What's the prize ? :) - Danny
On Wed, Sep 5, 2012 at 3:33 PM, Michael Blakeley <[email protected]> wrote: > Yes, using John's library would be more straightforward. But then Danny > wouldn't be in the running for the "most surprising use of an XQuery > library" award.... I understand the winner for this year will be announced > in Amsterdam? > > Danny, when looking at the parse tree be sure to check for the 'external' > token. If the variable name and optional type declaration aren't followed > by 'external', then the variable can't be set externally. In 5.0-3.3 it > looks like such attempts are ignored. > > xdmp:eval(' > declare variable $assetId := "x"; > $assetId', > (xs:QName('assetId'), 'fubar')) > => > x > > xdmp:eval(' > declare variable $assetId external; > $assetId', > (xs:QName('assetId'), 'fubar')) > => > fubar > > -- Mike > > On 5 Sep 2012, at 11:10 , John Snelson wrote: > > > I'm not sure xqysp will do what you need. Take a look at this project > > instead - it's a fully functional XQuery parser in XQuery: > > > > https://github.com/jpcs/xqueryparser.xq > > > > It also does some useful pre-processing, like correctly resolving all > > the QNames in the query for you. > > > > John > > > > On 05/09/12 17:43, Danny Sinang wrote: > >> I think xqysp can do the parsing. > >> > >> Just need someone to validate that my planned approach (looking for the > >> element after "declare" and "variable") is right or if I should take > >> other things into consideration. > >> > >> import module namespace p = "com.blakeley.xqysp" at "xqysp.xqy"; > >> > >> let $source := " > >> declare variable $assetId as xs:string > >> let $x := '1' > >> let $y := '2' > >> return $x > >> " > >> let $parsed := p:parse($source) > >> > >> return $parsed > >> > >> > >> And the results were : > >> > >> <root xmlns:xml="http://www.w3.org/XML/1998/namespace"; > >> xmlns="com.blakeley.xqysp"> > >> > >> * <literal>declare</literal> > >> * <literal>variable</literal> > >> * <literal>assetId</literal> > >> * <literal>as</literal> > >> * <field name="xs" op=":"><literal>string</literal></field> > >> * <literal>let</literal> > >> * <field name="x" op=":"><literal>1'</literal></field> > >> * <literal>let</literal> > >> * <field name="y" op=":"><literal>2'</literal></field> > >> * <literal>return</literal> > >> * <literal>x</literal> > >> > >> </root> > >> > >> Regards, > >> Danny > >> > >> On Wed, Sep 5, 2012 at 12:32 PM, David Lee <[email protected] > >> <mailto:[email protected]>> wrote: > >> > >> Thats a little tougher ... I dont know of a tool that can parse the > >> XQuery to determine its declared external variables.____ > >> > >> Stylus Studio can do this for on-filesystem (not marklogic) XQuery > >> ... ____ > >> > >> Its quite nice that way ... but unfortunately SS dropped MarkLogic > >> support about 5 years ago :(____ > >> > >> Oxygen might be able to ... but I havent run into it.____ > >> > >> __ __ > >> > >> > -----------------------------------------------------------------------------____ > >> > >> David Lee > >> Lead Engineer > >> MarkLogic Corporation > >> [email protected] <mailto:[email protected]> > >> Phone: +1 812-482-5224 <tel:%2B1%20812-482-5224>____ > >> > >> Cell: +1 812-630-7622 <tel:%2B1%20812-630-7622> > >> www.marklogic.com <http://www.marklogic.com/> > >> > >> ____ > >> > >> __ __ > >> > >> *From:*[email protected] > >> <mailto:[email protected]> > >> [mailto:[email protected] > >> <mailto:[email protected]>] *On Behalf Of > >> *Danny Sinang > >> *Sent:* Wednesday, September 05, 2012 12:25 PM > >> *To:* MarkLogic Developer Discussion > >> *Subject:* Re: [MarkLogic Dev General] Xquery invoker____ > >> > >> __ __ > >> > >> Hi David,____ > >> > >> __ __ > >> > >> This is indeed easier than calling xdmp:invoke() in CQ, but I was > >> hoping to also save myself the effort of finding out what variables > >> a script accepts and typing in the variable name.