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

        private void InitializeFreeFloatingDtd(string baseUri, string docTypeName, string publicId, string systemId, string internalSubset, IDtdParserAdapter adapter)
        {
            Initialize(adapter);

            if (docTypeName == null || docTypeName.Length == 0)
            {
                throw XmlConvert.CreateInvalidNameArgumentException(docTypeName, nameof(docTypeName));
            }

            // check doctype name
            XmlConvert.VerifyName(docTypeName);
            int colonPos = docTypeName.IndexOf(':');
            if (colonPos == -1)
            {
                _schemaInfo.DocTypeName = new XmlQualifiedName(_nameTable.Add(docTypeName));
            }
            else
            {
                _schemaInfo.DocTypeName = new XmlQualifiedName(_nameTable.Add(docTypeName.Substring(0, colonPos)),
                                                               _nameTable.Add(docTypeName.Substring(colonPos + 1)));
            }

            int i;
            // check system id
            if (systemId != null && systemId.Length > 0)
            {
                if ((i = _xmlCharType.IsOnlyCharData(systemId)) >= 0)
                {
                    ThrowInvalidChar(_curPos, systemId, i);
                }
                _systemId = systemId;
            }

            // check public id
            if (publicId != null && publicId.Length > 0)
            {
                if ((i = _xmlCharType.IsPublicId(publicId)) >= 0)
                {
                    ThrowInvalidChar(_curPos, publicId, i);
                }
                _publicId = publicId;
            }

            // init free-floating internal subset
            if (internalSubset != null && internalSubset.Length > 0)
            {
                _readerAdapter.PushInternalDtd(baseUri, internalSubset);
                _hasFreeFloatingInternalSubset = true;
            }

            Uri baseUriOb = _readerAdapter.BaseUri;
            if (baseUriOb != null)
            {
                _documentBaseUri = baseUriOb.ToString();
            }

            _freeFloatingDtd = true;
        }