Following that link and pasting the code, I find it doesn't work
correctly. It's replacing & with a space!
All I'm trying to do is parse the RSS feed URL out of the <head>
section of a document. I didn't think it'd be so difficult!
As this app is going to be used on a specific site, I think I'll just
do manual string replacements for now, as it seems
the easiest solution.
On 18 Oct 2008, at 00:22, Aurora Phoenix wrote:
Hi DI... Depending on how heavy you need to understand the structure
of the
HTML, a simple parse using string chopping/ranges might be
sufficient OR
(personally I would prefer) use something like libxml2 / Xpath to
grok the
input. Note simple resolution of entities might not be sufficient,
particularly because you seem to be grabbing URI/URL... If you are
grabbing
URL with intent of passing them on to the URL Loading System (NSURL*,
NSHTTPURL*), you will on the back end also ensure that prior to
passing the
string itself is URLEncoded (e.g, replacing spaces with %20 and such).
Someone else has posted the link to ThinkMac blog which has a
snippet for
cheap char entity resolution in Objective C (
http://www.thinkmac.co.uk/blog/2005/05/removing-entities-from-html-in-cocoa
.
html)
Cheers and good luck!
On 10/16/08 19:17 , "Drarok Ithaqua" <[EMAIL PROTECTED]> wrote:
Hi all, i'm trying to find a way to convert an HTML-originated URL
into one I can use in cocoa.
Example input: <link type="application/rss+xml" rel="alternate"
href="/
search/unique&stuff&here" />
I know the URL that this data is fetched from, so I can prefix that
to
achieve a full URL again, but I need to convert the &
into plain ampersands, but there could be all kinds of HTML
characters
in there. Is there a category on NSString out there I could
use for this?
I read somewhere that I could use an NSAttributedString and
initWithHTML, but that leaves me with an empty string. I'm guessing
because it's
inside a <head> tag? Not sure.
I'm also open to using something more intelligent than my current
method of searching the string for "<link " to find the rss feed, if
there's perhaps an
easier way that would also convert the HTML characters for me. Maybe
webkit has something for me?
I look forward to your replies, and you have my thanks in advance.
- Drarok
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