/// <summary>
/// Checks and <see cref="IParsingResultsDictionary"/> for errors
/// and acts according to settings <see cref="IUsingParsingResults.ParsingErrorBehavior"/>
/// and if <see cref="IUsingParsingResults.ErrorFunction"/> is set,
/// by either throwing an exception if necessary and expected
/// or invoking <see cref="IUsingParsingResults.ErrorFunction"/> respectively.
/// </summary>
/// <param name="resultsParserUtilizer">The results parser utilizer.</param>
/// <param name="resultsDictionary">The results dictionary.</param>
/// <returns>The <see cref="IParsingResultsDictionary"/> provided as <paramref name="resultsDictionary"/></returns>
public static IParsingResultsDictionary HandleResultsErrors(this IUsingParsingResults resultsParserUtilizer, IParsingResultsDictionary resultsDictionary)
{
if (!resultsDictionary.HasErrors)
{
return(resultsDictionary);
}
if (resultsParserUtilizer.ErrorFunction != null)
{
return(handleErrorsWithFunction(resultsParserUtilizer.ParsingErrorBehavior, resultsDictionary, resultsParserUtilizer.ErrorFunction));
}
switch (resultsParserUtilizer.ParsingErrorBehavior)
{
case ParsingResultsErrorBehavior.None:
return(resultsDictionary);
case ParsingResultsErrorBehavior.OnFirstError:
throw resultsDictionary.Errors.First();
default:
case ParsingResultsErrorBehavior.Aggregate:
throw new AggregateException(resultsDictionary.Errors);
}
}
public static IDictionary <string, string> ToDictionary(this IParsingResultsDictionary parsingResults) => parsingResults.ToDictionary(p => p.Key, p => p.Value);
private static IParsingResultsDictionary handleErrorsWithFunction(ParsingResultsErrorBehavior errorBehavior, IParsingResultsDictionary resultsDictionary, Action <IEnumerable <Exception> > errorFunction)
{
switch (errorBehavior)
{
case ParsingResultsErrorBehavior.OnFirstError:
errorFunction(resultsDictionary.Errors.First().AsEnumerable().ToList());
break;
case ParsingResultsErrorBehavior.Aggregate:
errorFunction(resultsDictionary.Errors.ToList());
break;
}
return(ParsingResultsDictionary.CreateFailed(resultsDictionary.Errors.ToList()));
}
