Re: hackable xml
Is there a list of types of operation such a community would like to do? The below example hints that you might be able to come up with a set of simple shell scripts (maybe implemented in perl/python/etc) that you could pipe together, perhaps storing intermediate variables in the environment. So if you had: <ns1:config xmlns:ns1="http://somecomp.com"> <ns1:foo>abc</ns1:foo> </ns1:config> xgetnsprefix "http://somecomp.com" ns < in.xml | xchgeval $ns:foo newValue > out.xml where xgetnsprefix extracts the namespace prefix associated with "http://somecomp.com" and stores it in the shell variable ns and xchgeval changes the value of the specified element. No prizes for efficiency, but it depends whether human performance or computer performance is more important to you. Pete Cordell Codalogic Ltd Interface XML to C++ the easy way using XML C++ data binding to convert XSD schemas to C++ classes. Visit http://codalogic.com/lmx/ or http://www.xml2cpp.com for more info ----- Original Message ----- From: "Andrew Welch" <email@example.com> To: "Richard Salz" <firstname.lastname@example.org> Cc: "xml-dev" <email@example.com> Sent: Monday, July 26, 2010 4:21 PM Subject: Re: hackable xml On 26 July 2010 13:53, Richard Salz <firstname.lastname@example.org> wrote: > I don't get it -- which community needs this xml-like thing? And why? The community that just wants to read or write very simple xml files. Given: <config xmlns="http://somecomp.com"> <foo>abc</foo> </config> ...and you want to update the value of <foo>, how would you do it? Or put more realisticly, a colleague of yours knows very little about XML and all of its related technologies, and asks you how they should do it. - XSLT transform - XQuery update - JDOM, XOM etc - SAX parse and generate the events - some data-binding tool (if an xsd exists) All fairly straight forward for the xml community, but to anyone else each of those seem like a massive overkill for such a seemingly simple task. Perhaps there is a simple way that I've missed? The ultimate goal of hackable xml is to make it possible to just do a string replace of "<foo>abc</foo>" with "<foo>newValue</foo>" (which is often what happens anyway, causing many hours of fun) and then serialize/reparse without any issues. -- Andrew Welch http://andrewjwelch.com Kernow: http://kernowforsaxon.sf.net/ _______________________________________________________________________ XML-DEV is a publicly archived, unmoderated list hosted by OASIS to support XML implementation and development. To minimize spam in the archives, you must subscribe before posting. [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ Or unsubscribe: email@example.com subscribe: firstname.lastname@example.org List archive: http://lists.xml.org/archives/xml-dev/ List Guidelines: http://www.oasis-open.org/maillists/guidelines.php
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