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[xsl] Re: Looping


Subject: [xsl] Re: Looping
From: Nathan Tallman <ntallman@xxxxxxxxx>
Date: Wed, 11 Apr 2012 16:29:29 -0400

Thank you Ken, Michele, and Liam! This is exactly what I needed. I'll
take a look at your video Ken, I'm just getting my feet wet in XSL and
need all the help I can get.

On Wed, Apr 11, 2012 at 4:01 PM, Nathan Tallman <ntallman@xxxxxxxxx> wrote:
> Hi XSL list,
>
> I'm a fairly new XSL user and am still figuring things out. Right now
> I'm having trouble looping through repeated elements.
>
> Here's my source XML snippet:
>
> <ead>
> ...
>    <archdesc>
>    ...
>        <did>
>        ...
>            <langmaterial encodinganalog="546">Collection material in
>                <language encodinganalog="041$a"
> langcode="eng">English</language>,
>                <language encodinganalog="041$a"
> langcode="yid">Yiddish</language>, and
>                <language encodinganalog="041$a"
> langcode="rus">Russian</language>.
>            </langmaterial>
>
> Here's my XSL snippet:
>
> <xsl:if test="/ead/archdesc/did/langmaterial">
>    <xsl:for-each select="/ead/archdesc/did/langmaterial/language[1]">
>        <marc:datafield tag="041" ind1=" " ind2=" ">
>            <marc:subfield code="a">
>                <xsl:value-of
>
select="normalize-space(/ead/archdesc/did/langmaterial/language[1]/@langcode)
"
> />
>            </marc:subfield>
>        </marc:datafield>
>    </xsl:for-each>
>
>    <xsl:for-each select="/ead/archdesc/did/langmaterial/language[2]">
>        <marc:datafield tag="041" ind1=" " ind2=" ">
>            <marc:subfield code="a">
>                <xsl:value-of
>
select="normalize-space(/ead/archdesc/did/langmaterial/language[2]/@langcode)
"
> />
>            </marc:subfield>
>        </marc:datafield>
>    </xsl:for-each>
>
>    <xsl:for-each select="/ead/archdesc/did/langmaterial/language[3]">
>        <marc:datafield tag="041" ind1=" " ind2=" ">
>            <marc:subfield code="a">
>                <xsl:value-of
>
select="normalize-space(/ead/archdesc/did/langmaterial/language[3]/@langcode)
"
> />
>            </marc:subfield>
>        </marc:datafield>
>    </xsl:for-each>
> </xsl:if>
>
> Right now, this achieves what I want. Each langcode is represented by
> an individual MARC 041 field. But, as you can see, I have hard coded
> each node sequentially. In my XSL, I repeat this ten times, in
> anticipation of more langcodes. Is there an easy way to code the
> output I want, and then have this loop until it has covered each
> instance of <language>?
>
> I've tried this:
>                           <xsl:if test="/ead/archdesc/did/langmaterial">
>                              <xsl:for-each
select="/ead/archdesc/did/langmaterial/language">
>                                 <marc:datafield tag="041" ind1=" " ind2="
">
>                                    <marc:subfield code="a">
>                                       <xsl:value-of
> select="normalize-space(/ead/archdesc/did/langmaterial/language/@langcode)"
> />
>                                    </marc:subfield>
>                                 </marc:datafield>
>                              </xsl:for-each>
>                           </xsl:if>
> But it only repeats the first @langcode three times, instead of having
> three distinct outputs.
>
> Many thanks!


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