Subject: Re: [xsl] can I *undefine* an attribute via xsl:attribute? From: "G. Ken Holman g.ken.holman@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Sat, 1 Aug 2020 15:47:33 -0000 |
~/t $ cat j.xsl <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0">
<xsl:template match="/"> <output> <xsl:call-template name="create-my-attributes"/> </output> </xsl:template>
<xsl:template name="create-my-attributes"> <xsl:variable name="attrs" as="element()"> <element> <xsl:call-template name="create-their-attributes"/> </element> </xsl:variable> <xsl:copy-of select="$attrs/@* except $attrs/@unwanted-attribute"/> </xsl:template>
<xsl:template name="create-their-attributes"> <xsl:attribute name="a" select="'a'"/> <xsl:attribute name="unwanted-attribute" select="'z'"/> <xsl:attribute name="b" select="'b'"/> </xsl:template>
</xsl:stylesheet>~/t $ xslt2 j.xsl j.xsl <?xml version="1.0" encoding="UTF-8"?><output a="a" b="b"/>~/t $
Hi all,
I would like to call a template that creates various attributes, then conditionally *undefine* certain attributes, using some **MAGIC** below:
<xsl:template name="create-my-attributes> <xsl:call-template name="create-their-attributes"/> <xsl:attribute name="unwanted-attribute" select=**MAGIC**/> </xsl:template>
A later xsl:attribute definition overrides an earlier value. But can I somehow define an attribute as "undefined" to uncreate it? The spec at
<https://www.w3.org/TR/xslt-30/#creating-attributes>https://www.w3.org/TR/xslt-30/#creating-attributes
doesn't mention this as an option, but I'm a novice and perhaps I missed something.
Thanks!
----- Chris Papademetrious Tech Writer, Implementation Group (610) 628-9718 home office (570) 460-6078 cell
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