[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Existing libraries/mechanisms for alphabetically sorting a
XSLT and XPath questions would be better posted to the following list: http://www.mulberrytech.com/xsl/xsl-list There are a number of subscribers who would enthusiastically respond to such questions. There is also an *excellent* FAQ at: http://www.dpawson.co.uk At 2004-02-10 09:50 +0800, Peter Loh Yoon Chao wrote: >I currently have XML files with a flat key-value structure and the elements >are unsorted and without proper formatting, e.g. >... >Are there any existing libraries or mechanisms to do the following? >- convert the file structure into a hierarchical tree structure XSLT can be used for this. >- alphabetically sorting the individual elements at each level Your very specific requirements can be met with ease, but I'm concerned that you've not adequately described your true requirements ... I can only work from your example. >- indent the individual nodes properly in the resulting XML file Indentation in XML is cosmetic. XSLT doesn't control indentation but implementations of XSLT can provide indentation when requested. I ask myself why you might be interested in indentation ... how does this help your downstream processes? >I would rather not reinvent the wheel if there are existing >libraries/mechanisms to do this sort of thing. An example is below that works with your data as supplied ... not sure if it will address your general case since that is not well described. For example, I have not accommodated any namespaces you might have in your real data. I hope this helps. ................................ Ken p.s. I'm teaching two publicly-subscribed courses in Hong Kong in May if you are interested in going to the Island for some hands-on instruction. t:\ftemp>type chao.xml <main> <e.f.g> <value xml:lang="en">data 2</value> </e.f.g> <a.b.c> <value xml:lang="en">data 1</value> </a.b.c> ... </main> t:\ftemp>type chao.xsl <?xml version="1.0" encoding="iso-8859-1"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> <xsl:output indent="yes"/> <xsl:template match="/*"> <xsl:copy> <xsl:copy-of select="@*"/> <!--assume all child names are three-components--> <xsl:for-each select="*"> <xsl:sort select="substring-before(local-name(.),'.')"/> <xsl:sort select="substring-before( substring-after(local-name(.),'.'),'.')"/> <xsl:sort select="substring-after( substring-after(local-name(.),'.'),'.')"/> <xsl:element name="{substring-before(local-name(.),'.')}"> <xsl:element name="{substring-before( substring-after(local-name(.),'.'),'.')}"> <xsl:element name="{substring-after( substring-after(local-name(.),'.'),'.')}"> <xsl:copy-of select="*"/> </xsl:element> </xsl:element> </xsl:element> </xsl:for-each> </xsl:copy> </xsl:template> </xsl:stylesheet> t:\ftemp>saxon chao.xml chao.xsl <?xml version="1.0" encoding="utf-8"?> <main> <a> <b> <c> <value xml:lang="en">data 1</value> </c> </b> </a> <e> <f> <g> <value xml:lang="en">data 2</value> </g> </f> </e> </main> t:\ftemp> -- Public courses: upcoming world tour of hands-on XSL training events Each week: Monday-Wednesday: XSLT/XPath; Thursday-Friday: XSL-FO Washington, DC: 2004-03-15 San Francisco, CA: 2004-03-22 Hong Kong: 2004-05-17 Germany: 2004-05-24 England: 2004-06-07 World-wide on-site corporate, government & user group XML training! G. Ken Holman mailto:gkholman@C... Crane Softwrights Ltd. http://www.CraneSoftwrights.com/x/ Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995) Male Breast Cancer Awareness http://www.CraneSoftwrights.com/x/bc
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