt100Command.CharAttrOff);
}
else if (text3 == "[1m")
{
stmt = new TerminalVt100Statement(text3, Vt100Command.BoldModeOn);
}
else if (text3 == "[4m")
{
stmt = new TerminalVt100Statement(text3, Vt100Command.UnderlineModeOn);
}
else if (text3 == "[2J")
{
stmt = new TerminalVt100Statement(text3, Vt100Command.ClearScreen);
}
else if ((text1 == "[") && (StmtText.Length >= 5) &&
((rx = StmtText.MatchRegExp(REGEXPCURSORPOSITION)) > 0))
{
stmt = new Vt100PosCursor(StmtText.Substring(0, rx));
}
else
{
stmt = new TerminalVt100Statement(StmtText, null);
}
return(stmt);
}