xslt/search xml document

[Gopal Kumar Chivkula]

Hello All,

I am working on xslt/xml/java for the past few weeks.
I have a problem in parsing the xml through xslt.
My task is to design a search engine.
The root structure of xml is "A/B/C/<title> expense card </title>
<title> credit card </title>
<title> expense report </title>
</C></B></A>

Now I am searching for a keyword called "expense" and its displaying the right title that i need. here in this case it displays 1 and 3 titles.
When i search for the keyword called "card" its displaying 1 and 2 titles which is perfect.

Now the problem is when i search for a keyword called "expense card" its displaying nothing. Here in this case i need to display the result titles that has the words involved either "expense" or "card".
Here in this case it should display all the 3 titles since, all the 3 have either expense keyword or card keyword.

How to solve xsl OR condition?

Please reply ASAP.
[ June 20, 2006: Message edited by: Gopal Kumar Chivkula ]

[Clifton Craig]

This is just a wild idea. (I'm posting while pondering a solution for an XSL problem I'm stuck on so forgive my lack of focus.) If you can somehow tokenize the search criteria splitting it on white space and build a list of string nodes then you might get away with something like this:

<xsl:template name="whatever">
   <!-- search-string is the user search value from the web app -->
   <xsl:variable name="search-criteria">
      <xsl:call-template name="tokenize-string"><xsl:with-param name="input" select="$search-string"/></xsl:call-template>
   </xsl:variable>
   <!--nodeSet converts an XML string to a node set, it's a common Xalan extension -->
   <xsl:for-each select="common:nodeSet($search-criteria)">
      <xsl:variable name="criteria"/>
      <xsl:for-each select="A/B/C/title[contains(text(), $criteria/text())]">
         <xsl:copy-of select="."/>
      </xsl:for-each>
   </xsl:for-each>
</xsl:template>

The example assumes that you have already defined a template that will turn a space delimited string into an XML fragment such like: <elem>credit</elem><elem>card</elem>
The template would have to be a recursive function of course.