Thanks!

> Sent: Saturday, September 03, 2016 at 4:31 AM
> From: "Sven Van Caekenberghe" <s...@stfx.eu>
> To: "Any question about pharo is welcome" <pharo-users@lists.pharo.org>
> Subject: Re: [Pharo-users] Coding XPath as Smalltalk
>
> 
> > On 03 Sep 2016, at 08:17, Tudor Girba <tu...@tudorgirba.com> wrote:
> > 
> > Hi,
> > 
> > Indeed, Monty is doing a great job at maintaining and evolving the XML 
> > support.
> 
> Yes indeed !
> 
> > Cheers,
> > Doru
> > 
> > 
> >> On Sep 3, 2016, at 8:06 AM, Hernán Morales Durand 
> >> <hernan.mora...@gmail.com> wrote:
> >> 
> >> Thank you Monty for the clarification. I should say the original XPath 
> >> package was written by Phil Hargett and I just added a couple of methods. 
> >> Glad you rewrote the lib!
> >> Cheers,
> >> 
> >> Hernán
> >> 
> >> 
> >> 2016-09-03 3:01 GMT-03:00 monty <mon...@programmer.net>:
> >> 
> >> Hernan, the PharoExtras/XPath repo has a major rewrite of your package to 
> >> support all of XPath 1.0 + XPath 2.0 extensions like the element() and 
> >> attribute() type tests and namespace literals in name tests like 
> >> '{namespaceURI}localName'. A rewrite was needed because the old lib only 
> >> implemented a small subset of the spec and would infinite loop on some 
> >> inputs.
> >> 
> >> Sent: Thursday, September 01, 2016 at 3:56 PM
> >> From: "Hernán Morales Durand" <hernan.mora...@gmail.com>
> >> 
> >> To: "Any question about pharo is welcome" <pharo-users@lists.pharo.org>
> >> Subject: Re: [Pharo-users] Coding XPath as Smalltalk
> >> 
> >> 
> >> 2016-09-01 16:51 GMT-03:00 PBKResearch <pe...@pbkresearch.co.uk>:
> >> Hi Hernan
> >> 
> >> 
> >> I don’t understand your first question – I can’t see a connection between 
> >> SPARQL and what I am doing.
> >> 
> >> 
> >> 
> >> You could get the Wikitionary data by querying a SPARQL endpoint 
> >> http://wiktionary.dbpedia.org/sparql instead of scrapping web pages (which 
> >> seems more difficult)
> >> 
> >> 
> >> I downloaded XPath from http://smalltalkhub.com/mc/PharoExtras/XPath/. 
> >> However, I am probably using a somewhat out of date version; I downloaded 
> >> it about a year ago.
> >> 
> >> 
> >> 
> >> I don't know about that version. I copied an old version from SqueakSource 
> >> (with permission) and updated from time to time, but there is no much. 
> >> There is also a XPath2 repository which you may try.
> >> 
> >> Hernán
> >> 
> >> 
> >> Peter
> >> 
> >> 
> >> From: Pharo-users [mailto:pharo-users-boun...@lists.pharo.org] On Behalf 
> >> Of Hernán Morales Durand
> >> Sent: 01 September 2016 18:54
> >> To: Any question about pharo is welcome <pharo-users@lists.pharo.org>
> >> Subject: Re: [Pharo-users] Coding XPath as Smalltalk
> >> 
> >> 
> >> Hi Peter,
> >> 
> >> 
> >> 2016-09-01 10:26 GMT-03:00 PBKResearch <pe...@pbkresearch.co.uk>:
> >> 
> >> Hello
> >> 
> >> 
> >> I am using XPath as a way of dissecting web pages, especially from 
> >> Wiktionary.
> >> 
> >> 
> >> Any specific reason to not use the SPARQL endpoint?
> >> 
> >> 
> >> 
> >> 
> >> Generally I get good results, but I could get useful extra flexibility by 
> >> using the binary Smalltalk operators to represent XPath, as mentioned at 
> >> the end of the class comment for XPath. However, the description there is 
> >> very terse, and I am having difficulty seeing how to include more complex 
> >> expressions, especially attribute tests.
> >> 
> >> 
> >> Which XPath version are you using? How did you installed it?
> >> 
> >> 
> >> 
> >> 
> >> I have put some of my XPath expressions through the XPath compiler and 
> >> looked at the output, and out of that I have found expressions which work 
> >> but look very clumsy. As an example, I have used the fragment:
> >> 
> >> 
> >> document xPath: '//div[@id=''catlinks'']//li//text()'
> >> 
> >> 
> >> and found that an equivalent is:
> >> 
> >> 
> >> document //'div' ?? [:node :x :y|(node attributeAt: 'id') = 
> >> 'catlinks']//'li'//[:n| n isStringNode]].
> >> 
> >> (I had to put two dummy arguments in the three-argument block to get it to 
> >> work.)
> >> 
> >> 
> >> Is there a more extensive explanation of the use of these binary 
> >> operators? If not, could some kind person show me the most concise 
> >> translation of the sample XPath above, to give me a start in working out 
> >> more complex cases?
> >> 
> >> 
> >> Many thanks for any help.
> >> 
> >> 
> >> Peter Kenny
> >> 
> >> 
> >> 
> >> 
> > 
> > --
> > www.tudorgirba.com
> > www.feenk.com 
> > 
> > “Live like you mean it."
> > 
> > 
> 
> 
>

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