NPE when rendering fo:block-container inside fo:inline

[Frank Worsley <fw...@gmail.com>]

Hello,

I am using the Antenna House XSL stylesheets to convert XHTML to
XML-FO. This works very well in most cases. However, I have come
across a problem where a fo:block-container inside a fo:inline will
cause an NPE.

An example FO file that exhibits this problem is attached. The stack
trace is also attached. If you remove the fo:inline that encloses the
fo:block-container, then everything works fine.

I'm wondering, is it even legal to have fo:block-container inside a
fo:inline? If it is legal, any chance that this problem has been fixed
in 0.95?

Thank you for any insights.

- Frank

Re: NPE when rendering fo:block-container inside fo:inline

[Vincent Hennebert <vh...@gmail.com>]

Hi Frank,

Frank Worsley wrote:
> Hello,
> 
> I am using the Antenna House XSL stylesheets to convert XHTML to
> XML-FO. This works very well in most cases. However, I have come
> across a problem where a fo:block-container inside a fo:inline will
> cause an NPE.
> 
> An example FO file that exhibits this problem is attached. The stack
> trace is also attached. If you remove the fo:inline that encloses the
> fo:block-container, then everything works fine.
> 
> I'm wondering, is it even legal to have fo:block-container inside a
> fo:inline?

Yes: the content model of fo:inline is the following:
    (#PCDATA|%inline;|%block;)*
and the %block; entity includes fo:block-container.


> If it is legal, any chance that this problem has been fixed
> in 0.95?

Your attached file runs fine with FOP 0.95, so that should be ok.


> Thank you for any insights.
> 
> - Frank

HTH,
Vincent

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