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<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0"
exclude-result-prefixes="s"
xmlns="http://www.w3.org/1999/xhtml"
xmlns:s="https://beratung-franzke.de/web-tpl"
xmlns:html="http://www.w3.org/1999/xhtml">
<xsl:template match="html:img" mode="html">
<xsl:copy>
<!-- Copy all attributes and nested nodes -->
<xsl:copy-of select="@*"/>
<xsl:apply-templates mode="html"/>
<!-- ..but modify the src attribute to have a ?git-hash suffix -->
<xsl:attribute name="src">
<xsl:variable name="replace_jpg">
<xsl:call-template name="replace-string">
<xsl:with-param name="text" select="@src"/>
<xsl:with-param name="replace" select="'.jpg'" />
<xsl:with-param name="with" select="''"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="replace_jpg_png">
<xsl:call-template name="replace-string">
<xsl:with-param name="text" select="$replace_jpg"/>
<xsl:with-param name="replace" select="'.png'" />
<xsl:with-param name="with" select="''"/>
</xsl:call-template>
</xsl:variable>
<xsl:value-of select="$replace_jpg_png"/>
<xsl:choose>
<xsl:when test="contains(@src, '.jpg')">
<xsl:value-of select="$versioned_jpg"/>
</xsl:when>
<xsl:when test="contains(@src, '.png')">
<xsl:value-of select="$versioned_png"/>
</xsl:when>
</xsl:choose>
</xsl:attribute>
</xsl:copy>
</xsl:template>
<xsl:template name="replace-string">
<xsl:param name="text"/>
<xsl:param name="replace"/>
<xsl:param name="with"/>
<xsl:choose>
<xsl:when test="contains($text,$replace)">
<xsl:value-of select="substring-before($text,$replace)"/>
<xsl:value-of select="$with"/>
<xsl:call-template name="replace-string">
<xsl:with-param name="text" select="substring-after($text,$replace)"/>
<xsl:with-param name="replace" select="$replace"/>
<xsl:with-param name="with" select="$with"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$text"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
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