____ > >> > >> __ __ > >> > >> Regards,____ > >> > >> Danny____ > >> > >> __ __ > >> > >> On Wed, Sep 5, 2012 at 12:10 PM, David Lee <[email protected] > >> <mailto:[email protected]>> wrote:____ > >> > >> You might look at the marklogic extension to xmlsh.____ > >> > >> Its not a web app but a terminal app (but it also has a GUI now).____ > >> > >> This allows you to invoke stored xqueries easily using "invoke"____ > >> > >> ____ > >> > >> e.g.____ > >> > >> import module ml=marklogic ____ > >> > >> ...____ > >> > >> ____ > >> > >> ml:invoke test.xqy____ > >> > >> ____ > >> > >> Let me know if you would like further info____ > >> > >> ____ > >> > >> http://www.xmlsh.org/MarkLogicInvoke____ > >> > >> http://www.xmlsh.org/HomePage____ > >> > >> http://www.xmlsh.org/ModuleMarkLogic____ > >> > >> ____ > >> > >> > -----------------------------------------------------------------------------____ > >> > >> David Lee > >> Lead Engineer > >> MarkLogic Corporation > >> [email protected] <mailto:[email protected]> > >> Phone: +1 812-482-5224 <tel:%2B1%20812-482-5224>____ > >> > >> Cell: +1 812-630-7622 <tel:%2B1%20812-630-7622> > >> www.marklogic.com <http://www.marklogic.com/>____ > >> > >> ____ > >> > >> *From:*[email protected] > >> <mailto:[email protected]> > >> [mailto:[email protected] > >> <mailto:[email protected]>] *On Behalf Of > >> *Danny Sinang > >> *Sent:* Wednesday, September 05, 2012 11:56 AM > >> *To:* general > >> *Subject:* [MarkLogic Dev General] Xquery invoker____ > >> > >> ____ > >> > >> Hi,____ > >> > >> ____ > >> > >> I find myself having to call xdmp:invoke() via CQ and entering the > >> .xqy path and its parameters is tedious.____ > >> > >> ____ > >> > >> Am thinking of writing a web app that would list all .xqy files in a > >> given folder. Once the user has chosen a .xqy file, the web app will > >> then display a label + text input field for each parameter that the > >> said .xqy file accepts.____ > >> > >> ____ > >> > >> But before I dive in, a few questions :____ > >> > >> ____ > >> > >> 1. Is there already a tool like this (why reinvent the wheel) ?____ > >> > >> ____ > >> > >> 2. Is there an Xquery parser out there that will readily tell me > >> what parameters a given xqy file accepts ?____ > >> > >> ____ > >> > >> I saw some mention of XQYSP. I guess I can look for "literal" > >> elements with the value "declare" and "variable" and then look for > >> the next literal to get the name of the variable. Would this be the > >> best way to go about it ?____ > >> > >> ____ > >> > >> Regards,____ > >> > >> Danny____ > >> > >> ____ > >> > >> ____ > >> > >> ____ > >> > >> ____ > >> > >> > >> _______________________________________________ > >> General mailing list > >> [email protected] <mailto: > [email protected]> > >> http://developer.marklogic.com/mailman/listinfo/general____ > >> > >> __ __ > >> > >> > >> _______________________________________________ > >> General mailing list > >> [email protected] <mailto: > [email protected]> > >> http://developer.marklogic.com/mailman/listinfo/general > >> > >> > > > > > > -- > > John Snelson, Lead Engineer http://twitter.com/jpcs > > MarkLogic Corporation http://www.marklogic.com > > _______________________________________________ > > General mailing list > > [email protected] > > http://developer.marklogic.com/mailman/listinfo/general > > > > _______________________________________________ > General mailing list > [email protected] > http://developer.marklogic.com/mailman/listinfo/general >
_______________________________________________ General mailing list [email protected] http://developer.marklogic.com/mailman/listinfo/general
