Don't think of a for-each as a loop. Think of it as a functional mapping
operation, where you apply a function (the body of the for-each) to
every item in a sequence - quite possibly in parallel. There's no
concept that the system doesn't start processing the second item until
it has finished processing the first.
Your alternatives are
(a) decide up-front which items in the sequence to process, and select
them in the select expression of the for-each
(b) if you need to make a dynamic decision, replace the for-each with a
recursion.
(c) or in XSLT 3.0, xsl:iterate gives you a "sequential" equivalent of
for-each where the way each item is processed can depend on the results
of processing previous items (and an xsl:break that terminates processing)
Michael Kay
Saxonica
On 14/02/2013 13:10, trond(_dot_)huso(_at_)ntb(_dot_)no wrote:
I have to create the following list based on xml-structure below. It is a list
of ranked horses, and where the last number (if there are more than one number)
is the winning horse.
Rangering: 1. avd: 7-11-6-12 (str. 4), 2. avd: 9 (str. 1), 3. avd: 8, 4. avd:
4-8 (str. 5), 5. avd: 6 (str. 10).
The example uses the bold part of the text.
So the idea is that I am sorting the ranking, looping the structure. When I hit
the winning horse, I shall stop the loop.
Now I know that you cannot stop a for-each in xslt, so what is the best way to
this then?
<Start>
<StartNo>1</StartNo>
<Horse>
<RegNo>N-04-0514</RegNo>
<Name>Rise Stjerna</Name>
</Horse>
<Driver>
<LicenseNo>8279</LicenseNo>
<FirstName>Kristine</FirstName>
<LastName>Kvasnes</LastName>
</Driver>
<Distance>2140</Distance>
<Scratched>false</Scratched>
<Ranking>9</Ranking>
</Start>
<Start>
<StartNo>2</StartNo>
<Horse>
<RegNo>N-07-0133</RegNo>
<Name>Bovis Rambo</Name>
</Horse>
<Driver>
<LicenseNo>79</LicenseNo>
<FirstName>Thor</FirstName>
<LastName>Borg</LastName>
</Driver>
<Distance>2140</Distance>
<Scratched>false</Scratched>
<Ranking>6</Ranking>
</Start>
<Start>
<StartNo>3</StartNo>
<Horse>
<RegNo>N-02-0165 </RegNo>
<Name>Ådne Kongen</Name>
</Horse>
<Driver>
<LicenseNo>2014063</LicenseNo>
<FirstName>Oda</FirstName>
<LastName>Verdal</LastName>
</Driver>
<Distance>2140</Distance>
<Scratched>false</Scratched>
<Ranking>11</Ranking>
</Start>
<Start>
<StartNo>4</StartNo>
<Horse>
<RegNo>S-08-0191</RegNo>
<Name>Jærvsø Kristina</Name>
</Horse>
<Driver>
<LicenseNo>17044</LicenseNo>
<FirstName>Øystein</FirstName>
<LastName>Tjomsland</LastName>
</Driver>
<Distance>2160</Distance>
<Scratched>true</Scratched>
<Ranking>0</Ranking>
</Start>
<Start>
<StartNo>5</StartNo>
<Horse>
<RegNo>N-07-0107</RegNo>
<Name>Magnums Amadeus</Name>
</Horse>
<Driver>
<LicenseNo>5697</LicenseNo>
<FirstName>Arild</FirstName>
<LastName>Berås</LastName>
</Driver>
<Distance>2160</Distance>
<Scratched>false</Scratched>
<Ranking>5</Ranking>
</Start>
<Start>
<StartNo>6</StartNo>
<Horse>
<RegNo>578001020080549</RegNo>
<Name>Willblesen</Name>
</Horse>
<Driver>
<LicenseNo>30399</LicenseNo>
<FirstName>Rudolf</FirstName>
<LastName>Roland</LastName>
</Driver>
<Distance>2160</Distance>
<Scratched>false</Scratched>
<Ranking>3</Ranking>
</Start>
<Start>
<StartNo>7</StartNo>
<Horse>
<RegNo>N-05-0660</RegNo>
<Name>Lill Ronja</Name>
</Horse>
<Driver>
<LicenseNo>1537</LicenseNo>
<FirstName>Eirik</FirstName>
<LastName>Høitomt</LastName>
</Driver>
<Distance>2160</Distance>
<Scratched>false</Scratched>
<Ranking>1</Ranking>
</Start>
<Start>
<StartNo>8</StartNo>
<Horse>
<RegNo>N-04-0365</RegNo>
<Name>Per Even</Name>
</Horse>
<Driver>
<LicenseNo>65285</LicenseNo>
<FirstName>Vidar</FirstName>
<LastName>Tjomsland</LastName>
</Driver>
<Distance>2160</Distance>
<Scratched>false</Scratched>
<Ranking>7</Ranking>
</Start>
<Start>
<StartNo>9</StartNo>
<Horse>
<RegNo>N-05-0179</RegNo>
<Name>Ås Glimten</Name>
</Horse>
<Driver>
<LicenseNo>5040</LicenseNo>
<FirstName>Johan Herbjørn</FirstName>
<LastName>Undem</LastName>
</Driver>
<Distance>2160</Distance>
<Scratched>false</Scratched>
<Ranking>10</Ranking>
</Start>
<Start>
<StartNo>10</StartNo>
<Horse>
<RegNo>N-06-0047</RegNo>
<Name>Pola Linus</Name>
</Horse>
<Driver>
<LicenseNo>2127</LicenseNo>
<FirstName>Kristian</FirstName>
<LastName>Malmin</LastName>
</Driver>
<Distance>2180</Distance>
<Scratched>false</Scratched>
<Ranking>8</Ranking>
</Start>
<Start>
<StartNo>11</StartNo>
<Horse>
<RegNo>N-03-0261</RegNo>
<Name>Odintroll</Name>
</Horse>
<Driver>
<LicenseNo>8345</LicenseNo>
<FirstName>Ole Johan</FirstName>
<LastName>Østre</LastName>
</Driver>
<Distance>2180</Distance>
<Scratched>false</Scratched>
<Ranking>2</Ranking>
</Start>
<Start>
<StartNo>12</StartNo>
<Horse>
<RegNo>N-07-0209</RegNo>
<Name>Tallas</Name>
</Horse>
<Driver>
<LicenseNo>5740</LicenseNo>
<FirstName>Jan Rune</FirstName>
<LastName>Gaustad</LastName>
</Driver>
<Distance>2180</Distance>
<Scratched>false</Scratched>
<Ranking>4</Ranking>
</Start>
Best regards,
Trond Husø
System Developer
www.ntb.no
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