protected virtual SnapshotSpan CommentLines(SnapshotSpan span, ITextEdit edit, LineCommentFormat format)
{
Contract.Requires<ArgumentNullException>(edit != null, "edit");
Contract.Requires<ArgumentNullException>(format != null, "format");
/*
* Rules for line comments:
* Make sure line comments are indented as far as possible, skipping empty lines as necessary
* Don't comment N+1 lines when only N lines were selected my clicking in the left margin
*/
if (span.End.GetContainingLine().LineNumber > span.Start.GetContainingLine().LineNumber && span.End.GetContainingLine().Start == span.End)
{
SnapshotPoint start = span.Start;
SnapshotPoint end = span.Snapshot.GetLineFromLineNumber(span.End.GetContainingLine().LineNumber - 1).Start;
if (end < start)
start = end;
span = new SnapshotSpan(start, end);
}
int minindex = (from i in Enumerable.Range(span.Start.GetContainingLine().LineNumber, span.End.GetContainingLine().LineNumber - span.Start.GetContainingLine().LineNumber + 1)
where span.Snapshot.GetLineFromLineNumber(i).GetText().Trim().Length > 0
select ScanToNonWhitespaceChar(span.Snapshot.GetLineFromLineNumber(i)))
.Min();
//comment each line
for (int line = span.Start.GetContainingLine().LineNumber; line <= span.End.GetContainingLine().LineNumber; line++)
{
if (span.Snapshot.GetLineFromLineNumber(line).GetText().Trim().Length > 0)
edit.Insert(span.Snapshot.GetLineFromLineNumber(line).Start + minindex, format.StartText);
}
span = new SnapshotSpan(span.Start.GetContainingLine().Start, span.End.GetContainingLine().End);
return span;
}
protected virtual SnapshotSpan CommentLines(SnapshotSpan span, ITextEdit edit, LineCommentFormat format)
{
Contract.Requires <ArgumentNullException>(edit != null, "edit");
Contract.Requires <ArgumentNullException>(format != null, "format");
/*
* Rules for line comments:
* Make sure line comments are indented as far as possible, skipping empty lines as necessary
* Don't comment N+1 lines when only N lines were selected my clicking in the left margin
*/
if (span.End.GetContainingLine().LineNumber > span.Start.GetContainingLine().LineNumber&& span.End.GetContainingLine().Start == span.End)
{
SnapshotPoint start = span.Start;
SnapshotPoint end = span.Snapshot.GetLineFromLineNumber(span.End.GetContainingLine().LineNumber - 1).Start;
if (end < start)
{
start = end;
}
span = new SnapshotSpan(start, end);
}
int minindex = (from i in Enumerable.Range(span.Start.GetContainingLine().LineNumber, span.End.GetContainingLine().LineNumber - span.Start.GetContainingLine().LineNumber + 1)
where span.Snapshot.GetLineFromLineNumber(i).GetText().Trim().Length > 0
select ScanToNonWhitespaceChar(span.Snapshot.GetLineFromLineNumber(i)))
.Min();
//comment each line
for (int line = span.Start.GetContainingLine().LineNumber; line <= span.End.GetContainingLine().LineNumber; line++)
{
if (span.Snapshot.GetLineFromLineNumber(line).GetText().Trim().Length > 0)
{
edit.Insert(span.Snapshot.GetLineFromLineNumber(line).Start + minindex, format.StartText);
}
}
span = new SnapshotSpan(span.Start.GetContainingLine().Start, span.End.GetContainingLine().End);
return(span);
}
