plcopen/variables_infos.xslt
author Edouard Tisserant
Tue, 25 Aug 2020 14:32:39 +0200
branchsvghmi
changeset 3036 4930455428df
parent 2637 507737ec2b9a
child 3801 6839dbb9a1df
permissions -rw-r--r--
SVGHMI: JsonTable now use intermediate variables again to address JSON data without duplicating code or referencing. Using intermediate variables also alows to check for availability of data and stop evaluating early if data is missing. Finally added complete roundtrip example to illustrate use of JSonTable to display "alarms" collected in python from changes on PLC boolean variables.
<?xml version="1.0"?>
<xsl:stylesheet xmlns:ns="beremiz" xmlns:regexp="http://exslt.org/regular-expressions" xmlns:str="http://exslt.org/strings" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:exsl="http://exslt.org/common" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xhtml="http://www.w3.org/1999/xhtml" version="1.0" exclude-result-prefixes="ns" extension-element-prefixes="ns">
  <xsl:output method="xml"/>
  <xsl:param name="tree"/>
  <xsl:template match="text()"/>
  <xsl:variable name="project" select="ns:GetProject()"/>
  <xsl:variable name="stdlib" select="ns:GetStdLibs()"/>
  <xsl:variable name="extensions" select="ns:GetExtensions()"/>
  <xsl:variable name="all_types" select="($project | $stdlib | $extensions)/ppx:types"/>
  <xsl:template match="ppx:configuration">
    <xsl:apply-templates select="ppx:globalVars"/>
  </xsl:template>
  <xsl:template match="ppx:resource">
    <xsl:apply-templates select="ppx:globalVars"/>
  </xsl:template>
  <xsl:template match="ppx:pou">
    <xsl:apply-templates select="ppx:interface/*"/>
  </xsl:template>
  <xsl:template match="ppx:returnType">
    <xsl:value-of select="ns:AddTree()"/>
    <xsl:apply-templates mode="var_type" select="."/>
  </xsl:template>
  <xsl:template name="variables_infos">
    <xsl:param name="var_class"/>
    <xsl:variable name="var_option">
      <xsl:choose>
        <xsl:when test="@constant='true' or @constant='1'">
          <xsl:text>Constant</xsl:text>
        </xsl:when>
        <xsl:when test="@retain='true' or @retain='1'">
          <xsl:text>Retain</xsl:text>
        </xsl:when>
        <xsl:when test="@nonretain='true' or @nonretain='1'">
          <xsl:text>Non-Retain</xsl:text>
        </xsl:when>
      </xsl:choose>
    </xsl:variable>
    <xsl:for-each select="ppx:variable">
      <xsl:variable name="initial_value">
        <xsl:apply-templates select="ppx:initialValue"/>
      </xsl:variable>
      <xsl:variable name="edit">
        <xsl:choose>
          <xsl:when test="$var_class='Global' or $var_class='External'">
            <xsl:text>true</xsl:text>
          </xsl:when>
          <xsl:otherwise>
            <xsl:apply-templates mode="var_edit" select="ppx:type"/>
          </xsl:otherwise>
        </xsl:choose>
      </xsl:variable>
      <xsl:value-of select="ns:AddTree()"/>
      <xsl:apply-templates mode="var_type" select="ppx:type"/>
      <xsl:value-of select="ns:AddVariable(@name, $var_class, $var_option, @address, $initial_value, $edit, ppx:documentation/xhtml:p/text())"/>
    </xsl:for-each>
  </xsl:template>
  <xsl:template match="ppx:localVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>Local</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:globalVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>Global</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:externalVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>External</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:tempVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>Temp</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:inputVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>Input</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:outputVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>Output</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:inOutVars">
    <xsl:call-template name="variables_infos">
      <xsl:with-param name="var_class">
        <xsl:text>InOut</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template mode="var_type" match="ppx:pou">
    <xsl:apply-templates mode="var_type" select="ppx:interface/*[self::ppx:inputVars or self::ppx:inOutVars or self::ppx:outputVars]/ppx:variable"/>
  </xsl:template>
  <xsl:template mode="var_type" match="ppx:variable">
    <xsl:variable name="name">
      <xsl:value-of select="@name"/>
