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Re: double document merge using keys

Subject: Re: double document merge using keys
From: Michael Kay <mike@xxxxxxxxxxxx>
Date: Thu, 24 Jun 2010 21:42:56 +0100
Re:  double document merge using keys
By default, if you compare two untyped attributes using gt with an XSLT 2.0 processor, it compares them as strings, not as numbers. You should either make your processing schema-aware so it knows these attributes are numbers, or you should force them to be numbers by explicit casting.

Michael Kay

On 24/06/2010 19:58, Terry Ofner wrote:
Okay, when I try this template, I get unusual return.

<xsl:variable name="stand2page" select="document('teks2page2.xml')"/>

<xsl:template match="chapter">
        <xsl:for-each select="Chapterlesson">
             <xsl:copy-of select="@*"/>
             <xsl:variable name="localStart" select="startNum"/>
             <xsl:variable name="localEnd" select="endNum"/>
             <xsl:for-each select="$stand2page">
                  <range><xsl:copy-of select="$stand2page/standards/stand[@startNum&gt;= $localStart and @startNum&lt;= $localEnd]"/></range>

Everything is good until we get to the triple digits: <Chapterlesson code="6.1.2"> <ch>1</ch> <lesson>Collaborating Through the Writing Process</lesson> <startNum>13</startNum> <endNum>32</endNum> <range> <stand startNum="13" endNum="14">14.A.2</stand>

<!--I removed a bunch from here-->

          <stand startNum="30" endNum="30">14.D.3</stand>
          <stand startNum="31" endNum="31">14.E.3</stand>
          <stand startNum="132" endNum="132">16.A.2</stand>
          <stand startNum="133" endNum="133">14.A.1</stand>
		<!--many more like thes-->

Something is going wrong with the math. Is it seeing startNum="133" and seeing 13 or something?

On Jun 24, 2010, at 10:46 AM, Martin Honnen wrote:

Terry Ofner wrote:

I have a set of standards that need to be aligned with each lesson. The standards are coded to the page, not the lesson. Here is a snippet of the current xml of standardDoc.xml:
<stand startNum="5" endNum="5">19.A.4</stand>
<stand startNum="11" endNum="11">14.D.2</stand>
<stand startNum="11" endNum="11">14.D.3</stand>
<stand startNum="13" endNum="14">14.A.2</stand>
<stand startNum="15" endNum="15">14.A.1</stand>
<stand startNum="16" endNum="16">14.A.1</stand>
The following stylesheet works as far as it goes. It only captures the standards that match the start page of the lesson. What I need is way to address standards with startNum>= $localStart and<= $localEnd. Is there a way to do this using keys?
<xsl:template match="Chapterlesson">
<xsl:copy-of select="@*"/>
<xsl:variable name="localStart" select="startNum"/>
<xsl:variable name="localEnd" select="endNum"/>
<xsl:for-each select="$stand2page">
<stand><xsl:copy-of select="key('standPage', $localStart)"/></stand>
I am not sure the a key helps with a less than/greater than condition but you could certainly use e.g.
              <xsl:copy-of select="$stand2page/standards/stand[@startNum>= $localStart and @endNum&lt;= $localEnd]"/>
to simply formulate the condition with XPath.


	Martin Honnen

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