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[xsl] Replacing values in the input file with values from a second file

2009-04-07 09:15:07
Hi Everyone,

I have a seemingly simple transformation project, but there is a piece
of the puzzle that I'm missing. Maybe the solution isn't so simple,
after all. :-)


Here is my input file.

<topic id="A">
   <title>Menus</title>
   <topic id="AB">
      <title>Menu AB Details</title>
      <body>
         <p id="AB1">
            <uicontrol conref="AB1a"/>
         </p>
         <p id="AB2">
            <uicontrol conref="AB2a"/>
            <uicontrol conref="AB2b"/>
         </p>
       </body>
    </topic>
</topic>

For each uicontrol element, I'd like to substitute the element value
in a second file, whose id attribute value corresponds to the conref
value in the first file.

Here is the second file (navigation-labels.xml):

<topic id ="navigation-labels">
   <title>Navigation Labels</title>
   <body>
      <p><uicontrol id="AB1a">Oranges</uicontrol></p>
      <p><uicontrol id="AB2a">Apples</uicontrol></p>
      <p><uicontrol id="AB3b">Bananas</uicontrol></p>
   </body>
</topic>


Here is the output I'm trying to produce:

<topic id="A">
   <title>Menus</title>
   <topic id="AB">
      <title>Menu AB Details</title>
      <body>
         <p id="AB1">
            <uicontrol>Oranges</uicontrol>
         </p>
         <p id="AB2">
            <uicontrol>Apples</uicontrol>
            <uicontrol>Bananas</uicontrol>
         </p>
       </body>
    </topic>
</topic>


I've tried if statements and choose statements. Here is my current
transformation.

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">
        <xsl:output method="xml"/>

        <xsl:template match="node()|@*">
                <xsl:copy>
                        <xsl:apply-templates select="@*"/>
                        <xsl:apply-templates/>
                </xsl:copy>
        </xsl:template>
        <xsl:template match="uicontrol">
                <uicontrol>
                        <xsl:value-of
select="document('navigation-labels.xml')/topic/body/p/uicontrol[document('navigation-labels.xml')/topic/body/p/uicontrol
= .]"/>
                </uicontrol>
        </xsl:template>
</xsl:stylesheet>


And here is the current output. For each uicontrol element, the
transformation is substituting the first uicontrol element value in
the navigation-labels.xml file, rather than the value from the
corresponding uicontrol element.

<topic id="A">
   <title>Menus</title>
   <topic id="AB">
      <title>Menu AB Details</title>
      <body>
         <p id="AB1">
            <uicontrol>Oranges</uicontrol>
         </p>
         <p id="AB2">
            <uicontrol>Oranges</uicontrol>
            <uicontrol>Oranges</uicontrol>
         </p>
       </body>
    </topic>
</topic>


Thanks in advance for any help!

Mark

-- 

Mark Peters
Senior Technical Writer
Saba Software

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