[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: key(), generate-id question

Subject: Re: key(), generate-id question
From: "Endre Magyari" <endre@xxxxxxxxx>
Date: Mon, 11 Nov 2002 20:59:22 +0200
generate id xsl
Dear Americo,

Thank you!
One question: Do you rely on the strictly ascending order of the id values?

I will try it now,
Thanks!
Endre
----- Original Message -----
From: "Américo Albuquerque" <aalbuquerque@xxxxxxxxxxxxxxxx>
To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
Sent: Monday, November 11, 2002 8:39 PM
Subject: RE:  key(), generate-id question


> Hi Endre.
>
> Ttry this.
>
>  <xsl:template match="page">
>   <xsl:copy>
>   <xsl:apply-templates select="element[@_id] | element[not(@_id)]"/>
>   </xsl:copy>
>  </xsl:template>
>
>  <xsl:template match="element">
>   <element>
>   <xsl:attribute name="xmi.id">
>   <xsl:choose>
>    <xsl:when test="@_id">
>    <xsl:value-of select="@_id"/>
>    </xsl:when>
>    <xsl:otherwise>
>    <xsl:call-template name="generate-id"/>
>    </xsl:otherwise>
>   </xsl:choose>
>   </xsl:attribute>
>   </element>
>  </xsl:template>
>
>  <xsl:template name="generate-id">
>   <xsl:variable name="last"
> select="number(substring-after(preceding-sibling::element[@_id][1]/@_id,
> 'id'))"/>
>   <xsl:variable name="this"
> select="count(preceding-sibling::element[not(@_id)])+1"/>
>   <xsl:variable name="temp" select="concat('00000',$last+$this)"/>
>   <xsl:value-of
> select="concat('id',substring($temp,string-length($temp)-5))"/>
>  </xsl:template>
>
> they work with this xml:
> <page>
>  <element _id="id000001"/>
>  <element _id="id000002"/>
>  <element _id="id000003"/>
>  <element />
>  <element />
> </page>
>
> And produce this:
> <page>
>  <element _id="id000001"/>
>  <element _id="id000002"/>
>  <element _id="id000003"/>
>  <element _id="id000004"/>
>  <element _id="id000005"/>
> </page>
>
> If the structure of your xml is diferent (probably is) then you can
> change the 'element' in the templates by 'node()'
> Hope that this helps you.
>
>
> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Endre
> Magyari
> Sent: Monday, November 11, 2002 7:30 AM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  key(), generate-id question
>
>
> > You can't control how generate-id() works, but you could do something
> > like write a named template that will generate the ID. For example,
> > you could count the number of preceding elements that don't have an
> > _ID attribute and then add that value to the numeric part of the
> > nearest preceding element that *does* have an _ID attribute. All
> > doable with normal XSLT functions.
>
>
> Based on this, as far as now I could do an enumeration of all the _id
> values (as numbers) from the document, but I have no idea how to select
> the one with the maximal value out of them. And Also, I have no idea
> how/where to store the new id values being assigned. The problem is that
> I've no experience with declarative languages. I can not get used to the
> idea that a variable can not vary. What I would do is that (if
> curr_value > max) max = curr_value. But how to do this here? Any help is
> greatly appreciated.
>
> <!-- ID Generator-->
> <xsl:template name="idgen">
>     <xsl:for-each select="node()">
>         <xsl:for-each select="@_id">
>             <xsl:number value="substring-after(current(),'id')"/>;
>         </xsl:for-each>
>     </xsl:for-each>
> </xsl:template>
>
> Thank you,
> Endre
>
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
>
>
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
>


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


Current Thread

PURCHASE STYLUS STUDIO ONLINE TODAY!

Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!

Buy Stylus Studio Now

Download The World's Best XML IDE!

Accelerate XML development with our award-winning XML IDE - Download a free trial today!

Don't miss another message! Subscribe to this list today.
Email
First Name
Last Name
Company
Subscribe in XML format
RSS 2.0
Atom 0.3
Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member
Stylus Studio® and DataDirect XQuery ™are products from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2013 All Rights Reserved.