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RE: XML/XSLT reading

2004-12-06 05:50:48
Thanks Michael

I suppose my question would now be, what advantage does XML/XSL have
over an XML (or tab separated list) and a Perl script in this example.

Thanks

Andy


On Mon, 2004-12-06 at 12:45 +0000, Michael Kay wrote:
XSLT can handle this without any problems, though you do need a driver
application of some kind to handle the returned form.

The display side is bread-and-buffer for XSLT, no problems here at
all.

On the editing side, there are two minor complications:

(a) you will need a server-side script of some kind to handle the
posted
request, extract the parameters, and invoke an XSLT transformation

(b) XSLT works by modifying the old version of the XML to create a
complete
new version. This may be inefficient if the file is very large and you
are
only changing one value; and you will also need to think about how to
manage
the files as they change (for example, do you need to keep the old
copy as a
backup, and if so, for how long).

However, neither of these is a serious obstacle.

Michael Kay
http://www.saxonica.com/

-----Original Message-----
From: Andy Ford [mailto:andy(_dot_)ford(_at_)telindus(_dot_)co(_dot_)uk]
Sent: 06 December 2004 11:30
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] XML/XSLT reading

Thanks Michael

I am putting together a language file/xml tree that will
allow a user to
read a site in French (FR), English (EN) etc etc. I
originally had it as
a tab separated list that was read in by Perl, and then decided to
change it to XML and get XSL to do the formatting.
Languages that have no value for the element will default to
English for
the user.

So, on one part of the site, the user will select his/her language
to
use. This is then written to a user specific config. I would need
the
XSL file to read in the config file to know which language to
display
(alonside the English version) in the languages file i.e. If they
have
chosen French, use XSL to format the XML file to display the
English and
then the French alongside so they can alter the French version of
that
word/phrase to display on the site. This is a simple process
in Perl but
I need to understand XML/XSLT to determine whether It can be of use
in
this example.

The XML tree structure is this ...

<languages>
    <script>GLOBAL
        <var>CHOOSE_A_LANGUAGE
            <string lang='EN'>Please choose a language</string>
            <string lang='ES'>Elija un idioma por favor</string>
            <string lang='FI'>Valitse kieli</string>
            <string lang='IT'>Per favore, scegli una lingua</string>
            <string lang='NL'>Selecteer een taal</string>
            <string lang='PT'>Escolha um idioma</string>
            <string lang='FR'></string>
            <string lang='NO'></string>
        </var>
        <var>GOLD
            <string lang ='DE'></string>
            <string lang ='DK'></string>
            <string lang ='EN'>Gold</string>
            <string lang ='ES'></string>
            <string lang ='FI'></string>
            <string lang ='FR'>Or</string>
            <string lang ='IT'></string>
            <string lang ='NL'></string>
            <string lang ='NO'></string>
            <string lang ='PT'></string>
            <string lang ='SE'></string>
        </var>
    </script>
</languages>

So reitterating on what I have above, the user would see
something like
this ...

CHOOSE_A_LANGUAGE
        EN: Please choose a language
        FR: [                      ]

GOLD
        EN: Gold
        FR: [Or                    ]

[Submit changes button]

And update the XML file with the French version when they
enter the text
and click on the 'Submit button'

I undertand now that I will need another script to post the data to
so
it can modify the XML file (apparently XSL can't do this directly!)

What do you suggest?

Thanks for listening

Andy

perl -e "print qq^bIG VeRN ! ^^qq^#'#Yv#=<D+ ^"

On Mon, 2004-12-06 at 11:16 +0000, Michael Kay wrote:
Can anyone provide me with some useful URLs so I can read up
on how and where XML and XSL is used ( in the real world ).

You'll find any number of pieces giving a local perspective on
this,
but I'm
not aware of anything that you'll find useful to address
the question
below.

I have a very specific
use which I am now implementing in Perl as I can't see a
valid reason to use XML/XSL.

I can think of many problems that would be better programmed in
Perl
than in
XSLT, so this shouldn't be a worry. But you wouldn't be posting
here
unless
you were uncertain of your decision. So explain it here,
and let's see
if
other people agree with your choice.

Michael Kay
http://www.saxonica.com/




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