public BlockBoundaryArtifact(CodeBlockInfo blockInfo, BoundaryType type)
: base(ArtifactTreatAs.Code, type == BoundaryType.Start ? blockInfo.OuterStart : blockInfo.OuterEnd, 0, 0, MarkdownClassificationTypes.MarkdownCode, true)
{
BlockInfo = blockInfo;
Boundary = type;
// Replace the BlockInfo's TextRanges with our created
// artifacts so that they will be adjusted as the user
// edits the text. TextRangeCollection shifts existing
// artifacts as the user types elsewhere.
if (type == BoundaryType.Start)
BlockInfo.OuterStart = this;
else
BlockInfo.OuterEnd = this;
}
public CodeLineArtifact(CodeBlockInfo blockInfo, ITextRange range, int leftLength, int rightLength)
: base(ArtifactTreatAs.Code, range, leftLength, rightLength, MarkdownClassificationTypes.MarkdownCode, true)
{
if (blockInfo == null) throw new ArgumentNullException("blockInfo");
BlockInfo = blockInfo;
}
protected override bool ReadContent()
{
SkipSpaces(3);
var sepStart = stream.Position;
if (TryConsume("```"))
fence = "```";
else if (TryConsume("~~~"))
fence = "~~~";
else
return false;
blockInfo = new CodeBlockInfo { OuterStart = TextRange.FromBounds(sepStart, stream.Position) };
var langRange = TryConsumeContentLine();
if (langRange != null)
blockInfo.Language = stream.GetSubstringAt(langRange.Start, langRange.Length);
while (true)
{
var range = TryConsumeContentLine();
if (range == null)
break;
ReportArtifact(new CodeLineArtifact(blockInfo, range, 0, 0));
}
// If the stream ended without a closing fence, give an empty end.
if (blockInfo.OuterEnd == null)
blockInfo.OuterEnd = new TextRange(stream.Length, 0);
return true;
}
protected override bool ReadContent()
{
var blockInfo = new CodeBlockInfo { OuterStart = new TextRange(stream.Position, 0) };
lineStart = stream.Position;
if (!TryReadSpaces(spaceCount))
return false;
while (true)
{
var thisLineStart = lineStart;
var range = TryConsumeContentLine();
if (range == null)
break;
blockInfo.OuterEnd = new TextRange(range.End, 0);
// Get the character count of the indent, which may be different if tabs are involved.
var indentSize = range.Start - thisLineStart;
range.Expand(-indentSize, 0);
ReportArtifact(new CodeLineArtifact(blockInfo, range, indentSize, 0));
}
return true;
}
