At 2007-11-23 15:43 -0500, Michael Tracey Zellmann wrote:
I have a working solution, but I don't think it makes good use of
the language.
The years right now extend from 1842 through 1862.
I tried
<xsl:for-each select="1842 to 1862">
<tr><td><xsl:value-of select="."/></td>
<td>
<xsl:apply-templates select="documents/document[year = . and
contains(title, 'Selectmen')"/>
</td>
<td>
<xsl:apply-templates select="documents/document[year = . and
contains(title, 'School')"/>
</td>
</tr>
</xsl:for-each>
The template that matches document just displays the value of each
title element followed by a <br />
But, I get an error that I can't use documents in that way because the
context is atomic.
Correct ... the context item for the for-each is a number, it is not
a document node, so *any* XPath location path address of nodes is
going to fail because it doesn't know which document tree of nodes
you want to look in.
I was able to get the following to work, basically hand-coding one row
for each of the year values.
<tr><td>1859</td>
<td><xsl:apply-templates select="documents/document[year = 1859
and contains(title, 'Selectmen')]"/></td>
<td><xsl:apply-templates select="documents/document[year = 1859
and contains(title, 'School')]"/></td>
</tr>
(repeat this for each year)
But there must be a direct way to do this with the language.
Indeed: put your document nodes into a variable and then index off
of the variable when your context node is a number:
<xsl:variable name="docs" select="documents/document"/>
<xsl:for-each select="1842 to 1862">
<tr><td><xsl:value-of select="."/></td>
<td>
<xsl:apply-templates select="$docs[year = . and
contains(title, 'Selectmen')"/>
</td>
<td>
<xsl:apply-templates select="$docs[year = . and
contains(title, 'School')"/>
</td>
</tr>
</xsl:for-each>
I hope this helps.
. . . . . . . . . . . . Ken
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