Kerry, Richard richard(_dot_)kerry(_at_)atos(_dot_)net wrote:
I am trying to write an XSLT stylesheet that does a multiple search and
replace. In order to make it work with multiple search/replace string
pairs I think I need to use recursion, calling the built-in replace
function for each pair. However I don't seem to be getting the
parameter set, or used, properly when I try to do the recursive call to
do the next pair.
I set up the pairs in a sequence of elements as follows:
<xsl:variable name="replace-spec" >
<replace source="smith_component" replacement="{$new-name}" />
<replace source="$ref-uuid-1" replacement="{$new-uuid-1}" />
<replace source="$ref-uuid-2" replacement="{$new-uuid-2}" />
</xsl:variable>
Here your variable is a tree fragment with three `replace` child elements.
<xsl:variable name="replace-1" select="$replace-spec/replace[1]" />
Here you select the first child element.
<xsl:variable name="source-text" as="xs:string"
select="$replace-1/@source <mailto:$replace-1/@source>" />
<xsl:variable name="replacement-text" as="xs:string"
select="$replace-1/@replacement <mailto:$replace-1/@replacement>" />
<xsl:variable name="template-text-2" as="xs:string" select="replace(
$source-string, $source-text, $replacement-text )" />
<xsl:variable name="replace-remainder"
select="$replace-1/following-sibling::*" />
Here you select the two following sibling elements
<xsl:choose>
<xsl:when test="$replace-remainder" >
<xsl:variable name="template-text-3"
as="xs:string" select="my:replace-sequence( $template-text-2,
$replace-remainder )" />
and pass them on, which means in the recursive call you are trying to
select the replace[1] child of those siblings, and they don't have
children.
So you rather want to set up the variable as
<xsl:variable name="replace-spec"
as="element(replace)*">...</xsl:variable>
then in the function select
<xsl:variable name="replace-1" select="$replace-spec[1]" />
and further on
<xsl:variable name="replace-remainder"
select="$replace-spec[position() gt 1]" />
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