Subject: [xsl] Temporary Trees and Parser Upgrades From: "Mark Shellenberger" <mshellenberger@xxxxxxxxx> Date: Tue, 10 Apr 2007 18:09:58 -0400 |
I have the following stylesheet that worked when parsing with Saxon 8.8.04 but no longer works with Saxon 8.9. I assume this is because some aspect of either xsl:variable or document() was tightened up to the standard and my implementation was sub-standard. The final goal of this stylesheet is to take in a single lookup table containing file pairs, combine the category element values of the category file with the entire content of the article in the pair. The output would have the category elements as children of the categories element. The combined structure would be output with the doi as the filename. There will be one output file for each pair of input documents identified in the lookup table.
I imagine that this stylesheet is a wonder of missed opportunities and strangely used structures. I'd appreciate any constructive comments you have on it. But, since it worked in Saxon 8.8 and I now need to use Saxon 8.9, my major concern is figuring out why it no longer works.
<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0"> <xsl:output method="xml" indent="yes"/> <xsl:template match="//PAIR">
<!-- Create variables to hold documents pointed to from index.xml --> <xsl:variable name="article" select="document(ARTICLE)"/> <xsl:variable name="category" select="document(CAT)"/>
<!-- Create temporary tree with entire article and descendents of the categories element --> <xsl:variable name="temp"> <xsl:apply-templates select="$article|$category//categories"/> </xsl:variable>
<!-- Creates output directories and filenames --> <xsl:variable name="doi_filename"> <xsl:text>/projects/working/</xsl:text><xsl:value-of select="//FOLDER"/><xsl:text>/</xsl:text><xsl:value-of select="substring-before($category//doi, '/')"/> <xsl:value-of select="substring-after($category//doi, '/')"/><xsl:text>.xml</xsl:text> </xsl:variable>
<!-- Output document with doi as filename --> <xsl:result-document href="$doi_filename"> <xsl:apply-templates select="$temp"/> </xsl:result-document> </xsl:template>
<!-- output category elements as children of article-meta/categories element --> <xsl:template match="//article-meta//categories"> <xsl:copy> <xsl:apply-templates select="//article-meta/following-sibling::categories//category"/> </xsl:copy> </xsl:template>
<!-- Drop all category elements --> <xsl:template match="/categories"/>
<!-- Identity Transform --> <xsl:template match="node()|@*"> <xsl:copy> <xsl:apply-templates select="@*"/> <xsl:apply-templates/> </xsl:copy> </xsl:template> </xsl:stylesheet>
Index.xml <INDEX> <WORKFOLDER>C:</WORKFOLDER> <FOLDER>Playground</FOLDER> <PAIRS> <PAIR> <ARTICLE>article1.xml</ARTICLE> <CAT>cat1.xml</CAT> </PAIR> <PAIR> <ARTICLE>article2.xml</ARTICLE> <CAT>cat2.xml</CAT> </PAIR> </PAIRS> </INDEX>
Cat1.xml: <article-category> <doi>10.9999/0000000000000</doi> <categories> <category>Jungle Gyms</category> <category>Swing Sets</category> <category>Monkey Bars</category> <category>Slides</category> </categories> </article-category>
Article1.xml <root doi="10.9999/0000000000000" type="journal"> <header> <journal-meta> <title>Journal of Playgrounds</title> <ISSN>0000-000x</ISSN> <volume>1</volume> <issue>4</issue> <date> <year>2003</year> <month>June</month> </date> <publication> <name>Me Enterprises</name> <location>Springfield, Simpson State</location> </publication> </journal-meta> <article-meta> <title>Playground Equipment</title> <subtitle>Alternative Methods and Conclusions</subtitle> <author> <person> <firstname>Bob</firstname> <middle>J.</middle> <surname>Smith</surname> <aff>University of Pennsylvania</aff> </person> </author> <startpage>98</startpage> <finishpage>119</finishpage> <categories/> </article-meta> </header> <body> </body> <references> </references> </root>
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