Re: [xsl] Grouping lists from flat to nested

[Stefanie Haupt <st.haupt@xxxxxxxxx>]

I just solved it - thank you Martin, you gave me the direction how to do
this!
Kind regards,
Stefanie

On Mon, Jan 31, 2011 at 4:47 PM, Stefanie Haupt <st.haupt@xxxxxxxxx> wrote:
> Dear Martin,
>
> this looks great, thank you! B - the only downside is that the input to
> this grouping attempt is a variable containing the input. So I fear I
> can't use <template match="text"> here. I think I would need a new
> transformation document in the pipeline with this attempt - which I
> would love to avoid. - Or am I mistaken?
>
> Kind regards,
> Stefanie
>
> On Mon, Jan 31, 2011 at 3:05 PM, Martin Honnen <Martin.Honnen@xxxxxx>
wrote:
>
>>
>> Based on your explanation and the required result I think you should
rather
>> use group-adjacent than group-starting-with.
>> Here is an example stylesheet:
>>
>> <xsl:stylesheet
>> B xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
>> B xmlns:xs="http://www.w3.org/2001/XMLSchema";
>> B xmlns:mf="http://example.com/mf";
>> B version="2.0"
>> B exclude-result-prefixes="xs mf">
>>
>> B <xsl:strip-space elements="*"/>
>> B <xsl:output indent="yes"/>
>>
>> B <xsl:function name="mf:group" as="node()*">
>> B  B <xsl:param name="nodes" as="node()*"/>
>> B  B <xsl:param name="level" as="xs:integer"/>
>> B  B <xsl:if test="$nodes">
>> B  B  B <list type="ul">
>> B  B  B  B <xsl:for-each-group select="$nodes"
>> group-adjacent="boolean(self::*[@level = $level])">
>> B  B  B  B  B <xsl:choose>
>> B  B  B  B  B  B <xsl:when test="current-grouping-key()">
>> B  B  B  B  B  B  B <xsl:apply-templates select="current-group()"/>
>> B  B  B  B  B  B </xsl:when>
>> B  B  B  B  B  B <xsl:otherwise>
>> B  B  B  B  B  B  B <xsl:sequence select="mf:group(current-group(), $level
+ 1)"/>
>> B  B  B  B  B  B </xsl:otherwise>
>> B  B  B  B  B </xsl:choose>
>> B  B  B  B </xsl:for-each-group>
>> B  B  B </list>
>> B  B </xsl:if>
>> B </xsl:function>
>>
>> B <xsl:template match="@* | node()">
>> B  B <xsl:copy>
>> B  B  B <xsl:apply-templates select="@*, node()"/>
>> B  B </xsl:copy>
>> B </xsl:template>
>>
>> B <xsl:template match="item[@level]">
>> B  B <item>
>> B  B  B <xsl:apply-templates/>
>> B  B </item>
>> B </xsl:template>
>>
>> B <xsl:template match="test">
>> B  B <xsl:copy>
>> B  B  B <xsl:for-each-group select="*"
group-adjacent="boolean(self::item)">
>> B  B  B  B <xsl:choose>
>> B  B  B  B  B <xsl:when test="current-grouping-key()">
>> B  B  B  B  B  B <xsl:sequence select="mf:group(current-group(), 0)"/>
>> B  B  B  B  B </xsl:when>
>> B  B  B  B  B <xsl:otherwise>
>> B  B  B  B  B  B <xsl:apply-templates select="current-group()"/>
>> B  B  B  B  B </xsl:otherwise>
>> B  B  B  B </xsl:choose>
>> B  B  B </xsl:for-each-group>
>> B  B </xsl:copy>
>> B </xsl:template>
>>
>> </xsl:stylesheet>
>>
>> When applied to the input
>>
>> <test>
>> <p level="0">Der als Filmregisseur B <hi rend="bo">Alan Smithee</hi>
>> ist ein.. </p>
>> <p level="0">Das Pseudonym.. .</p>
>> <p level="0">Der Regisseur...</p>
>> <head2 level="0">Wissenswertes</head2>
>> <item level="0" type="ul">Alternative Schreibweisen..</item>
>> <item level="0" type="ul">Eine alternative Theorie...</item>
>> <item level="0" type="ul">Zu den ... </item>
>> <item level="1" type="ul">Don B </item>
>> <item level="1" type="ul">David Lynch </item>
>> <item level="1" type="ul">Chris Christensen </item>
>> <item level="1" type="ul">Stuart Rosenberg</item>
>> <item level="1" type="ul">Richard C. Sarafian</item>
>> <item level="1" type="ul">Dennis Hopper B </item>
>> <item level="2" type="ul"> level 3 ulitem</item>
>> <item level="1" type="ul">Arthur Hiller (fC<r ), </item>
>> <item level="1" type="ul">Rick Rosenthal (Birds II) und </item>
>> <item level="1" type="ul">Kevin Yagher </item>
>> <item level="0" type="ul">Zu den Drehbuchautoren </item>
>> <item level="1" type="ul">Sam Raimi und Ivan Raimi </item>
>> <head2 level="0">Weblinks</head2>
>> </test>
>>
>>
>> Saxon 9.3 outputs
>>
>> <test>
>> B  <p level="0">Der als Filmregisseur B <hi rend="bo">Alan Smithee</hi>
>> ist ein.. </p>
>> B  <p level="0">Das Pseudonym.. .</p>
>> B  <p level="0">Der Regisseur...</p>
>> B  <head2 level="0">Wissenswertes</head2>
>> B  <list type="ul">
>> B  B  B <item>Alternative Schreibweisen..</item>
>> B  B  B <item>Eine alternative Theorie...</item>
>> B  B  B <item>Zu den ... </item>
>> B  B  B <list type="ul">
>> B  B  B  B  <item>Don B </item>
>> B  B  B  B  <item>David Lynch </item>
>> B  B  B  B  <item>Chris Christensen </item>
>> B  B  B  B  <item>Stuart Rosenberg</item>
>> B  B  B  B  <item>Richard C. Sarafian</item>
>> B  B  B  B  <item>Dennis Hopper B </item>
>> B  B  B  B  <list type="ul">
>> B  B  B  B  B  B <item> level 3 ulitem</item>
>> B  B  B  B  </list>
>> B  B  B  B  <item>Arthur Hiller (fbbr ), </item>
>> B  B  B  B  <item>Rick Rosenthal (Birds II) und </item>
>> B  B  B  B  <item>Kevin Yagher </item>
>> B  B  B </list>
>> B  B  B <item>Zu den Drehbuchautoren </item>
>> B  B  B <list type="ul">
>> B  B  B  B  <item>Sam Raimi und Ivan Raimi </item>
>> B  B  B </list>
>> B  </list>
>> B  <head2 level="0">Weblinks</head2>
>> </test>
>>
>>
>>
>>
>> --
>>
>> B  B  B  B Martin Honnen
>> B  B  B  B http://msmvps.com/blogs/martin_honnen/
>>
>>
>
>
>
> --
> Stefanie Haupt, M.A.
>



--
Stefanie Haupt, M.A.