/// <summary>
/// Get current Gherkin language setting by scanning first 5 lines
/// </summary>
/// <param name="document"></param>
/// <returns>language defined in tag or English as default language</returns>
public static string CurrentLanguage(ICSharpCode.AvalonEdit.Document.TextDocument document)
{
var location = new Ast.Location();
ICSharpCode.AvalonEdit.Document.DocumentLine line = document.GetLineByNumber(1);
while (line != null)
{
string line_text = document.GetText(line.Offset, line.TotalLength);
Token token = new Token(new GherkinLine(line_text, line.LineNumber), location);
try
{
if (s_TokenMatcher.Match_Language(token) && IsSupported(token.MatchedText))
{
return(token.MatchedText);
}
if (line.LineNumber > 5)
{
return(DEFAULT_LANGUAGE);
}
line = line.NextLine;
}
catch
{
return(DEFAULT_LANGUAGE);
}
}
return(DEFAULT_LANGUAGE);
}
private bool SimpleMatchLanguage(Token token)
{
try
{
if (TokenMatcher.Match_Language(token))
{
return(true);
}
return(false);
}
catch (Exception)
{
return(false);
}
}
private void TryUpdateLanguage(string line)
{
Token token = ToToken(line);
try
{
if (TokenMatcher.Match_Language(token))
{
NotifyCurrentGherkinLanguage(token.MatchedText);
}
}
catch (Exception ex)
{
EventAggregator <StatusChangedArg> .Instance.Publish(this, new StatusChangedArg(ex.Message));
}
}