Re: reserved character in XML element value -- RPG400-L

David

in general CDATA is very seldom used and is actually constructed to be able
to send
binary data such as a PDF or TIFF file within the XML document and not to
be a workaround
for the few special characters in your XML

My best advise is to use one of the open source projects to construct your
XML. They
are there and they are used in thousands of programs that runs XML every
day without
problems and they are constructed based on many years of experience of
what the
"other end" accepts

On Tue, Jun 5, 2012 at 5:04 PM, David Baugh <davidb@xxxxxxxxxxxxxx> wrote:

Thanks everyone for the great info, and the links. My guess , as Scott
suggested, is that the provider does not support CDATA.

Thanks for confirming my perceptions.

-David

________________________________________
From: rpg400-l-bounces@xxxxxxxxxxxx [rpg400-l-bounces@xxxxxxxxxxxx] On
Behalf Of Henrik Rützou [hr@xxxxxxxxxxxx]
Sent: Tuesday, June 05, 2012 7:54 AM
To: RPG programming on the IBM i / System i
Subject: Re: reserved character in XML element value

But lets test it:

RPGLE code ...

clearSrvPgm();
setContent('');
echo('Your solution: &27 ;');
echo('<br>');
echo('My solution: &#39 ;');
echoToClient();
return;

The result:

http://89.239.242.111:6382/pextcgiCOR/testvern.pgm

On Tue, Jun 5, 2012 at 4:40 PM, Henrik Rützou <hr@xxxxxxxxxxxx> wrote:

No Vern,

%27 is the same as &#39

The first is an escaped char the second is an character entity

On Tue, Jun 5, 2012 at 4:33 PM, Vern Hamberg <vhamberg@xxxxxxxxxxx>

wrote:

&27 - same as &#39 - hex and decimal

On 6/5/2012 8:48 AM, Henrik Rützou wrote:

&apos isn't and HTML entity and should be encoded as&#39

Most browsers does recognize and render&apos but you may experience
problems in javascript

On Tue, Jun 5, 2012 at 3:00 PM, Vern Hamberg<vhamberg@xxxxxxxxxxx>

wrote:

I think this discussion has made a little sense out of something in

one

of our products - I had to HTML-encode things like apostrophes -&apos
did not always work - had to use&27, as I recall.

Now I just saw a site that differentiated HTML-encoding vs

XML-encoding

- the former has only 4 reserved characters, the latter has 5. The

5th

one is&apos - not part of HTML, therefore, not consistently rendered,

IME.

Nice!!

On 6/5/2012 4:05 AM, Larry Ducie wrote:

Hi David,

Firstly, the parser should not parse the content of a CDATA block.

That

doesn't mean it wont though. You are at the mercy of the

implementation and

they are not all standard. Anybody who has had to talk to many SOAP

servers

learns this lesson quickly.

See http://www.w3schools.com/xml/xml_cdata.asp for some details

confirming your belief.

Secondly, when escaping entities yourself there are a few characters

to

watch out for - not just the ampersand (&):

Certain characters are reserved because they form the structure of

the

markup language. they are<>'".

To escape them they are replaced by representations:

< goes to<

goes to>

' goes to'
" goes to"

Because the escaped representations begin with an ampersand (&) that

character is now also reserved! So we have to escape it too:

& goes to&

If you want to escape the characters yourself NEVER escape the

ampersand

last because escaping all the others introduces new ampersands into

the

markup and you want to leave those ones alone.

Finally, why work this out yourself? Use an open source tool to do

this.

Henrik has built a good one, and you can download mine at
http://sourceforge.net/projects/xmli/files/ They're free and much

used.

Cheers

Larry Ducie

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Regards,
Henrik Rützou

http://powerEXT.com <http://powerext.com/>

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Regards,
Henrik Rützou

http://powerEXT.com <http://powerext.com/>
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