XML Validation:

[David Bovill]

Thanks Jan - seems OSX comes with libxml and xmllint. xmllint looks good for
checking... lets see if they are also part of standard linux distros....

2009/6/15 Jan Schenkel <janschenkel at yahoo.com>

>
> XML Schema validation is a different animal from DTD validation.
> Whereas DTD validation is limited to the structure of the XML file (are
> there no eloements that are not defined in the DTD, are all the elements
> there, do they have the right attributes,etc) XML Schemas can also dictate
> the cardinality of the elements and their content.
> RevXML doesn't offer XML Schema validation. You can either use a shell()
> call to a command-line tool, or write your own external to wrap an existing
> C library.
>
> Jan Schenkel
> =====
> Quartam Reports & PDF Library for Revolution
> <http://www.quartam.com>
>
> =====
> "As we grow older, we grow both wiser and more foolish at the same time."
>  (La Rochefoucauld)
>
>
> --- On Mon, 6/15/09, David Bovill <david at architex.tv> wrote:
>
> > From: David Bovill <david at architex.tv>
> > Subject: XML Validation:
> > To: "How to use Revolution" <use-revolution at lists.runrev.com>
> > Date: Monday, June 15, 2009, 4:42 AM
> > Has anyone done XML validation using
> > Rev with and XML Schema? The docs say
> > you can use a DTD, but mention nothing about using a
> > schema...
> >
> > I'm looking to validate XML within Rev. Looking at the
> > docs, we can use:
> >
> >
> > > Use the revXMLValidateDTD function to validate an XML
> > tree against a DTD.
> > >
> > > Parameters:
> > > The treeID is the number returned by the
> > revCreateXMLTree or
> > > revCreateXMLTreeFromFile function when you created the
> > XML tree.
> > >
> > > The DTDText is a Document Type Definition.
> >
> >
> > I need to get the DTD from the url referenced in the XML
> > file - however the
> > XML file uses an XML-based alternative to DTD, ( XML Schema
> > ):
> >
> >    - http://www.w3schools.com/Xml/xml_dtd.asp
> >
> > The XML starts with something of the form:
> >
> > <?xml version="1.0"?>
> > > <XX xmlns="http://www.example.com/test/ui/" xmlns:xsi="
> > > http://www.w3.org/2001/XMLSchema-instance"
> > xsi:schemaLocation="
> > > http://www.example.com/test/ui/
> > ..\ExampleXML\Test.xsd">
> >
> >
> >  AFAIK, it is still not possible to use Rev to extract
> > these XML attributes
> > (they aall get put in "xmlns" - see bugzilla 231) Skipping
> > over that issue,
> > I could extract
> > xsi:schemaLocation="http://www.example.com/test/ui/.
> .\ExampleXML\Test.xsd"
> > with a script but then the url is a bit strange I'm
> > not sure how to get the text referenced. Any ideas?
> >
>
>
>
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