Wrapping XML in CDATA - .NET Framework

But I Haven't Eaten Any Sweetcorn!

Hi all,
I have two XML DOMs and I am trying to insert one into another, so that

<?xml = ....>
<Body>
<Head>
</Head>
</Body>

and

<?xml = ....>
<Eyes>
</Eyes>

Now becomes

<?xml = ....>
<Body>
<Head>
<Eyes>
</Eyes>
</Head>
</Body>

I have this working, with no problem...but what I would like to do is
produce the
following output instead:

<?xml = ....>
<Body>
<Head>
<![CDATA[
<Eyes>
</Eyes>
]]>
</Head>
</Body>

Is there anyway to do this? It seems to be tricky to do, as you can't
precede the
root xml declaration in the 2nd XML structure, (and anyway, it gets cut
out during
the splice)

Best wishes

Paul

--
http://www.paullee.com

Jul 20 '05 #1

Subscribe Post Reply

7421

Patrick TJ McPhee

In article <40******@baen1673807.greenlnk.net>,
But I Haven't Eaten Any Sweetcorn! <pa********@aesystems.com> wrote:

[...using DOM, currently combine two documents to become one:]

% <?xml = ....>
% <Body>
% <Head>
% <Eyes>
% </Eyes>
% </Head>
% </Body>
%
% I have this working, with no problem...but what I would like to do is
% produce the
% following output instead:
%
% <?xml = ....>
% <Body>
% <Head>
% <![CDATA[
% <Eyes>
% </Eyes>
% ]]>
% </Head>
% </Body>

% Is there anyway to do this?

You need to convert the inserted document to a string, then add that
to the containing document as the text of a CDATA node in the
appropriate spot.

% Is there anyway to do this? It seems to be tricky to do, as you can't
% precede the
% root xml declaration in the 2nd XML structure, (and anyway, it gets cut
% out during
% the splice)

In a CDATA section, you can include anything you want, except for `]]>'.
If you don't want text that looks like an xml declaration, don't generate
one when you serialise the included document.

--

Patrick TJ McPhee
East York Canada
pt**@interlog.com

Jul 20 '05 #2

But I Haven't Eaten Any Sweetcorn!

Hi Patrick,
I think I understand. Do you mean finding the correct spot in the insert
DOM,
add a CDATA tag, and then insert the second DOM.

I'm currently experimenting by, rather than parsing in an input file in
Java, reading it in as a string (without the opening "<?xml..." declaration)
and trying to work
on this

of course, the following statement:
InputSource source = new InputSource(new StringReader( "<![CDATA[" +
inserted_text + "}}>" ));

inserted_text = builder.parse(source);

// inserting code goes here

....doesn't work....
- which would be ideal!

--

Cheers
Paul
------------------------------------------------
Paul's Squalid World at
http://www.paullee.com
"Patrick TJ McPhee" <pt**@interlog.com> wrote in message
news:c1**********@news.eusc.inter.net...

In article <40******@baen1673807.greenlnk.net>,
But I Haven't Eaten Any Sweetcorn! <pa********@aesystems.com> wrote:

[...using DOM, currently combine two documents to become one:]

% <?xml = ....>
% <Body>
% <Head>
% <Eyes>
% </Eyes>
% </Head>
% </Body>
%
% I have this working, with no problem...but what I would like to do is % produce the
% following output instead:
%
% <?xml = ....>
% <Body>
% <Head>
% <![CDATA[
% <Eyes>
% </Eyes>
% ]]>
% </Head>
% </Body>

% Is there anyway to do this?

You need to convert the inserted document to a string, then add that
to the containing document as the text of a CDATA node in the
appropriate spot.

% Is there anyway to do this? It seems to be tricky to do, as you can't % precede the
% root xml declaration in the 2nd XML structure, (and anyway, it gets cut % out during
% the splice)

In a CDATA section, you can include anything you want, except for `]]>'.
If you don't want text that looks like an xml declaration, don't generate one when you serialise the included document.

