RE: [docbook-apps] Using Schematron to define templates

["Dick Hamilton" <rlhamilton@frii.com>]

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:abdelazer@gmail.com] 
> Sent: Wednesday, May 21, 2008 9:27 AM
> To: Dick Hamilton
> Cc: Michael(tm) Smith; docbook-apps@lists.oasis-open.org
> Subject: Re: [docbook-apps] Using Schematron to define templates
> 
> 
> On Wed, May 21, 2008 at 8:14 AM, Dick Hamilton 
> <rlhamilton@frii.com> 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
>