public override int FormatSpan(IVsTextLines buffer, TextSpan[] ts)
{
foreach (TextSpan span in ts)
{
// Set the indentation of each line in the snippet to match the first
// line.
LanguagePreferences prefs = Source.LanguageService.Preferences;
char indentChar = prefs.InsertTabs ? '\t' : ' ';
int level = CMakeParsing.GetIndentationLevel(
Source.GetLine(span.iStartLine), indentChar);
for (int i = span.iStartLine + 1; i <= span.iEndLine; ++i)
{
Source.SetText(i, 0, i, 0, new string(indentChar, level));
}
}
return(VSConstants.S_OK);
}
public override bool HandleSmartIndent()
{
// If the line contains an outer opening parenthesis, intent by one level.
// If the line contains an outer closing parenthesis, unindent to match the
// level of the corresponding opening parenthesis. In all other cases,
// match the indentation level of the previous line.
LanguagePreferences prefs = Source.LanguageService.Preferences;
char indentChar = prefs.InsertTabs ? '\t' : ' ';
int line;
int col;
TextView.GetCaretPos(out line, out col);
List <string> lines = Source.GetLines().ToList();
int prevLine = CMakeParsing.GetLastNonEmptyLine(lines, line - 1);
int level = CMakeParsing.GetIndentationLevel(lines[prevLine], indentChar);
int lineToMatch;
if (CMakeParsing.ShouldIndent(lines, prevLine))
{
level += prefs.InsertTabs ? 1 : prefs.IndentSize;
}
else if (CMakeParsing.ShouldUnindent(lines, prevLine, out lineToMatch))
{
if (lineToMatch < 0)
{
level = 0;
}
else
{
level = CMakeParsing.GetIndentationLevel(lines[lineToMatch], indentChar);
}
}
int oldIndentLen = 0;
while (oldIndentLen < lines[line].Length &&
lines[line][oldIndentLen] == indentChar)
{
oldIndentLen++;
}
Source.SetText(line, 0, line, oldIndentLen, new string(indentChar, level));
TextView.PositionCaretForEditing(line, level);
return(true);
}