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ANN: XML Encoded XPath 0.2 (Stylesheet)

  • From: Wayne Steele <xmlmaster@h...>
  • To: xml-dev@l...
  • Date: Sun, 01 Apr 2001 17:47:51 -0700

xsl apply templates select
<xsl:stylesheet
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   version="1.0">
   <xsl:output method="text" />

   <xsl:template match="/">
      <xsl:for-each select="/XEXPaths/*">
----------------------------------------------
         <xsl:apply-templates select="." />
      </xsl:for-each>
   </xsl:template>

<xsl:template match="variable">$<xsl:value-of select="text()" 
/></xsl:template>

<xsl:template match="literal">'<xsl:value-of select="text()" 
/>'</xsl:template>

<xsl:template match="number"><xsl:value-of select="text()" /></xsl:template>

<xsl:template match="function">
   <xsl:for-each select="@nsURI">{<xsl:value-of 
select="."/>}:</xsl:for-each>
   <xsl:value-of select="@name"/>(<xsl:apply-templates select="*[1]" 
/><xsl:for-each select="*[position()!=1]">,<xsl:apply-templates select="." 
/></xsl:for-each>)</xsl:template>

<!-- OPERATORS -->
<xsl:template match="union">(<xsl:apply-templates select="*[1]" /> | 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<!-- boolean -->
<xsl:template match="and">(<xsl:apply-templates select="*[1]" /> and 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="or">(<xsl:apply-templates select="*[1]" /> or 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<!-- comparison -->
<xsl:template match="eq">(<xsl:apply-templates select="*[1]" /> = 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="ne">(<xsl:apply-templates select="*[1]" /> != 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="lt">(<xsl:apply-templates select="*[1]" /> &lt; 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="gt">(<xsl:apply-templates select="*[1]" /> &gt; 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="le">(<xsl:apply-templates select="*[1]" /> &lt;= 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="ge">(<xsl:apply-templates select="*[1]" /> &gt;= 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<!-- arithmetic -->
<xsl:template match="add">(<xsl:apply-templates select="*[1]" /> + 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="sub">(<xsl:apply-templates select="*[1]" /> - 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="mul">(<xsl:apply-templates select="*[1]" /> * 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="div">(<xsl:apply-templates select="*[1]" /> div 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="mod">(<xsl:apply-templates select="*[1]" /> mod 
<xsl:apply-templates select="*[2]" />)</xsl:template>
<xsl:template match="neg">(-<xsl:apply-templates select="*[1]" 
/>)</xsl:template>

<xsl:template match="compose">
   <!-- first step -->
   <xsl:for-each select="*[1]"><xsl:apply-templates select="." 
/></xsl:for-each>
   <!-- 2nd to Nth steps -->
   <xsl:for-each select="*[position()!=1]">
      <xsl:choose>
         <xsl:when test="self::filter">
            <xsl:text>[</xsl:text>
            <xsl:apply-templates select="*" />
            <xsl:text>]</xsl:text>
         </xsl:when>
         <xsl:otherwise>
            <xsl:text>/</xsl:text>
            <xsl:apply-templates select="." />
         </xsl:otherwise>
      </xsl:choose>
   </xsl:for-each>
</xsl:template>

<!-- AXES -->


<xsl:template match="attribute">
   <xsl:text>attribute::</xsl:text>
   <xsl:call-template name="AXIS" />
</xsl:template>

<xsl:template match="child">
   <xsl:text>child::</xsl:text>
   <xsl:call-template name="AXIS" />
</xsl:template>

<xsl:template match="ancestor">ancestor::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template match="ancestor-of-self">ancestor-or-self::<xsl:call-template 
name="AXIS" /></xsl:template>
<xsl:template match="descendant">descendant::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template 
match="descendant-or-self">descendant-or-self::<xsl:call-template 
name="AXIS" /></xsl:template>
<xsl:template match="following">following::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template 
match="following-sibling">following-sibling::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template match="namespace">namespace::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template match="parent">parent::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template match="preceding">preceding::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template 
match="preceding-sibling">preceding-sibling::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template match="self">self::<xsl:call-template name="AXIS" 
/></xsl:template>
<xsl:template match="root">/</xsl:template>
<xsl:template match="root[following-sibling::*]"></xsl:template>

<xsl:template name="AXIS">
   <xsl:choose>
      <xsl:when test="@type='comment'">comment()</xsl:when>
      <xsl:when test="@type='node'">node()</xsl:when>
      <xsl:when test="@type='text'">text()</xsl:when>
      <xsl:when 
test="@type='processing-instruction'">processing-instruction(<xsl:value-of 
select="@name"/>)</xsl:when>
      <xsl:otherwise> <!-- nametest or * -->
         <xsl:for-each select="@nsURI">{<xsl:value-of 
select="."/>}:</xsl:for-each>
         <xsl:choose>
            <xsl:when test="normalize-space(text())!=''">
               <xsl:value-of select="normalize-space(text())"/>
            </xsl:when>
            <xsl:otherwise>*</xsl:otherwise>
         </xsl:choose>
      </xsl:otherwise>
   </xsl:choose>
</xsl:template>

<!-- ABBREVIATED VERSIONS -->

<xsl:template 
match="descendant-or-self[@type='node'][not(*)][preceding-sibling::*][following-sibling::*]">
</xsl:template>

<xsl:template match="parent[@type='node']">..</xsl:template>

<xsl:template match="self[@type='node']">.</xsl:template>

<xsl:template match="attribute">
   <xsl:text>@</xsl:text>
   <xsl:call-template name="AXIS" />
</xsl:template>

<xsl:template match="child">
   <xsl:call-template name="AXIS" />
</xsl:template>


</xsl:stylesheet>
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