Subject: RE: [xsl] Tree Fragment - How do I test it AND output it? From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Tue, 18 Dec 2001 09:35:20 -0000 |
> How do I both test the "return" value from a template, and > output some of the result nodes? > You put the result in a variable (a "result tree fragment" or temporary tree): <xsl:variable name="tree"> <xsl:call-template name="make-tree"/> </xsl:variable> You can copy this tree to the result tree using copy-of: <xsl:copy-of select="$tree"/> You can access the string value of the tree tree directly (that is, the concatenation of its text nodes): <xsl:if test="string($tree)='tangerine'"/> To access the detailed structure of the tree you need the xx:node-set extension: <xsl:variable name="root" select="xx:node-set($tree)"/> You can then use path expressions or xsl:apply-templates to manipulate the tree in the same way as a source tree: <xsl:apply-templates select="$root" mode="temp-tree"/> Mike Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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