public override void EnsureSpanVisible(HexBufferLine line, VST.Span span, VSTE.EnsureSpanVisibleOptions options) {
if (line == null)
throw new ArgumentNullException(nameof(line));
if (line.Buffer != hexView.Buffer)
throw new ArgumentException();
EnsureSpanVisibleCore(new HexLineSpan(line, span), options);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="line">Line</param>
/// <param name="textSpan">Text span</param>
public HexLineSpan(HexBufferLine line, VST.Span textSpan) {
if (line == null)
throw new ArgumentNullException(nameof(line));
BufferSpan = line.BufferSpan;
SelectionFlags = null;
TextSpan = textSpan;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="line">Line</param>
/// <param name="textSpan">Text span</param>
public HexLineSpan(HexBufferLine line, VST.Span textSpan)
{
if (line == null)
{
throw new ArgumentNullException(nameof(line));
}
BufferSpan = line.BufferSpan;
SelectionFlags = null;
TextSpan = textSpan;
}
IEnumerable<KeyValuePair<LineElementKind, int>> GetColumnPositions(HexBufferLine line) {
var columns = line.ColumnOrder.Where(a => line.IsColumnPresent(a)).ToArray();
for (int i = 1; i < columns.Length; i++) {
Debug.Assert(i < 3);
if (i >= 3)
break;
var colSpan1 = line.LineProvider.GetColumnSpan(columns[i - 1]);
var colSpan2 = line.LineProvider.GetColumnSpan(columns[i]);
Debug.Assert(colSpan1.End < colSpan2.Start);
var kind = i == 1 ? LineElementKind.Column0 : LineElementKind.Column1;
yield return new KeyValuePair<LineElementKind, int>(kind, colSpan1.End);
}
if (line.IsValuesColumnPresent) {
var spanInfos = line.GetValuesSpans(line.BufferSpan, HexSpanSelectionFlags.Group0 | HexSpanSelectionFlags.Group1).ToArray();
for (int i = 1; i < spanInfos.Length; i++) {
Debug.Assert(spanInfos[i - 1].TextSpan.End == spanInfos[i].TextSpan.Start);
int linePosition = spanInfos[i - 1].TextSpan.End - 1;
var kind = i % 2 == 1 ? LineElementKind.Group0 : LineElementKind.Group1;
yield return new KeyValuePair<LineElementKind, int>(kind, linePosition);
}
}
}
