XPath map functions are in a different namespace than other standard
functions. See https://www.w3.org/TR/xpath-functions-31/#map-functions
So, your XPath expression become : <xsl:value-of
select="json-to-xml(unparsed-text('json'))/map:map/map:string[@key='id']"/>
Best,
Christophe
Le 22/06/2020 à 07:12, Wolfhart Totschnig wolfhart(_dot_)totschnig(_at_)mail(_dot_)udp(_dot_)cl
a écrit :
Hello,
I am using the json-to-xml() function for the first time and cannot
get it to work. I was hoping that one of you could help me.
I have JSON data stored in a text file called "json". I can transform
this data into xml and insert it into my output document with
json-to-xml(unparsed-text('json'))
That works as expected. The xml data that is produced from the JSON
data and inserted into my output document looks like this (abbreviated):
<map xmlns="http://www.w3.org/2005/xpath-functions";>
<string
key="@context">http://lobid.org/resources/context.jsonld</string>
<string
key="id">http://lobid.org/resources/search?q=isbn:3-492-21746-X&format=json</string>
</map>
Now, what I really would like to add to my output is the value of
/map/string[@key='id'], that is,
"http://lobid.org/resources/search?q=isbn:3-492-21746-X&format=json";.
I thought that it would be as simple as this:
<xsl:value-of
select="json-to-xml(unparsed-text('json'))/map/string[@key='id']"/>
But this doesn't work. It does not produce any output. What am I
misunderstanding?
Thanks in advance for your help!
Wolfhart
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