XSLT 1.0 - Create node set and pass as a parameter -

using xslt 1.0, i'm trying create small node set , pass parameter template, following:

<xsl:call-template name="widget">   <xsl:with-param name="flags">     <items>       <item>widget.recent-posts.trim-length=100</item>       <item>widget.recent-posts.how-many=3</item>       <item>widget.recent-posts.show-excerpt</item>     </items>   </xsl:with-param> </xsl:call-template> 

the idea within widget template write like:

<xsl:value-of select="$flags/item[1]" /> 

obviously compile errors.. how can achieve sort of thing?

there way (non-standard) in xslt 1.0 create temporary trees dynamically , evaluate xpath expressions on them, however requires using xxx:node-set() function.

whenever nodes dynamically created inside body of xsl:variable or xsl:param, type of xsl:variable / xsl:param rtf (result tree fragment) , w3 xslt 1.0 spec. limits severyly kind of xpath expressions can evaluated against rtf.

as workaround, every xslt 1.0 vendor has own xxx:node-set() extension function takes rtf , produces normal node-set it.

the namespace xxx prefix (or other prefix choose) bound different different vendors. msxml , 2 .net xslt processor is: "urn:schemas-microsoft-com:xslt". exslt library uses namespace: "http://exslt.org/common". namespace exslt implemented on many xslt 1.0 processors , recommended use xxx:node-set() extension, if possible.

here quick example:

<xsl:stylesheet version="1.0"  xmlns:xsl="http://www.w3.org/1999/xsl/transform"  xmlns:msxsl="urn:schemas-microsoft-com:xslt"  xmlns:ext="http://exslt.org/common"   exclude-result-prefixes="ext msxsl"  >  <xsl:template match="/">   <xsl:variable name="vtemprtf">    <a>     <b/>    </a>   </xsl:variable>    <xsl:copy-of select="ext:node-set($vtemprtf)/a/*"/>  </xsl:template> </xsl:stylesheet>