BaseX-Talk

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8 participants
5255 discussions

Email integration
by Ben Pracht 09 Jul '22

09 Jul '22

Hi, This may seem a bit unusual, but I like the parsing capabilities of XQuery and I'd like to use it for my email. I'd like to have BaseX log into my IMAP server, fetch emails and put each email as a separate XML document. I'm willing to have it ignore attachments if necessary. Then, I'd like to query my email using normal BaseX XQuery. This isn't for normal emails, but I wanted to be able to query it for automated emails and for one-off type queries. Oh, to make things more difficult, I'm using GMail, so the login just got even more difficult. Any suggestions? Thanks, Ben Best Regards, Ben Pracht 919.809.2439 ben.pracht(a)gmail.com

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Same prefix, same functions, different namespace?
by Graydon Saunders 08 Jul '22

08 Jul '22

Hello -- As part of a long and involved conversion process, the content starts in a lax version of the target vocabulary and proceeds to a strict version of the target vocabulary. By local convention, the two vocabularies use the same namespace prefix but are not the same namespace and use different namespace URIs. Ideally, I would be using the same test functions in a lot of cases, only changing the association for the prefix depending on the data. So far as I know, there isn't any way to declare a namespace dynamically; I can't create a "test this content" module and tell it which namespace to use in some parameterized way, so I'm going to have to create two versions of the module despite the only difference being a namespace declaration. Is that right, or is there a way to do this? Thanks! Graydon

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Java 8 and XML Catalog
by Lizzi, Vincent 07 Jul '22

07 Jul '22

Hi Christian, I'm having trouble getting an XML Catalog to work in BaseX 9.7.2 running on Java 8. The XML Catalog is working properly in BaseX and Saxon using Java 17. However, if I keep everything the same and switch to Java 8 the XML Catalog doesn't work. The error messages when running on Java 8 indicate that the XML Catalog is not being used at all. The obvious solution of updating the environment to a more recent version of Java is not so easy in this case. I have the XML Catalog location configured as an absolute file system URI in the system properties org.basex.catfile, xml.catalog.files, and javax.xml.catalog.files. Option db:intparse is set to false and option db:dtd is set to true. I have set the class path to include both the Apache XML Resolver (xml-resolver:xml-resolver:1.2) and the xmlresolver.org XML Resolver (org.xmlresolver:xmlresolver:4.4.0). It is my understanding that BaseX will use Norm Tovey-Walsh's XML Resolver from xmlresolver.org if it is found on the class path, or fall back to Java's built in XML resolver. I see the logic for this check on which catalog resolver to use in org.basex.util.Resolver. Do you have any suggestions on what to try, or is this pointing to a possible bug somewhere? Thank you, Vincent ______________________________________________ Vincent M. Lizzi Head of Information Standards | Taylor & Francis Group 530 Walnut St., Suite 850, Philadelphia, PA 19106 E-Mail: vincent.lizzi(a)taylorandfrancis.com Web: www.tandfonline.com Taylor & Francis is a trading name of Informa UK Limited, registered in England under no. 1072954 "Everything should be made as simple as possible, but not simpler." Information Classification: General

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RESTXQ: Serve images that are not within the web app dir
by Eliot Kimber 07 Jul '22

07 Jul '22

In my RESTXQ application, I have the XML content in a database but the images referenced from that content is only in a local clone of the git repository from which the XML content is loaded into BaseX. I would like to serve the images from RESTXQ-generated HTML Pages but I’m not sure how to do that other than to use URLs that include the base64 image data directly. What I think I need to do is implement a RESTXQ end point that handles image URLs that I know how to convert into image files on the file system but I don’t see how to then return the raw bytes as the return result from the RESTXQ handler function. I’m trying to avoid copying the images because there’s no other reason to have them in a database or otherwise copy them somewhere else on the file system. I suppose I could symlink the git directories under the webapp directory but that seems kind of icky too. Thanks, E. _____________________________________________ Eliot Kimber Sr Staff Content Engineer O: 512 554 9368 M: 512 554 9368 servicenow.com<https://www.servicenow.com> LinkedIn<https://www.linkedin.com/company/servicenow> | Twitter<https://twitter.com/servicenow> | YouTube<https://www.youtube.com/user/servicenowinc> | Facebook<https://www.facebook.com/servicenow>

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Re: [basex-talk] Sym links in BaseX 9.7.2
by Maud Ingarao (IHRIM - ENS de Lyon) 07 Jul '22

07 Jul '22

Hi Christian :-) The prior version we were using was 9.3.2 and everything worked fine. Now with 9.7.2 I get this error : Stopped at /path/to/basex/webapp/synopsx/workspace/bvm/models/mixed.xqm, 38/55: [XQST0059] Could not retrieve module: /path/to/basex/webapp/synopsx/models/synopsx.xqm. although nothing changed in our webapp. Thanks a lot, and all the best :-) Maud

