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How to "query" into a different xml?

  • From: =?UNKNOWN?Q?Jos=E9?= Manuel Beas <jmbeas@t...>
  • To: xml-dev@l...
  • Date: Wed, 18 Oct 2000 16:39:28 +0200

xsl 1013
Hello everyone,

We have an xml file with a catalogue of parts, but their descriptions
are kept in a different xml file (this file depends on the class of
the part).

These is the file:

  <part name="BigSquare">
    <query>square[@id = '001']/color</query>
  <part name="SmallCylinder">
    <query>cylinder[@id = '001']/color</query>

I am transforming it into HTML with an XSLT by matching the "part"

<xsl:template match="part">
  <H1><xsl:value-of select="@name"/></H1>
  <xsl:variable name="OBJECTNAME" select="class"/>
  <xsl:variable name="QUERYSTRING" select="query"/>
  <xsl:variable name="FILENAME" select="document('master.xml')//object
[@name = $OBJECTNAME]/@href"/>
  objectname = <xsl:value-of select="$OBJECTNAME"/><BR/>
  filename = <xsl:value-of select="$FILENAME"/><BR/>
  query = <xsl:value-of select="$QUERYSTRING"/><BR/>
  <xsl:value-of select="document($FILENAME)//$QUERYSTRING"/>

What I am doing is to look for the filename corresponding to each
part "class" (into "master.xml") and then apply the "query" to that
xml file.

But it doesn't work. I get the following error:

oracle.xml.parser.v2.XSLException: XSL-1013: Error in
expression: 'document($FILENAME)//$QUERYSTRING'.

The rest of the files used are:

    <object name="square" href="squares.xml"/>
    <object name="cylinder" href="cylinders.xml"/>
  <square id="001">
  <square id="002">

It's curious, but when I replace
  <xsl:value-of select="document($FILENAME)//$QUERYSTRING"/>
by (for example)
  <xsl:value-of select="document($FILENAME)//square[@id
= '001']/color"/>
I get the following:

Which is EXACTLY what I am trying to obtain.

Any ideas???

Thanks in advance,
José Manuel Beas (jmbeas@t...)
Software Engineer
TELENIUM, The New Millennium Telecom Company
Agustín de Foxá, 25, plta. 13
28036 MADRID
Tel. +34 91 315 85 62 (ext. 262/263)
Fax +34 91 315 63 37


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