Alain Pierrot wrote: > 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?
Sorry but this would be really, really, hard to implement. >> 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?)?) >> ---
