public void RenderText(IFormattedTextSegment segment)
{
if (Dispatcher.CheckAccess())
{
if (!segment.Complete)
{
_incompleteSegments.Add(segment);
}
else
{
int start = tblkMainContent.Inlines.Count - _incompleteSegments.Count;
start = start < 0 ? 0 : start;
for (int i = start; i < tblkMainContent.Inlines.Count; ++i)
{
Run prev = tblkMainContent.Inlines[i] as Run;
if (prev == null)
{
continue;
}
prev.Foreground = new SolidColorBrush(segment.TextColor);
}
_incompleteSegments.Clear();
}
Run r = new Run();
r.Text = segment.Text;
r.Foreground = new SolidColorBrush(segment.TextColor);
tblkMainContent.Inlines.Add(r);
svMainContent.UpdateLayout();
svMainContent.ScrollToVerticalOffset(double.MaxValue);
}
else
{
Dispatcher.BeginInvoke(() => { RenderText(segment); });
}
}
public IFormattedTextSegment[] ProcessText(string text)
{
IFormattedTextSegment[] formattedText = new IFormattedTextSegment[] { };
lock (_overflow)
{
// append any previous overflow
string input = _overflow + text;
// clear the overflow for the next pass
_overflow = string.Empty;
// find any escape sequence
int nextEsc = input.IndexOf(cESC);
// process the sequence if found
if (nextEsc >= 0)
{
string[] tokens = text.Split(cESC);
foreach (string token in tokens)
{
string parsedText = string.Empty;
if (rxANSICmd.IsMatch(token)) // process the command
{
if (token.Contains(";")) // check for multiple parameters
{
int m = token.IndexOf('m');
int first = int.MaxValue;
foreach (char c in "ABCDEFGHJKSTfmnsul")
{
int idx = token.IndexOf(c);
if (idx < 0)
{
continue;
}
first = Math.Min(idx, first);
}
if (first < m) // not SGR so just remove
{
parsedText = token.Substring(first + 1);
}
else
{
string[] values = token.Split(';');
int cformat = int.Parse(values[0].Substring(1));
for (int i = 1; i < values.Length; ++i)
{
int fm = values[i].IndexOf('m');
int val = fm < 0 ? int.Parse(values[i]) : int.Parse(values[i].Substring(0, fm));
if (val >= 30 && val <= 37)
{
_currentColor = cformat == 0 ? colorsNormal[val] : colorsBright[val];
break;
}
}
parsedText = values[values.Length - 1].Substring(values[values.Length - 1].IndexOf('m') + 1);
}
}
else if (rxShorthandNormal.IsMatch(token)) // check for SGR
{
int val = int.Parse(token.Substring(1, token.IndexOf('m') - 1));
if (val >= 30 && val <= 37)
{
_currentColor = colorsNormal[val];
}
parsedText = token.Substring(token.IndexOf('m') + 1);
}
else
{
// remove the ansi junk and just process the normal text
int first = int.MaxValue;
foreach (char c in "ABCDEFGHJKSTfmnsul")
{
int idx = token.IndexOf(c);
if (idx < 0)
{
continue;
}
first = Math.Min(idx, first);
}
parsedText = token.Substring(first + 1);
}
}
else
{
parsedText = token;
}
Array.Resize <IFormattedTextSegment>(ref formattedText, formattedText.Length + 1);
formattedText[formattedText.Length - 1] = new DisplayText()
{
Text = parsedText, TextColor = DefaultColor
};
}
}
else // use the last known color
{
Array.Resize <IFormattedTextSegment>(ref formattedText, 1);
formattedText[0] = new DisplayText()
{
Text = input, TextColor = DefaultColor
};
}
}
return(formattedText);
}
