private void ColorizeEscapeSequences(TextWriter output, IntPtr hConsole, string message, ushort startingAttribute, ushort defaultAttribute)
{
lock (this)
{
int colorStackLength = 0;
_colorStack[colorStackLength++] = startingAttribute;
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, startingAttribute);
int p0 = 0;
while (p0 < message.Length)
{
int p1 = p0;
while (p1 < message.Length && message[p1] >= 32)
{
p1++;
}
// text
if (p1 != p0)
{
output.Write(message.Substring(p0, p1 - p0));
}
if (p1 >= message.Length)
{
p0 = p1;
break;
}
// control characters
char c1 = message[p1];
char c2 = (char)0;
if (p1 + 1 < message.Length)
{
c2 = message[p1 + 1];
}
if (c1 == '\a' && c2 == '\a')
{
output.Write('\a');
p0 = p1 + 2;
continue;
}
if (c1 == '\r' || c1 == '\n')
{
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, defaultAttribute);
output.Write(c1);
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, _colorStack[colorStackLength - 1]);
p0 = p1 + 1;
continue;
}
if (c1 == '\a')
{
if (c2 == 'X')
{
colorStackLength--;
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, _colorStack[colorStackLength - 1]);
p0 = p1 + 2;
continue;
}
else
{
ConsoleOutputColor foreground = (ConsoleOutputColor)(int)(c2 - 'A');
ConsoleOutputColor background = (ConsoleOutputColor)(int)(message[p1 + 2] - 'A');
ushort newColor = ColorFromForegroundAndBackground(
_colorStack[colorStackLength - 1], foreground, background);
_colorStack[colorStackLength++] = newColor;
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, newColor);
p0 = p1 + 3;
continue;
}
}
output.Write(c1);
p0 = p1 + 1;
}
if (p0 < message.Length)
{
output.Write(message.Substring(p0));
}
}
}
private void Output(LogEventInfo logEvent, string message)
{
IntPtr hConsole = ConsoleWin32Api.GetStdHandle(ErrorStream ? ConsoleWin32Api.STD_ERROR_HANDLE : ConsoleWin32Api.STD_OUTPUT_HANDLE);
ConsoleWin32Api.CONSOLE_SCREEN_BUFFER_INFO csbi;
ConsoleWin32Api.GetConsoleScreenBufferInfo(hConsole, out csbi);
ConsoleRowHighlightingRule matchingRule = null;
foreach (ConsoleRowHighlightingRule cr in RowHighlightingRules)
{
if (cr.CheckCondition(logEvent))
{
matchingRule = cr;
break;
}
}
if (UseDefaultRowHighlightingRules && matchingRule == null)
{
foreach (ConsoleRowHighlightingRule cr in _defaultConsoleRowHighlightingRules)
{
if (cr.CheckCondition(logEvent))
{
matchingRule = cr;
break;
}
}
}
if (matchingRule == null)
{
matchingRule = ConsoleRowHighlightingRule.Default;
}
ushort newColor = ColorFromForegroundAndBackground(csbi.wAttributes, matchingRule.ForegroundColor, matchingRule.BackgroundColor);
message = message.Replace("\a", "\a\a");
foreach (ConsoleWordHighlightingRule hl in WordHighlightingRules)
{
message = hl.ReplaceWithEscapeSequences(message);
}
if (ErrorStream)
{
ColorizeEscapeSequences(Console.Error, hConsole, message, newColor, csbi.wAttributes);
}
else
{
ColorizeEscapeSequences(Console.Out, hConsole, message, newColor, csbi.wAttributes);
}
ConsoleWin32Api.CONSOLE_SCREEN_BUFFER_INFO csbi2;
ConsoleWin32Api.GetConsoleScreenBufferInfo(hConsole, out csbi2);
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, csbi.wAttributes);
int xsize = csbi2.dwSize.x;
int xpos = csbi2.dwCursorPosition.x;
uint written = 0;
ConsoleWin32Api.FillConsoleOutputAttribute(hConsole, newColor, xsize - xpos, csbi2.dwCursorPosition, out written);
ConsoleWin32Api.SetConsoleTextAttribute(hConsole, csbi.wAttributes);
if (ErrorStream)
{
Console.Error.WriteLine();
}
else
{
Console.WriteLine();
}
}