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Re: general string replace problem
- To: "Chris Nolte" <nolte at silicon-age dot com>
- Subject: Re: [xsl] general string replace problem
- From: Jeni Tennison <mail at jenitennison dot com>
- Date: Thu, 7 Jun 2001 18:22:32 +0100
- CC: xsl-list at lists dot mulberrytech dot com
- Organization: Jeni Tennison Consulting Ltd
- References: <008201c0ee15$d968c5a0$86230240@siliconage.net>
- Reply-To: xsl-list at lists dot mulberrytech dot com
Hi Chris,
> I'm still having problems using Jeni Tennison's general string
> replace template discussed in the FAQ:
> http://www.dpawson.co.uk/xsl/stringreplace.html#d44e34517
Oh dear. The problem is that the $search parameter in the
replace_strings template is being set through a result tree fragment
rather than through the select attribute. That means that when it's
used in the predicate later on, it's interpreted as boolean true
rather than as a number. If you just change that to:
<xsl:param name="search" select="1" />
it should work better.
However, I'd amend the template in any case to make it more efficient
by passing the node set of foo:search elements rather than an index
into that set (which means you're going off and finding it each time):
<xsl:template name="replace_strings">
<xsl:param name="input_text" />
<xsl:param name="search"
select="document('')/*/foo:string_replacement/foo:search" />
<xsl:variable name="replaced_text">
<xsl:call-template name="replace-substring">
<xsl:with-param name="text" select="$input_text" />
<xsl:with-param name="from" select="$search[1]/foo:find" />
<xsl:with-param name="to" select="$search[1]/foo:replace" />
</xsl:call-template>
</xsl:variable>
<xsl:choose>
<xsl:when test="$search[2]">
<xsl:call-template name="replace_strings">
<xsl:with-param name="input_text" select="$replaced_text" />
<xsl:with-param name="search" select="$search[position() > 1]" />
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$replaced_text" />
</xsl:otherwise>
</xsl:choose>
</xsl:template>
I hope that helps,
Jeni
---
Jeni Tennison
http://www.jenitennison.com/
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