public ColumnNumberWithOffset GetColumn(TextLocation location)
{
var lines = Lines;
var currentLineIndex = location.Line - 1;
var currentColumnIndex = location.Column - 1;
var currentLine = lines[currentLineIndex];
var sum = 0;
var i = 0;
while (currentLine.Length > i && sum <= currentColumnIndex)
{
sum += currentLine[i];
i++;
}
var column = new ColumnNumberWithOffset
{
ColumnNumber = i - 1,
OffsetInLine = sum,
Length = currentLine[i - 1]
};
return(column);
}
public override int GetFirstInterestedOffset(int startOffset)
{
if (Lines == null)
{
return(startOffset);
}
var location = CurrentContext.Document.GetLocation(startOffset);
var columnNumberWithOffset = GetColumn(location);
var locationLine = location.Line;
if (columnNumberWithOffset.ColumnNumber == ColumnWidth.Length - 1)
{
if (Lines.Length == locationLine)
{
return(CurrentContext.VisualLine.LastDocumentLine.EndOffset);
}
columnNumberWithOffset = new ColumnNumberWithOffset
{
ColumnNumber = 0,
OffsetInLine = Lines[locationLine][0]
};
locationLine++;
}
var curCellWidth = this._freezeInProgress &&
_activeRowIndex == locationLine - 1 &&
columnNumberWithOffset.ColumnNumber == _activeColumnIndex
?
_activeCellRealLength : ColumnWidth[columnNumberWithOffset.ColumnNumber];
_tabWidth = curCellWidth - Lines[locationLine - 1][columnNumberWithOffset.ColumnNumber];
try
{
return(CurrentContext.Document.GetOffset(new TextLocation(locationLine, columnNumberWithOffset.OffsetInLine)));
}
catch (Exception ex)
{
Log.Error(ex, "Failed to get first interested offset");
return(startOffset);
}
}