[development] Xpath query for class matching

[Domenic Santangelo]

nitin gupta wrote:
> Thanks for your help. but this query will probably select "abcfooxyz" 
> as well when "foo" is supplied. (untested), although it 
> will definitely select "foo" in "foo bar" (tested)
>
> $xpath->query("//div[contains(@class, '" . $class . "')]")
>
> How can we be more specific?
Try this example: 
http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html

> @URL: Actually I am maintaining the module feedapi imagegrabber, which 
> downloads images from external websites. Now sometimes the url I parse 
> has spaces, so I am unable to decide whether or not  to percentage 
> encode the URL, because percentage encoding will make this URL valid 
> but will break the following URL:
> http://www.google.com/search?q=hello
> by converting it to
> http://www.google.com/search?q%3Dhello
"q=hello" is a query string, not strictly part of the path. I would 
strip the url to its component parts (parse_url) and encode the path, 
then re-append the query string.

http://us2.php.net/manual/en/function.parse-url.php
http://www.faqs.org/rfcs/rfc1738.html

HTH,

-D


> Looking forward.
>
> --
> Regards,
> Nitin Kumar Gupta
> http://publicmind.in/blog/
>
>
> On Sat, Oct 3, 2009 at 1:30 AM, Domenic Santangelo 
> <domenic at workhabit.com <mailto:domenic at workhabit.com>> wrote:
> >
> > nitin gupta wrote:
> >
> > for eg <div class="foo"></div> is selected by the following query.
> > $class = "foo";
> > $xpath->query("//*[@class = '".$class."']");
> > But, this fails in case of multiple classes, i.e. does not select this :
> > <div class="foo bar"> </div>
> >
> > The "contains" function would probably work, eg (untested):
> > $xpath->query("//div[contains(@class, '" . $class . "')]");
> >
> > One more question: is this url valid : http://xyz.com/path with 
> space.html
> >
> > Nope. You can escape the url if you just HAVE to have spaces:
> >
> > http://n00b.com/path%20with%20space.html
> >
> > but why not use dashes?
> >
> > http://pro.com/path-with-properly-indexed-spaces.html
> >
> > -Dom

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.drupal.org/pipermail/development/attachments/20091002/60dbb21a/attachment.htm>