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Re: [xsl] Question about isolating records

Subject: Re: [xsl] Question about isolating records
From: "G. Ken Holman g.ken.holman@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 5 Sep 2015 21:48:15 -0000

At 2015-09-05 21:35 +0000, Mark Wilson pubs@xxxxxxxxxxxx wrote:
I clearly am missing something.
My stylesheet (using the two records at the
bottom of this email) creates an empty @pdf-number.

<xsl:key name="pdf-key" match="Shelfmark"

That is backwards ... you want to populate the table with <Item> elements and you want the associated value for the table entry to be the <Shelfmark> value:

<xsl:key name="pdf-key" match="Item" use="Shelfmark"/>

... then you look up in the table for the desired value for Shelfmark.

        <xsl:template match="@* | node()">
        <xsl:copy copy-namespaces="no">
            <xsl:apply-templates select="@* | node()"/>

    <xsl:template match="Tag">
            <xsl:when test=". eq '852'">
name="crawford-number" select="@crawford-number"/>
name="pdf-number" select="key('pdf-key', PDF, @crawford-number)"/>

And that is incorrect as well, because the value you are looking up is the second argument, the tree is in the third argument (and it seems strange that you are picking only the one '852' value, so I'm generalizing here, but you can change it to be hard-coded if you need):

 <!--untested but I think it should work just fine-->
 <xsl:template match="Tag">
   <!--preserve the element-->
     <!--preserve all attributes-->
     <xsl:copy-of select="@*"/>
     <!--add an attribute only if there is a Crawford number-->
     <xsl:for-each select="@crawford-number">
       <!--get the value by looking up in the other document-->
       <xsl:attribute name="pdf-number"

I hope this helps.

. . . . . . Ken

p.s. review pages 319-323 of my XSLT book that you have

            <Data>General-Anzeiger fC<r
Philatelie.$bInternationales Insertions- Organ.</Data>
            <Tag crawford-number="Crawford 2411.">852</Tag>
            <Data>No.1-800. 10 Apr. 1883-15
Jan. 1913$aBritish Library$b5$cDPB$jCrawford

File 2:
        <Shelfmark>Crawford 2411.</Shelfmark>
        <Title>General-Anzeiger fC<r Philatelie.</Title>

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