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>> pag. 65 << | indietro | avanti | indice | indice analitico

65.

La funzione current restituisce un nodo che ha il nodo corrente come solo membro. Per una espressione outermost (espressione che non occorre entro un'altra espressione), il nodo corrente è sempre il nodo context. Ma entro le parentesi quadre il nodo corrente di solito è diverso dal nodo context.

XSLT stylesheet 1

XML Source
<source>

<AAA name="first">
     <BBB name="first">11111</BBB>
     <BBB name="second">22222</BBB>
</AAA>
<AAA name="second">
     <BBB name="first">33333</BBB>
     <BBB name="second">44444</BBB>
</AAA>

</source>

Output
<TABLE border="1">
  <TR>
     <TH> . </TH>
     <TH>current()</TH>
  </TR>
  <TR>
     <TD>first</TD>
     <TD>first</TD>
  </TR>
  <TR>
     <TD>11111</TD>
     <TD>1111122222</TD>
  </TR>
  <TR>
     <TD>second</TD>
     <TD>second</TD>
  </TR>
  <TR>
     <TD>33333</TD>
     <TD/>
  </TR>
</TABLE>

HTML view
. current()
first first
11111 1111122222
second second
33333
XSLT stylesheet
<xsl:stylesheet version = '1.0'
     xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>

<xsl:template match="/">
     <TABLE border="1">
          <TR>
               <TH> . </TH>
               <TH>current()</TH>
          </TR>
          <xsl:apply-templates select="//AAA"/>
     </TABLE>
</xsl:template>

<xsl:template match="AAA">
     <TR>
          <TD>
               <xsl:value-of select="./@name"/>
          </TD>
          <TD>
               <xsl:value-of select="current()/@name"/>
          </TD>
     </TR>
     <TR>
          <TD>
               <xsl:apply-templates select="BBB[./@name='first']"/>
          </TD>
          <TD>
               <xsl:apply-templates select="BBB[current()/@name='first']"/>
          </TD>
     </TR>
</xsl:template>


</xsl:stylesheet>