Subject: Re: [xsl] double document merge using keys From: Michael Kay <mike@xxxxxxxxxxxx> Date: Thu, 24 Jun 2010 16:14:50 +0100 |
Michael Kay Saxonica
Is it possible to "key" on two values during a document merge? Let me explain.
I have document that includes lesson name and the page range of the lesson:
Writing with Power Pages 512
Collaborating Through the Writing Process Pages 1332
I have transformed the information into the following xml:
<chapter> <Chapterlesson code="6.1.1"> <ch>1</ch> <lesson>Writing with Power</lesson> <startNum>5</startNum> <endNum>12</endNum> </Chapterlesson> <Chapterlesson code="6.1.2"> <ch>1</ch> <lesson>Collaborating Through the Writing Process</lesson> <startNum>13</startNum> <endNum>32</endNum> </Chapterlesson> ... </chapter>
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:
<standards> <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> .... </standards>
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<= $localEnd. Is there a way to do this using keys?
<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0">
<xsl:variable name="stand2page" select="document('stand2page.xml')"/> <xsl:key name="standPage" match="stand" use="@startNum"/>
<xsl:template match="Chapterlesson"> <xsl:copy> <xsl:copy-of select="@*"/> <xsl:apply-templates/> <xsl:variable name="localStart" select="startNum"/> <xsl:variable name="localEnd" select="endNum"/> <xsl:for-each select="$stand2page"> <stand><xsl:copy-of select="key('standPage', $localStart)"/></stand> </xsl:for-each> </xsl:copy> </xsl:template>
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