I have a tree where each node has a type. Multiple nodes can have the same type.

I want to insert new nodes in this tree at some specific positions specified by queries, such as :

  • Insert the node next to the lowest and left most child of type 1
  • Insert the node as child of root after the last child of root of type 2
  • etc..

Is there an existing query-like language that does that ?

I found this (used for biology), and this, which are usefull for selecting nodes, not inserting, and don't seem to be used a lot.


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