protected override void ColorizeLine(DocumentLine line)
{
var ast = _abstractSyntaxTree;
if (ast is null)
{
return;
}
var theme = _theme;
if (theme is null)
{
return;
}
var start = line.Offset;
var end = line.EndOffset;
var leadingSpaces = CurrentContext.GetText(start, end - start).Text.TakeWhile(char.IsWhiteSpace).Count();
foreach (var block in EnumerateSpanningBlocks(ast, start, end))
{
if (BlockHighlighter.TryGetValue(block.Tag, out Func <Theme, Highlight> highlighter))
{
var magnify = double.NaN;
//if (block.Heading.Level == 1) magnify = theme.Header1Height;
//if (block.Heading.Level == 2) magnify = theme.Header2Height;
var length = block.Tag == BlockTag.ListItem
? Math.Min(block.SourceLength, block.ListData.Padding)
: block.SourceLength;
if (block.Tag == BlockTag.HtmlBlock &&
block.HtmlBlockType == HtmlBlockType.Comment)
{
highlighter = t => t.HighlightComment;
}
ApplyLinePart(highlighter(theme), block.SourcePosition, length, start, end, leadingSpaces, magnify);
}
foreach (var inline in EnumerateInlines(block.InlineContent)
.TakeWhile(il => il.SourcePosition < end)
.Where(il => InlineHighlighter.TryGetValue(il.Tag, out highlighter)))
{
var position = inline.SourcePosition;
var length = inline.SourceLength;
//if ((inline.Tag == InlineTag.Link || inline.Tag == InlineTag.Image)
// && inline.FirstChild?.LiteralContent != null
// && inline.FirstChild.LiteralContent != inline.TargetUrl)
//{
// var literal = inline.FirstChild.LastSibling;
// var urlPosition = literal.SourcePosition + literal.SourceLength + 1;
// var urlLength = inline.SourcePosition + inline.SourceLength - urlPosition;
// if (urlLength > 0) // check for <*****@*****.**> style links
// {
// position = urlPosition;
// length = urlLength;
// }
//}
// inlines don't magnify
ApplyLinePart(highlighter(theme), position, length, start, end, leadingSpaces, double.NaN);
}
}
}
