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POHow to get elements of html,xml by hpple ( xpath )?
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copied!<p>please use hpple(xpath), This is a followup to my previous question: </p> <pre><code>http://stackoverflow.com/questions/6723244/iphone-how-to-select-this-label </code></pre> <p>How can I get the number in <code>seekVideo(number)</code>? For example:</p> <pre><code><a href="#" class="transcriptLink" onclick="seekVideo(2000); return false;" </code></pre> <p>I want to get "2000". </p> <p>I have tried:</p> <pre><code>NSArray *elements = [xpathParser search:@"//div[@id='transcriptText']/div/p/number(substring-before(substring-after(@onclick, '('), ')'))"]; </code></pre> <p>But that's not right. How should i do this?</p> <p>If someone can you use the code framework named hpple(xpath) , it would be great.</p> <p>this is my code for get text ,now how to change for getting number?????</p> <pre><code> #define WebSite @"http://www.ted.com/talks/matt_cutts_try_something_new_for_30_days.html" - (void)setLoadData { NSData *siteData = [[NSData alloc] initWithContentsOfURL:[NSURL URLWithString:WebSite]]; TFHpple *xpathParser = [[TFHpple alloc] initWithHTMLData:siteData]; NSArray *elements = [xpathParser search:@"//div[@id='transcriptText']/div/p/a[number(substring-before(substring-after(@onclick, '('), ')')) >2000]/text()"]; NSMutableArray *arr = [[NSMutableArray alloc] init]; for (TFHppleElement *element in elements) { NSString *strs = [element content]; NSLog(@"cc: %@", strs); [arr addObject:strs]; NSLog(@"arr: %@", arr); } self.listData = arr; [arr release]; [xpathParser release]; } </code></pre>

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