2 1

How To: Sort nodes in document order?
by Eliot Kimber 04 Jul '22

04 Jul '22

I feel like I should know how to do this (and possibly I’ve previously been told how and have forgotten), but I’m at a loss. I am implementing a process that gathers nodes from a single document (a DITA map) and constructs a system of maps where I’m using the maps primarily to represent a tree and enable lookup of things by key. However, the order of the elements that make up these maps is also important (DITA’s rules for how you build DITA key spaces from maps depends entirely on document order). For example, I have a map that maps “key names” to the elements that declare those key names, i.e.: map { “key-01” : (<topicref keys=”key-01” href=”foo.dita”/>, <topicref keys=”key-01” href=”bar.dita”/>) } This is the initial state of the map (reflecting pass 1 over the DITA map document) but then I need to add additional elements to the sequence that is the value of entry “key-01” and I need the resulting sequence to be in document order. So my question: given two sequences of nodes from the same document, how does one construct a new sequence where the nodes are in document order? Thanks, Eliot _____________________________________________ Eliot Kimber Sr Staff Content Engineer O: 512 554 9368 M: 512 554 9368 servicenow.com<https://www.servicenow.com> LinkedIn<https://www.linkedin.com/company/servicenow> | Twitter<https://twitter.com/servicenow> | YouTube<https://www.youtube.com/user/servicenowinc> | Facebook<https://www.facebook.com/servicenow>

3 4

Exporting XML with a relaxNG declaration
by France Baril 01 Jul '22

01 Jul '22

Hi, I am trying to output XML with a link to a RelaxNG schema without success. - It works with DTDs using doctype-public and doctype-systems in the serialization params of file:write - It works with .xsd because the declaration is in the attribute - For relaxNg, the intro line looks like a PI, but I can't seem to be able to keep PIs when outputting xml with file:write Specifically: let $map-params := map { 'method': 'xml', 'indent': 'no', 'omit-xml-declaration': 'no' } let $map := ( <?xml-model href="urn:oasis:names:tc:dita:rng:map.rng" schematypens="http://relaxng.org/ns/structure/2.x"?>, <map> <?test name="abc"?> <title>{lower-case($spez/child::*[name()='name']/text())}</title>{ <title>{lower-case($spez/child::*[name()='name']/text())}</title>{ ... }</map> ) return file:write($dir-path || '/spec-' || lower-case($spez/child::*[name()='name']/text()) || '.ditamap', $map) gets me: <map> <title>Tests for elements - version 2.0</title> ... </map> Both the declaration and the in-content test pi disappear. What am I missing here? -- France Baril Architecte documentaire / Documentation architect france.baril(a)architextus.com

2 2

the implicit context of position
by Graydon Saunders 30 Jun '22

30 Jun '22

Hello -- I've got an element node that's part of a document. I need its position among the element children of its parent. $step/position() will (correctly!) always return 1, there's one thing in $step, of course it does. replace($step/path(),'^.*\[(\p{Nd}+)\]$','$1') => xs:integer() gets me the implicit position but is something of a horror. for $e at $in in $step/../* where $e is $step return $in works, too, but any notion of elegance and clarity have fled screaming into the night. I keep thinking there must be a better way; anyone got any suggestions? Thanks! Graydon

4 4

Sym links in BaseX 9.7.2
by Maud Ingarao 30 Jun '22

30 Jun '22

Hi everybody ! As we had problems getting our formatDateTime() outputs in french, we followed Christian's advice and updated to BaseX 9.7.2. Now it works and we get our outputs in French, thanks a lot ! But we face a new problem : symbolic links inside the webapp are no longer followed. We tried to had the following to jetty.xml : | <Call name="addAliasCheck"> <Arg><New class="org.eclipse.jetty.server.handler.AllowSymLinkAliasChecker"/></Arg> </Call> | But this doesn't seem to be the answer. I can't remember configuring anything in particular in the previous versions of BaseX and our webapp was just running fine. Thanks for your help. Maud || -- Maud Ingarao IHRIM - UMR 5317 Institut d’histoire des représentations et des idées dans les modernités École Normale Supérieure de Lyon 15 Parvis René Descartes - BP7000 - 69342 Lyon CEDEX 07 +33 4 37 37 65 79 - maud.ingarao(a)ens-lyon.fr */Présente les lundi - mardi - mercredi/* */At the office on mondays - tuesdays - wednesdays/* http://ihrim.ens-lyon.fr/ http://ahn.ens-lyon.fr/ https://cahier.hypotheses.org/

2 1

How To Determine if You're In Daylight Saving Time?
by Eliot Kimber 29 Jun '22

29 Jun '22

I’m showing times on RESTXQ generated pages that need to be adjusted for a particular time zone. Doing the time zone adjustment is easy enough but I realized that knowing whether or not a given time zone should be standard or daylight time is a challenge not directly addressed by the XQuery time functions. So my question: does anyone have a technique for determining if a given time zone or region is using DST? Of course I can hard-code some sort of DST calendar for the time zones I know I need (U.S. time zones, European Central Time, India Standard Time) but it seemed like there ought to be a more general solution somewhere. My server is running on Linux but is developed and tested on macOS. Thanks, Eliot _____________________________________________ Eliot Kimber Sr Staff Content Engineer O: 512 554 9368 M: 512 554 9368 servicenow.com<https://www.servicenow.com> LinkedIn<https://www.linkedin.com/company/servicenow> | Twitter<https://twitter.com/servicenow> | YouTube<https://www.youtube.com/user/servicenowinc> | Facebook<https://www.facebook.com/servicenow>

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