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Subject: RE: [docbook] how to throw error if imagedata not found
Ok, here’s a way using Saxon 9: <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:db="http://docbook.org/ns/docbook" xmlns:file="java.io.File" version="2.0"> <xsl:template match="db:imagedata"> <xsl:message><xsl:value-of
select="@fileref"/>: <xsl:value-of
select="file:exists(file:new(resolve-uri(@fileref,
base-uri(.))))"/></xsl:message><!--True if it’s there False if
it’s not --> </xsl:template> </xsl:stylesheet> David From: Cramer, David W
(David) [mailto:dcramer@motive.com] Oops..I wasn’t thinking. That will only work if all your images
are svg files…you’ll errors asking it to parse binary files :-) Sorry for the noise, David From: Cramer, David W
(David) [mailto:dcramer@motive.com] Hi Chris, Btw, I ran across a potentially better answer to your question
(depending on the behavior of your xslt processor): http://www.dpawson.co.uk/xsl/sect2/N2602.html#d3859e19 David From: Cramer, David W
(David) [mailto:dcramer@motive.com] Hi Chris, Here’s what we do: The build runs an xslt that produces a list of images used. Ant
then checks to make sure all are the images available and kills with a useful
error message the build if any are missing. To avoid an annoying
build/fail/fix/repeat cycle, the error message shows all missing images rather
than only listing the first missing image it finds. I think to do something like this within the xslt would require
that you write an extension/call out to java. David From:
jwcampbell@gmail.com [mailto:jwcampbell@gmail.com] On Behalf Of Jim
Campbell Hi there, Chris, On Wed, Oct 13, 2010 at 9:16 AM, chris snow <chsnow123@gmail.com> wrote: Is it possible for an error to
be thrown during processing if a file It might not be exactly what you are looking for, but one
option would be to include the image via an xinclude mechanism, and then
include a xinclude fallback. It might go something like this: <mediaobject> <xi:include
fileref="../../images/coding-cycle.png"> You would need to use a DTD or schema (or at least a
DTD fragment) that allows for use of xinclude. I hope this helps,
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