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<?xml version="1.0"?>

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<xsl:stylesheet xmlns:exsl="http://exslt.org/common" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:ns="instances_ns" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" extension-element-prefixes="ns" version="1.0" exclude-result-prefixes="ns">

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  <xsl:output method="xml"/>

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  <xsl:param name="instance_type"/>

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  <xsl:template match="text()"/>

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  <xsl:template match="ppx:project">

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    <instances>

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      <xsl:apply-templates select="ppx:instances/ppx:configurations/ppx:configuration"/>

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    </instances>

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  </xsl:template>

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  <xsl:template match="ppx:configuration">

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    <xsl:apply-templates select="ppx:globalVars/ppx:variable[ppx:type/ppx:derived] | ppx:resource">

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      <xsl:with-param name="parent_path">

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        <xsl:value-of select="@name"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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  <xsl:template match="ppx:resource">

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    <xsl:param name="parent_path"/>

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    <xsl:variable name="resource_path">

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      <xsl:value-of select="$parent_path"/>

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      <xsl:text>.</xsl:text>

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      <xsl:value-of select="@name"/>

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    </xsl:variable>

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    <xsl:apply-templates select="ppx:globalVars/ppx:variable[ppx:type/ppx:derived] | ppx:pouInstance | ppx:task/ppx:pouInstance">

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      <xsl:with-param name="parent_path">

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        <xsl:value-of select="$resource_path"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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  <xsl:template match="ppx:pouInstance">

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    <xsl:param name="parent_path"/>

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    <xsl:variable name="pou_instance_path">

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      <xsl:value-of select="$parent_path"/>

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      <xsl:text>.</xsl:text>

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      <xsl:value-of select="@name"/>

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    </xsl:variable>

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    <xsl:choose>

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      <xsl:when test="@typeName=$instance_type">

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        <xsl:value-of select="ns:AddInstance($pou_instance_path)"/>

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      </xsl:when>

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      <xsl:otherwise>

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        <xsl:variable name="type_name">

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          <xsl:value-of select="@typeName"/>

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        </xsl:variable>

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          <xsl:with-param name="instance_path">

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            <xsl:value-of select="$pou_instance_path"/>

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          </xsl:with-param>

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        </xsl:apply-templates>

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      </xsl:otherwise>

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    </xsl:choose>

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  </xsl:template>

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  <xsl:template match="ppx:pou">

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    <xsl:param name="instance_path"/>

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    <xsl:apply-templates select="ppx:interface/*/ppx:variable[ppx:type/ppx:derived]">

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      <xsl:with-param name="parent_path">

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        <xsl:value-of select="$instance_path"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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  <xsl:template match="ppx:dataType">

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    <xsl:param name="instance_path"/>

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    <xsl:apply-templates select="ppx:baseType/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">

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      <xsl:with-param name="parent_path">

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        <xsl:value-of select="$instance_path"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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  <xsl:template match="ppx:variable">

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    <xsl:param name="parent_path"/>

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    <xsl:variable name="variable_path">

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      <xsl:value-of select="$parent_path"/>

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      <xsl:text>.</xsl:text>

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      <xsl:value-of select="@name"/>

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    </xsl:variable>

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    <xsl:apply-templates select="ppx:type/ppx:derived">

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      <xsl:with-param name="variable_path">

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        <xsl:value-of select="$variable_path"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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  <xsl:template match="ppx:derived">

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    <xsl:param name="variable_path"/>

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    <xsl:choose>

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      <xsl:when test="@name=$instance_type">

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        <xsl:value-of select="ns:AddInstance($variable_path)"/>

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      </xsl:when>

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      <xsl:otherwise>

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        <xsl:variable name="type_name">

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          <xsl:value-of select="@name"/>

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        </xsl:variable>

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          <xsl:with-param name="instance_path">

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            <xsl:value-of select="$variable_path"/>

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          </xsl:with-param>

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        </xsl:apply-templates>

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      </xsl:otherwise>

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    </xsl:choose>

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  </xsl:template>

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  <xsl:template match="ppx:struct">

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    <xsl:param name="variable_path"/>

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    <xsl:for-each select="ppx:variable[ppx:type/ppx:derived or ppx:type/ppx:struct or ppx:type/ppx:array]">

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      <xsl:variable name="element_path">

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        <xsl:value-of select="$variable_path"/>

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        <xsl:text>.</xsl:text>

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        <xsl:value-of select="@name"/>

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      </xsl:variable>

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    </xsl:for-each>

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    <xsl:apply-templates select="ppx:type/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">

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      <xsl:with-param name="variable_path">

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        <xsl:value-of select="$element_path"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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  <xsl:template match="ppx:array">

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    <xsl:param name="variable_path"/>

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    <xsl:apply-templates select="ppx:baseType/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">

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      <xsl:with-param name="variable_path">

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        <xsl:value-of select="$variable_path"/>

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      </xsl:with-param>

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    </xsl:apply-templates>

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  </xsl:template>

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</xsl:stylesheet>