On 07/05/2010 13:28, Mukul Gandhi wrote:
As you said, many XSLT programming situations could be
equivanetly handled by for-each& apply-templates.
Not "many", all uses of for-each can be equivalently handled by
apply-templates.
..
<xsl:variable name="a">...</xsl:variable>
..
<xsl:variable name="z">...</xsl:variable>
...
<xsl:for-each select="foo">
body
</xsl:for-each>
is
.
<xsl:variable name="a">...</xsl:variable>
..
<xsl:variable name="z">...</xsl:variable>
...
<xsl:apply-templates select="foo" mode="unique-d">
<xsl:with-param name="a" select="$a"/>
<xsl:with-param name="z" select="$z"/>
</xsl:apply-templates>
...
<xsl:template match="/|node()" mode="unique-id">
<xsl:param name="a"/>
<xsl:param name="z"/>
body
</xsl:template>
so xsl:for-each is just really a minor syntactic variation on
apply-templates for a mode with only one template, in that you can
inline the template body into the call. If the body uses variable
references then you need to use parameters in the apply-template version
to keep them in scope, but it's a purely syntactic transformation.
David
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