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Re: XSL Newbie: How2 write transforms for variable XML
Subject: Re: XSL Newbie: How2 write transforms for variable XML
From: Joe Weder <jweder@xxxxxxx>
Date: Fri, 28 Jan 2005 14:21:41 -0500
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Ryan,
You are awesome dude! Thanks for the help. I really appreciate it. This
is a big help getting me started.
Ryan Graham wrote:
Using keys and grouping, you can generate some interesting output. You can
find out more about grouping at
http://www.jenitennison.com/xslt/grouping/muenchian.html. I'm not sure what
your output requirements are, but the stylesheet below will output an HTML
table, sorted for row comparison, regardless of the element names or order:
This stylesheet:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:key name="attrName" match="data/row/*" use="name()"/>
<xsl:variable name="uniqueAttr" select="data/row/*[generate-id() =
generate-id(key('attrName', name())[1])]"/>
<xsl:template match="/">
<html>
<body>
<table>
<thead>
<tr>
<xsl:for-each select="$uniqueAttr">
<xsl:sort select="name()"/>
<td>
<b>
<xsl:value-of select="name()"/>
</b>
</td>
</xsl:for-each>
</tr>
</thead>
<tbody>
<xsl:for-each select="data/row">
<xsl:variable name="rowChildren" select="*"/>
<tr>
<xsl:for-each select="$uniqueAttr">
<td>
<xsl:value-of select="$rowChildren[name()=name(current())]"/>
</td>
</xsl:for-each>
</tr>
</xsl:for-each>
</tbody>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Applied to this XML:
<data>
<row>
<attrA>red</attrA>
<attrB>128</attrB>
</row>
<row>
<attrC>foo</attrC>
<attrX>12.00</attrX>
<attrB>695</attrB>
</row>
</data>
Will produce the following table:
<html>
<body>
<table>
<thead>
<tr>
<td>
<b>attrA</b>
</td>
<td>
<b>attrB</b>
</td>
<td>
<b>attrC</b>
</td>
<td>
<b>attrX</b>
</td>
</tr>
</thead>
<tbody>
<tr>
<td>red</td>
<td>128</td>
<td/>
<td/>
</tr>
<tr>
<td/>
<td>695</td>
<td>foo</td>
<td>12.00</td>
</tr>
</tbody>
</table>
</body>
</html>
HTH,
Ryan
-----Original Message-----
From: Joe Weder [mailto:jweder@xxxxxxx]
Sent: Thursday, January 27, 2005 1:25 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: XSL Newbie: How2 write transforms for variable XML
I'm sure there is some way to create XSL that can work for limited
variability in XML content.
Simple example, consider a report that yields columnar data in which the
columns in the report will vary - which columns and their order:
Sample1.xml
<data>
<row>
<attrA>red</attrA>
<attrB>128</attrB>
</row>
</data>
Sample2.xml
<data>
<row>
<attrC>foo</attrC>
<attrX>12.00</attrX>
<attrB>128</attrB>
</row>
</data>
I want to know how I can develop XSL to handle the data without
hard-coding selects for specific names (attrA, attrB, attrC, attrD).
Additionally, I want to be able to define rules for each column. Like
justification, color, bold, etc. - would this be some kind of meta-data
or processing instructions?
Any suggestions would be greatly appreciated.
Forgive me if this is well understood, I could not find anything in the
archive 'cause I was probably not searching for the right keywords.
--
Joe Weder
Senior Software Developer/Architect
Intelligent Computer Systems
A Division of Global Beverage Group
717.295.7977 ext 614
www.gbg.com
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