void FormatLineInternal(ITextEditor editor, int lineNr, int cursorOffset, char ch)
{
string terminator = DocumentUtilitites.GetLineTerminator(editor.Document, lineNr);
doCasing = PropertyService.Get("VBBinding.TextEditor.EnableCasing", true);
doInsertion = PropertyService.Get("VBBinding.TextEditor.EnableEndConstructs", true);
IDocumentLine currentLine = editor.Document.GetLine(lineNr);
IDocumentLine lineAbove = lineNr > 1 ? editor.Document.GetLine(lineNr - 1) : null;
string curLineText = currentLine == null ? "" : currentLine.Text;
string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
if (ch == '\'')
{
InsertDocumentationComments(editor, lineNr, cursorOffset);
}
if (ch == '\n' && lineAboveText != null)
{
if (LanguageUtils.IsInsideDocumentationComment(editor, lineAbove, lineAbove.EndOffset))
{
editor.Document.Insert(cursorOffset, "''' ");
return;
}
string textToReplace = lineAboveText.TrimLine();
if (doCasing)
{
DoCasingOnLine(lineAbove, textToReplace, editor);
}
if (doInsertion)
{
DoInsertionOnLine(terminator, currentLine, lineAbove, textToReplace, editor, lineNr);
}
if (IsInString(lineAboveText))
{
if (IsFinishedString(curLineText))
{
editor.Document.Insert(lineAbove.EndOffset, "\" & _");
editor.Document.Insert(currentLine.Offset, "\"");
}
else
{
editor.Document.Insert(lineAbove.EndOffset, "\"");
}
}
else
{
string indent = DocumentUtilitites.GetWhitespaceAfter(editor.Document, lineAbove.Offset);
if (indent.Length > 0)
{
string newLineText = indent + currentLine.Text.Trim();
editor.Document.Replace(currentLine.Offset, currentLine.Length, newLineText);
}
editor.Caret.Column = indent.Length + 1;
}
IndentLines(editor, lineNr - 1, lineNr);
}
else if (ch == '>')
{
if (LanguageUtils.IsInsideDocumentationComment(editor, currentLine, cursorOffset))
{
int column = editor.Caret.Offset - currentLine.Offset;
int index = Math.Min(column - 1, curLineText.Length - 1);
while (index > 0 && curLineText[index] != '<')
{
--index;
if (curLineText[index] == '/')
{
return; // the tag was an end tag or already
}
}
if (index > 0)
{
StringBuilder commentBuilder = new StringBuilder("");
for (int i = index; i < curLineText.Length && i < column && !Char.IsWhiteSpace(curLineText[i]); ++i)
{
commentBuilder.Append(curLineText[i]);
}
string tag = commentBuilder.ToString().Trim();
if (!tag.EndsWith(">", StringComparison.OrdinalIgnoreCase))
{
tag += ">";
}
if (!tag.StartsWith("/", StringComparison.OrdinalIgnoreCase))
{
string endTag = "</" + tag.Substring(1);
editor.Document.Insert(editor.Caret.Offset, endTag);
editor.Caret.Offset -= endTag.Length;
}
}
}
}
}
public CodeCompletionKeyPressResult HandleKeyPress(ITextEditor editor, char ch)
{
if (LanguageUtils.IsInsideDocumentationComment(editor) && ch == '<')
{
new CommentCompletionItemProvider().ShowCompletion(editor);
return(CodeCompletionKeyPressResult.Completed);
}
if (IsInComment(editor) || IsInString(editor))
{
return(CodeCompletionKeyPressResult.None);
}
if (editor.SelectionLength > 0)
{
// allow code completion when overwriting an identifier
int endOffset = editor.SelectionStart + editor.SelectionLength;
// but block code completion when overwriting only part of an identifier
if (endOffset < editor.Document.TextLength && char.IsLetterOrDigit(editor.Document.GetCharAt(endOffset)))
{
return(CodeCompletionKeyPressResult.None);
}
