RE: [xsl] generate unknow table

Subject: RE: [xsl] generate unknow table
From: "John Wang" <jwang@xxxxxxxxxxx>
Date: Mon, 11 Jun 2001 17:12:55 -0500
Thanks a lot. I really appreciate your quick response.
It seems solve my problem. As you have seen, in my xml,
the <title> element is generated from display file, which
can be pre-generated; But the <data> element is generated
dynamically. I have to, somehow, merge these two part together
to make them one <display> element.

Which fields should be displayed is determined at run time.
I have a flag inside in <data> element, which was not shown
in the list just for simplicity. In the real case, something like:

<data>
  <record>
  <sel flag80="off">001</sel>
  <sflbr>002</sflbr>
  ...
  </record>
  ...
</data>

this will tell the xsl that the field <sel> should not be displayed.
fortunately, only <sel> element has this attribute.

and in the <title> element, we have something like:

<title>
	<sel flag="flag80">Selection</sel>
	...
</title>

which tells the XSL it should look for "flag80" in the same field
in the dynamic generated <record> element
to determine whether this field shall be displayed or not.
One more thing, we have actually some other flags too.

Do you still think it is possible to use XSLT? Or you think we
should change the original xml format? Change original xml format
for us is very hard, simply because the display file has been
using a lot, and its format is fixed.

Million thanks to you, Gareth!

-John


-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Gareth
Sylvester-Bradley
Sent: Monday, June 11, 2001 3:46 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE: [xsl] generate unknow table


I've no doubt that there's a complicated solution that will cope with the
generic case which your XML seems to suggest might occur - e.g. re-ordering
of columns in the data records, additional columns being specified or
certain columns missing. However, I'm wondering whether your format is
really as general purpose as this?

There is a trivial solution if you know that the *order* of the field nodes
in the title match the order of the nodes in the data records (and that none
are missing).

Simply

	<xsl:template match="data">
		<xsl:for-each select="record">
			<tr>
				<xsl:for-each select="*">
					<td>
						<xsl:value-of select="."/>
					</td>
				</xsl:for-each>
			</tr>
		</xsl:for-each>
	</xsl:template>

Of course, as always, the for-each loops *might* be clearer re-written as a
call to apply-templates with separate templates for each case.

But tell us how general your format is....

Hope that helps,
Gareth


-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of John Wang
Sent: 11 June 2001 21:26
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE: [xsl] generate unknow table



Hi, All

I have posted this question few days ago. It seems no body
even give a try to answer this question. Could someone tell
me this is impossible in XSLT? Or my question is not clear?

Thanks a lot in advance.


Here is my xml:

<?xml version="1.0"?>
<display>
	<title>
		<field id="sflbr">Br</field>
		<field id="sflcyc">Cycle</field>
		<field id="sfsts">P/I Status Description</field>
		<field id="pidate">P/I Date</field>
	</title>
	<data>
		<record>
			<sel>12</sel>
			<sflbr>001</sflbr>
			<sflcyc>200</sflcyc>
			<sfsts>This is a description</sfsts>
			<pidate>06-02-01</pidate>
		</record>
		<record>
			<sel>11</sel>
			<sflbr>002</sflbr>
			<sflcyc>210</sflcyc>
			<sfsts>This is a description too</sfsts>
			<pidate>06-11-01</pidate>
		</record>
	</data>
</display>

Here is my xsl:

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
	<xsl:output method="html"/>
	<xsl:template match="/">
		<html>
			<body>
				<table border="1">
					<xsl:apply-templates select="display/title"/>
					<xsl:apply-templates select="display/data"/>
				</table>
			</body>
		</html>
	</xsl:template>
	<xsl:template match="title">
		<tr>
			<xsl:for-each select="field">
				<td>
					<xsl:value-of select="."/>
				</td>
			</xsl:for-each>
		</tr>
	</xsl:template>
	<xsl:template match="data">
		<xsl:for-each select="record">
			<tr>
				<td>
					<xsl:value-of select="sflbr"/>
				</td>
				<td>
					<xsl:value-of select="sflcyc"/>
				</td>
				<td>
					<xsl:value-of select="sfsts"/>
				</td>
				<td>
					<xsl:value-of select="pidate"/>
				</td>
			</tr>
		</xsl:for-each>
	</xsl:template>
</xsl:stylesheet>

If you do the XSL transform, you will get the result I want to get.
The problem is, when I write the XSL, I don't know the columns I want to
display, until I read the coming XML. How can I get the field name
such as sflbr, sflcyc, sfsts, pidata from the display/title/field@id?

Thanks a lot.

-John



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