/// <summary>
/// Gets the span stack at the end of the specified line.
/// -> GetSpanStack(1) returns the spans at the start of the second line.
/// </summary>
/// <remarks>
/// GetSpanStack(0) is valid and will return <see cref="InitialSpanStack"/>.
/// The elements are returned in inside-out order (first element of result enumerable is the color of the innermost span).
/// </remarks>
public SpanStack GetSpanStack(int lineNumber)
{
ThrowUtil.CheckInRangeInclusive(lineNumber, "lineNumber", 0, document.LineCount);
if (firstInvalidLine <= lineNumber)
{
UpdateHighlightingState(lineNumber);
}
return(storedSpanStacks[lineNumber]);
}
/// <inheritdoc/>
public HighlightedLine HighlightLine(int lineNumber)
{
ThrowUtil.CheckInRangeInclusive(lineNumber, "lineNumber", 1, document.LineCount);
CheckIsHighlighting();
isHighlighting = true;
try {
HighlightUpTo(lineNumber - 1);
IDocumentLine line = document.GetLineByNumber(lineNumber);
HighlightedLine result = engine.HighlightLine(document, line);
UpdateTreeList(lineNumber);
return(result);
} finally {
isHighlighting = false;
}
}
/// <inheritdoc/>
public SpanStack GetSpanStack(int lineNumber)
{
ThrowUtil.CheckInRangeInclusive(lineNumber, "lineNumber", 0, document.LineCount);
if (firstInvalidLine <= lineNumber)
{
CheckIsHighlighting();
isHighlighting = true;
try {
HighlightUpTo(lineNumber + 1);
} finally {
isHighlighting = false;
}
}
return(storedSpanStacks[lineNumber]);
}
/// <inheritdoc/>
public HighlightedLine HighlightLine(int lineNumber)
{
ThrowUtil.CheckInRangeInclusive(lineNumber, "lineNumber", 1, document.LineCount);
CheckIsHighlighting();
isHighlighting = true;
try {
HighlightUpTo(lineNumber);
DocumentLine line = document.GetLineByNumber(lineNumber);
highlightedLine = new HighlightedLine(document, line);
HighlightLineAndUpdateTreeList(line, lineNumber);
return(highlightedLine);
} finally {
highlightedLine = null;
isHighlighting = false;
}
}
/// <summary>
/// Gets the text line containing the specified visual column.
/// </summary>
public TextLine GetTextLine(int visualColumn)
{
ThrowUtil.CheckInRangeInclusive(visualColumn, "visualColumn", 0, VisualLength);
if (visualColumn == VisualLength)
{
return(TextLines[TextLines.Count - 1]);
}
foreach (TextLine line in TextLines)
{
if (visualColumn < line.Length)
{
return(line);
}
else
{
visualColumn -= line.Length;
}
}
throw new InvalidOperationException("Shouldn't happen (VisualLength incorrect?)");
}