Oh I didn't answer your first question. Yes you use dfdl:choiceBranchKey="0
1" if you want either of those values to select that same branch.
On Thu, May 18, 2023 at 5:07 PM Mike Beckerle <mbecke...@apache.org> wrote:
> Here's the trick:
>
> dfdl:choiceDispatchKey='{ if (Continuation_Record_Number gt 1) then 2 else
> 1 }'
>
> Then you only have choice branches for 1 and for 2.
>
>
> On Thu, May 18, 2023 at 8:58 AM Roger L Costello <coste...@mitre.org>
> wrote:
>
>> I read one character from the input and use it to populate
>> Continuation_Record_Number:
>>
>> <xs:element name="Continuation_Record_Number" type="validString"
>> dfdl:lengthKind="explicit" dfdl:length="1" />
>>
>> If the value that was read is 0 or 1, then the remaining input contains
>> data for vhf_navaids. If the value is greater than 1, then the remaining
>> input contains data for vhf_navaids_continuation:
>>
>> <xs:choice dfdl:choiceDispatchKey='{Continuation_Record_Number}'>
>> <xs:sequence dfdl:choiceBranchKey="0 1">
>> <xs:group ref="vhf-navaids"/>
>> </xs:sequence>
>> <xs:sequence dfdl:choiceBranchKey="greater than 1">
>> <xs:group ref="vhf-navaids-continuation"/>
>> </xs:sequence>
>> </xs:choice>
>>
>> Two questions:
>>
>> 1. The specification says that the value of choiceBranchKey is a "List of
>> DFDL String Literals". Is the correct way to express the list 0, 1 like
>> this:
>>
>> dfdl:choiceBranchKey="0 1"
>>
>> 2. How to express this value for choiceBranchKey: any value greater than 1
>>
>>
>>
