public DetectionResult DetectIfRequired(CodeFile codeFile, IEnumerable <Language> languages = null)
{
DetectionResult result = null;
if ((languages?.Count() ?? 0) == 1)
{
result = new DetectionResult(languages.First());
}
else if (!string.IsNullOrEmpty(codeFile.Name))
{
string[] extensions = GetExtensions(codeFile.Name);
List <Language> finalLanguages = GetLanguagesIntersection(extensions, languages);
if (finalLanguages.Count == 1 || finalLanguages.Any(final => final.Key == "CSharp"))
{
result = new DetectionResult(finalLanguages[0]);
}
else if (finalLanguages.Count > 1)
{
result = Detect(codeFile, finalLanguages);
LogDetection(result, finalLanguages, codeFile);
}
}
else
{
result = Detect(codeFile, languages);
LogDetection(result, languages ?? LanguageUtils.Languages.Values, codeFile);
}
return(result);
}
protected void LogDetection(DetectionResult detectionResult, IEnumerable <Language> languages, CodeFile codeFile)
{
string languagesString = string.Join(", ", languages.Select(lang => lang.Title));
if (detectionResult != null)
{
Logger.LogDebug($"Language {detectionResult.Language} (from {languagesString}) has been detected for file \"{codeFile}\". ");
}
else
{
Logger.LogDebug($"Language has not been detected from ({languagesString}) for file \"{codeFile}\". ");
}
}
public DetectionResult DetectIfRequired(TextFile sourceFile, out TimeSpan detectionTimeSpan)
{
DetectionResult result = null;
List <Language> languages = GetLanguages(sourceFile.Name);
if (languages.Count == 1 || languages.Any(language => language == Language.CSharp))
{
result = new DetectionResult(languages[0]);
}
else if (languages.Count > 1)
{
if (languages.Count == 2 && languages.Contains(Language.Html) && languages.Contains(Language.Php))
{
result = new DetectionResult(Language.Php);
}
else
{
var stopwatch = Stopwatch.StartNew();
if (languages.Any(lang => lang.IsSql()))
{
List <Language> sqls = SqlDialectDetector.Detect(sourceFile);
Logger.LogInfo($"File: {sourceFile}; Sql detection: {string.Join(", ", sqls)}");
if (sqls.Count == 1)
{
stopwatch.Stop();
detectionTimeSpan = stopwatch.Elapsed;
return(new DetectionResult(sqls[0]));
}
languages.RemoveAll(lang => lang.IsSql());
languages.AddRange(sqls);
}
ParserLanguageDetector.MaxStackSize = MaxStackSize;
result = ParserLanguageDetector.Detect(sourceFile, previousLanguage, languages);
previousLanguage = result.Language;
stopwatch.Stop();
detectionTimeSpan = stopwatch.Elapsed;
}
}
return(result);
}