RE: [xsl] Merging Data

["Kevin Bird" <kevin.bird@xxxxxxxxxxxxxxxxxxxxxxx>]

Thank you

-----Original Message-----
From: Michael Kay [mailto:mhk@xxxxxxxxx]
Sent: 06 August 2004 18:25
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE: [xsl] Merging Data

Try changing

current-group() intersect $list1

to

(current-group() intersect $list1)/supp-price

(The members of the group are supp elements, whereas we want to output
the
value of the supp-price elements).

Michael Kay

> -----Original Message-----
> From: Kevin Bird (Matrix) [mailto:kevin.bird@xxxxxxxxxxxxxxxxxxxxxxx]
> Sent: 06 August 2004 17:21
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE: [xsl] Merging Data
>
> Hi Michael
>
> I ran your XSLT 2.0 solution against my data and produced the
> following
> output. The text value of <supp-desc> is also appearing in
> <supp-price>
> (which is not required). I've had a play around with the
> stylesheet but I'm
> stabbing around in the dark.
>
> Any suggestions would be greatly appreciated.
>
>
> <?xml version="1.0" encoding="UTF-8"?>
> <supp>
>    <supp-desc>Half Board</supp-desc>
>    <supp-price source="filea">Half Board#10</supp-price>
>    <supp-price source="fileb">Half Board#20</supp-price>
> </supp>
> <supp>
>    <supp-desc>All Inclusive</supp-desc>
>    <supp-price source="filea">All Inclusive#20</supp-price>
>    <supp-price source="fileb">All Inclusive#40</supp-price>
> </supp>
> <supp>
>    <supp-desc>Sea View</supp-desc>
>    <supp-price source="filea">Sea View#3</supp-price>
>    <supp-price source="fileb">-</supp-price>
> </supp>
> <supp>
>    <supp-desc>Balcony</supp-desc>
>    <supp-price source="filea">-</supp-price>
>    <supp-price source="fileb">Balcony#5</supp-price>
> </supp>
>
> Many thanks.
>
> --
> Kevin Bird
>
>
>
> -----Original Message-----
> From: Michael Kay [mailto:mhk@xxxxxxxxx]
> Sent: 05 August 2004 18:44
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE: [xsl] Merging Data
>
> It's a grouping problem, with the extra complication that you
> can't rely on
> the relative document order of nodes from two different
> documents. XSLT 2.0
> solution:
>
> <xsl:variable name="list1" select="doc('1.xml')/*/supp"/>
> <xsl:variable
> name="list2" select="doc('2.xml')/*/supp"/>
>
> <xsl:for-each-group select="$list1, $list2"
>                     group-by="supp-desc">
>   <supp>
>     <xsl:copy-of select="supp-desc"/>
>     <supp-price source="filea">
>       <xsl:value-of select="(current-group() intersect
> $list1, '-')[1]"/>
>     </supp-price>
>     <supp-price source="fileb">
>       <xsl:value-of select="(current-group() intersect
> $list2, '-')[1]"/>
>     </supp-price>
>   </supp>
> </xsl:for-each-group>
>
> I will leave the XSLT 1.0 solution to someone with more time
> on their hands.
> It's tricky because both grouping mechanisms
> (preceding-sibling and keys)
> work only within a single document, so you have to use a
> two-phase approach.
>
> Michael Kay
>
> > -----Original Message-----
> > From: Kevin Bird [mailto:kevin.bird@xxxxxxxxxxxxxxxxxxxxxxx]
> > Sent: 05 August 2004 18:20
> > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> > Subject: [xsl] Merging Data
> >
> > Hi Everyone
> >
> > I need to combine two sets of data (File A and File B). The
> structure
> > is as follows (snippet):
> >
> > FILE A:
> > <supplements>
> > <supp>
> > 	<supp-desc>Half Board</supp-desc>
> > 	<supp-price>#10</supp-price>
> > </supp>
> > <supp>
> > 	<supp-desc>All Inclusive</supp-desc>
> > 	<supp-price>#20</supp-price>
> > </supp>
> > <supp>
> > 	<supp-desc>Sea View</supp-desc>
> > 	<supp-price>#3</supp-price>
> > </supp>
> > ...
> > </supplements>
> >
> > FILE B:
> > <supplements>
> > <supp>
> > 	<supp-desc>Half Board</supp-desc>
> > 	<supp-price>#20</supp-price>
> > </supp>
> > <supp>
> > 	<supp-desc>All Inclusive</supp-desc>
> > 	<supp-price>#40</supp-price>
> > </supp>
> > <supp>
> > 	<supp-desc>Balcony</supp-desc>
> > 	<supp-price>#5</supp-price>
> > </supp>
> > ...
> > </supplements>
> >
> > REQUIRED OUTPUT:
> > <supplements>
> > <supp>
> > 	<supp-desc>Half Board</supp-desc>
> > 	<supp-price source="filea">#10</supp-price>
> > 	<supp-price source="fileb">#20</supp-price> </supp> <supp>
> > 	<supp-desc>All Inclusive</supp-desc>
> > 	<supp-price source="filea">#20</supp-price>
> > 	<supp-price source="fileb">#40</supp-price> </supp> <supp>
> > 	<supp-desc>Sea View</supp-desc>
> > 	<supp-price source="filea">#3</supp-price>
> > 	<supp-price source="fileb">-</supp-price></supp>
> > <supp>
> > 	<supp-desc>Balcony</supp-desc>
> > 	<supp-price source="filea">-</supp-price>
> > 	<supp-price source="fileb">#5</supp-price></supp>
> > ...
> > </supplements>
> >
> > DESCRIPTION:
> > I need to compare <supp> nodes based on the text value of
> <supp-desc>.
> > If the <supp> exists in both files then the <supp-price> node from
> > File B is added underneath the <supp-price> node from File A (a
> > "source" attribute is also added). If the <supp> exists in one file
> > but not the other, a <supp-price> node with the text value
> of "-" is
> > added. "Sea View" and "Balcony" are examples of <supp>
> being present
> > in one file only.
> >
> > Any suggestions on how best to achieve the desired result will be
> > greatly appreciated.
> >
> >
> > --
> > Kevin Bird