private bool IsInEmptyCodeBlock([NotNull] ITextControl textControl)
{
var lexer = GetCachingLexer(textControl);
if (lexer == null)
{
return(false);
}
int caretOffset = textControl.Caret.Offset();
if (!WebTypingAssistUtil.FindTokenAt(lexer, caretOffset))
{
return(false);
}
if (!(lexer.TokenType is T4TokenNodeType tokenType))
{
return(false);
}
if (tokenType != T4TokenNodeTypes.BLOCK_END)
{
return(false);
}
if (caretOffset != lexer.TokenStart)
{
return(false);
}
lexer.Advance(-1);
var prevToken = lexer.TokenType;
if (prevToken != null && T4TokenNodeTypes.CodeBlockStarts[prevToken])
{
return(true);
}
return(false);
}
protected override bool IsSupported(ITextControl textControl)
{
if (!WebTypingAssistUtil.IsProjectFileSupported <T4ProjectFileType, CSharpLanguage>(textControl, Solution))
{
return(false);
}
if (WebTypingAssistUtil.IsSupported <ICSharpTokenNodeType>(GetCachingLexer(textControl), textControl))
{
return(true);
}
return(IsInEmptyCodeBlock(textControl));
}
/// <summary>
/// Gets whether a given text control is supported by the assistant.
/// </summary>
/// <param name="textControl">The text control to check.</param>
/// <returns><c>true</c> if <paramref name="textControl"/> is a T4 file with C# code behind, <c>false</c> otherwise.</returns>
protected override bool IsSupported(ITextControl textControl)
{
return(WebTypingAssistUtil.IsProjectFileSupported <T4ProjectFileType, CSharpLanguage>(textControl, Solution));
}
