System.Xml.DtdParser.ParseCondSection C# (CSharp) Méthode

        private void ParseCondSection()
        {
            int csEntityId = _currentEntityId;

            switch (GetToken(false))
            {
                case Token.INCLUDE:
                    if (GetToken(false) != Token.LeftBracket)
                    {
                        goto default;
                    }
#if !SILVERLIGHT
                    if (_validate && csEntityId != _currentEntityId)
                    {
                        SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
                    }
                    if (_validate)
                    {
                        if (_condSectionEntityIds == null)
                        {
                            _condSectionEntityIds = new int[CondSectionEntityIdsInitialSize];
                        }
                        else if (_condSectionEntityIds.Length == _condSectionDepth)
                        {
                            int[] tmp = new int[_condSectionEntityIds.Length * 2];
                            Array.Copy(_condSectionEntityIds, 0, tmp, 0, _condSectionEntityIds.Length);
                            _condSectionEntityIds = tmp;
                        }
                        _condSectionEntityIds[_condSectionDepth] = csEntityId;
                    }
#endif
                    _condSectionDepth++;
                    break;
                case Token.IGNORE:
                    if (GetToken(false) != Token.LeftBracket)
                    {
                        goto default;
                    }
#if !SILVERLIGHT
                    if (_validate && csEntityId != _currentEntityId)
                    {
                        SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
                    }
#endif
                    // the content of the ignore section is parsed & skipped by scanning function
                    if (GetToken(false) != Token.CondSectionEnd)
                    {
                        goto default;
                    }
#if !SILVERLIGHT
                    if (_validate && csEntityId != _currentEntityId)
                    {
                        SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
                    }
#endif
                    break;
                default:
                    OnUnexpectedError();
                    break;
            }
        }