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Re: retaining entity declarations while converting fro

Subject: Re: retaining entity declarations while converting from one xml format to another
From: Ganesh Babu N <nbabuganesh@xxxxxxxxx>
Date: Wed, 16 Dec 2009 10:31:30 +0530
Re:  retaining entity declarations while converting fro

Please look at the saxon extension function saxon:doctype.


which provides the mechanism to create the entities. In your case you
have to re-generate the entities in XML file.


On Wed, Dec 16, 2009 at 6:23 AM, David Carlisle <davidc@xxxxxxxxx> wrote:
>> I am sorry I forgot to mention one piece of information here. These
>> input files were originally SGML and were then converted to well
> but assuming spoon.jpg is a jpeg file, the same would apply in SGML as
> well, image entities should be NDATA (not parsed) and referenced as
> attribute values, not using &  ; notation.
>> So when I do the <xsl:copy> the entities are not copied over.
> parsed entities (referenced by &) are expanded by the XML parser before
> XSLT even sees the input. So XSLT can not copy them as it never sees
> them.
> But you can not reference a jpg file that way.
> An NDATA entity is referenced as attribute value typically
> something like
> <!ENTITY spoon.jpg SYSTEM "spoon.jpg" NDATA jpg>
> ...
>  <image ref="spoon.jpg"/>
> ...
> if you access the entity this way, then the attribute value is available
> to xslt and you can look up the SYSTEM URI using unparsed-entity-uri().
> But you showed a parsed entity declaration
> <!ENTITY spoon.jpg SYSTEM "spoon.jpg" >
> which would be acceessed by
> & s p o o n . j p g ;
> such a reference would be expanded by the xml parser before xslt sees
> the data (and generate a fatal error if it is a jpeg file rather than
> xml)
> As you haven't shown how you are referencing the entities in the source
> file I can't really guess what to suggest.
> david
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