Subject: [xsl] swapping context, a grouping problem. From: DPawson@xxxxxxxxxxx Date: Tue, 5 Nov 2002 09:27:10 -0000 |
I'm processing some stuff that is derived from db tables. The main content (input document) is of the form <doc> <entry> <cat>category number </cat> <section>section number </section> </entry> </doc> For grouping, I have two other files cat.xml and section.xml cat.xml (the cat numbers increment from 1) <doc> <entry> <cat>cat number</cat> <ttl>category title </ttl> </entry </doc> and section.xml <doc> <entry> <section>section number</section> <ttl>section title</ttl> </entry> </doc> Its a case of grouping them by category and section to provide <cat> <hd>Category title </hd> <sect> <hd>Section title </hd> <entry> ... </entry I.e. to group by category then section. with context doc in the main file I have <xsl:template name="catSequence"> <xsl:param name="cats" select="document('category.xml')/doc"/> <xsl:param name="idx" select="1"/> <xsl:if test="$idx <= count($cats/entry)"> <xsl:variable name="thisCat" select="$cats/entry[$idx]/categoryID"/> <!-- All entries in this category --> <xsl:variable name="ents" select="entry[cat=$thisCat]"/> <category><head><xsl:value-of select="$cats/entry[categoryID=$thisCat]/category_Nam"/></head> <section> <xsl:for-each select="document('section.xml')/doc/entry[categoryID=$thisCat]"> <xsl:copy-of select="key('catandsection',concat(cat,'and',SectionID))"/> </xsl:for-each> </section> </category> <xsl:call-template name="catSequence"> <xsl:with-param name="idx" select="$idx + 1"/> </xsl:call-template> </xsl:if> </xsl:template> <xsl:key name="cat" match="entry" use="cat"/> <xsl:key name="catandsection" match="entry" use="concat(cat, 'and', SectionID)"/> the problem is that the keys are operating in a different document, hence the context is wrong to copy the entries through from the main source file. I can't figure a way of getting the section titles without iterating through them (in the sections.xml document) which screws the context up for the rest of the processing. Any help appreciated. Regards DaveP. **** snip here ***** - NOTICE: The information contained in this email and any attachments is confidential and may be legally privileged. If you are not the intended recipient you are hereby notified that you must not use, disclose, distribute, copy, print or rely on this email's content. If you are not the intended recipient, please notify the sender immediately and then delete the email and any attachments from your system. RNIB has made strenuous efforts to ensure that emails and any attachments generated by its staff are free from viruses. However, it cannot accept any responsibility for any viruses which are transmitted. We therefore recommend you scan all attachments. Please note that the statements and views expressed in this email and any attachments are those of the author and do not necessarily represent those of RNIB. RNIB Registered Charity Number: 226227 Website: http://www.rnib.org.uk XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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