Subject: RE: [xsl] xsl:for-each...iteration question From: cknell@xxxxxxxxxx Date: Tue, 19 Apr 2005 13:14:07 -0400 |
This suggests a two-stage, pipeline processing model to me. The first stage would take your prohibited attribute name XML document and produce a second style sheet to process the "input doc". For the first stylesheet you have to fiddle with the namespaces so as not to confuse the processor. A good example of this is shown on page 255 of XSLT Programmer's Reference, 2nd Edition. <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xslt="output.xsl"> <xsl:namespace-alias stylesheet-prefix="xslt" result-prefix="xsl" /> <xsl:template match="/exclude-list"> <xslt:choose> <xsl:apply-templates /> <xslt:otherwise><xslt:copy-of select="." /></xslt:otherwise> </xslt:choose> </xsl:template> <xsl:template match="exclude-attr"> <xslt:when test="." /> </xsl:template> The stylesheet produced by the first transformation (and therefore is the stylesheet that processes "input doc") would have a construct like this: <xsl:choose> <xsl:when test="123" /> <xsl:when test="456" /> <xsl:otherwise><xsl:copy-of select="." /></xsl:otherwise> <xsl:choose> -- Charles Knell cknell@xxxxxxxxxx - email -----Original Message----- From: Paul Coletti <pcoletti@xxxxxxxxxx> Sent: Tue, 19 Apr 2005 18:19:29 +0200 To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> Subject: [xsl] xsl:for-each...iteration question This has been answered before I'm sure but doing a relevant search in the archives is tricky. I've an input doc containing a number of modify-attr elements <modify> <modify-attr attr-name = "abc"/> <modify-attr attr-name = "123"/> <modify-attr attr-name = "789"/> </modify> I have another document containing a list of prohibited attributes. <exclude-list> <exclude-attr>123</exclude-attr> </exclude-list> I want to iterate over my input doc and copy all those modify-attr elements that are NOT in the exclude list to the output. <xsl:template match="modify/modify-attr"> <xsl:variable name="currentAttr" select="@attr-name"/> <xsl:variable name="currentNode" select="."/> <xsl:for-each select="document('excludedoc')/exclude-list/exclude-attr"> <xsl:when test="$currentAttr=."> <xsl:message>Exclude</xsl:message> </xsl:when> <xsl:otherwise> <xsl:copy-of select="$currentNode"/> </xsl:otherwise> </xsl:for-each> </xsl:template> Obvisouly, this is flawed, I get multiple modify-attr elements copied to the output because I cannot see a way of ensuring the for-each only copies a permitted node once and once only. I've a feeling this is approaching the problem from the wrong way....
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