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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: grouping, sorting, splitting
 Many thanks to everyone who replied to help me out, the whole
pipelining things has been like a bright light in a dark corner.
Thanks again,
Stephen
On 4/19/05, Mukul Gandhi <mukul_gandhi@xxxxxxxxx> wrote:
> 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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>
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--
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