Erdal,

It's hard to know what you're missing, exactly. On the other hand the
behavior you report is the correct behavior given the XDM (the data
model underlying BaseX).

The XDM presents an XML document as a tree of nodes, and does not
represent whether any text content (text node leaves of this tree)
have been represented, in a serialization (i.e., in XML as a
text-based data format amenable to parsing), using one or more CDATA
marked sections.

This means that unless you go to a lot of extra trouble, you won't
ordinarily be able to "round trip" a CDATA marked section through a
parsing and serialization cycle. (Plus, generally speaking, this
requirement is usually an effort to provide a functionality for which
there are better solutions in any case. Developers sometimes think
they need a CDATA marked section when they actually don't.)

On the other hand, serializers can often be configured with a
specification of where text nodes should be wrapped in CDATA marked
sections. See http://docs.basex.org/wiki/Serialization for BaseX's
support for this (using the cdata-section-elements parameter). This
won't let you "keep" CDATA marked sections in your input, but it does
let you get them into the output in places you designate.

Yet -- if this is related to your earlier thread -- I doubt that I
understand exactly why escaping your { as {{ is not as good a solution
as using a call to parse-xml() to wrap the XML syntax. Certainly I
don't see any reason why it should not perform as well: won't the call
to parse the string as XML take just as long as the bare XQuery syntax
parse, which is happening in any case? (Of course I have no
measurements.)

Cheers, Wendell

Wendell Piez | http://www.wendellpiez.com
XML | XSLT | electronic publishing
Eat Your Vegetables
_____oo_________o_o___ooooo____ooooooo_^

On Thu, Oct 24, 2013 at 3:06 AM, Erdal Karaca <erdal.karaca.de@gmail.com> wrote:
> Hi all,
> When using parse-xml(-fragment), wrapping CDATA sections are removed and the
> text content within the original CDATA is returned.
>
> For example:
> parse-xml-fragment("<newNode><data><![CDATA[{cdata}]]></data></newNode>")
>
> returns
>
> <newNode>
>   <data>{cdata}</data>
> </newNode>
>
> But I need this:
>
> <newNode>
>   <data><![CDATA[{cdata}]]></data>
> </newNode>
>
> Do I miss something?
>
> Thanks!
>

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