Hi all
I am having a hard time with XML. It's not that I don't understand the
concepts, but I really feel it wouldn't be that difficult if it wasn't for
the browsers.
Using the files below, IE gives expected results (by 'expected' I mean, it
gives the results that I wanted):
Mark
Peter
Bob
However, Firefox only lists Bob.
If anyone could tell me why, I would be really grateful.
My aim is to produce XML-based graphical (showing jpg images and data) and
database-driven websites that are fully functional in both the latest
version of Firefox and IE 6 SP1 onwards. Am I being unrealistic? Is there
any XML technology that can offer me consistent results in both browsers, or
am I being unrealistic?
Any thoughts would be appreciated!
With thanks
Hal
[file1: 1002people.xml]
<?xml version="1.0" standalone="no"?>
<?xml-stylesheet type="text/xsl" href="1002people.xsl" ?>
<!-- this is a list of people -->
<people>
<husband employed="Yes">
<name>Mark</name>
<age>46</age>
<wife>
<wname>Janet</wname>
<age>42</age>
</wife>
</husband>
<husband employed="No">
<name>Peter</name>
<age>33</age>
<wife>
<wname>Sally</wname>
<age>28</age>
</wife>
</husband>
<husband employed="No">
<name>Bob</name>
<age>38</age>
<wife>
<wname>Annie</wname>
<age>23</age>
</wife>
</husband>
</people>
[file2: 1002people.xsl]
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="husband">
<xsl:value-of select="name" /><br />
</xsl:template>
</xsl:stylesheet> 14  1556 
Hal wrote:
Using the files below, IE gives expected results (by 'expected' I mean, it
gives the results that I wanted):
Mark
Peter
Bob
>
[file1: 1002people.xml]
<?xml version="1.0" standalone="no"?>
<?xml-stylesheet type="text/xsl" href="1002people.xsl" ?>
<!-- this is a list of people -->
<people>
<husband employed="Yes">
<name>Mark</name>
<age>46</age>
<wife>
<wname>Janet</wname>
<age>42</age>
</wife>
</husband>
<husband employed="No">
<name>Peter</name>
<age>33</age>
<wife>
<wname>Sally</wname>
<age>28</age>
</wife>
</husband>
<husband employed="No">
<name>Bob</name>
<age>38</age>
<wife>
<wname>Annie</wname>
<age>23</age>
</wife>
</husband>
</people>
[file2: 1002people.xsl]
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="husband">
<xsl:value-of select="name" /><br />
</xsl:template>
</xsl:stylesheet>
Try this:
[file2: 1002people.xsl]
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<xsl:apply-templates/>
</html>
</xsl:template>
<xsl:template match="husband">
<xsl:value-of select="name" /><br />
</xsl:template>
</xsl:stylesheet>
Hal schrieb:
Using the files below, IE gives expected results (by 'expected' I mean, it
gives the results that I wanted):
Mark
Peter
Bob
However, Firefox only lists Bob.
Firefox just has a different error recovery :-)
[...]
[file2: 1002people.xsl]
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="husband">
<xsl:value-of select="name" /><br />
</xsl:template>
</xsl:stylesheet>
You have to create a root element in the result tree.
--
Johannes Koch
In te domine speravi; non confundar in aeternum.
(Te Deum, 4th cent.)
Magnus - you beauty! Yes, that worked, thank you!
It was wrong of me to assume the browser was to blame.
Do you have any views about my other point, though? Is it realistic for me
to hope to use XHTML + XML + XSLT to drive Internet websites at this time?
Are these technologies supported well enough in the main browsers to allow
me to develop with them without having to write masses of extra code in
order to resolve compatibility issues?
I hope you can bear with me until I can clear this up in my head!
Thanks
Hal
Hal schrieb:
My aim is to produce XML-based graphical (showing jpg images and data) and
database-driven websites that are fully functional in both the latest
version of Firefox and IE 6 SP1 onwards.
Why do you want to do the transformation in the browser? It's more
reliable to do it on the server and then deliver HTML instead.
--
Johannes Koch
In te domine speravi; non confundar in aeternum.
(Te Deum, 4th cent.)
Johannes Koch wrote:
Why do you want to do the transformation in the browser? It's more
reliable to do it on the server and then deliver HTML instead.
