public bool ShouldBeHighlighted(RichCommandLineContext readerContext, HighlighterContext highlighterContext)
{
// don't even try mark tokens as invalid unless the cursor is on it
if (readerContext.BufferPosition >= highlighterContext.CurrentToken.StartIndex && readerContext.BufferPosition < highlighterContext.CurrentToken.EndIndex)
{
return(false);
}
var currentToken = highlighterContext.CurrentToken.Value;
var previousToken = PowerArgsRichCommandLineReader.FindPreviousNonWhitespaceToken(readerContext, highlighterContext);
var firstToken = readerContext.Tokens[0].Value;
CommandLineAction contextualAction = PowerArgsRichCommandLineReader.FindContextualAction(firstToken, definition);
CommandLineArgument contextualArgument = PowerArgsRichCommandLineReader.FindContextualArgument(previousToken, contextualAction, definition);
if (contextualArgument != null)
{
if (contextualArgument.TestIsValidAndRevivable(currentToken) == false)
{
// the current token either failed validation or could not be revived
return(true);
}
}
bool expectMatchingArg;
CommandLineArgument currentTokenArgument = PowerArgsRichCommandLineReader.FindCurrentTokenArgument(contextualAction, currentToken, out expectMatchingArg, definition);
if (currentTokenArgument == null && expectMatchingArg)
{
// The current token starts with a - or /, but does not match a global or action specific argument, so we'll highlight the token red
return(true);
}
return(false);
}
