Subject: RE: [xsl] numbering question From: "Trevor Nicholls" <trevor@xxxxxxxxxxxxxxxxxx> Date: Wed, 24 Dec 2008 00:23:24 +1300 |
I understand that the numbering reflects the input document. There are multiple passes to the process and the document which I enclose here (rather simplified) is an intermediate stage. It is a single document; yes there are sourcefile paths stored in element attributes but all the content is already localised in the one input document as shown here. Ignoring the before and after pieces of the application, and just looking at the document as it stands, I cannot see why the numbering is generating duplicates. In the version included here I have modified the element titles to reflect how I would have expected the numbering to work. You can see the differences - hopefully the reason why my expectations are wrong will be clear to somebody! And as far as the purpose of these numbers is concerned, it doesn't matter whether the numbers are unique within the entire input document (as I would have expected), or only unique within the subfile headings (as they _almost_ are). What matters is that they are not duplicated at that subfile level (and sadly, under the myself4 heading, the 1.1.1 numbers are). Cheers Trevor XML === <?xml version="1.0" encoding="UTF-8"?> <document> <title>Top level introduction - 1</title> <included srcfile="introduction.xml"> <document> <title>Second level introduction - 1.1</title> <section> <title>Section introduction - 1.1.1</title> <para>text</para> </section> <section> <title>About - 1.1.2</title> <para>text</para> <section> <title>New - 1.1.2.1</title> <para>text</para> </section> <section> <title>Old - 1.1.2.2</title> <para>text</para> </section> </section> <section> <title>Help - 1.1.3</title> <para>text</para> </section> <section> <title>Conventions - 1.1.4</title> <para>text</para> </section> </document> </included> <included srcfile="starting.xml"> <document> <title>Starting - 1.2</title> <para>text</para> <section> <title>Before you start - 1.2.1</title> <para>text</para> </section> <section> <title>One way - 1.2.2</title> <para>text</para> </section> <section> <title>Another way - 1.2.3</title> <para>text</para> </section> </document> </included> <included secfile="basics.xml"> <document> <title>Basics - 1.3</title> <included srcfile="basics_first.xml"> <section> <title>Introduction - 1.3.1</title> <para>text</para> </section> </included> <included secfile="basics_second.xml"> <section> <title>Examples - 1.3.2</title> <para>text</para> </section> </included> <included srcfile="basics_third.xml"> <section> <title>Resources - 1.3.3</title> <para>text</para> </section> </included> </document> </included> </document> XSL === <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs"> <xsl:output method="text" /> <xsl:param name="myself" select="'myself'" /> <xsl:variable name="subfilecnt" select="count(//document)" /> <xsl:template match="/"> <xsl:apply-templates /> </xsl:template> <xsl:template match="document"> <xsl:call-template name="subfilename" /> <xsl:text>
</xsl:text> <xsl:call-template name="num-gen" /> <xsl:apply-templates /> </xsl:template> <xsl:template match="section"> <xsl:call-template name="num-gen" /> <xsl:apply-templates /> </xsl:template> <xsl:template name="num-gen"> <xsl:text> </xsl:text> <xsl:number count="document | section" level="multiple" /> <xsl:value-of select="concat(' - ',title)" /> <xsl:text>
</xsl:text> </xsl:template> <xsl:template match="text()" /> <xsl:template name="containing-doc"> <xsl:apply-templates select="." mode="containing-doc" /> </xsl:template> <xsl:template match="*" mode="containing-doc"> <xsl:choose> <xsl:when test="self::document"> <xsl:for-each select="title"> <xsl:call-template name="subfilename" /> </xsl:for-each> </xsl:when> <xsl:otherwise> <xsl:apply-templates select=".." mode="containing-doc" /> </xsl:otherwise> </xsl:choose> </xsl:template> <!-- return the output filename --> <xsl:template name="subfilename"> <xsl:value-of select="$myself" /> <xsl:call-template name="subfilenum" /> </xsl:template> <!-- return the output file number --> <xsl:template name="subfilenum"> <xsl:call-template name="padfilenum"> <xsl:with-param name="num"> <xsl:number count="document" level="any" /> </xsl:with-param> </xsl:call-template> </xsl:template> <!-- return num padded to the correct size --> <xsl:template name="padfilenum"> <xsl:param name="num" /> <xsl:choose> <xsl:when test="$subfilecnt > 999"><xsl:number value="$num" format="0001" /></xsl:when> <xsl:when test="$subfilecnt > 99"><xsl:number value="$num" format="001" /></xsl:when> <xsl:when test="$subfilecnt > 9"><xsl:number value="$num" format="01" /></xsl:when> <xsl:otherwise><xsl:number value="$num" format="1" /></xsl:otherwise> </xsl:choose> </xsl:template> </xsl:stylesheet> Output ====== myself1 1 - Top level introduction - 1 myself2 1.1 - Second level introduction - 1.1 1.1.1 - Section introduction - 1.1.1 1.1.2 - About - 1.1.2 1.1.2.1 - New - 1.1.2.1 1.1.2.2 - Old - 1.1.2.2 1.1.3 - Help - 1.1.3 1.1.4 - Conventions - 1.1.4 myself3 1.1 - Starting - 1.2 1.1.1 - Before you start - 1.2.1 1.1.2 - One way - 1.2.2 1.1.3 - Another way - 1.2.3 myself4 1.1 - Basics - 1.3 1.1.1 - Introduction - 1.3.1 1.1.1 - Examples - 1.3.2 1.1.1 - Resources - 1.3.3 -----Original Message----- From: Michael Kay [mailto:mike@xxxxxxxxxxxx] Sent: Tuesday, 23 December 2008 11:33 p.m. To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: [xsl] numbering question The xsl:number instruction generates a number that depends on the position of the current node in the input document. Although you typically want numbers attached to nodes in the result tree, you are actually computing numbers in relation to the source tree. If you have multiple source trees, you can't get a single numbering sequence except by doing a two-phase transformation - first generate a tree with the structure of the output, then transform it to add the numbers. Michael Kay http://www.saxonica.com/
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