[development] Xpath query for class matching

[nitin gupta]

That will do till we run into some other exceptions :-). Thanks, I did not
think of encoding just the path.
--
Regards,
Nitin Kumar Gupta
http://publicmind.in/blog/


On Sat, Oct 3, 2009 at 3:33 AM, Domenic Santangelo <domenic at workhabit.com>wrote:

>  You don't encode the query string, just the path.
>
> -D
>
>
> nitin gupta wrote:
>
> Yeah, I understand . it is the thumbnail maker for google images page. But
> if I want to have a specific script for this conversion, one can never be
> sure. If you notice, there are two colons in the query, which if percent
> encoded will render the URL invalid.
>  Thanks for all your inputs.
>
> --
> Regards,
> Nitin Kumar Gupta
> http://publicmind.in/blog/
>
>
> On Sat, Oct 3, 2009 at 3:06 AM, Domenic Santangelo <domenic at workhabit.com>wrote:
>
>>  nitin gupta wrote:
>>
>> @URL: Maybe in hurry, I did not explain it properly. This was exactly what
>> I was doing. look at the project,
>> https://sourceforge.net/projects/absoluteurl/
>>  until I came across this image url on the google images page:
>>
>>
>> http://t3.gstatic.com/images?q=tbn:7i1D2KAZcCd8yM:http://www.flash-slideshow-maker.com/images/help_clip_image004.jpg
>>
>>  What would you consider here the query string or the path? Anything we
>> do, the URL is going to break unless we do nothing. Any ideas?(may be just
>> for encode the spaces).
>>
>>   scheme: http
>> host: t3.gstatic.com<http://t3.gstatic.com/images?q=tbn:7i1D2KAZcCd8yM:http://www.flash-slideshow-maker.com/images/help_clip_image004.jpg>
>> path: images<http://t3.gstatic.com/images?q=tbn:7i1D2KAZcCd8yM:http://www.flash-slideshow-maker.com/images/help_clip_image004.jpg>
>> query:
>> q=tbn:7i1D2KAZcCd8yM:http://www.flash-slideshow-maker.com/images/help_clip_image004.jpg<http://t3.gstatic.com/images?q=tbn:7i1D2KAZcCd8yM:http://www.flash-slideshow-maker.com/images/help_clip_image004.jpg>
>>
>> That url is some sort of thumbnail maker or something... compare to
>> http://www.flash-slideshow-maker.com/images/help_clip_image004.jpg
>>
>> -D
>>
>>
>>  --
>> Regards,
>> Nitin Kumar Gupta
>> http://publicmind.in/blog/
>>
>>
>> On Sat, Oct 3, 2009 at 2:22 AM, Domenic Santangelo <domenic at workhabit.com
>> > wrote:
>>
>>>  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> 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/20091003/16d3815a/attachment-0001.htm>