Hello,
I have a another question:
I have one sequence. In runtime I generate another one.
Now I need a relative complement of the first to the second (all the items
that are in 1st sequence, but are not in the second).
The first sequence for me is tags that I need to generate in the output. The
second sequence is tags that I have found data for in input, have processed
them and have generated tags to output. The relative complement is then the
set of tags of which data I did not encounter while processing input, thus I
need to generate them with some default values.
Is there some good way to do so? Should I be using some other structure
instead of sequences? (now I have a sequence of strings that represent XML
tags)
Or other way, is it possible to extract items from the sequence in runtime?
E.g. in a for-each loop? So that in the end that sequence will contain only
those tags that I did not find data for. The problem I have now is if I use
remove($list,index), then it returns a new list without that item. I cannot
change the original list itself, the only thing I can do now to remember
this newly generated list is to recursively call the same function again and
give it this new list as the parameter. However I see this as very
uneffective, since then the function will start the for-each loop again from
the first node and go through all the already processed data again...
The only way I have found to dynamically preserve in-loop generated data is
to <xsl:variable>
<xsl:for each>
<xsl:sequence> <--here I dynamically add data to that
variable
</for each>
</variable>
Thanks again for any advice,
Michael
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