[closed] Re: Storing binary data

Norman Walsh <ndw@nwalsh.com> writes:

> Toman_Vojtech@emc.com writes:
>> I know that XProc really is not aimed for handling binary data, but
>> since we already have steps such as p:xsl-formatter that store binary
>> content, and p:data/p:http-request for loading binary data into XProc,
>> perhaps a binary equivalent of p:store (which would take a c:data
>> wrapped content and store it as binary data) could be useful. But maybe
>> not for V1.
>
> It's an interesting point. XProc grew a fair bit of additional
> "binary" support late in the day with p:data and the various
> content-type options.
>
> Given that you can load a PNG, it seems odd that you can't store it.
>
> I suppose the simplest way to fix this problem would be to take
> advantage of the media-type serialization option. It would (I think)
> be conformant for an implementation to accept:
>
>   <p:store content-type="image/png" href="my.png">
>     <p:input port="source">
>       <p:inline>
>         <c:data content-type="image/png">BASE64ENCODEDDATA</c:data>
>       </p:inline>
>     </p:input>
>   </p:store>
>
> and write the decoded PNG data to my.png.
>
> Does anyone think that's not conformant?

The WG considered this problem and concluded that a note along the lines
outlined above was sufficient for V1.0.

                                        Be seeing you,
                                          norm

-- 
Norman Walsh <ndw@nwalsh.com> | Every vice you destroy has a
http://nwalsh.com/            | corresponding virtue, which perishes
                              | along with it.--Anatole France