Have you considered using xsl:choose?
On 16.06.2014 14:17, Kerry, Richard richard(_dot_)kerry(_at_)atos(_dot_)net
wrote:
In C/C++ programming the following idiom is quite common:
if (condition1)
return value1;
if (condition2)
return value2;
if (condition3)
return value3;
return value4;
In other words each of these will test a condition and if it is satisfied
execution will stop and some value will be returned to the caller. The run
stops with the first condition that succeeds.
I've tried to do something similar in XSLT and am getting somewhat
contradictory indications of whether or not it is working. Please can someone
advise whether this should work, or if there is a similar form that I can use.
What I have is like the following template, to be called by name.
<xsl:template name="test.1">
<xsl:param name="string" select="''"/>
<xsl:if test="$check.1 = 0">
<xsl:value-of select="$value.1" />
</xsl:if>
<xsl:if test="$check.2 = 0">
<xsl:value-of select="$value.2" />
</xsl:if>
<xsl:if test="$check.3 = 0">
<xsl:value-of select="$value.3" />
</xsl:if>
<xsl:value-of select="$value.4" />
</xsl:template>
My theory of why it might work is based on knowing that the following will work:
<xsl:template name="test.2">
<xsl:param name="string" select="''"/>
<xsl:value-of select="$value.4" />
</xsl:template>
I say "will work" in the sense that if the above template is called (by name) it will
return the value from value.4. What I'm not sure of is whether that should work if the
"returning" value-of is a level down, in an xsl:if, as in the other template (test.1).
It is only a theory of why it might work. Practice may indicate otherwise, and
somewhere in the spec might be a reason.
Can someone please advise whether I can do this, or how to get broadly
equivalent behaviour ?
Regards,
Richard.
Richard Kerry
BNCS Engineer, SI SOL Telco & Media Vertical Practice
T: +44 (0)20 3618 2669
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