Whether you do XSLT in the server or the browser, it's important to end
up with valid HTML. A bare <html>Foo<br /></htmldocument is still far
from valid
Client-side XSLT is workable these days, so long as you have adequate
fallbacks for the non-XSLT browsers. I'd tend to do it with an empty
HTML wrapper page and a JavaScript-driven transformation (i.e. AJAX)
though, rather than pure XML + XSLT. Pure XML to the browser has ugly
error behaviour if anything breaks - they're left staring at a dead
screen, they don't even have a link back to the homepage or non-XML
version.
Hal wrote:
Magnus - you beauty! Yes, that worked, thank you!
It was wrong of me to assume the browser was to blame.
Do you have any views about my other point, though? Is it realistic for me
to hope to use XHTML + XML + XSLT to drive Internet websites at this time?
Are these technologies supported well enough in the main browsers to allow
me to develop with them without having to write masses of extra code in
order to resolve compatibility issues?
I hope you can bear with me until I can clear this up in my head!
Thanks
Hal
I would think it's safe for most browsers. On the other hand, there are
very few examples of this in the wild. Considering the level of XML
support in the majority of browsers, I find it odd that it's not used
more. The only reason I can think of is that the cost of not supporting
older browsers is to high. I mean, if you are selling stuff on the web,
you don't want to loose customers based on their choice of browser.
Also, it is fairly simple to generate HTML on the server and send that
to the browser instead. Unless the user really need the XML for
something else than presentation, there is not much to gain.
But the thing is that HTML is served on almost all sites. This many
years after the creation of XML, I would expect at least some personal
homepages to use XML directly. This has not happened; XML never became
SGML for the web, not for presentation purposes anyway.
// Magnus
Those are very interesting points - thank you, Johannes and Andy, for your
replies.
Johannes - I would like to use PHP with a PostgreSQL db. Is this a good
combination? Could you explain how I can keep the transformation on the
server? Do you have any tips?
Andy - that sounds exactly what I need, because I would like the website
pages to be quite dynamic, using AJAX to re-sort columns etc. Do you have
any pointers, so that I could read up on this?
Thank you again
Hal
Magnus
You have raised some very interesting points, and I thank you for them
My problem is that I don't understand how HTML could be generated on the
server. Would you mind pointing me to some methods of doing this, please?
Again, thank you!
Hal
Hal schrieb:
Johannes - I would like to use PHP with a PostgreSQL db. Is this a good
combination? Could you explain how I can keep the transformation on the
server? Do you have any tips?
If you want to use PHP to do XSLT, then use a search engine with 'php xslt'.
--
Johannes Koch
Spem in alium nunquam habui praeter in te, Deus Israel.
(Thomas Tallis, 40-part motet)
Hal wrote:
My problem is that I don't understand how HTML could be generated on the
server. Would you mind pointing me to some methods of doing this, please?
That all depends on the capabilities of your server and your own
preferences. If it's your own server, you can do whatever you like, ASP.
PHP, Java, dotnet, etc, etc.
Otherwise you need to check what your hosting service provider supports.
Most providers support ASP and/or PHP. If you want to build something
that is reasonably platform independent (say you want to change
provider), then PHP is a safer choice.
// Magnus
Hi Magnus
Thank you again for your reply.
PHP5 is supplied on my sharedhosting server, and so this is the language I
will be using.
What I don't understand is how the server translates an XML+XSLT file into
XHTML. Can you tell me what modules should be included in the PHP
configuration in order for me to do this? What should I look for in
phpinfo()?
Thanks
Hal
Hal wrote:
PHP5 is supplied on my sharedhosting server, and so this is the language I
will be using.
What I don't understand is how the server translates an XML+XSLT file into
XHTML. Can you tell me what modules should be included in the PHP
configuration in order for me to do this? What should I look for in
phpinfo()?
libxslt is needed, see <http://www.php.net/manual/en/ref.xsl.php>.
--
Martin Honnen http://JavaScript.FAQTs.com/
Fantastic, Martin - I have it!
Thank you very much for yours and everyone's help. Although I am obviously
discovering all this a bit late in the day, I am getting very excited about
it.
Sincerely
Hal
Hal wrote:
PHP5 is supplied on my sharedhosting server, and so this is the language I
will be using.
Can you tell me what modules should be included in the PHP
configuration in order for me to do this? What should I look for in
phpinfo()?
First see http://www.php.net/xsl.
Then see http://mxdj.sys-con.com/read/200299.htm.
// Magnus This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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