Subject: RE: Incrementing a Global variable
From: Mukul Gandhi <mukulw3@xxxxxxxxx>
Date: Wed, 27 Aug 2003 09:39:07 -0700 (PDT)
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The XSLs (by Jarno and by -- Americo) are brilliant..
I was trying to solve the problem, but could'nt come
up with the solution soon..
Though the issue about incrementing the variables has
been discussed a lot on this list, I feel if there is
a feature where some sort of variable incrmenting is
possible in XSLT, it will save lot of programming
hours producing a trivial thing as generating serial
nos. I am not suggesting to deviate from the viewpoint
that XSLT should be a functional language.
But if lets say we are allowed to declare a global
variable and can increment it, it will make certain
tasks quite easy(like generating serial nos). Since
generating serial nos is a common requirement, IMHO
providing this capability in XSLT will help the user
community. Also if we can have looping constructs
which can iterate over number ranges for e.g.
for (int i=0; i < n; i++) , it will facilitate
processing loops in a diffrent way. Presently for-each
loop iterate over *node sets*. I guess these things
might be added to XSLT without deviating from the
objective to keep XSLT as a functional language.
The XSLT 2.0 spec is in draft stage. If appropriate,
these features can be thought to be added. Probably
more knowledgeable persons on this list -- M. Kay,
Dimitre, David Carlisle, Dave Pawson, Wendell, Jeni,
Jarno, Americo.. can comment on the appropriateness of
this idea ;)
Regards,
Mukul
--- Jarno.Elovirta@xxxxxxxxx wrote:
> Hi,
>
> > Also i have Isolated Problem Page from Actual
> output
> > which contains multiple pdf pages. This part is
> > conditionaly separated from other pdf pages (
> which
> > are
> > further grouped using Muenchian Method)
>
> Could you integrage this approach to your
> stylesheets?
>
> <?xml version="1.0"?>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
> <xsl:output method="html"/>
> <xsl:variable name="varRowLimit" select="15"/>
> <xsl:variable name="Student_Count"
> select="count(Students/Student)"/>
> <xsl:template match="Students">
> <title></title>
> <table>
> <tbody>
> <xsl:apply-templates select="Student[1]"/>
> </tbody>
> </table>
> </xsl:template>
> <xsl:template match="Student" name="Student">
> <xsl:param name="counter" select="1"/>
> <tr>
> <td>
> <xsl:value-of select="$counter"/>
> </td>
> <td>
> <xsl:value-of select="Name"/>
> </td>
> <td>
> <xsl:value-of select="TOption"/>
> </td>
> </tr>
> <xsl:variable name="next"
> select="following-sibling::Student[1]"/>
> <xsl:choose>
> <xsl:when test="not($next)">
> <tr>
> <td>
> <xsl:value-of select="$counter + 1"/>
> </td>
> <td>
> <xsl:text/>Total = <xsl:value-of
> select="$Student_Count"/>
> </td>
> <td></td>
> </tr>
> <xsl:call-template name="empty">
> <xsl:with-param name="counter"
> select="$counter + 2"/>
> <xsl:with-param name="left"
> select="$varRowLimit - $Student_Count - 3"/>
> </xsl:call-template>
> </xsl:when>
> <xsl:when test="TOption = $next/TOption">
> <xsl:apply-templates select="$next">
> <xsl:with-param name="counter"
> select="$counter + 1"/>
> </xsl:apply-templates>
> </xsl:when>
> <xsl:otherwise>
> <xsl:call-template name="empty">
> <xsl:with-param name="counter"
> select="$counter + 1"/>
> </xsl:call-template>
> <xsl:apply-templates select="$next">
> <xsl:with-param name="counter"
> select="$counter + 2"/>
> </xsl:apply-templates>
> </xsl:otherwise>
> </xsl:choose>
> </xsl:template>
> <xsl:template name="empty">
> <xsl:param name="counter" select="0"/>
> <xsl:param name="left" select="1"/>
> <xsl:if test="$left">
> <tr>
> <td>
> <xsl:value-of select="$counter"/>
> </td>
> <td></td>
> <td></td>
> </tr>
> <xsl:call-template name="empty">
> <xsl:with-param name="counter"
> select="$counter + 1"/>
> <xsl:with-param name="left" select="$left -
> 1"/>
> </xsl:call-template>
> </xsl:if>
> </xsl:template>
> </xsl:stylesheet>
>
> Cheers,
>
> Jarno - Feindflug: Größenwahn (Life Cried Remix)
>
> XSL-List info and archive:
> http://www.mulberrytech.com/xsl/xsl-list
>
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