Hi Peter, Never used Path so I cannot help there. I just wander if you connote use Soup to « dissect » your webpages ? http://www.smalltalkhub.com/#!/~PharoExtras/Soup
HTH, Cédrik > Le 1 sept. 2016 à 15:26, PBKResearch <pe...@pbkresearch.co.uk> a écrit : > > Hello > > I am using XPath as a way of dissecting web pages, especially from > Wiktionary. 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. 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
