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Subject: Re: [xsl] XSLT 1: From flat XML to tree hierarchy XML. Can't seem to find the right way to do it. From: Abel Braaksma Online <abel.online@xxxxxxxxx> Date: Thu, 25 May 2006 23:15:22 +0200 |
Cheers! Abel
<!--
At the root of our output tree emit the tableName for 'Root'
-->
<xsl:template match="/">
<tree id="0"> <!-- make sure to create an item of this category as well -->
<item text="{string(.)}" id="{@id}" />
</item>
</xsl:template> <!--
Catch-all rule to emit an item for each tableName, not processing
any children or siblings.
-->
<xsl:template match="twz:tableName">
<item text="{string(.)}" id="{@id}" />
</xsl:template>OUTPUT:
<tree id="0">
<item text="Root" id="Root">
<item text="Printers" id="Printers">
<item text="External Oce printers" id="13"/>
<item text="List of printers locally" id="12"/>
</item>
<item text="General" id="General">
<item text="Personnel" id="Personnel">
<item text="Signatures" id="Signatures">
<item text="List of signatures" id="20"/>
</item>
<item text="Other personnel member" id="10"/>
<item text="Final personnel member" id="11"/>
<item text="Child of Personnel" id="9"/>
</item>
<item text="General cooking table" id="16"/>
<item text="General General" id="17"/>
<item text="Genes of mambutam" id="18"/>
<item text="Generosity clears" id="19"/>
<item text="General usage table" id="15"/>
</item>
<item text="[New table 2]" id="7"/>
<item text="ee" id="8"/>
<item text="Very rooty table" id="14"/>
<item text="testcsv3" id="5"/>
</item>
</tree>I'm afraid I'm not following what you want done with the namespaces, but in general I think that if you are stuck doing this in XSLT 1.0 you can achieve your goal of emitting a tree from a flat list by using the Muenchian grouping technique:
http://www.jenitennison.com/xslt/grouping/muenchian.html
I'm dashing this off before I head to work, so apologies if it isn't as complete as you spec out. I *think* it does what you want in terms of the tree structure. Apologies if I've misunderstood what you are after!
<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0" xmlns:abel="http://something.com";>
<xsl:output indent="yes" />
<!-- table-by-category lets us look up all tableName elements matching a category --> <xsl:key name="table-by-category" match="abel:tableName" use="@category-name" />
<!-- At the root of our output tree emit the tableName for 'Root'
-->
<xsl:template match="/">
<xsl:element name="abel:tree">
<xsl:attribute name="id">0</xsl:attribute>
<!-- process the first tableName with a category-name matching 'Root' --> <xsl:apply-templates select="//abel:tableName[@category-name='Root'][1]" /> </xsl:element> </xsl:template>
<!-- Process each 1st tableName by emitting an item and
then processing its descendents and then its children.
-->
<xsl:template match="abel:tableName[generate-id(.)=generate-id(key('table-by-category', @category-name)[1])]">
<xsl:element name="abel:item">
<xsl:attribute name="text"> <xsl:value-of select="string(.)" /> </xsl:attribute>
<xsl:attribute name="id"> <xsl:choose> <xsl:when test="@id"> <xsl:value-of select="@id" /> </xsl:when> <xsl:otherwise> <xsl:value-of select="@category-name" /> </xsl:otherwise> </xsl:choose> </xsl:attribute>
<!-- process each 1st tableName which has a parent-category-name matching our category-name --> <xsl:apply-templates select="//abel:tableName [@category-parent-name=current()/@category-name] [generate-id(.)=generate-id(key('table-by-category', @category-name)[1])]" />
<!-- process all other tableName entries with the same category-name --> <xsl:apply-templates select="key('table-by-category',@category-name)[position() != 1]" />
</xsl:element> </xsl:template>
<!-- Catch-all rule to emit an item for each tableName, not processing any children or siblings. --> <xsl:template match="abel:tableName"> <xsl:element name="abel:item">
<xsl:attribute name="text"> <xsl:value-of select="string(.)" /> </xsl:attribute>
<xsl:attribute name="id"> <xsl:choose> <xsl:when test="@id"> <xsl:value-of select="@id" /> </xsl:when> <xsl:otherwise> <xsl:value-of select="@category-name" /> </xsl:otherwise> </xsl:choose> </xsl:attribute>
</xsl:element> </xsl:template>
</xsl:stylesheet>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - James A. Robinson jim.robinson@xxxxxxxxxxxx Stanford University HighWire Press http://highwire.stanford.edu/ +1 650 7237294 (Work) +1 650 7259335 (Fax)
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