At 00/07/05 07:27 -0400, Bruce Peat wrote:
>One of the problems facing B2B developers with XSLT is that the XML instance
>needs to run 'in-memory' real or virtual memory because XSLT doesn't have
>scope control as a tool based on input source
I'm not sure what you mean by that ...
>- making translation of some
>B2B type messages difficult (slow) if not impossible.
... so I can't follow to this conclusion. My impression is that XSLT would
be ideal because B2B transactions will be small and plentiful rather than
large and monolithic.
I say "ideal" because one doesn't need to write a large imperative
"transformation by program code" program to get accomplish translation when
a declarative "transformation by example" set of templates.
>Ken,
>
>Question on XSLT, I want to know if I have children, if I do I want to start
>an HTML table structure, and if I don't have children, I simply want to
>display some attribute information. How one know at the parent node this
>information,
On the parent node ...
Consider the structure where <desc> is optional:
<partNbr id="a123">
<desc>A bolt for a nut.</desc>
</partNbr>
And the stylesheet template rule:
<xsl:template match="partNbr"> <!--handle a part number-->
<xsl:choose>
<xsl:when test="desc"> <!--if the child "desc" exists"-->
<table>
<tr>
<td><xsl:value-of select="@id"/></td>
<td><xsl:value-of select="desc"/></td>
</tr>
</table>
</xsl:when>
<xsl:otherwise> <!--a child "desc" does not exist"-->
<p>Undescribed part number</p>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
Above I have hardwired the table creation ... you could just ask for the
children to be processed through template rules if there are other
decisions to be made about the child content.
>or is this handled with flag variables on the first occurance
>of the child?
Nope.
>Hope this question makes sense.
I think it did ... does the answer jibe?
XSL, XSLT and XPath questions would be better posted to the following list:
http://www.mulberrytech.com/xsl/xsl-list
There are a number of subscribers who would enthusiastically respond to
such questions.
There is also an *excellent* FAQ at:
http://www.dpawson.co.uk
Thanks!
.............. Ken
--
G. Ken Holman mailto:[EMAIL PROTECTED]
Crane Softwrights Ltd. http://www.CraneSoftwrights.com/e/
Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (Fax:-0995)
Web site: XSL/XML/DSSSL/SGML services, training, libraries, products.
Book: Practical Transformation Using XSLT and XPath ISBN1-894049-04-7
Next instructor-led training: 2000-09-19/20,2000-10-03,2000-10-04,
- 2000-10-05,2000-11-13,2001-01-27
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