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Editorial Team
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Asked: 2026-06-15T16:44:19+00:00

I have a HTML page with some Javascript that I’m trying to parse with

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I have a HTML page with some Javascript that I’m trying to parse with XSLT 1.0. I want to modify a URL that’s inside the Javascript to make the path absolute instead of relative.

The Javascript-code looks roughly like this:

<html>
    <head>
        <script>
            function login() {
                window.location = '{@myBase}/myloginpage';
            }
        </script>
    </head>

    <body>
     ...
    </body>
</html>

I want the ‘{@myBase}’ to be replaced with my domain. I feel that I’m very much off course.

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   xmlns:proxy="java:senselogic.sitevision.portlet.proxy.web.ProxyFunctions" 
   extension-element-prefixes="proxy">


   <xsl:import href="template.xsl"/>

    <xsl:template match="//script/text()">
        <xsl:variable name="mypath">
          <xsl:call-template name="string-replace-all">
            <xsl:with-param name="text"><xsl:value-of select="{@myBase}"/></xsl:with-param>
            <xsl:with-param name="replace">{@myBase}</xsl:with-param>
            <xsl:with-param name="by">http://www.mydomain.com</xsl:with-param>
          </xsl:call-template>
        </xsl:variable>
    </xsl:template>    



    <xsl:template name="string-replace-all">
      <xsl:param name="text" />
      <xsl:param name="replace" />
      <xsl:param name="by" />
      <xsl:choose>
        <xsl:when test="contains($text, $replace)">
          <xsl:value-of select="substring-before($text,$replace)" />
          <xsl:value-of select="$by" />
          <xsl:call-template name="string-replace-all">
            <xsl:with-param name="text"
            select="substring-after($text,$replace)" />
            <xsl:with-param name="replace" select="$replace" />
            <xsl:with-param name="by" select="$by" />
          </xsl:call-template>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$text" />
        </xsl:otherwise>
      </xsl:choose>
    </xsl:template>    
</xsl:stylesheet>
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1 Answer

  1. Editorial Team

    Actually, you are not far off.

    Firstly, you are defineing a variable <xsl:variable name="mypath"> to hold the results of the call-template but not actually doing anything with it. I don’t think you need to wrap it in a variable declaration at all.

    Secondly, you are not passing the correct value to the text parameter. Instead of doing this

    <xsl:with-param name="text"><xsl:value-of select="{@myBase}"/></xsl:with-param>

    Do this

    <xsl:with-param name="text"><xsl:value-of select="."/></xsl:with-param>

    Or better still, this:

    <xsl:with-param name="text" select="."/>

    Try this XSLT

    <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:proxy="java:senselogic.sitevision.portlet.proxy.web.ProxyFunctions" extension-element-prefixes="proxy">
    <xsl:param name="domain" select="'http://www.mydomain.com'"/>

    <xsl:template match="//script/text()">
        <xsl:call-template name="string-replace-all">
            <xsl:with-param name="text" select="."/>
            <xsl:with-param name="replace" select="'{@myBase}'" />
            <xsl:with-param name="by" select="$domain"/>
        </xsl:call-template>
    </xsl:template>

    <xsl:template match="@*|node()">
        <xsl:copy>
            <xsl:apply-templates select="@*|node()"/>
        </xsl:copy>
    </xsl:template>

    <xsl:template name="string-replace-all">
        <xsl:param name="text"/>
        <xsl:param name="replace"/>
        <xsl:param name="by"/>
        <xsl:choose>
            <xsl:when test="contains($text, $replace)">
                <xsl:value-of select="substring-before($text,$replace)"/>
                <xsl:value-of select="$by"/>
                <xsl:call-template name="string-replace-all">
                    <xsl:with-param name="text" select="substring-after($text,$replace)"/>
                    <xsl:with-param name="replace" select="$replace"/>
                    <xsl:with-param name="by" select="$by"/>
                </xsl:call-template>
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="$text"/>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:template>
</xsl:stylesheet>

    (Note that I have also set your domain to be a parameter)

    When applied to your XHTML, the following is output

    <html>
<head>
<META http-equiv="Content-Type" content="text/html">
<script>
            function login() {
                window.location = 'http://www.mydomain.com/myloginpage';
            }
        </script></head>
<body>
     ...
    </body>
</html>
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