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Home » Eclipse Projects » JFace » TextEdit code design decision(Restriction of overlapping children in an edit tree)
TextEdit code design decision [message #1773658] Mon, 02 October 2017 13:31
Gonzalo Ibars is currently offline Gonzalo IbarsFriend
Messages: 2
Registered: September 2017
Junior Member
I analyzed thoroughly the TextEdit class and its documentation provides as follows:


An edit tree is well formed in the following sense:

  • a parent edit covers all its children
  • children don't overlap
  • an edit with length 0 can't have any children

I couldn't find the design reason for not allowing overlapping children. The code only throws a MalformedTreeException if a child is tried to be inserted and overlaps with their potential siblings.

Any help of why it was decided like this is very much appreciated.
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