Hi Stef, I have the impression that a visitor is not the ideal solution to query XML tree. It works well in some case, and it is disastrous in some other. XPath is the way to query XML data. As far as I know, there is no complete support. Pastell was a nice try however...
Alexandre > On Mar 12, 2016, at 8:11 AM, stepharo <steph...@free.fr> wrote: > > Thanks > > Ok it was characters: I will try it > What a bad name! > > I will probably have to build a stack or dictionary of dictionary of the part > that I will not want to visit but this is another story :) > > Stef > > > Le 11/3/16 14:17, Blondeau Vincent a écrit : >> Hi, >> >> The qualified name in function startElement: aQualifiedName attributes: >> aDictionary, will be FILMS and after FILM and after TITRE,...etc... >> So, you have to tell to your shouldVisit: method to accept TITRE too and get >> in and after you should implement characters: to get the content on the tag. >> >> Vincent >> >>> -----Message d'origine----- >>> De : Pharo-users [mailto:pharo-users-boun...@lists.pharo.org] De la part de >>> stepharo >>> Envoyé : vendredi 11 mars 2016 14:04 >>> À : Any question about pharo is welcome >>> Objet : [Pharo-users] How to access XML tag name? >>> >>> Hi >>> >>> Yesterday I started to hack a smart SAX handler. The idea is that I want to >>> just >>> specify the tags I want to visit and the SAX handler should invoke >>> (generated) >>> visit methods. Like that I can easily get visitors on XML domain. >>> >>> Here is an example of what I did. >>> >>> | h | >>> h := SmartSAXHandler new >>> visitor: (MyFilmVisitor new visitTags: #(FILM ROLE)); >>> on: FileSystem workingDirectory / 'FILMS.XML'. >>> h parseDocument. >>> ^ h >>> >>> >>> >>> SmartSAXHAndler >> startElement: aQualifiedName attributes: aDictionary >>> >>> (visitor shouldVisit: aQualifiedName) >>> ifTrue: [ >>> visitor >>> perform: (visitor createdVisitSelector: aQualifiedName) >>> with: aQualifiedName >>> with: aDictionary >>> ] >>> >>> >>> Object subclass: #GenericTagSAXVisitor >>> instanceVariableNames: 'visitTag visitTags' >>> classVariableNames: '' >>> category: 'SmartXMLHandler' >>> >>> >>> GenericTagSAXVisitor>>visitTags: aCollection >>> "set the tags that will lead to a call to a visitTag:with: method in >>> the visitor" >>> >>> visitTags := aCollection collect: [ :each | each asLowercase ]. >>> self createVisitMethods. >>> >>> and in a subclass the visit* methods automatically generated >>> >>> >>> Now I could not get when I have a <TITRE>Vertigo</TITRE> where I can get the >>> Vertigo information. >>> I redefined several methods of SAXhandler but without success. >>> >>> >>> <?xml version="1.0" encoding="iso-8859-1"?> >>> <FILMS> >>> <FILM annee="1958"> >>> <TITRE>Vertigo</TITRE> >>> <GENRE>Drame</GENRE> >>> <PAYS>USA</PAYS> >>> <MES idref="3"/> >>> <ROLES> >>> <ROLE> >>> <PRENOM>James</PRENOM> >>> <NOM>Stewart</NOM> >>> <INTITULE>John Ferguson</INTITULE> >>> </ROLE> >>> <ROLE> >>> <PRENOM>Kim</PRENOM> >>> <NOM>Novak</NOM> >>> <INTITULE>Madeleine Elster</INTITULE> >>> </ROLE> >>> </ROLES> >>> <RESUME>Scottie Ferguson, ancien inspecteur de police, est sujet >>> au vertige depuis qu'il a vu mourir son >>> collegue. Elster, son ami, le charge de surveiller sa femme, >>> Madeleine, ayant des tendances >>> suicidaires. Amoureux de la jeune femme Scottie ne remarque pas le >>> piege qui se trame autour >>> de lui et dont il va etre la victime... </RESUME> >>> </FILM> >> >> !!!************************************************************************************* >> "Ce message et les pièces jointes sont confidentiels et réservés à l'usage >> exclusif de ses destinataires. Il peut également être protégé par le secret >> professionnel. Si vous recevez ce message par erreur, merci d'en avertir >> immédiatement l'expéditeur et de le détruire. L'intégrité du message ne >> pouvant être assurée sur Internet, la responsabilité de Worldline ne pourra >> être recherchée quant au contenu de ce message. Bien que les meilleurs >> efforts soient faits pour maintenir cette transmission exempte de tout >> virus, l'expéditeur ne donne aucune garantie à cet égard et sa >> responsabilité ne saurait être recherchée pour tout dommage résultant d'un >> virus transmis. >> >> This e-mail and the documents attached are confidential and intended solely >> for the addressee; it may also be privileged. If you receive this e-mail in >> error, please notify the sender immediately and destroy it. As its integrity >> cannot be secured on the Internet, the Worldline liability cannot be >> triggered for the message content. Although the sender endeavours to >> maintain a computer virus-free network, the sender does not warrant that >> this transmission is virus-free and will not be liable for any damages >> resulting from any virus transmitted.!!!" > > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
