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Tag Archives: XML

iPhone: libxml2 & RELAX NG validation

Having a validating parser in place can reduce the required code to parse XML a lot – you know very well what you actually get. As mentioned in my last post about RELAX NG & trang, I prefer RELAX NG over W3C XML Schema – which doesn’t matter anyway because Apple’s suggested XML parser doesn’t [...]

Posted 28 Mai 2010 † mro § Articles in english § development ‡ Comments (0) ° Also tagged: , , , , , , , , ,

XML Toolbox: RELAX NG & trang

e.g. when handling RESTful APIs you may want to validate the response XML – a custom one in most cases. I typically use tools already installed on every Mac and fire a http GET request with curl and immediately check it with xmllint like $ curl http://www.heise.de/newsticker/heise-atom.xml | xmllint –format –schema myschema.xsd – But I [...]

Posted 21 Mai 2010 † mro § Articles in english § development ‡ Comments (3) ° Also tagged: , , , , , , , , , ,

Poignant: Xml meets Huffman

There’s a spec at the w3c about compressing (XML) named “Efficient XML Interchange” Format taking into account the grammar and likelihood of atoms within the document. They indeed use something similar the the Huffman Coding. The results are quite impressive – nice charts!

Posted 02 Februar 2010 † mro § Articles in english § development ‡ Comments (1) ° Also tagged: , ,