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RE: Any parsers support multiple validation errors from validation?

• From: "David Orchard" <orchard@p...>
• To: "Richard Tobin" <richard@c...>, <xml-dev@x...>
• Date: Thu, 22 Jun 2000 17:43:16 -0700

I don't believe that they all do.  To quote the apache RevalidatingXMLParser
validate method:
"Given a node which is a DOM tree (or subtree), validate the tree against
the current DTD. If the tree is valid, return null. If the subtree is
invalid return the highest (closest to the root) and left most node which
causes the tree to be invalid."

The notion of revalidating is exactly the use-case that I have.  An XML
message has been sent from a client, and I want to validate it against an
internal schemata that I may or may not have disclosed to that client.  SOAP
message validation is a classic case of this where there is no doctype
declaration allowed in the message, yet I wish validation.  Even if a
doctype was allowed, I wouldn't trust my validation to the schemata defined
by the person sending the message!

Cheers,
Dave

-----Original Message-----
From: owner-xml-dev@x... [mailto:owner-xml-dev@x...]On Behalf Of
Richard Tobin
Sent: Thursday, June 22, 2000 3:27 PM
To: xml-dev@x...
Subject: Re: Any parsers support multiple validation errors from
validation?


In article <NEBBICJKPPBBECBMEBLLEEJHFBAA.dorchard@j...>,
David Orchard <dorchard@j...> wrote:

>Perhaps RTFM question, but I'd like to get multiple errors back from
>validating a document.  Typical use case is where an address has an error
in
>the zip code and the telephone # fields, and I'd like to report both to the
>user, not the first.  Ideally an XML Schema parser :-)

I would expect all validating parsers to do this, at least by default.
My parser (RXP) does, and so does our prototype schema validator.  There
are some cases where this might not happen; for example it is probably
best not to report the same undeclared element every time it occurs.

-- RIchard

--
Spam filter: to mail me from a .com/.net site, put my surname in the
headers.

"The Internet is really just a series of bottlenecks joined by high
speed networks." - Sam Wilson

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    • From: richard@c... (Richard Tobin)

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