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RE: compare 2 node set???
- From: "Michael Kay" <michael dot h dot kay at ntlworld dot com>
- To: <xsl-list at lists dot mulberrytech dot com>
- Date: Thu, 8 Aug 2002 09:54:52 +0100
- Subject: RE: [xsl] compare 2 node set???
- Reply-to: xsl-list at lists dot mulberrytech dot com
> How can run through 2 different set of nodes & compare
> whether set 1 exists within set 2 ???
I shall assume that you regard two nodes as matching if they have the
same string-value. Then you test is "is it true that for every node in
set 1 there is a node in set 2 that is equal to it?"
In XPath 2.0 this is:
every $x in $set1 satisfies
some $y in $set2 satisfies
$x eq $y
In XPath 1.0 you have to be a bit more inventive, but it's still
possible:
not($set1[not(.=$set2)])
Read that as "there is no node in $set1 that satisfies the condition
that there is no node in $set2 that is equal to it."
Michael Kay
Software AG
home: Michael.H.Kay@ntlworld.com
work: Michael.Kay@softwareag.com
> i.e do a recursive search.... I am able to process in
> case the node is present in both sets but how do I go ahead
> in case it is not. i.e how can I keep track in case the node
> does not exist in the other set... Following is the code...
>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:ms="urn:schemas-microsoft-com:xslt">
>
>
> <xsl:param name="file1"
> select="document('d:/aruniima/CompareXml/Validator_Response.xm
> l')" /> <xsl:template match="/"> <html> <body>
> <table>
> <xsl:for-each select="$file1//SrcData/*">
> <td><xsl:variable name="node_1" select="name()"/></td>
> <xsl:value-of select="$node_1"/>
> <tr>
> <xsl:call-template name="search">
> <xsl:with-param name="node_res"
> select="$node_1"/>
> </xsl:call-template>
> </tr>
> </xsl:for-each>
> </table>
> </body>
> </html>
> </xsl:template>
> <xsl:template name="search">
> <xsl:param name="node_res"/>
> <xsl:for-each select="//SrcData/*">
> <xsl:variable name="node_2" select="name()"/>
> <xsl:call-template name="compare">
> <xsl:with-param name="node_response"
> select="$node_res"/>
> <xsl:with-param name="node_request"
> select="$node_2"/>
> </xsl:call-template>
> </xsl:for-each>
> </xsl:template>
> <xsl:template name="compare">
> <xsl:param name="node_response"/>
> <xsl:param name="node_request"/>
> <xsl:if
> test="ms:string-compare($node_response,$node_request) = 0">
> <xsl:call-template name="display">
> <xsl:with-param name="status"
> select="'Present'"/>
> <xsl:with-param name="in_request"
> select="$node_response"/>
> </xsl:call-template>
> </xsl:if>
> </xsl:template>
> <xsl:template name="display">
> <xsl:param name="status"/>
> <xsl:param name="in_request"/>
> <td><xsl:value-of select="$in_request"/></td>
> <td><xsl:value-of select="$status"/></td>
> </xsl:template>
> </xsl:stylesheet>
>
> Regards,
> aruniima
>
>
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