[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Does <xsl:copy> use a lot of memory? Is there an
I suspect Michael just posted something equivalent or better or whatever
but
<x> <b id="i1">aaa</b> <b idref="i1"/> <b id="i2">kkk <c idref="i3"/></b> <b> aaa <c idref="i2"/></b> <b id="i3"> aaa <c idref="i2"/></b> </x> processed with <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:key name="id" match="*[@id]" use="@id"/> <xsl:template match="*"> <xsl:copy> <xsl:copy-of select="@* except @idref"/> <xsl:apply-templates select="@idref,node()"/> </xsl:copy> </xsl:template> <xsl:template match="@idref"> <xsl:param name="seen" tunnel="yes"/> <xsl:choose> <xsl:when test=".=$seen"><xsl:copy-of select="."/> </xsl:when> <xsl:otherwise> <xsl:apply-templates select="key('id',.)"> <xsl:with-param name="seen" select="$seen,string(.)" tunnel="yes"/> </xsl:apply-templates> </xsl:otherwise> </xsl:choose> </xsl:template> </xsl:stylesheet> produces $ saxon9 aaa.xml aaa.xsl <?xml version="1.0" encoding="UTF-8"?><x> <b id="i1">aaa</b> <b><b id="i1">aaa</b></b> <b id="i2">kkk <c><b id="i3"> aaa <c><b id="i2">kkk <c idref="i3"/></b></c></b></c></b> <b> aaa <c><b id="i2">kkk <c><b id="i3"> aaa <c idref="i2"/></b></c></b></c></b> <b id="i3"> aaa <c><b id="i2">kkk <c><b id="i3"> aaa <c idref="i2"/></b></c></b></c></b> </x> where idrefs have been expanded out unless you are already in the the descendants of its expansion in which case it is left as a ref. David
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