I went with the first solution and it works well enough for me. Anything beyond this simple XML and I think I'd likely use a 3rd-party solution.
Thanks for the suggestion! Google Voice: (508) 656-0622 Twitter: eric_dolecki XBoxLive: edolecki PSN: eric_dolecki http://blog.ericd.net On Tue, Jun 7, 2011 at 10:13 AM, Hank Heijink (Mailinglists) < hank.l...@runbox.com> wrote: > Two ways that I've used: > > 1. Keep a boolean isInCurrentConditions that you set when you start the > current_conditions element and reset when you end that element. Then every > time you enter a condition element you check the boolean to see if you are > where you need to be in the hierarchy. This works well enough if your > hierarchy is not too complicated and you only need to know about a couple of > elements. If it does get complicated, you'll end up tracking a dozen > booleans, which I don't recommend. > > 2. The complicated case: keep a stack of element names. Every time you > enter one, you push it, and every time you leave you pop it (it pays to > check what you're popping, just in case). Then, whenever you encounter a > condition element, you check the stack to see if you're at the right place > in the hierarchy. > > I'm sure there are other ways, but these have worked well for me. > > Hope this helps, > Hank > > On Jun 7, 2011, at 10:03 AM, Eric E. Dolecki wrote: > > > I am fetching some XML weather from Google: > > > > <xml_api_reply version="1"> > > <weather module_id="0" tab_id="0" mobile_row="0" mobile_zipped="1" > row="0" > > section="0"> > > <forecast_information> > > <city data="Framingham, MA"/> > > <postal_code data="01701"/> > > <latitude_e6 data=""/> > > <longitude_e6 data=""/> > > <forecast_date data="2011-06-07"/> > > <current_date_time data="2011-06-07 12:38:31 +0000"/> > > <unit_system data="US"/> > > </forecast_information> > > <current_conditions> > > <condition data="Sunny"/> > > <temp_f data="69"/> > > <temp_c data="21"/> > > <humidity data="Humidity: 66%"/> > > <icon data="/ig/images/weather/sunny.gif"/> > > <wind_condition data="Wind: NW at 3 mph"/> > > </current_conditions> > > <forecast_conditions> > > <day_of_week data="Tue"/> > > ... > > > > What I am really after is the current_conditions data. How can one > specify > > WHERE in the XML to use the attributes from? A lot of the information is > > repeated in other nodes so I can't just check (if([elementName > > isEqualToString:@"condition"]){) , how can I check if the current > element is > > within a specific tag? (In this case the parent is current_conditions)? > > > > Eric > > _______________________________________________ > > > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > > > Please do not post admin requests or moderator comments to the list. > > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > > > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/cocoa-dev/hank.list%40runbox.com > > > > This email sent to hank.l...@runbox.com > > > > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
