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I'd already tried that - no joy.

I guess that %ucs2(' ') will convert to hex 20, whereas my data field contains hex 40 following the XML-INTO. Plus, as far as I can tell, it shouldn't be required to convert ' ' to ucs2. Implicit conversions take place when comparing different string data types.

My problem seems to be that prior to the XML-INTO, my data field contains all hex 20 (which is what I would expect). After XML-INTO, even though the XML tag doesn't exist, my data field contains all hex 40. It has been changed, whereas the IBM documentation states that it will remain unchanged.

Seems like an IBM bug ?



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Henrik Rützou
Sent: 14 February 2012 12:38
To: RPG programming on the IBM i / System i
Subject: Re: XML-INTO allowmissing=yes unicode

The unicode hex value for blank are u'0020'

This should work

if string = %ucs2(' ');

On Tue, Feb 14, 2012 at 1:06 PM, McGovern, Sean
<Sean.McGovern@xxxxxxxxxxxx>wrote:

Any idea what I need to do to ensure the unicode data is blank (hex
20) for missing XML tags ?


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Henrik Rützou
Sent: 14 February 2012 12:02
To: RPG programming on the IBM i / System i
Subject: Re: XML-INTO allowmissing=yes unicode

Sean,

if they are defined as Unicode (UCS2 that nearly equals UTF-16) so all
fields are DBCS since UTF-8 isn't supported in RPGLE or DB2.

UTF-8 is a little special because it shares x'00'-x'7F' with ASCII -
all other characters are encoded in a 2 to 4 byte "UNIT" where UTF-16
has all characters in a fixed 2 byte representation and UTF-32 has a
fixed 4 byte representation.

So when dealing with UTF-8 it has to be converted into EBCDIC or UCS2
in order to be read in the ROGLE program and/or stored in a DB2 table.



On Tue, Feb 14, 2012 at 12:45 PM, McGovern, Sean <
Sean.McGovern@xxxxxxxxxxxx
wrote:

Henrik,

Yes, I realise hex 40 is blank in EBCDIC, but none of my fields are
defined as character. My fields are defined as Unicode. When I view
the hex value prior to the XML-INTO operation, the value is all 20s.
After the XML-INTO, the hex value is all 40s. But the XML-INTO is
reading into a Unicode field. Plus, the IBM documentation states
that if the XML tag is missing, and allowmissing=yes is used, the
data will be the same value as prior to the XML-INTO.

Testing for *BLANK or *BLANKS will make no difference.

Sean


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Henrik Rützou
Sent: 14 February 2012 11:37
To: RPG programming on the IBM i / System i
Subject: Re: XML-INTO allowmissing=yes unicode

You get x'40' because the UTF-8 is converted into EBCDIC where x'40'
is equalt to ASCII/UTF-8 x'20'

Try to change your test to *BLANKS

On Tue, Feb 14, 2012 at 12:24 PM, McGovern, Sean <
Sean.McGovern@xxxxxxxxxxxx
wrote:

IBM i 6.1.
I have a XML document on the IFS. CCSID is 1208.
A cut-down version of the file may be...

<?xml version="1.0" encoding="UTF-8"?> <PURCHASEORDER> <HEADER>
<HEADERNOTES> </HEADERNOTES> </HEADER> </PURCHASEORDER>

...this structure is defined as follows...

<PURCHASEORDER> <HEADER> <HEADERNOTES> <POHDRNOTE></POHDRNOTE>
</HEADERNOTES> </HEADER> </PURCHASEORDER>

In the RPGLE, this is defined as follows: -
D PO DS Qualified Inz
D Dim( POIdxMax )
D Header...
D LikeDS( Header_t )
D Header_t...
D DS Qualified
D Based( Template )
D HeaderNotes...
D LikeDS( HeaderNotes_t )
D HeaderNotes_t...
D DS Qualified
D Based( Template )
D POHdrNote...
D 50c Inz
D Dim( POHdrNteIdxMax )
read as follows...

options = 'doc=file + path=Update/member/PurchaseOrder
+ case=any + allowextra=yes
+ allowmissing=yes';
xml-into PO %xml( xmlfile : options );

When the POHdrNote data is not present in the XML, I expect the
PO(x).Header.HeaderNotes.POHdrNote(x) data field to contain blanks.
However, when I look at the hex values of the field in debug, the
hex value is all 40s (I would expect hex values of all 20s for
unicode
?).
When I test in the program whether the data is *Blank, the test
gives me the wrong result.
Why am I getting hex value of 40s rather than 20s when the data
tags are missing from the XML ?
Thanks.

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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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--
Regards,
Henrik Rützou

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