editor.Document.Remove(editor.SelectionStart, editor.SelectionLength);
}
VBNetExpressionFinder ef = new VBNetExpressionFinder(ParserService.GetParseInformation(editor.FileName));
ExpressionResult result;
switch (ch)
{
case '(':
if (CodeCompletionOptions.InsightEnabled)
{
IInsightWindow insightWindow = editor.ShowInsightWindow(new MethodInsightProvider().ProvideInsight(editor));
if (insightWindow != null)
{
insightHandler.InitializeOpenedInsightWindow(editor, insightWindow);
insightHandler.HighlightParameter(insightWindow, 0);
}
return(CodeCompletionKeyPressResult.Completed);
}
break;
case ',':
if (CodeCompletionOptions.InsightRefreshOnComma && CodeCompletionOptions.InsightEnabled)
{
IInsightWindow insightWindow;
if (insightHandler.InsightRefreshOnComma(editor, ch, out insightWindow))
{
return(CodeCompletionKeyPressResult.Completed);
}
}
break;
case '\n':
TryDeclarationTypeInference(editor, editor.Document.GetLineForOffset(editor.Caret.Offset));
break;
case '.':
string w = editor.GetWordBeforeCaret(); int index = w.IndexOf('.');
if (index > -1 && w.Length - index == 2)
{
index = editor.Caret.Offset - 2;
}
else
{
index = editor.Caret.Offset;
}
result = ef.FindExpression(editor.Document.Text, index);
LoggingService.Debug("CC: After dot, result=" + result + ", context=" + result.Context);
if (ShowCompletion(result, editor, ch))
{
return(CodeCompletionKeyPressResult.Completed);
}
else
{
return(CodeCompletionKeyPressResult.None);
}
case '@':
if (editor.Caret.Offset > 0 && editor.Document.GetCharAt(editor.Caret.Offset - 1) == '.')
{
return(CodeCompletionKeyPressResult.None);
}
goto default;
case ' ':
editor.Document.Insert(editor.Caret.Offset, " ");
result = ef.FindExpression(editor.Document.Text, editor.Caret.Offset);
string word = editor.GetWordBeforeCaret().Trim();
if (word.Equals("overrides", StringComparison.OrdinalIgnoreCase) || word.Equals("return", StringComparison.OrdinalIgnoreCase) || !LiteralMayFollow((BitArray)result.Tag) && !OperatorMayFollow((BitArray)result.Tag) && ExpressionContext.IdentifierExpected != result.Context)
{
LoggingService.Debug("CC: After space, result=" + result + ", context=" + result.Context);
ShowCompletion(result, editor, ch);
}
return(CodeCompletionKeyPressResult.EatKey);
default:
if (CodeCompletionOptions.CompleteWhenTyping)
{
int cursor = editor.Caret.Offset;
char prevChar = cursor > 1 ? editor.Document.GetCharAt(cursor - 1) : ' ';
char ppChar = cursor > 2 ? editor.Document.GetCharAt(cursor - 2) : ' ';
result = ef.FindExpression(editor.Document.Text, cursor);
if ((result.Context != ExpressionContext.IdentifierExpected && char.IsLetter(ch)) &&
(!char.IsLetterOrDigit(prevChar) && prevChar != '.'))
{
if (prevChar == '@' && ppChar == '.')
{
return(CodeCompletionKeyPressResult.None);
}
if (IsTypeCharacter(ch, prevChar))
{
return(CodeCompletionKeyPressResult.None);
}
if (prevChar == '_')
{
result.Expression = '_' + result.Expression;
result.Region = new DomRegion(result.Region.BeginLine, result.Region.BeginColumn - 1, result.Region.EndLine, result.Region.EndColumn);
}
LoggingService.Debug("CC: Beginning to type a word, result=" + result + ", context=" + result.Context);
ShowCompletion(result, editor, ch);
return(CodeCompletionKeyPressResult.CompletedIncludeKeyInCompletion);
}
}
break;
}
return(CodeCompletionKeyPressResult.None);
}
