System.Xml.XmlTextReaderImpl.RegisterEntity C# (CSharp) Méthode

        private void RegisterEntity(IDtdEntityInfo entity)
        {
            // check entity recursion
            if (_currentEntities != null)
            {
                if (_currentEntities.ContainsKey(entity))
                {
                    Throw(entity.IsParameterEntity ? SR.Xml_RecursiveParEntity : SR.Xml_RecursiveGenEntity, entity.Name,
                        _parsingStatesStack[_parsingStatesStackTop].LineNo, _parsingStatesStack[_parsingStatesStackTop].LinePos);
                }
            }

            // save the entity to parsing state & assign it an ID
            _ps.entity = entity;
            _ps.entityId = _nextEntityId++;

            // register entity for recursion checkes
            if (entity != null)
            {
                if (_currentEntities == null)
                {
                    _currentEntities = new Dictionary<IDtdEntityInfo, IDtdEntityInfo>();
                }
                _currentEntities.Add(entity, entity);
            }
        }