Re: [xml-dev] XML aggregation question?

[Florent Georges <darkman_spam@xxxxxxxx>]

Philippe Poulard wrote:

> >   Mmh.  Saxon uses a standard XPath function that takes
> > a URI as parameter.  I don't see what is not "à la
> > XPath".  You use an unknown function.  They smell
> > equally XPath IMHO.

> Read again my first post : the purpose is neither the name
> of the function nor about how to get the content of the
> file

  No.  You said "Saxon's syntax (sic) is not a la XPath,
mine is".

> My answer is : "why not using XPath everywhere in XML
> applications ?"

  Because we can use XML, also :-p.

> Pros :
> -a single syntax

  About syntax, the Saxon way *is* XPath, so nothing new.

> -a well-known syntax

  Yes, in both case.  In the other hand, one use a
well-known function, the other not.

> >   BTW, how do you specify to recurse or not?

> //* recurse
> /* do not recurse

> It's XPath

  So you can't specify recurse or not.  At least in XPath.
The function *have* to recurse and construct a document
containing information about all the subtree.  What about:

    collection('file:///?select=*.xml;recurse=no')

vs/

    file('file:///')/*[matches(@extension, '\.xml$')]

if / contains recursively milions of files?

>    And to validate or not?

> What means "validating a file" ?

  Not a file.  A document.  Remember we are speaking about
collection(), and collection() retrieve documents.

> > And how do you get the actual content of the files?  Are
> > they encapsulated directly in the result of file() (I
> > hope they are not), or do you need a second function
> > (something like open-file())?

> Everything can be considered here ; have a look at
> RefleX : there are

  Mmh, I speak about the concrete example you gave us:
file('...')//*[...].  You didn't say what file() returns.
It is a crucial point.

> >   But your approach is interesting, IMHO, with optional
> > arguments to specify switches, and assuming it returns
> > only file infos, not actual content.

> Of course, the content is returned only when it is
> required

  How it is required?

  Regards,

--drkm




















	
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