Re: Recursion Examples

Assuming by "tree" you mean an output file, in the example below I'm using
XHTML.  I'm not 100% certain of the syntax but this is the logic you would want
to use.

<xsl:template match="version">
    <ul>
        <li>
            <xsl:apply-templates select="module[parentid='0']" />
        </li>
    </ul>
</xsl:template>

<xsl:template match="module">
    <ul>
        <li>
            <xsl:value-of select="name" />
            <xsl:apply-templates>
                <xsl:attribute name="select">
                    <xsl:text>../module[@parentid='</xsl:text><xsl:value-of
select="id" /><xsl:text>']</xsl:text>
                </xsl:attribute>
            </xsl:apply-templates>
        </li>
    </ul>
</xsl:template>

Jon Wynacht wrote:

> Hi,
>
> I was hoping somebody could point me to an example of buidling a tree down
> to n nodes. I have xml that looks like this:
>
> <version>
>         <module>
>                 <id>0</id>
>                 <name>foo</name>
>                 <parentid>root</parentid>
>         </module>
>         <module>
>                 <id>1</id>
>                 <name>foo</name>
>                 <parentid>0</parentid>
>         </module>
>         <module>
>                 <id>2</id>
>                 <name>foo</name>
>                 <parentid>1</parentid>
>         </module>
>         <module>
>                 <id>3</id>
>                 <name>foo</name>
>                 <parentid>2</parentid>
>         </module>
> </version>
>
> There could be multiple module elements each with different parentid and I
> need to be able to build a tree that represents the data. I'm sure somebody
> has done this before.
>
> Pointers? Links? Thoughts?
>
> Thanks,
>
> Jon
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

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