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Re: Canonicalization software

• To: Elliotte Rusty Harold <elharo@m...>
• Subject: Re: Canonicalization software
• From: Robin LaFontaine <robin@d...>
• Date: Mon, 2 Feb 2004 14:56:34 +0000
• Cc: "xml-dev@l..." <xml-dev@l...>
• In-reply-to: <p06010205bc4405766e74@[192.168.254.4]>
• References: <Pine.LNX.4.44L0.0402020007490.31828-100000@s...><p06010200bc43dac26600@[192.168.254.4]><a0602040cbc43ef0803be@[10.10.11.4]><p06010205bc4405766e74@[192.168.254.4]>

At 8:55 am -0500 2/2/04, Elliotte Rusty Harold wrote:
>After I've canonicalized, a straight text diff or binary compare can 
>find any differences. No fancy infoset comparisons are necessary. My 
>plan, if I can find a reliable tool, is just to generate some 
>canonicalized output from various input, then compare that output to 
>the output of my own canonicalizer to see if it's working correctly 
>or not. Given the current state of these tools and the lack of a 
>normative test suite I wouldn't be surprised if some of the 
>differences I turn up are bugs in the independent canonicalizer, so 
>I'll have to check each difference manually against the spec. 
>However, I should eventually be able to generate a reasonable test 
>suite for canonical XML by comparing enough independent 
>implementations and using the spec to figure out whose right when 
>they disagree.

That makes sense, and is nice and simple. I had imagined these tools 
were more advanced! I guess this means not many people are using 
canonicalizers commercially.

Robin

>--
>
>   Elliotte Rusty Harold
>   elharo@m...
>   Effective XML (Addison-Wesley, 2003)
>   http://www.cafeconleche.org/books/effectivexml           
>   http://www.amazon.com/exec/obidos/ISBN%3D0321150406/ref%3Dnosim/cafeaulaitA
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-- 
-- ---------------------------------------------------
Robin La Fontaine,
DeltaXML: "Change control for XML, in XML"
Email: robin@d...      http://www.deltaxml.com

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    • From: Rich Salz <rsalz@d...>
  • Re: Canonicalization software
    • From: Elliotte Rusty Harold <elharo@m...>
  • Re: Canonicalization software
    • From: Robin LaFontaine <robin@d...>
  • Re: Canonicalization software
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