private void FormatByDaxEditor()
{
int lineCont = _source.GetLineCount();
for (int line = 0; line < lineCont; line++)
{
int lineEnd = 0;
TokenInfo[] lineInfos = _source.GetColorizer().GetLineInfo(_source.GetTextLines(), line, _colorState);
if (lineInfos != null)
{
for (int i = 0; i < lineInfos.Length; i++)
{
// Store it for future usage
TokenInfo tokenInfo = lineInfos[i];
var te = new TokenEdit()
{
TokenInfo = tokenInfo
};
te.TextSpan = new TextSpan()
{
iStartLine = line, iStartIndex = tokenInfo.StartIndex, iEndLine = line, iEndIndex = tokenInfo.EndIndex + 1
};
lineEnd = tokenInfo.EndIndex + 1;
te.OriginalText = _source.GetText(te.TextSpan);
if (te.TokenInfo.Token == (int)Tokens.LEX_ERROR)
{
te = ReplaceInvalidChars(te);
}
_tokenEdits.AddLast(te);
}
}
// Insert token for EOL
var tokenInfoEOL = new TokenInfo()
{
Type = TokenType.WhiteSpace
};
var teEOL = new TokenEdit()
{
TokenInfo = tokenInfoEOL
};
teEOL.TextSpan = new TextSpan()
{
iStartLine = line, iStartIndex = lineEnd, iEndLine = line + 1, iEndIndex = 0
};
teEOL.OriginalText = Environment.NewLine;
_tokenEdits.AddLast(teEOL);
}
NormilizeWhitespaces();
InsertEol();
CheckHeadAndTail();
ApplyEdits();
}
// Help for functions and keywords. Initiated by pressing F1.
public override void UpdateLanguageContext(LanguageContextHint hint, IVsTextLines buffer, TextSpan[] ptsSelection, IVsUserContext context)
{
string searchingKeyword = null;
// Search keyword as the function that presented where cursor stays or just before it
Source source = (Source)this.GetSource(buffer);
Debug.Assert(ptsSelection.Length > 0);
int line = ptsSelection[0].iStartLine;
int endPosition = ptsSelection[0].iEndIndex;
var colorState = new DaxEditor.DaxFormatter.DummyColorState();
TokenInfo[] lineInfos = source.GetColorizer().GetLineInfo(buffer, line, colorState);
foreach (var tokenInfo in lineInfos)
{
if (!(tokenInfo.Type == TokenType.Identifier || tokenInfo.Type == TokenType.Keyword))
{
continue;
}
var span = new TextSpan();
span.iStartLine = line;
span.iEndLine = line;
span.iStartIndex = tokenInfo.StartIndex;
span.iEndIndex = tokenInfo.EndIndex + 1;
searchingKeyword = source.GetText(span);
if (span.iEndIndex >= endPosition)
{
break;
}
}
if (!string.IsNullOrEmpty(searchingKeyword))
{
ErrorHandler.ThrowOnFailure(context.RemoveAttribute(null, null));
ErrorHandler.ThrowOnFailure(context.AddAttribute(VSUSERCONTEXTATTRIBUTEUSAGE.VSUC_Usage_Lookup, "keyword", "SQL11.AS.DAXREF." + searchingKeyword + ".F1"));
}
}