In the past I’ve written about parsing XML and JSON data, but nothing specifically on scraping HTML pages.
Here’s a tutorial that demonstrates the process of scraping data using LibXML whi is included with iOS with an open source Objective-C wrapper known as Hpple that is inspired by Hpricot HTML parser.
In this tutorial by Matt Golloway you’ll learn:
– How to come up with the Xpath syntax to direct the parser to the data you’re looking for
– How to set up your project with LibXML and Hpple
– How to scrape the data with Hpple
– How to display that data in a tableview
You can find the tutorial here.
You can find the repository for Hpple on Github here.
A nice simple guide to parsing HTML on the iOS platform.
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