using System.Collections.Generic; namespace System.Configuration { internal static class ErrorsHelper { internal static int GetErrorCount(List<ConfigurationException> errors) { if (errors == null) return 0; return errors.Count; } internal static bool GetHasErrors(List<ConfigurationException> errors) { return GetErrorCount(errors) > 0; } internal static void AddError(ref List<ConfigurationException> errors, ConfigurationException e) { if (errors == null) errors = new List<ConfigurationException>(); ConfigurationErrorsException ex = e as ConfigurationErrorsException; if (ex == null) errors.Add(e); else { ICollection<ConfigurationException> errorsGeneric = ex.ErrorsGeneric; if (errorsGeneric.Count == 1) errors.Add(e); else errors.AddRange(errorsGeneric); } } internal static void AddErrors(ref List<ConfigurationException> errors, ICollection<ConfigurationException> coll) { if (coll != null && coll.Count != 0) { foreach (ConfigurationException item in coll) { AddError(ref errors, item); } } } internal static ConfigurationErrorsException GetErrorsException(List<ConfigurationException> errors) { if (errors == null) return null; return new ConfigurationErrorsException(errors); } internal static void ThrowOnErrors(List<ConfigurationException> errors) { ConfigurationErrorsException errorsException = GetErrorsException(errors); if (errorsException != null) throw errorsException; } } }