Thanks for the immediate (as usual!) answer. I'll of course use named element templates. But I would think a more sophisticated GUI, automaticaly handling these situations of ambiguity, would be of interest for more XXE users?
All the best, Alain Pierrot Le 11 juin 2004, ? 10:53, Hussein Shafie a ?crit : > Alain Pierrot wrote: >> I'm working on an implementation of the ONIX standard >> http://www.editeur.org/ >> (international standard for representing and communicating book >> industry product information, in XML ). >> The ONIX DTD >> http://www.editeur.org/onix/2.1/reference/onix-international.dtd >> is ambiguous; this feature results in an awkward situation when >> trying to use it in XXE: >> valid instances of ONIX files parse as valid and load; >> invalid instances are duly recognised but the error could >> (ideally) be more precisely spotted, >> and editing has to be done from the whole set elements from the >> DTD; > > Note that as soon as document becomes valid, XXE automatically > switches back from lenient to strict mode. > > > >> inserting elements from an ambiguous sub-tree (into a valid node) >> is simply impossible inside a valid file. >> These elements are ignored in the edition elements list. >> You can for instance try and build a second <Product> with the same >> structure as the first one in the attached file: impossible to append >> an <ISBN> element after <NotificationType>. >> Is there a (best practice) workaround? >> It would anyway be 'cool', for instance, to >> 1. be warned that the DTD is non-deterministic; >> 2. be offered the valid choices even in ambiguous nodes; >> or to be able to turn off validation in such situations? :-( > > I don't see any problem with the DTD. > > By the way, XXE does not care about the fact the DTD is deterministic > or non-deterministic. (XXE is implemented using a non-deterministic > automaton which backtracks if needed to.) > > I see a user interface problem. XXE GUI is too simple to cope with > content models such as the one listed below. > > > > Workaround #1 (ugly): > ~~~~~~~~~~~~~~~~~~~~~ > > [1] In Product, use Force deletion to delete mandatory child > NotificationType. Your document is now temporarily invalid. > > [2] Insert RecordSourceIdentifierType followed by > RecordSourceIdentifier (like the ISBN problem but simpler). > > [3] Insert before these 2 elements, a NotificationType. Your document > is now valid again. > > > > > Workaround #2 (nice): > ~~~~~~~~~~~~~~~~~~~~~ > > [1] Create an XXE configuration for ONIX. > > [2] Create several named element templates for commonly used Product > elements: > > > > --- > PS: Help|Show Content Model, which is really great to have, showed me > this for element Product: > > --- > Element Product > ~~~~~~~~~~~~~~~ > > Content model > ~~~~~~~~~~~~~ > > (RecordReference , > NotificationType , > DeletionCode? , > DeletionText? , > RecordSourceType? , > (RecordSourceIdentifierType , RecordSourceIdentifier)? , > RecordSourceName? , > (((ISBN , EAN13? , UPC? , PublisherProductNo? , ISMN? , > DOI? , ProductIdentifier*) | > (EAN13 , UPC? , PublisherProductNo? , ISMN? , DOI? , > ProductIdentifier*) | > (UPC , PublisherProductNo? , ISMN? , DOI? , ProductIdentifier*) | > (PublisherProductNo , ISMN? , DOI? , ProductIdentifier*) | > (ISMN , DOI? , ProductIdentifier*) | > (DOI , ProductIdentifier*) | > ProductIdentifier+) , > Barcode* , > ReplacesISBN? , > ReplacesEAN13? , > ProductForm , > ProductFormDetail* , > ProductFormFeature* , > BookFormDetail* , > ProductPackaging? , > ProductFormDescription? , > NumberOfPieces? , > TradeCategory? , > ProductContentType* , > ContainedItem* , > ProductClassification* , > (EpubType , > EpubTypeVersion? , > EpubTypeDescription? , > (EpubFormat , EpubFormatVersion?)? , > EpubFormatDescription? , > (EpubSource , EpubSourceVersion?)? , > EpubSourceDescription? , > EpubTypeNote?)? , > ((SeriesISSN? , > PublisherSeriesCode? , > SeriesIdentifier* , > ((TitleOfSeries , Title*) | > Title+) , > Contributor* , > NumberWithinSeries? , > YearOfAnnual?) | > Series+ | > NoSeries)? , > ((ISBNOfSet? , > EAN13OfSet? , > ProductIdentifier* , > ((TitleOfSet , Title*) | > Title+) , > SetPartNumber? , > SetPartTitle? , > ItemNumberWithinSet? , > LevelSequenceNumber? , > SetItemTitle?) | > Set+)? , > TextCaseFlag? , > ((((DistinctiveTitle , > (TitlePrefix , TitleWithoutPrefix)?) | > (TitlePrefix , TitleWithoutPrefix)) , > Subtitle? , > TranslationOfTitle? , > FormerTitle* , > Title*) | > Title+) , > WorkIdentifier* , > Website* , > (ThesisType , ThesisPresentedTo? , ThesisYear?)? , > ((Contributor+ , ContributorStatement?) | > NoContributor)? , > (ConferenceDescription | > (ConferenceRole? , ConferenceName , ConferenceNumber? , > ConferenceDate? , ConferencePlace?) | > Conference+)? , > ((EditionTypeCode* , EditionNumber? , EditionVersionNumber? , > EditionStatement?) | > NoEdition) , > ReligiousText? , > LanguageOfText* , > OriginalLanguage? , > Language* , > NumberOfPages? , > PagesRoman? , > PagesArabic? , > Extent* , > NumberOfIllustrations? , > IllustrationsNote? , > Illustrations* , > MapScale* , > (BASICMainSubject , BASICVersion?)? , > (BICMainSubject , BICVersion?)? , > MainSubject* , > Subject* , > PersonAsSubject* , > CorporateBodyAsSubject* , > PlaceAsSubject* , > AudienceCode* , > Audience* , > USSchoolGrade? , > InterestAge? , > AudienceRange* , > AudienceDescription? , > Complexity* , > Annotation? , > MainDescription? , > OtherText* , > ReviewQuote* , > (CoverImageFormatCode , CoverImageLinkTypeCode , CoverImageLink)? , > MediaFile* , > ProductWebsite* , > (PrizesDescription | Prize+)? , > ContentItem* , > ((ImprintName , Imprint* , PublisherName? , Publisher*) | > (Imprint+ , PublisherName? , Publisher*) | > (PublisherName , Publisher*) | > Publisher+) , > CityOfPublication* , > CountryOfPublication? , > CopublisherName* , > SponsorName* , > OriginalPublisher? , > (PublishingStatus , PublishingStatusNote?)? , > AnnouncementDate? , > TradeAnnouncementDate? , > PublicationDate? , > (CopyrightStatement+ | CopyrightYear)? , > YearFirstPublished* , > (SalesRights , > (SalesRights , SalesRights?)?)? , > NotForSale* , > SalesRestriction*)? , > (((((Height , Width? , Thickness? , Weight?) | > Weight | > Measure+) , > Dimensions?) | > Dimensions)?)? , > (ReplacedByISBN? , ReplacedByEAN13? , AlternativeFormatISBN? , > AlternativeFormatEAN13? , AlternativeProductISBN? , > AlternativeProductEAN13? , RelatedProduct* , OutOfPrintDate?)? , > (SupplyDetail*)? , > (PromotionCampaign? , PromotionContact? , InitialPrintRun? , > CopiesSold? , BookClubAdoption?)?) > --- > > > -- > XMLmind XML Editor Support List > xmleditor-support at xmlmind.com > http://www.xmlmind.com/mailman/listinfo/xmleditor-support >
