html - XSLT - Dynamic nesting of elements -

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i'm working on stylesheet outputs html xml inputs. have generate different nesting levels in output file according position of list of elements in input. instance, news[1] , news[2] should nested under same element news[3] , news[4].

this example of xml input:

<news_list>     <news>         <title>title of notice #1</tile>         <img_url>http://media/image_1.png</img_url>     </news>     <news>         <title>title of notice #2</tile>         <img_url>http://media/image_2.png</img_url>     </news>     <news>         <title>title of notice #3</tile>         <img_url>http://media/image_3.png</img_url>     </news>     <news>         <title>title of notice #4</tile>         <img_url>http://media/image_4.png</img_url>     </news> </news_list>

desired html output:

<div class="middle>     <div class="unit 1">         <div class="unit 2">             <img src="http://media/image_1.png"/>             <p>title of notice #1</p>         </div>         <div class="unit 2">             <img src="http://media/image_2.png"/>             <p>title of notice #2</p>         </div>     </div>     <div class="unit 1">         <div class="unit 2">             <img src="http://media/image_3.png"/>             <p>title of notice #3</p>         </div>         </div class="unit 2">             <img src="http://media/image_4.png"/>             <p>title of notice #4</p>         </div>     </div> </div>

i using xslt position() function select elements , output files don't know how nest childs. appreciated.

i suggest browse news nodes in 2 phases:

    1. first phase: match odd position nodes: <xsl:apply-templates select="news[(position() mod 2)=1]" mode="unit1"/>

    ...and each one, apply second phase , next one: <xsl:template match="news" mode="unit1"> <div class="unit 1"> <xsl:apply-templates select="." mode="unit2"></xsl:apply-templates> <xsl:apply-templates select="following-sibling::news[1]" mode="unit2"/> </ div> </xsl:template>

    1. second phase: print each node processed. <xsl:template match="news" mode="unit2"> <div class="unit 2"> <img src="{img_url}" /> <p><xsl:value-of select="title"/></p> </ div> </xsl:template>

note there 2 templates matching news, differ in mode (which proper each phase).


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