private List<HighlightingRange> HighlightLine(string line)
{
var ranges = new List<HighlightingRange>();
if (_highlightingRules != null)
{
for (var i = 0; i < _highlightingRules.Length; ++i)
{
var matches = _highlightingRules[i].Pattern.Matches(line);
foreach (Match m in matches)
{
var cnd = new HighlightingRange
{
Color = _highlightingRules[i].Color,
Start = m.Groups[1].Index,
Length = m.Groups[1].Length
};
if (!Intersects(ranges, cnd))
{
ranges.Add(cnd);
}
}
}
}
ranges.Sort((a, b) => a.Start.CompareTo(b.Start));
return ranges;
}
private bool Intersects(List<HighlightingRange> ranges, HighlightingRange r)
{
for (var i = 0; i < ranges.Count; ++i)
{
if (!(r.Start > ranges[i].Start + ranges[i].Length || r.Start + r.Length < ranges[i].Start))
return true;
}
return false;
}