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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: grouping, sorting, splitting
 I found another bug in my stylesheet.. (there was a
wrong <tr> tag appearing)..
Following is the modified stylesheet -
<?xml version="1.0"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="html" indent="yes" />
<xsl:key name="by-date" match="entry" use="@date" />
<xsl:template match="/page">
<html>
<head>
<title/>
</head>
<body>
<table>
<xsl:for-each select="entry[generate-id() =
generate-id(key('by-date', @date)[1])]">
<xsl:for-each select="key('by-date',
@date)">
<xsl:sort select="title" />
<xsl:if test="(position() = 1) or
((position() - 1) mod 3 = 0)">
<xsl:variable name="pos"
select="position()" />
<xsl:call-template name="generateTRs">
<xsl:with-param name="node-set"
select="key('by-date', @date)[position() >=
$pos][position() <= ($pos + 2)]" />
</xsl:call-template>
</xsl:if>
</xsl:for-each>
<!-- a dummy row -->
<tr>
<td>-</td><td>-</td><td>-</td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
<xsl:template name="generateTRs">
<xsl:param name="node-set" />
<tr>
<xsl:for-each select="$node-set">
<td>
<xsl:value-of select="title" />
</td>
</xsl:for-each>
<xsl:call-template name="generateRemainingTDs">
<xsl:with-param name="n" select="3 -
count($node-set)" />
</xsl:call-template>
</tr>
</xsl:template>
<xsl:template name="generateRemainingTDs">
<xsl:param name="n" />
<xsl:if test="$n > 0">
<td/>
<xsl:call-template name="generateRemainingTDs">
<xsl:with-param name="n" select="$n - 1" />
</xsl:call-template>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
For e.g., when it is applied to XML -
<page>
<entry date="2005-04-15">
<title>foo</title>
</entry>
<entry date="2005-04-15">
<title>bar</title>
</entry>
<entry date="2005-04-15">
<title>baz</title>
</entry>
<entry date="2004-04-15">
<title>a</title>
</entry>
<entry date="2004-04-15">
<title>b</title>
</entry>
<entry date="2004-02-05">
<title>c</title>
</entry>
<entry date="2003-04-15">
<title>d</title>
</entry>
<entry date="2003-04-15">
<title>e</title>
</entry>
<entry date="2003-02-05">
<title>f</title>
</entry>
<entry date="2002-02-05">
<title>g</title>
</entry>
</page>
The output produced is -
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<table>
<tr>
<td>foo</td>
<td>bar</td>
<td>baz</td>
</tr>
<tr>
<td>-</td>
<td>-</td>
<td>-</td>
</tr>
<tr>
<td>a</td>
<td>b</td>
<td></td>
</tr>
<tr>
<td>-</td>
<td>-</td>
<td>-</td>
</tr>
<tr>
<td>c</td>
<td></td>
<td></td>
</tr>
<tr>
<td>-</td>
<td>-</td>
<td>-</td>
</tr>
<tr>
<td>d</td>
<td>e</td>
<td></td>
</tr>
<tr>
<td>-</td>
<td>-</td>
<td>-</td>
</tr>
<tr>
<td>f</td>
<td></td>
<td></td>
</tr>
<tr>
<td>-</td>
<td>-</td>
<td>-</td>
</tr>
<tr>
<td>g</td>
<td></td>
<td></td>
</tr>
<tr>
<td>-</td>
<td>-</td>
<td>-</td>
</tr>
</table>
</body>
</html>
Regards,
Mukul
--- David Carlisle <davidc@xxxxxxxxx> wrote:
> >
> Actually we just said that it's better (for your
> brain, if not for your
> computer) to do it in two passes. I did explictly
> note that since the
> sorting criterion is pretty simple in this case, you
> could probaby do it
> in one pass.
>
> David
>
>
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