Can I simplify this to some sort of logic so it scales better?

* Can I simplify this to some sort of logic so it scales better?
@ 2022-06-06 11:34 Gerben Wierda via ntg-context
  2022-06-06 12:18 ` Wolfgang Schuster via ntg-context
  0 siblings, 1 reply; 2+ messages in thread
From: Gerben Wierda via ntg-context @ 2022-06-06 11:34 UTC (permalink / raw)
  To: mailing list for ConTeXt users; +Cc: Gerben Wierda

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I have this:

\definemode[EN,FR,RU,PT][keep]
\doifmodeelse{EN}
  {
    \disablemode[FR]
    \disablemode[RU]
    \disablemode[PT]
  }
  {
    \doifmodeelse{FR}
    {
      \disablemode[EN]
      \disablemode[RU]
      \disablemode[PT]
    }
    {
      \doifmodeelse{RU}
      {
        \disablemode[EN]
        \disablemode[FR]
        \disablemode[PT]
      }
      {
        \doifmodeelse{PT}
        {
          \disablemode[EN]
          \disablemode[FR]
          \disablemode[RU]
        }
        {
          \enablemode[EN]
        }
      }
    }
  }

But for every language added this becomes more and more complex. I was wondering what would be a good approach to simplify it. 

I want to make sure that one and only one of these modes is active and that if no mode is entered on the command line the mode is EN.

Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>)
R&A IT Strategy <https://ea.rna.nl/> (main site)
Book: Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the-book/>
Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/>

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