Re: [xsl] Member function?

["Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

I would always use a map for this in XSLT 3.0, rather than a node tree; and
then use map:contains() to check if a value is present.

Michael Kay
Saxonica

> On 2 Aug 2022, at 15:50, Martin Honnen martin.honnen@xxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>
> Am 02.08.2022 um 16:10 schrieb Dave Pawson dave.pawson@xxxxxxxxx:
>> xpath 2 or 3
>>
>> I have a sort index
>> <d:sort_index name="my_sort">
>>     <d:entry key="Jan" index="0"/>
>>     <d:entry key="Feb" index="1"/>
>>     <d:entry key="Mar" index="2"/>
>>     <d:entry key="Apr" index="3"/>
>>     <d:entry key="May" index="4"/>
>>     <d:entry key="Jun" index="5"/>
>>     <d:entry key="Jul" index="6"/>
>>     <d:entry key="Aug" index="7"/>
>>     <d:entry key="Sep" index="8"/>
>>     <d:entry key="Oct" index="9"/>
>>     <d:entry key="Nov" index="10"/>
>>     <d:entry key="Dec" index="11"/>
>>
>>   </d:sort_index>
>>
>>   <xsl:variable name="sort_index" select="document('')//d:sort_index"/>
>
>
> Given that you say XPath 2 or 3 I assume XSLT 2 or 3 so I would prefer a
> variable or parameter e.g.
>
>
> <xsl:variable name="sort-index">
>
>    <d:entry key="Jan" index="0"/>
>    <d:entry key="Feb" index="1"/>
>    <d:entry key="Mar" index="2"/>
>    <d:entry key="Apr" index="3"/>
>    <d:entry key="May" index="4"/>
>    <d:entry key="Jun" index="5"/>
>    <d:entry key="Jul" index="6"/>
>    <d:entry key="Aug" index="7"/>
>    <d:entry key="Sep" index="8"/>
>    <d:entry key="Oct" index="9"/>
>    <d:entry key="Nov" index="10"/>
>    <d:entry key="Dec" index="11"/>
>
> </xsl:variable>
>
> and then a key
>
> <xsl:key name="sort-index" match="d:entry" use="@key"/>
>
>
> and then a check on
>
>    key('sort-index', tokenize(d, ' '), $sort-index)
>
> or
>
>   key('sort-index', tokenize(d, '')[1], $sort-index)
>
>> and xml with many
>>
>> <book>
>>       <author>
>>         <f>H</f>
>>         <s>Stone</s>
>>       </author>
>>       <t>Jane Doe</t>
>>       <d>Jul 2018</d>
>>     </book>
>>
>> I want to check that the d element (month) has an entry in the sort
>> index using xsl:for-each over //book/d
>>
>> Suggestions please?
>>
>> TiA