Re: [xslt] How to use one Interface

[Daniel Veillard <veillard redhat com>]

On Thu, Sep 18, 2003 at 08:03:05PM -0300, Marcio Napoli wrote:
> In my XSL i have: 
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:lattes="http://www.cnpq.br/2001/XSL/Lattes";>
> and
> ...select="lattes:getNROIDCNPQ()"/
>  
> so, getNROIDCNPQ() is one function:
>     function getNROIDCNPQ: WideString; stdcall;
>  
> i used MSXML, so only is necessary to pass the interface, and already to
> process the parameters, but
> how it work in LibXml2 ?
>  
> Example:
> objLMSXML.addObject(intLLattesObj, 'http://www.cnpq.br/2001/XSL/Lattes')
> -> where intLLattesObj implements my function getNROIDCNPQ()

  see xsltRegisterExtFunction()
  http://xmlsoft.org/XSLT/html/libxslt-extensions.html#xsltRegisterExtFunction
and other interfaces in that module.
Building extension functions is not really trivial, especially
in C, see some of the internal routines in libxslt/functions.c

Daniel

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