Microsoft.CodeAnalysis.Sarif.ExtensionMethods.Populate C# (CSharp) Method

        public static void Populate(this Region region, NewLineIndex newLineIndex)
        {
            if (region == null)
            {
                throw new ArgumentNullException(nameof(region));
            }

            if (newLineIndex == null)
            {
                throw new ArgumentNullException(nameof(newLineIndex));
            }

            // A call to Populate is an implicit indicator that we are working
            // with a text region (otherwise the offset and length would be
            // sufficient data to constitute the region).

            if (region.StartLine == 0)
            {
                OffsetInfo offsetInfo = newLineIndex.GetOffsetInfoForOffset(region.Offset);
                region.StartLine = offsetInfo.LineNumber;
                region.StartColumn = offsetInfo.ColumnNumber;

                offsetInfo = newLineIndex.GetOffsetInfoForOffset(region.Offset + region.Length);
                region.EndLine = offsetInfo.LineNumber;
                region.EndColumn = offsetInfo.ColumnNumber;
            }
            else
            {
                // Make endColumn and endLine explicit, if not expressed
                if (region.EndLine == 0) { region.EndLine = region.StartLine; }
                if (region.StartColumn == 0) { region.StartColumn = 1; }
                if (region.EndColumn == 0) { region.EndColumn = region.StartColumn; }

                LineInfo lineInfo = newLineIndex.GetLineInfoForLine(region.StartLine);
                region.Offset = lineInfo.StartOffset + (region.StartColumn - 1);

                lineInfo = newLineIndex.GetLineInfoForLine(region.EndLine);
                region.Length = lineInfo.StartOffset + (region.EndColumn - 1) - region.Offset;
            }
        }