Subject: Re: [xsl] Create XML from XPath expressions From: Michael Müller-Hillebrand <mmh@xxxxxxxxxxxxx> Date: Tue, 18 Aug 2009 16:39:14 +0200 |
Anyhow, I was looking for a way (an easy way) to transform the Path data into a document structure, since I need the whole branch and not just a single element, which I would get if I applied the (evaluated) XPath on the original document (e.g. copy-of).
Since the depth of the structure is not know it involves recursion. For creating a new structure out of your DIFF data try this (thanks to Kernow!):
<xsl:template match="Difference"> <xsl:variable name="steps" select="tokenize(Path, '[/]')[.]"/> <xsl:call-template name="create-element"> <xsl:with-param name="list" select="$steps"/> <xsl:with-param name="content" select="NewValue"/> </xsl:call-template> </xsl:template>
<xsl:template name="create-element"> <xsl:param name="list"/> <xsl:param name="content"/> <xsl:choose> <xsl:when test="count($list) = 2 and starts-with($list[2], '@')"> <xsl:element name="{$list[1]}"> <xsl:attribute name="{substring-after($list[2], '@')}" select="$content"/> </xsl:element> </xsl:when> <xsl:when test="count($list) = 1"> <xsl:element name="{$list[1]}"> <xsl:value-of select="$content"/> </xsl:element> </xsl:when> <xsl:otherwise> <xsl:element name="{$list[1]}"> <xsl:call-template name="create-element"> <xsl:with-param name="list" select="remove($list, 1)"/> <xsl:with-param name="content" select="$content"/> </xsl:call-template> </xsl:element> </xsl:otherwise> </xsl:choose> </xsl:template>
<Difference> <Type>update</Type> <Path>/item/street</Path> <NodeType>Element</NodeType> <NodeName>street</NodeName> <NewValue>2020 Washington Ave.</NewValue> </Difference>
<Difference> <Type>insert</Type> <Path>/item/street/@type</Path> <NodeType>Attribute</NodeType> <NodeName>type</NodeName> <NewValue>business</NewValue> </Difference>
<Difference> <Type>update</Type> <Path>/item/zip</Path> <NodeType>Element</NodeType> <NodeName>zip</NodeName> <NewValue>90210</NewValue> </Difference>
<Difference> <Type>update</Type> <Path>/item/city</Path> <NodeType>Element</NodeType> <NodeName>city</NodeName> <NewValue>Los Angeles</NewValue> </Difference>
<XmlDiffResult> <item><street>2020 Washington Ave.</street></item> <item><street type="business"/></item> <item><zip>90210</zip></item> <item><city>Los Angeles</city></item> </XmlDiffResult>
which can be stored in a variable and then unified, but only with the indices you mention.
-- _______________________________________________________________ Michael M|ller-Hillebrand: Dokumentations-Technologie Adobe Certified Expert, FrameMaker Lvsungen und Training, FrameScript, XML/XSL, Unicode Blog: http://cap-studio.de/ - Tel. +49 (9131) 28747
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