Keith,
Thanks, this is just what I need. Looks more and more
like Schematron is going work very well for this application.
Dick
> -----Original Message-----
> From: Keith Fahlgren [mailto:]
> Sent: Wednesday, May 21, 2008 9:27 AM
> To: Dick Hamilton
> Cc: Michael(tm) Smith;
> Subject: Re: [docbook-apps] Using Schematron to define templates
>
>
> On Wed, May 21, 2008 at 8:14 AM, Dick Hamilton
> <> wrote:
> > Michael,
> >
> > Thanks for the pointers. I like to work from examples, so they
> > should be useful.
>
> We're planning on spinning up Schematron (with XPath 2.0) for exactly
> the same sort of stuff. Here's a very minimal example:
>
> <?xml version="1.0"?>
> <schema xmlns="http://purl.oclc.org/dsdl/schematron">
> <title>O'Reilly Bookinfo Test</title>
> <pattern>
> <title>Check Book Elements for Bookinfo</title>
> <rule context="book">
> <assert test="bookinfo">Book elements must have an
> bookinfo child</assert>
> <assert test="title">Book elements must have an title
> child</assert>
> </rule>
> </pattern>
> <pattern>
> <title>Check Bookinfo for proper structure</title>
> <rule context="bookinfo">
> <assert test="count(isbn) = 1">bookinfo must have one and only
> one isbn child</assert>
> <assert test="string-length(isbn[1]) = 13">isbn elements must be
> 13 characters long (no dashes or spaces)!</assert>
> <assert test="not(matches(isbn[1], '[^X0-9]'))">isbn elements
> must only contain ==[X0-9]== characters!</assert>
> <assert test="count(publisher) = 1">Each book requires one
> publishername</assert>
> <assert test="count(publisher/publishername) = 1">Each book
> requires one publishername</assert>
> <report test="title">Book's title's should be in the book
> element rather than the bookinfo</report>
> </rule>
> </pattern>
> </schema>
>
> <schema xmlns="http://purl.oclc.org/dsdl/schematron">
> <title>O'Reilly Mediaobject Test</title>
> <pattern>
> <title>Check For No Graphics</title>
> <rule context="/">
> <report test="descendant::graphic">graphic elements not
> allowed</report>
> <report test="descendant::inlinegraphic">inlinegraphic elements
> not allowed</report>
> </rule>
> </pattern>
> <pattern>
> <title>Check Mediaobject for proper structure</title>
> <rule context='mediaobject[not(@role="cover")]'>
> <assert test="imageobject[@role]">imageobject elements must have
> @role</assert>
> <report
> test='imageobject[@role="print"]/imagedata[not(@format="PDF")]
> '>imageobject[@role="print"]/imagedata
> must be @format="PDF"</report>
> <report
> test='imageobject[@role="web"]/imagedata[@format[not(.="PNG")
> and not(.="JPG") and
> not(.="GIF")]]'>imageobject[@role="web"]/imagedata must be
> @format="PNG|GIF|JPG"</report>
> <report test='imageobject[not(@role = "web" or @role =
> "print")]'>Use only @role="web" or @role="print" on imageobject
> elements</report>
> </rule>
> <rule context="imageobject[@role='print']">
> <assert test='imagedata[@format]'>imageobject elements must have
> @format</assert>
> <assert test='imagedata[@fileref[starts-with(.,
> "figs")]]'>imageobject[@role='print']/imagedata must have a @fileref
> starting with figs</assert>
> </rule>
> <rule context="imageobject[@role='web']">
> <assert test='imagedata[@format]'>imageobject elements must have
> @format</assert>
> <assert test='imagedata[@fileref[starts-with(.,
> "figs")]]'>imageobject[@role='web']/imagedata must have a @fileref
> starting with figs</assert>
> </rule>
> </pattern>
> </schema>
>
>
> HTH,
> Keith
>
