Hi,
Indeed, Monty is doing a great job at maintaining and evolving the XML support.
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 However, I am probably using a somewhat out of date version; I downloaded it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
>
>
>
>
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