Re: Slow XSLT

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Subject: Re: Slow XSLT
From: Cleyton Jordan <cleytonjordan@xxxxxxxxxxx>
Date: Mon, 3 Mar 2008 18:48:43 +0000 (GMT)

Hi Manfread,

I truly appreciate your help. You are real star :)

I have just seen your post and before I try your
changes I would like to ask you what this line does
i.e. which template does it call?

<xsl:apply-templates select="$set"/>

Where is this template being called from?

<xsl:template match="Col">
  <td colspan="{$msrs}">
   <div><xsl:value-of select="@heading"/></div>
  </td>
</xsl:template>

Cheers

C


--- Manfred Staudinger <manfred.staudinger@xxxxxxxxx>
wrote:

> Hi,
> 
> No wonder you felt confused, I was wrong. Only after
> sitting down with
> the problem I realized that this needs a recursive
> call for a named
> template: it is used to produce one row  with
> apply-templates and then
> go down one level. If we are at the bottom, process
> the Measures and
> quit.
> You will have no difficulty to add the attributes I
> left out for
> readability. If you want to use $axisHeads = false()
> then the most
> natural way would be to begin processing one level
> below by setting
> 	<xsl:variable name="set"
> select="Reports/Report/Columns/ColGrp/*"/>
> Hope this helps,
> 
> Manfred
> 
> XSLT:
> <?xml version="1.0" encoding="UTF-8" ?>
> <xsl:stylesheet version="2.0"
> 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
> <xsl:output indent="yes"/>
> <xsl:variable name="msrs"
> select="count(/Reports/Report/Measures/Measure)"/>
> 
> <xsl:template match="/">
> 	<html>
> 	<body>
> 		<table>
> 		<tbody>
> 			<xsl:variable name="set"
> select="Reports/Report/Columns/ColGrp"/>
> 			<xsl:call-template name="apply-set">
> 				<xsl:with-param name="set" select="$set"/>
> 			</xsl:call-template>
> 		</tbody>
> 		</table>
> 	</body>
> 	</html>
> </xsl:template>
> 
> <xsl:template name="apply-set">
> 	<xsl:param name="set"/>
> 	<tr>
> 		<xsl:apply-templates select="$set"/>
> 	</tr>
> 	<xsl:choose>
> 		<xsl:when test="$set/*">
> 			<xsl:call-template name="apply-set">
> 				<xsl:with-param name="set" select="$set/*"/>
> 			</xsl:call-template>
> 		</xsl:when>
> 		<xsl:otherwise>
> 			<tr valign="bottom">
> 				<xsl:for-each select="$set">
> 					<xsl:apply-templates
> select="/Reports/Report/Measures/*">
> 						<xsl:with-param name="pos"
> select="position()"/>
> 					</xsl:apply-templates>
> 				</xsl:for-each>
> 			</tr>
> 		</xsl:otherwise>
> 	</xsl:choose>
> </xsl:template>
> 
> <xsl:template match="ColGrp">
> 	<td colspan="{$msrs*count(.//Col)}">
> 		<div><xsl:value-of select="@heading"/></div>
> 	</td>
> </xsl:template>
> <xsl:template match="Col">
> 	<td colspan="{$msrs}">
> 		<div><xsl:value-of select="@heading"/></div>
> 	</td>
> </xsl:template>
> <xsl:template match="Measure">
> 	<xsl:param name="pos" />
> 	<td align="center">
> 		<div onclick="sortFullGrid({position()}, {$pos},
> '')">
> 			<xsl:value-of select="@heading"/>
> 		</div>
> 	</td>
> </xsl:template>
> 
> </xsl:stylesheet>
> 
> INPUT XML:
> <?xml version="1.0" encoding="UTF-8" ?>
> <Reports>
>  <Report>
>  <Measures>
>    <Measure idx="1" heading="Total Pages" />
>    <Measure idx="2" heading="Cost" />
>  </Measures>
>  <Columns>
>    <ColGrp heading="Quarter">
>      <ColGrp heading="2003">
>        <Col heading="Quarter 1" />
>        <Col heading="Quarter 2" />
>      </ColGrp>
>      <ColGrp heading="2004">
>        <Col heading="Quarter 1" />
>        <Col heading="Quarter 2" />
>      </ColGrp>
>    </ColGrp>
>    <ColGrp>
>      <ColGrp>
>        <Col heading="Total" />
>      </ColGrp>
>    </ColGrp>
>  </Columns>
>  </Report>
> </Reports>
> 
> OUTPUT HTML:
> <html>
>    <body>
>       <table>
>          <tbody>
>             <tr>
>                <td colspan="8">
>                   <div>Quarter</div>
>                </td>
>                <td colspan="2">
>                   <div></div>
>                </td>
>             </tr>
>             <tr>
>                <td colspan="4">
>                   <div>2003</div>
>                </td>
>                <td colspan="4">
>                   <div>2004</div>
>                </td>
>                <td colspan="2">
>                   <div></div>
>                </td>
>             </tr>
>             <tr>
>                <td colspan="2">
>                   <div>Quarter 1</div>
>                </td>
>                <td colspan="2">
>                   <div>Quarter 2</div>
>                </td>
>                <td colspan="2">
>                   <div>Quarter 1</div>
>                </td>
>                <td colspan="2">
>                   <div>Quarter 2</div>
>                </td>
>                <td colspan="2">
>                   <div>Total</div>
>                </td>
>             </tr>
>             <tr valign="bottom">
>                <td align="center">
>                   <div onclick="sortFullGrid(1, 1,
> '')">Total Pages</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(2, 1,
> '')">Cost</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(1, 2,
> '')">Total Pages</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(2, 2,
> '')">Cost</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(1, 3,
> '')">Total Pages</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(2, 3,
> '')">Cost</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(1, 4,
> '')">Total Pages</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(2, 4,
> '')">Cost</div>
>                </td>
>                <td align="center">
>                   <div onclick="sortFullGrid(1, 5,
> '')">Total Pages</div>
>                </td>
>                <td align="center">
> 
=== message truncated ===



		
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