//实现插入{},但是{与插入行同行
private void addBrace4JSStandard()
{
m_edit.MoveToEndOfLine(false);
m_edit.InsertText("{");
m_edit.OpenLineBelow();
m_edit.InsertText("}");
m_edit.DecreaseLineIndent();
m_edit.MoveLineUp(false);
m_edit.MoveToEndOfLine(false);
m_edit.OpenLineBelow();
}
int?ISmartIndent.GetDesiredIndentation(ITextSnapshotLine line)
{
var snap = _textView.TextSnapshot;
// get all of the previous lines
var lines = snap.Lines.Reverse().Skip(snap.LineCount - line.LineNumber);
foreach (ITextSnapshotLine prevLine in lines)
{
var text = prevLine.GetText();
if (text.All(c2 => System.Char.IsWhiteSpace(c2)))
{
continue;
}
var toks = Utils.LexString(text).ToList();
if (toks.Last().Type == RustLexer.RustLexer.LBRACE)
{
return(prevLine.GetText().TakeWhile(c2 => c2 == ' ').Count() + 4);
}
else if (toks.Any(tok => tok.Type == RustLexer.RustLexer.RBRACE))
{
ed.MoveLineUp(false);
ed.DecreaseLineIndent();
ed.MoveLineDown(false);
return(prevLine.GetText().TakeWhile(c2 => c2 == ' ').Count());
}
}
// otherwise, there are no lines ending in braces before us.
return(null);
}