--

Patrick TJ McPhee
East York Canada
pt**@interlog.com

Jul 20 '05 #3

Dimitre Novatchev [MVP XML]

People have argued that doing this is a bad thing.
Cheers,

Dimitre Novatchev [XML MVP],
FXSL developer, XML Insider,

http://fxsl.sourceforge.net/ -- the home of FXSL
Resume: http://fxsl.sf.net/DNovatchev/Resume/Res.html
"But I Haven't Eaten Any Sweetcorn!" <pa********@baesystems.com> wrote in
message news:40******@baen1673807.greenlnk.net...

Hi all,
I have two XML DOMs and I am trying to insert one into another, so that

<?xml = ....>
<Body>
<Head>
</Head>
</Body>

and

<?xml = ....>
<Eyes>
</Eyes>

Now becomes

<?xml = ....>
<Body>
<Head>
<Eyes>
</Eyes>
</Head>
</Body>

I have this working, with no problem...but what I would like to do is
produce the
following output instead:

<?xml = ....>
<Body>
<Head>
<![CDATA[
<Eyes>
</Eyes>
]]>
</Head>
</Body>

Is there anyway to do this? It seems to be tricky to do, as you can't
precede the
root xml declaration in the 2nd XML structure, (and anyway, it gets cut
out during
the splice)

Best wishes

Paul

--
http://www.paullee.com

Jul 20 '05 #4

But I Haven't Eaten Any Sweetcorn!

Yes. Sadly I have no control over this, or doing it. It seems to be the
only
way to interface with legacy software!

--

Cheers
Paul
------------------------------------------------
Paul's Squalid World at
http://www.paullee.com
"Dimitre Novatchev [MVP XML]" <dn********@yahoo.com> wrote in message
news:c1*************@ID-152440.news.uni-berlin.de...

People have argued that doing this is a bad thing.
Cheers,

Dimitre Novatchev [XML MVP],
FXSL developer, XML Insider,

http://fxsl.sourceforge.net/ -- the home of FXSL
Resume: http://fxsl.sf.net/DNovatchev/Resume/Res.html
"But I Haven't Eaten Any Sweetcorn!" <pa********@baesystems.com> wrote in message news:40******@baen1673807.greenlnk.net...
Hi all,
I have two XML DOMs and I am trying to insert one into another, so that
<?xml = ....>
<Body>
<Head>
</Head>
</Body>

and

<?xml = ....>
<Eyes>
</Eyes>

Now becomes

<?xml = ....>
<Body>
<Head>
<Eyes>
</Eyes>
</Head>
</Body>

I have this working, with no problem...but what I would like to do is produce the
following output instead:

<?xml = ....>
<Body>
<Head>
<![CDATA[
<Eyes>
</Eyes>
]]>
</Head>
</Body>

Is there anyway to do this? It seems to be tricky to do, as you can't precede the
root xml declaration in the 2nd XML structure, (and anyway, it gets cut out during
the splice)

Best wishes

Paul

--
http://www.paullee.com

Jul 20 '05 #5

Patrick TJ McPhee

In article <40********@baen1673807.greenlnk.net>,
But I Haven't Eaten Any Sweetcorn! <pa********@aesystems.com> wrote:

% I think I understand. Do you mean finding the correct spot in the insert
% DOM,
% add a CDATA tag, and then insert the second DOM.

No, I mean that you convert the second DOM to a string, create
the CDATA node such that its content is that string, then insert the
CDATA node at the appropriate spot.

% I'm currently experimenting by, rather than parsing in an input file in
% Java, reading it in as a string (without the opening "<?xml..." declaration)
% and trying to work
% on this

If you're starting with a file rather than a DOM tree, then this is the way
to go. You might need to be careful about ]]> in the input, though.

% InputSource source = new InputSource(new StringReader( "<![CDATA[" +
% inserted_text + "}}>" ));

I don't see this as ideal. Once you start using an API like DOM, you should
use it. If you want to do the string manipulation yourself, then don't
use DOM for any of it -- find the spot in the text of the first file and
insert the appropriate text from the second. And don't use < when you
want <. If you're using DOM, though, you need to create a CDATA node with
the appropriate content and insert it into the tree.
--

Patrick TJ McPhee
East York Canada
pt**@interlog.com

Jul 20 '05 #6

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