Re: Processing inner elements

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Subject: Re: Processing inner elements
From: Abel Braaksma <abel.online@xxxxxxxxx>
Date: Fri, 29 Dec 2006 22:35:18 +0100

Guy wrote:

This must be a trivial question but I cannot find any reference to the
standard way of processing this. Here is a fragment of XML:

<para>This is a sentence<break/>
	<image src=http://site.com/image/image.jpg/><break/>
	And a second sentence.
</para>

Assuming that you are at the <para> node, how does one typically transform
that into the obvious HTML that is required?

In pre-babelish time, a lot was "obvious"; back then, things were sooo easy. However, those times have long gone, and little is obvious these days (unfortunately), and certainly not transforming X to Y ;) If I misunderstood you (see below), can you add some more info and paste what you got so far and what the input/output should look like?

But let me give it a try nevertheless. I assume that the obvious thing to do is to match "para" nodes to "p" tags, "image" nodes to "img" tags and "break" nodes to "br" tags. This is trivial in XSLT and the easiest thing I can think of is a simple identity template. Which is "obvious" xslt way when doing XML to XML (or html) transformation (you request for a "standard" way of doing things, I'm not sure such a thing exists, but if so, this may be it ;) . Search the FAQ for more info (I also like to recommend chapter 8 of XSLT Cookbook 2nd ed., O'Reilly, which goes into this in great and clear detail)

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">  <xsl:template match="node() | @*"> <xsl:copy> <xsl:apply-templates select="node() |@*" /> </xsl:copy> </xsl:template> <xsl:template match="image"> <img>  <xsl:apply-templates select="@*" /> </img> </xsl:template>

<xsl:template match="para"> <p> <xsl:apply-templates select="node() |@*" /> </p> </xsl:template> <xsl:template match="break"> <br /> </xsl:template> </xsl:stylesheet>

Use this on well-formed XML (your input above is not well-formed and cannot be used as input for XSLT) and you get this (I chose XML, but you may want to use HTML as output method):

<p>This is a sentence<br/>
   <img src="http://site.com/image/image.jpg/"/>
  <br/>
       And a second sentence.
</p>

I know that a straight <xsl:value-of...> and <xsl:copy-of...> will not work.

I wonder, what do you mean by "straight"? Because you can use very straightly value-of and copy-of, as long as you use it at the right spot. In my example above, I chose a different approach. If you show what you tried yourself, we can help you better getting it right.

HtH,

Cheers,
-- Abel
  http://www.nuntia.nl

Current Thread
Re: XPath behaviour, (continued) Message not available Wendell Piez - 28 Dec 2006 15:13:21 -0000 Wendell Piez - 28 Dec 2006 15:16:34 -0000 Michael Kay - 28 Dec 2006 22:54:50 -0000 Guy - 29 Dec 2006 20:03:01 -0000 Abel Braaksma - 29 Dec 2006 21:36:47 -0000 <= Guy - 30 Dec 2006 02:02:36 -0000

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