    </xsl:variable>
    <xsl:value-of select="ns:AddTree()"/>
    <xsl:apply-templates mode="var_type" select="ppx:type"/>
    <xsl:value-of select="ns:AddVarToTree($name)"/>
  </xsl:template>
  <xsl:template mode="var_type" match="ppx:dataType">
    <xsl:apply-templates mode="var_type" select="ppx:baseType"/>
  </xsl:template>
  <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:struct">
    <xsl:apply-templates mode="var_type" select="ppx:variable"/>
  </xsl:template>
  <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:derived">
    <xsl:variable name="type_name">
      <xsl:value-of select="@name"/>
    </xsl:variable>
    <xsl:choose>
      <xsl:when test="$tree='True'">
        <xsl:apply-templates mode="var_type" select="$all_types/ppx:pous/ppx:pou[@name=$type_name] |                          $all_types/ppx:dataTypes/ppx:dataType[@name=$type_name]"/>
      </xsl:when>
    </xsl:choose>
    <xsl:value-of select="ns:SetType($type_name)"/>
  </xsl:template>
  <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:array">
    <xsl:apply-templates mode="var_type" select="ppx:baseType"/>
    <xsl:for-each select="ppx:dimension">
      <xsl:variable name="lower">
        <xsl:value-of select="@lower"/>
      </xsl:variable>
      <xsl:variable name="upper">
        <xsl:value-of select="@upper"/>
      </xsl:variable>
      <xsl:value-of select="ns:AddDimension($lower, $upper)"/>
    </xsl:for-each>
  </xsl:template>
  <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:string">
    <xsl:variable name="name">
      <xsl:text>STRING</xsl:text>
    </xsl:variable>
    <xsl:value-of select="ns:SetType($name)"/>
  </xsl:template>
  <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:wstring">
    <xsl:variable name="name">
      <xsl:text>WSTRING</xsl:text>
    </xsl:variable>
    <xsl:value-of select="ns:SetType($name)"/>
  </xsl:template>
  <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/*">
    <xsl:variable name="name">
      <xsl:value-of select="local-name()"/>
    </xsl:variable>
    <xsl:value-of select="ns:SetType($name)"/>
  </xsl:template>
  <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:derived">
    <xsl:variable name="type_name">
      <xsl:value-of select="@name"/>
    </xsl:variable>
    <xsl:variable name="pou_infos" select="$all_types/ppx:pous/ppx:pou[@name=$type_name]"/>
    <xsl:choose>
      <xsl:when test="$pou_infos != ''">
        <xsl:text>false</xsl:text>
      </xsl:when>
      <xsl:otherwise>
        <xsl:text>true</xsl:text>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>
  <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/*">
    <xsl:text>true</xsl:text>
  </xsl:template>
  <xsl:template match="ppx:value">
    <xsl:choose>
      <xsl:when test="@repetitionValue">
        <xsl:value-of select="@repetitionValue"/>
        <xsl:text>(</xsl:text>
        <xsl:apply-templates/>
        <xsl:text>)</xsl:text>
      </xsl:when>
      <xsl:when test="@member">
        <xsl:value-of select="@member"/>
        <xsl:text> := </xsl:text>
        <xsl:apply-templates/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:apply-templates/>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>
  <xsl:template match="ppx:simpleValue">
    <xsl:value-of select="@value"/>
  </xsl:template>
  <xsl:template name="complex_type_value">
    <xsl:param name="start_bracket"/>
    <xsl:param name="end_bracket"/>
    <xsl:value-of select="$start_bracket"/>
    <xsl:for-each select="ppx:value">
      <xsl:apply-templates select="."/>
      <xsl:choose>
        <xsl:when test="position()!=last()">
          <xsl:text>, </xsl:text>
        </xsl:when>
      </xsl:choose>
    </xsl:for-each>
    <xsl:value-of select="$end_bracket"/>
  </xsl:template>
  <xsl:template match="ppx:arrayValue">
    <xsl:call-template name="complex_type_value">
      <xsl:with-param name="start_bracket">
        <xsl:text>[</xsl:text>
      </xsl:with-param>
      <xsl:with-param name="end_bracket">
        <xsl:text>]</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
  <xsl:template match="ppx:structValue">
    <xsl:call-template name="complex_type_value">
      <xsl:with-param name="start_bracket">
        <xsl:text>(</xsl:text>
      </xsl:with-param>
      <xsl:with-param name="end_bracket">
        <xsl:text>)</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:template>
</xsl:stylesheet>